| <!-- HTML header for doxygen 1.8.9.1--> |
| <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> |
| <html xmlns="http://www.w3.org/1999/xhtml"> |
| <head> |
| <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> |
| <meta http-equiv="X-UA-Compatible" content="IE=9"/> |
| <meta name="generator" content="Doxygen 1.8.6"/> |
| <meta name="robots" content="NOINDEX, NOFOLLOW" /> <!-- Prevent indexing by search engines --> |
| <title>Compute Library: src/core/CL/cl_kernels/non_linear_filter3x3.cl File Reference</title> |
| <link href="tabs.css" rel="stylesheet" type="text/css"/> |
| <script type="text/javascript" src="jquery.js"></script> |
| <script type="text/javascript" src="dynsections.js"></script> |
| <link href="navtree.css" rel="stylesheet" type="text/css"/> |
| <script type="text/javascript" src="resize.js"></script> |
| <script type="text/javascript" src="navtree.js"></script> |
| <script type="text/javascript"> |
| $(document).ready(initResizable); |
| $(window).load(resizeHeight); |
| </script> |
| <link href="search/search.css" rel="stylesheet" type="text/css"/> |
| <script type="text/javascript" src="search/search.js"></script> |
| <script type="text/javascript"> |
| $(document).ready(function() { searchBox.OnSelectItem(0); }); |
| </script> |
| <script type="text/x-mathjax-config"> |
| MathJax.Hub.Config({ |
| extensions: ["tex2jax.js"], |
| jax: ["input/TeX","output/HTML-CSS"], |
| }); |
| </script><script src="http://cdn.mathjax.org/mathjax/latest/MathJax.js"></script> |
| <link href="doxygen.css" rel="stylesheet" type="text/css" /> |
| </head> |
| <body> |
| <div id="top"><!-- do not remove this div, it is closed by doxygen! --> |
| <div id="titlearea"> |
| <table cellspacing="0" cellpadding="0"> |
| <tbody> |
| <tr style="height: 56px;"> |
| <td style="padding-left: 0.5em;"> |
| <div id="projectname">Compute Library |
|  <span id="projectnumber">17.10</span> |
| </div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| </div> |
| <!-- end header part --> |
| <!-- Generated by Doxygen 1.8.6 --> |
| <script type="text/javascript"> |
| var searchBox = new SearchBox("searchBox", "search",false,'Search'); |
| </script> |
| <div id="navrow1" class="tabs"> |
| <ul class="tablist"> |
| <li><a href="index.xhtml"><span>Main Page</span></a></li> |
| <li><a href="pages.xhtml"><span>Related Pages</span></a></li> |
| <li><a href="namespaces.xhtml"><span>Namespaces</span></a></li> |
| <li><a href="annotated.xhtml"><span>Data Structures</span></a></li> |
| <li class="current"><a href="files.xhtml"><span>Files</span></a></li> |
| <li> |
| <div id="MSearchBox" class="MSearchBoxInactive"> |
| <span class="left"> |
| <img id="MSearchSelect" src="search/mag_sel.png" |
| onmouseover="return searchBox.OnSearchSelectShow()" |
| onmouseout="return searchBox.OnSearchSelectHide()" |
| alt=""/> |
| <input type="text" id="MSearchField" value="Search" accesskey="S" |
| onfocus="searchBox.OnSearchFieldFocus(true)" |
| onblur="searchBox.OnSearchFieldFocus(false)" |
| onkeyup="searchBox.OnSearchFieldChange(event)"/> |
| </span><span class="right"> |
| <a id="MSearchClose" href="javascript:searchBox.CloseResultsWindow()"><img id="MSearchCloseImg" border="0" src="search/close.png" alt=""/></a> |
| </span> |
| </div> |
| </li> |
| </ul> |
| </div> |
| <div id="navrow2" class="tabs2"> |
| <ul class="tablist"> |
| <li><a href="files.xhtml"><span>File List</span></a></li> |
| <li><a href="globals.xhtml"><span>Globals</span></a></li> |
| </ul> |
| </div> |
| </div><!-- top --> |
| <div id="side-nav" class="ui-resizable side-nav-resizable"> |
| <div id="nav-tree"> |
| <div id="nav-tree-contents"> |
| <div id="nav-sync" class="sync"></div> |
| </div> |
| </div> |
| <div id="splitbar" style="-moz-user-select:none;" |
| class="ui-resizable-handle"> |
| </div> |
| </div> |
| <script type="text/javascript"> |
| $(document).ready(function(){initNavTree('non__linear__filter3x3_8cl.xhtml','');}); |
| </script> |
| <div id="doc-content"> |
| <!-- window showing the filter options --> |
| <div id="MSearchSelectWindow" |
| onmouseover="return searchBox.OnSearchSelectShow()" |
| onmouseout="return searchBox.OnSearchSelectHide()" |
| onkeydown="return searchBox.OnSearchSelectKey(event)"> |
| <a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(0)"><span class="SelectionMark"> </span>All</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(1)"><span class="SelectionMark"> </span>Data Structures</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(2)"><span class="SelectionMark"> </span>Namespaces</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(3)"><span class="SelectionMark"> </span>Files</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(4)"><span class="SelectionMark"> </span>Functions</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(5)"><span class="SelectionMark"> </span>Variables</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(6)"><span class="SelectionMark"> </span>Typedefs</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(7)"><span class="SelectionMark"> </span>Enumerations</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(8)"><span class="SelectionMark"> </span>Enumerator</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(9)"><span class="SelectionMark"> </span>Friends</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(10)"><span class="SelectionMark"> </span>Macros</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(11)"><span class="SelectionMark"> </span>Pages</a></div> |
| |
| <!-- iframe showing the search results (closed by default) --> |
| <div id="MSearchResultsWindow"> |
| <iframe src="javascript:void(0)" frameborder="0" |
| name="MSearchResults" id="MSearchResults"> |
| </iframe> |
| </div> |
| |
| <div class="header"> |
| <div class="summary"> |
| <a href="#func-members">Functions</a> </div> |
| <div class="headertitle"> |
| <div class="title">non_linear_filter3x3.cl File Reference</div> </div> |
| </div><!--header--> |
| <div class="contents"> |
| <div class="textblock"><code>#include "<a class="el" href="helpers_8h_source.xhtml">helpers.h</a>"</code><br/> |
| <code>#include "<a class="el" href="non__linear__filter__helpers_8h_source.xhtml">non_linear_filter_helpers.h</a>"</code><br/> |
| </div> |
| <p><a href="non__linear__filter3x3_8cl_source.xhtml">Go to the source code of this file.</a></p> |
| <table class="memberdecls"> |
| <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a> |
| Functions</h2></td></tr> |
| <tr class="memitem:ac1fc5f0f6bac8d062852df0530d3c0cb"><td class="memItemLeft" align="right" valign="top">__kernel void </td><td class="memItemRight" valign="bottom"><a class="el" href="non__linear__filter3x3_8cl.xhtml#ac1fc5f0f6bac8d062852df0530d3c0cb">non_linear_filter_box3x3</a> (__global uchar *src_ptr, uint src_stride_x, uint src_step_x, uint src_stride_y, uint src_step_y, uint src_offset_first_element_in_bytes, __global uchar *dst_ptr, uint dst_stride_x, uint dst_step_x, uint dst_stride_y, uint dst_step_y, uint dst_offset_first_element_in_bytes)</td></tr> |
| <tr class="memdesc:ac1fc5f0f6bac8d062852df0530d3c0cb"><td class="mdescLeft"> </td><td class="mdescRight">This function applies a non linear filter on a 3x3 box basis on an input image. <a href="#ac1fc5f0f6bac8d062852df0530d3c0cb">More...</a><br/></td></tr> |
| <tr class="separator:ac1fc5f0f6bac8d062852df0530d3c0cb"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a69c356d968b2ecefbf2aa06e0ac83e28"><td class="memItemLeft" align="right" valign="top">__kernel void </td><td class="memItemRight" valign="bottom"><a class="el" href="non__linear__filter3x3_8cl.xhtml#a69c356d968b2ecefbf2aa06e0ac83e28">non_linear_filter_cross3x3</a> (__global uchar *src_ptr, uint src_stride_x, uint src_step_x, uint src_stride_y, uint src_step_y, uint src_offset_first_element_in_bytes, __global uchar *dst_ptr, uint dst_stride_x, uint dst_step_x, uint dst_stride_y, uint dst_step_y, uint dst_offset_first_element_in_bytes)</td></tr> |
| <tr class="memdesc:a69c356d968b2ecefbf2aa06e0ac83e28"><td class="mdescLeft"> </td><td class="mdescRight">This function applies a non linear filter on a 3x3 cross basis on an input image. <a href="#a69c356d968b2ecefbf2aa06e0ac83e28">More...</a><br/></td></tr> |
| <tr class="separator:a69c356d968b2ecefbf2aa06e0ac83e28"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a37f5aa2a4245f4b6b925640f73a77fdb"><td class="memItemLeft" align="right" valign="top">__kernel void </td><td class="memItemRight" valign="bottom"><a class="el" href="non__linear__filter3x3_8cl.xhtml#a37f5aa2a4245f4b6b925640f73a77fdb">non_linear_filter_disk3x3</a> (__global uchar *src_ptr, uint src_stride_x, uint src_step_x, uint src_stride_y, uint src_step_y, uint src_offset_first_element_in_bytes, __global uchar *dst_ptr, uint dst_stride_x, uint dst_step_x, uint dst_stride_y, uint dst_step_y, uint dst_offset_first_element_in_bytes)</td></tr> |
| <tr class="memdesc:a37f5aa2a4245f4b6b925640f73a77fdb"><td class="mdescLeft"> </td><td class="mdescRight">This function applies a non linear filter on a 3x3 disk basis on an input image. <a href="#a37f5aa2a4245f4b6b925640f73a77fdb">More...</a><br/></td></tr> |
| <tr class="separator:a37f5aa2a4245f4b6b925640f73a77fdb"><td class="memSeparator" colspan="2"> </td></tr> |
| </table> |
| <h2 class="groupheader">Function Documentation</h2> |
| <a class="anchor" id="ac1fc5f0f6bac8d062852df0530d3c0cb"></a> |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">__kernel void non_linear_filter_box3x3 </td> |
| <td>(</td> |
| <td class="paramtype">__global uchar * </td> |
| <td class="paramname"><em>src_ptr</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">uint </td> |
| <td class="paramname"><em>src_stride_x</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">uint </td> |
| <td class="paramname"><em>src_step_x</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">uint </td> |
| <td class="paramname"><em>src_stride_y</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">uint </td> |
| <td class="paramname"><em>src_step_y</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">uint </td> |
| <td class="paramname"><em>src_offset_first_element_in_bytes</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">__global uchar * </td> |
| <td class="paramname"><em>dst_ptr</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">uint </td> |
| <td class="paramname"><em>dst_stride_x</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">uint </td> |
| <td class="paramname"><em>dst_step_x</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">uint </td> |
| <td class="paramname"><em>dst_stride_y</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">uint </td> |
| <td class="paramname"><em>dst_step_y</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">uint </td> |
| <td class="paramname"><em>dst_offset_first_element_in_bytes</em> </td> |
| </tr> |
| <tr> |
| <td></td> |
| <td>)</td> |
| <td></td><td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| |
| <p>This function applies a non linear filter on a 3x3 box basis on an input image. </p> |
| <dl class="section note"><dt>Note</dt><dd>The needed filter operation is defined through the preprocessor by passing either -DMIN, -DMAX or -DMEDIAN.</dd></dl> |
| <dl class="params"><dt>Parameters</dt><dd> |
| <table class="params"> |
| <tr><td class="paramdir">[in]</td><td class="paramname">src_ptr</td><td>Pointer to the source image. Supported data types: U8 </td></tr> |
| <tr><td class="paramdir">[in]</td><td class="paramname">src_stride_x</td><td>Stride of the source image in X dimension (in bytes) </td></tr> |
| <tr><td class="paramdir">[in]</td><td class="paramname">src_step_x</td><td>src_stride_x * number of elements along X processed per workitem(in bytes) </td></tr> |
| <tr><td class="paramdir">[in]</td><td class="paramname">src_stride_y</td><td>Stride of the source image in Y dimension (in bytes) </td></tr> |
| <tr><td class="paramdir">[in]</td><td class="paramname">src_step_y</td><td>src_stride_y * number of elements along Y processed per workitem(in bytes) </td></tr> |
| <tr><td class="paramdir">[in]</td><td class="paramname">src_offset_first_element_in_bytes</td><td>The offset of the first element in the source image </td></tr> |
| <tr><td class="paramdir">[out]</td><td class="paramname">dst_ptr</td><td>Pointer to the destination image. Supported data types: U8 </td></tr> |
| <tr><td class="paramdir">[in]</td><td class="paramname">dst_stride_x</td><td>Stride of the destination image in X dimension (in bytes) </td></tr> |
| <tr><td class="paramdir">[in]</td><td class="paramname">dst_step_x</td><td>dst_stride_x * number of elements along X processed per workitem(in bytes) </td></tr> |
| <tr><td class="paramdir">[in]</td><td class="paramname">dst_stride_y</td><td>Stride of the destination image in Y dimension (in bytes) </td></tr> |
| <tr><td class="paramdir">[in]</td><td class="paramname">dst_step_y</td><td>dst_stride_y * number of elements along Y processed per workitem(in bytes) </td></tr> |
| <tr><td class="paramdir">[in]</td><td class="paramname">dst_offset_first_element_in_bytes</td><td>The offset of the first element in the destination image </td></tr> |
| </table> |
| </dd> |
| </dl> |
| |
| <p>Definition at line <a class="el" href="non__linear__filter3x3_8cl_source.xhtml#l00044">44</a> of file <a class="el" href="non__linear__filter3x3_8cl_source.xhtml">non_linear_filter3x3.cl</a>.</p> |
| |
| <p>References <a class="el" href="helpers_8h_source.xhtml#l00096">CONVERT_TO_IMAGE_STRUCT</a>, <a class="el" href="tests_2validation_2_fixed_point_8h_source.xhtml#l00889">arm_compute::test::fixed_point_arithmetic::detail::max()</a>, <a class="el" href="tests_2validation_2_fixed_point_8h_source.xhtml#l00884">arm_compute::test::fixed_point_arithmetic::detail::min()</a>, <a class="el" href="helpers_8h_source.xhtml#l00295">offset()</a>, <a class="el" href="helpers_8h_source.xhtml#l00136">Image::ptr</a>, <a class="el" href="non__linear__filter__helpers_8h_source.xhtml#l00120">row_reduce_max_3()</a>, <a class="el" href="non__linear__filter__helpers_8h_source.xhtml#l00109">row_reduce_min_3()</a>, and <a class="el" href="non__linear__filter__helpers_8h_source.xhtml#l00078">sort9()</a>.</p> |
| <div class="fragment"><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> {</div> |
| <div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <a class="code" href="struct_image.xhtml">Image</a> src = <a class="code" href="helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a>(src);</div> |
| <div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <a class="code" href="struct_image.xhtml">Image</a> dst = <a class="code" href="helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a>(dst);</div> |
| <div class="line"><a name="l00050"></a><span class="lineno"> 50</span> </div> |
| <div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="comment">// Load values</span></div> |
| <div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  uchar16 top = vload16(0, <a class="code" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(&src, -1, -1));</div> |
| <div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  uchar16 middle = vload16(0, <a class="code" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(&src, -1, 0));</div> |
| <div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  uchar16 bottom = vload16(0, <a class="code" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(&src, -1, 1));</div> |
| <div class="line"><a name="l00055"></a><span class="lineno"> 55</span> </div> |
| <div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="comment">// Apply respective filter</span></div> |
| <div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="preprocessor">#ifdef MIN</span></div> |
| <div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="preprocessor"></span> uchar16 tmp = <a class="code" href="namespacearm__compute_1_1test_1_1fixed__point__arithmetic_1_1detail.xhtml#aabcf39e3917f842dbc5fbb0d802f24d5">min</a>(top, <a class="code" href="namespacearm__compute_1_1test_1_1fixed__point__arithmetic_1_1detail.xhtml#aabcf39e3917f842dbc5fbb0d802f24d5">min</a>(middle, bottom));</div> |
| <div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  uchar8 out = <a class="code" href="non__linear__filter__helpers_8h.xhtml#ae3e09114bb887de4e20122eed42671a1">row_reduce_min_3</a>(tmp);</div> |
| <div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="preprocessor">#elif defined(MAX)</span></div> |
| <div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="preprocessor"></span> uchar16 tmp = <a class="code" href="namespacearm__compute_1_1test_1_1fixed__point__arithmetic_1_1detail.xhtml#ad91bb73431b4de1f4946ed949d444849">max</a>(top, <a class="code" href="namespacearm__compute_1_1test_1_1fixed__point__arithmetic_1_1detail.xhtml#ad91bb73431b4de1f4946ed949d444849">max</a>(middle, bottom));</div> |
| <div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  uchar8 out = <a class="code" href="non__linear__filter__helpers_8h.xhtml#a3138dafa8474a59f73dd837073f18ed7">row_reduce_max_3</a>(tmp);</div> |
| <div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="preprocessor">#elif defined(MEDIAN)</span></div> |
| <div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="preprocessor"></span> uchar8 p0 = top.s01234567;</div> |
| <div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  uchar8 p1 = top.s12345678;</div> |
| <div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  uchar8 p2 = top.s23456789;</div> |
| <div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  uchar8 p3 = middle.s01234567;</div> |
| <div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  uchar8 p4 = middle.s12345678;</div> |
| <div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  uchar8 p5 = middle.s23456789;</div> |
| <div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  uchar8 p6 = bottom.s01234567;</div> |
| <div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  uchar8 p7 = bottom.s12345678;</div> |
| <div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  uchar8 p8 = bottom.s23456789;</div> |
| <div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  uchar8 out = <a class="code" href="non__linear__filter__helpers_8h.xhtml#a0960df49e39a9499677066c32600c17f">sort9</a>(p0, p1, p2, p3, p4, p5, p6, p7, p8);</div> |
| <div class="line"><a name="l00074"></a><span class="lineno"> 74</span> <span class="preprocessor">#else </span><span class="comment">/* MIN or MAX or MEDIAN */</span><span class="preprocessor"></span></div> |
| <div class="line"><a name="l00075"></a><span class="lineno"> 75</span> <span class="preprocessor"></span><span class="preprocessor">#error "Unsupported filter function"</span></div> |
| <div class="line"><a name="l00076"></a><span class="lineno"> 76</span> <span class="preprocessor"></span><span class="preprocessor">#endif </span><span class="comment">/* MIN or MAX or MEDIAN */</span><span class="preprocessor"></span></div> |
| <div class="line"><a name="l00077"></a><span class="lineno"> 77</span> <span class="preprocessor"></span></div> |
| <div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="comment">// Store result</span></div> |
| <div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  vstore8(out, 0, dst.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>);</div> |
| <div class="line"><a name="l00080"></a><span class="lineno"> 80</span> }</div> |
| <div class="ttc" id="namespacearm__compute_1_1test_1_1fixed__point__arithmetic_1_1detail_xhtml_aabcf39e3917f842dbc5fbb0d802f24d5"><div class="ttname"><a href="namespacearm__compute_1_1test_1_1fixed__point__arithmetic_1_1detail.xhtml#aabcf39e3917f842dbc5fbb0d802f24d5">arm_compute::test::fixed_point_arithmetic::detail::min</a></div><div class="ttdeci">fixed_point< T > min(fixed_point< T > x, fixed_point< T > y)</div><div class="ttdef"><b>Definition:</b> <a href="tests_2validation_2_fixed_point_8h_source.xhtml#l00884">FixedPoint.h:884</a></div></div> |
| <div class="ttc" id="helpers_8h_xhtml_a009469e4d9b8fce3b6d5e97d2077827d"><div class="ttname"><a href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a></div><div class="ttdeci">__global uchar * offset(const Image *img, int x, int y)</div><div class="ttdoc">Get the pointer position of a Image. </div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00295">helpers.h:295</a></div></div> |
| <div class="ttc" id="helpers_8h_xhtml_aebe814363556c244be043b13e7969197"><div class="ttname"><a href="helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a></div><div class="ttdeci">#define CONVERT_TO_IMAGE_STRUCT(name)</div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00096">helpers.h:96</a></div></div> |
| <div class="ttc" id="non__linear__filter__helpers_8h_xhtml_a3138dafa8474a59f73dd837073f18ed7"><div class="ttname"><a href="non__linear__filter__helpers_8h.xhtml#a3138dafa8474a59f73dd837073f18ed7">row_reduce_max_3</a></div><div class="ttdeci">uchar8 row_reduce_max_3(uchar16 val)</div><div class="ttdoc">Calculate the maximum of a sliding window of size 3. </div><div class="ttdef"><b>Definition:</b> <a href="non__linear__filter__helpers_8h_source.xhtml#l00120">non_linear_filter_helpers.h:120</a></div></div> |
| <div class="ttc" id="struct_image_xhtml"><div class="ttname"><a href="struct_image.xhtml">Image</a></div><div class="ttdoc">Structure to hold Image information. </div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00134">helpers.h:134</a></div></div> |
| <div class="ttc" id="struct_image_xhtml_acf52c23cbd7424606c10a606524e3e32"><div class="ttname"><a href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">Image::ptr</a></div><div class="ttdeci">__global uchar * ptr</div><div class="ttdoc">Pointer to the starting postion of the buffer. </div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00136">helpers.h:136</a></div></div> |
| <div class="ttc" id="non__linear__filter__helpers_8h_xhtml_a0960df49e39a9499677066c32600c17f"><div class="ttname"><a href="non__linear__filter__helpers_8h.xhtml#a0960df49e39a9499677066c32600c17f">sort9</a></div><div class="ttdeci">uchar8 sort9(uchar8 p0, uchar8 p1, uchar8 p2, uchar8 p3, uchar8 p4, uchar8 p5, uchar8 p6, uchar8 p7, uchar8 p8)</div><div class="ttdoc">Sorting network to sort 9 vectors of 8 elements and return their median. </div><div class="ttdef"><b>Definition:</b> <a href="non__linear__filter__helpers_8h_source.xhtml#l00078">non_linear_filter_helpers.h:78</a></div></div> |
| <div class="ttc" id="namespacearm__compute_1_1test_1_1fixed__point__arithmetic_1_1detail_xhtml_ad91bb73431b4de1f4946ed949d444849"><div class="ttname"><a href="namespacearm__compute_1_1test_1_1fixed__point__arithmetic_1_1detail.xhtml#ad91bb73431b4de1f4946ed949d444849">arm_compute::test::fixed_point_arithmetic::detail::max</a></div><div class="ttdeci">fixed_point< T > max(fixed_point< T > x, fixed_point< T > y)</div><div class="ttdef"><b>Definition:</b> <a href="tests_2validation_2_fixed_point_8h_source.xhtml#l00889">FixedPoint.h:889</a></div></div> |
| <div class="ttc" id="non__linear__filter__helpers_8h_xhtml_ae3e09114bb887de4e20122eed42671a1"><div class="ttname"><a href="non__linear__filter__helpers_8h.xhtml#ae3e09114bb887de4e20122eed42671a1">row_reduce_min_3</a></div><div class="ttdeci">uchar8 row_reduce_min_3(uchar16 val)</div><div class="ttdoc">Calculate the minimum of a sliding window of size 3. </div><div class="ttdef"><b>Definition:</b> <a href="non__linear__filter__helpers_8h_source.xhtml#l00109">non_linear_filter_helpers.h:109</a></div></div> |
| </div><!-- fragment --> |
| </div> |
| </div> |
| <a class="anchor" id="a69c356d968b2ecefbf2aa06e0ac83e28"></a> |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">__kernel void non_linear_filter_cross3x3 </td> |
| <td>(</td> |
| <td class="paramtype">__global uchar * </td> |
| <td class="paramname"><em>src_ptr</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">uint </td> |
| <td class="paramname"><em>src_stride_x</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">uint </td> |
| <td class="paramname"><em>src_step_x</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">uint </td> |
| <td class="paramname"><em>src_stride_y</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">uint </td> |
| <td class="paramname"><em>src_step_y</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">uint </td> |
| <td class="paramname"><em>src_offset_first_element_in_bytes</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">__global uchar * </td> |
| <td class="paramname"><em>dst_ptr</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">uint </td> |
| <td class="paramname"><em>dst_stride_x</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">uint </td> |
| <td class="paramname"><em>dst_step_x</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">uint </td> |
| <td class="paramname"><em>dst_stride_y</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">uint </td> |
| <td class="paramname"><em>dst_step_y</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">uint </td> |
| <td class="paramname"><em>dst_offset_first_element_in_bytes</em> </td> |
| </tr> |
| <tr> |
| <td></td> |
| <td>)</td> |
| <td></td><td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| |
| <p>This function applies a non linear filter on a 3x3 cross basis on an input image. </p> |
| <dl class="section note"><dt>Note</dt><dd>The needed filter operation is defined through the preprocessor by passing either -DMIN, -DMAX or -DMEDIAN.</dd></dl> |
| <dl class="params"><dt>Parameters</dt><dd> |
| <table class="params"> |
| <tr><td class="paramdir">[in]</td><td class="paramname">src_ptr</td><td>Pointer to the source image. Supported data types: U8 </td></tr> |
| <tr><td class="paramdir">[in]</td><td class="paramname">src_stride_x</td><td>Stride of the source image in X dimension (in bytes) </td></tr> |
| <tr><td class="paramdir">[in]</td><td class="paramname">src_step_x</td><td>src_stride_x * number of elements along X processed per workitem(in bytes) </td></tr> |
| <tr><td class="paramdir">[in]</td><td class="paramname">src_stride_y</td><td>Stride of the source image in Y dimension (in bytes) </td></tr> |
| <tr><td class="paramdir">[in]</td><td class="paramname">src_step_y</td><td>src_stride_y * number of elements along Y processed per workitem(in bytes) </td></tr> |
| <tr><td class="paramdir">[in]</td><td class="paramname">src_offset_first_element_in_bytes</td><td>The offset of the first element in the source image </td></tr> |
| <tr><td class="paramdir">[out]</td><td class="paramname">dst_ptr</td><td>Pointer to the destination image. Supported data types: U8 </td></tr> |
| <tr><td class="paramdir">[in]</td><td class="paramname">dst_stride_x</td><td>Stride of the destination image in X dimension (in bytes) </td></tr> |
| <tr><td class="paramdir">[in]</td><td class="paramname">dst_step_x</td><td>dst_stride_x * number of elements along X processed per workitem(in bytes) </td></tr> |
| <tr><td class="paramdir">[in]</td><td class="paramname">dst_stride_y</td><td>Stride of the destination image in Y dimension (in bytes) </td></tr> |
| <tr><td class="paramdir">[in]</td><td class="paramname">dst_step_y</td><td>dst_stride_y * number of elements along Y processed per workitem(in bytes) </td></tr> |
| <tr><td class="paramdir">[in]</td><td class="paramname">dst_offset_first_element_in_bytes</td><td>The offset of the first element in the destination image </td></tr> |
| </table> |
| </dd> |
| </dl> |
| |
| <p>Definition at line <a class="el" href="non__linear__filter3x3_8cl_source.xhtml#l00099">99</a> of file <a class="el" href="non__linear__filter3x3_8cl_source.xhtml">non_linear_filter3x3.cl</a>.</p> |
| |
| <p>References <a class="el" href="helpers_8h_source.xhtml#l00096">CONVERT_TO_IMAGE_STRUCT</a>, <a class="el" href="tests_2validation_2_fixed_point_8h_source.xhtml#l00889">arm_compute::test::fixed_point_arithmetic::detail::max()</a>, <a class="el" href="tests_2validation_2_fixed_point_8h_source.xhtml#l00884">arm_compute::test::fixed_point_arithmetic::detail::min()</a>, <a class="el" href="helpers_8h_source.xhtml#l00295">offset()</a>, <a class="el" href="helpers_8h_source.xhtml#l00136">Image::ptr</a>, <a class="el" href="non__linear__filter__helpers_8h_source.xhtml#l00120">row_reduce_max_3()</a>, <a class="el" href="non__linear__filter__helpers_8h_source.xhtml#l00109">row_reduce_min_3()</a>, and <a class="el" href="non__linear__filter__helpers_8h_source.xhtml#l00050">sort5()</a>.</p> |
| <div class="fragment"><div class="line"><a name="l00102"></a><span class="lineno"> 102</span> {</div> |
| <div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <a class="code" href="struct_image.xhtml">Image</a> src = <a class="code" href="helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a>(src);</div> |
| <div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <a class="code" href="struct_image.xhtml">Image</a> dst = <a class="code" href="helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a>(dst);</div> |
| <div class="line"><a name="l00105"></a><span class="lineno"> 105</span> </div> |
| <div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="comment">// Load values</span></div> |
| <div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  uchar8 top = vload8(0, <a class="code" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(&src, 0, -1));</div> |
| <div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  uchar16 middle = vload16(0, <a class="code" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(&src, -1, 0));</div> |
| <div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  uchar8 bottom = vload8(0, <a class="code" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(&src, 0, 1));</div> |
| <div class="line"><a name="l00110"></a><span class="lineno"> 110</span> </div> |
| <div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="comment">// Apply respective filter</span></div> |
| <div class="line"><a name="l00112"></a><span class="lineno"> 112</span> <span class="preprocessor">#ifdef MIN</span></div> |
| <div class="line"><a name="l00113"></a><span class="lineno"> 113</span> <span class="preprocessor"></span> uchar8 tmp_middle = <a class="code" href="non__linear__filter__helpers_8h.xhtml#ae3e09114bb887de4e20122eed42671a1">row_reduce_min_3</a>(middle);</div> |
| <div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  uchar8 out = <a class="code" href="namespacearm__compute_1_1test_1_1fixed__point__arithmetic_1_1detail.xhtml#aabcf39e3917f842dbc5fbb0d802f24d5">min</a>(tmp_middle, <a class="code" href="namespacearm__compute_1_1test_1_1fixed__point__arithmetic_1_1detail.xhtml#aabcf39e3917f842dbc5fbb0d802f24d5">min</a>(top, bottom));</div> |
| <div class="line"><a name="l00115"></a><span class="lineno"> 115</span> <span class="preprocessor">#elif defined(MAX)</span></div> |
| <div class="line"><a name="l00116"></a><span class="lineno"> 116</span> <span class="preprocessor"></span> uchar8 tmp_middle = <a class="code" href="non__linear__filter__helpers_8h.xhtml#a3138dafa8474a59f73dd837073f18ed7">row_reduce_max_3</a>(middle);</div> |
| <div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  uchar8 out = <a class="code" href="namespacearm__compute_1_1test_1_1fixed__point__arithmetic_1_1detail.xhtml#ad91bb73431b4de1f4946ed949d444849">max</a>(tmp_middle, <a class="code" href="namespacearm__compute_1_1test_1_1fixed__point__arithmetic_1_1detail.xhtml#ad91bb73431b4de1f4946ed949d444849">max</a>(top, bottom));</div> |
| <div class="line"><a name="l00118"></a><span class="lineno"> 118</span> <span class="preprocessor">#elif defined(MEDIAN)</span></div> |
| <div class="line"><a name="l00119"></a><span class="lineno"> 119</span> <span class="preprocessor"></span> uchar8 p0 = top.s01234567;</div> |
| <div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  uchar8 p1 = middle.s01234567;</div> |
| <div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  uchar8 p2 = middle.s12345678;</div> |
| <div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  uchar8 p3 = middle.s23456789;</div> |
| <div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  uchar8 p4 = bottom.s01234567;</div> |
| <div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  uchar8 out = <a class="code" href="non__linear__filter__helpers_8h.xhtml#a7b5c174de888c3cfa7c08c16682fd770">sort5</a>(p0, p1, p2, p3, p4);</div> |
| <div class="line"><a name="l00125"></a><span class="lineno"> 125</span> <span class="preprocessor">#else </span><span class="comment">/* MIN or MAX or MEDIAN */</span><span class="preprocessor"></span></div> |
| <div class="line"><a name="l00126"></a><span class="lineno"> 126</span> <span class="preprocessor"></span><span class="preprocessor">#error "Unsupported filter function"</span></div> |
| <div class="line"><a name="l00127"></a><span class="lineno"> 127</span> <span class="preprocessor"></span><span class="preprocessor">#endif </span><span class="comment">/* MIN or MAX or MEDIAN */</span><span class="preprocessor"></span></div> |
| <div class="line"><a name="l00128"></a><span class="lineno"> 128</span> <span class="preprocessor"></span></div> |
| <div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="comment">// Store result</span></div> |
| <div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  vstore8(out, 0, dst.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>);</div> |
| <div class="line"><a name="l00131"></a><span class="lineno"> 131</span> }</div> |
| <div class="ttc" id="namespacearm__compute_1_1test_1_1fixed__point__arithmetic_1_1detail_xhtml_aabcf39e3917f842dbc5fbb0d802f24d5"><div class="ttname"><a href="namespacearm__compute_1_1test_1_1fixed__point__arithmetic_1_1detail.xhtml#aabcf39e3917f842dbc5fbb0d802f24d5">arm_compute::test::fixed_point_arithmetic::detail::min</a></div><div class="ttdeci">fixed_point< T > min(fixed_point< T > x, fixed_point< T > y)</div><div class="ttdef"><b>Definition:</b> <a href="tests_2validation_2_fixed_point_8h_source.xhtml#l00884">FixedPoint.h:884</a></div></div> |
| <div class="ttc" id="helpers_8h_xhtml_a009469e4d9b8fce3b6d5e97d2077827d"><div class="ttname"><a href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a></div><div class="ttdeci">__global uchar * offset(const Image *img, int x, int y)</div><div class="ttdoc">Get the pointer position of a Image. </div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00295">helpers.h:295</a></div></div> |
| <div class="ttc" id="non__linear__filter__helpers_8h_xhtml_a7b5c174de888c3cfa7c08c16682fd770"><div class="ttname"><a href="non__linear__filter__helpers_8h.xhtml#a7b5c174de888c3cfa7c08c16682fd770">sort5</a></div><div class="ttdeci">uchar8 sort5(uchar8 p0, uchar8 p1, uchar8 p2, uchar8 p3, uchar8 p4)</div><div class="ttdoc">Sorting network to sort 5 vectors of 8 elements and return their median. </div><div class="ttdef"><b>Definition:</b> <a href="non__linear__filter__helpers_8h_source.xhtml#l00050">non_linear_filter_helpers.h:50</a></div></div> |
| <div class="ttc" id="helpers_8h_xhtml_aebe814363556c244be043b13e7969197"><div class="ttname"><a href="helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a></div><div class="ttdeci">#define CONVERT_TO_IMAGE_STRUCT(name)</div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00096">helpers.h:96</a></div></div> |
| <div class="ttc" id="non__linear__filter__helpers_8h_xhtml_a3138dafa8474a59f73dd837073f18ed7"><div class="ttname"><a href="non__linear__filter__helpers_8h.xhtml#a3138dafa8474a59f73dd837073f18ed7">row_reduce_max_3</a></div><div class="ttdeci">uchar8 row_reduce_max_3(uchar16 val)</div><div class="ttdoc">Calculate the maximum of a sliding window of size 3. </div><div class="ttdef"><b>Definition:</b> <a href="non__linear__filter__helpers_8h_source.xhtml#l00120">non_linear_filter_helpers.h:120</a></div></div> |
| <div class="ttc" id="struct_image_xhtml"><div class="ttname"><a href="struct_image.xhtml">Image</a></div><div class="ttdoc">Structure to hold Image information. </div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00134">helpers.h:134</a></div></div> |
| <div class="ttc" id="struct_image_xhtml_acf52c23cbd7424606c10a606524e3e32"><div class="ttname"><a href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">Image::ptr</a></div><div class="ttdeci">__global uchar * ptr</div><div class="ttdoc">Pointer to the starting postion of the buffer. </div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00136">helpers.h:136</a></div></div> |
| <div class="ttc" id="namespacearm__compute_1_1test_1_1fixed__point__arithmetic_1_1detail_xhtml_ad91bb73431b4de1f4946ed949d444849"><div class="ttname"><a href="namespacearm__compute_1_1test_1_1fixed__point__arithmetic_1_1detail.xhtml#ad91bb73431b4de1f4946ed949d444849">arm_compute::test::fixed_point_arithmetic::detail::max</a></div><div class="ttdeci">fixed_point< T > max(fixed_point< T > x, fixed_point< T > y)</div><div class="ttdef"><b>Definition:</b> <a href="tests_2validation_2_fixed_point_8h_source.xhtml#l00889">FixedPoint.h:889</a></div></div> |
| <div class="ttc" id="non__linear__filter__helpers_8h_xhtml_ae3e09114bb887de4e20122eed42671a1"><div class="ttname"><a href="non__linear__filter__helpers_8h.xhtml#ae3e09114bb887de4e20122eed42671a1">row_reduce_min_3</a></div><div class="ttdeci">uchar8 row_reduce_min_3(uchar16 val)</div><div class="ttdoc">Calculate the minimum of a sliding window of size 3. </div><div class="ttdef"><b>Definition:</b> <a href="non__linear__filter__helpers_8h_source.xhtml#l00109">non_linear_filter_helpers.h:109</a></div></div> |
| </div><!-- fragment --> |
| </div> |
| </div> |
| <a class="anchor" id="a37f5aa2a4245f4b6b925640f73a77fdb"></a> |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">__kernel void non_linear_filter_disk3x3 </td> |
| <td>(</td> |
| <td class="paramtype">__global uchar * </td> |
| <td class="paramname"><em>src_ptr</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">uint </td> |
| <td class="paramname"><em>src_stride_x</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">uint </td> |
| <td class="paramname"><em>src_step_x</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">uint </td> |
| <td class="paramname"><em>src_stride_y</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">uint </td> |
| <td class="paramname"><em>src_step_y</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">uint </td> |
| <td class="paramname"><em>src_offset_first_element_in_bytes</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">__global uchar * </td> |
| <td class="paramname"><em>dst_ptr</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">uint </td> |
| <td class="paramname"><em>dst_stride_x</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">uint </td> |
| <td class="paramname"><em>dst_step_x</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">uint </td> |
| <td class="paramname"><em>dst_stride_y</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">uint </td> |
| <td class="paramname"><em>dst_step_y</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">uint </td> |
| <td class="paramname"><em>dst_offset_first_element_in_bytes</em> </td> |
| </tr> |
| <tr> |
| <td></td> |
| <td>)</td> |
| <td></td><td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| |
| <p>This function applies a non linear filter on a 3x3 disk basis on an input image. </p> |
| <dl class="section note"><dt>Note</dt><dd>The needed filter operation is defined through the preprocessor by passing either -DMIN, -DMAX or -DMEDIAN.</dd></dl> |
| <dl class="params"><dt>Parameters</dt><dd> |
| <table class="params"> |
| <tr><td class="paramdir">[in]</td><td class="paramname">src_ptr</td><td>Pointer to the source image. Supported data types: U8 </td></tr> |
| <tr><td class="paramdir">[in]</td><td class="paramname">src_stride_x</td><td>Stride of the source image in X dimension (in bytes) </td></tr> |
| <tr><td class="paramdir">[in]</td><td class="paramname">src_step_x</td><td>src_stride_x * number of elements along X processed per workitem(in bytes) </td></tr> |
| <tr><td class="paramdir">[in]</td><td class="paramname">src_stride_y</td><td>Stride of the source image in Y dimension (in bytes) </td></tr> |
| <tr><td class="paramdir">[in]</td><td class="paramname">src_step_y</td><td>src_stride_y * number of elements along Y processed per workitem(in bytes) </td></tr> |
| <tr><td class="paramdir">[in]</td><td class="paramname">src_offset_first_element_in_bytes</td><td>The offset of the first element in the source image </td></tr> |
| <tr><td class="paramdir">[out]</td><td class="paramname">dst_ptr</td><td>Pointer to the destination image. Supported data types: U8 </td></tr> |
| <tr><td class="paramdir">[in]</td><td class="paramname">dst_stride_x</td><td>Stride of the destination image in X dimension (in bytes) </td></tr> |
| <tr><td class="paramdir">[in]</td><td class="paramname">dst_step_x</td><td>dst_stride_x * number of elements along X processed per workitem(in bytes) </td></tr> |
| <tr><td class="paramdir">[in]</td><td class="paramname">dst_stride_y</td><td>Stride of the destination image in Y dimension (in bytes) </td></tr> |
| <tr><td class="paramdir">[in]</td><td class="paramname">dst_step_y</td><td>dst_stride_y * number of elements along Y processed per workitem(in bytes) </td></tr> |
| <tr><td class="paramdir">[in]</td><td class="paramname">dst_offset_first_element_in_bytes</td><td>The offset of the first element in the destination image </td></tr> |
| </table> |
| </dd> |
| </dl> |
| |
| <p>Definition at line <a class="el" href="non__linear__filter3x3_8cl_source.xhtml#l00150">150</a> of file <a class="el" href="non__linear__filter3x3_8cl_source.xhtml">non_linear_filter3x3.cl</a>.</p> |
| |
| <p>References <a class="el" href="helpers_8h_source.xhtml#l00096">CONVERT_TO_IMAGE_STRUCT</a>, <a class="el" href="tests_2validation_2_fixed_point_8h_source.xhtml#l00889">arm_compute::test::fixed_point_arithmetic::detail::max()</a>, <a class="el" href="tests_2validation_2_fixed_point_8h_source.xhtml#l00884">arm_compute::test::fixed_point_arithmetic::detail::min()</a>, <a class="el" href="helpers_8h_source.xhtml#l00295">offset()</a>, <a class="el" href="helpers_8h_source.xhtml#l00136">Image::ptr</a>, <a class="el" href="non__linear__filter__helpers_8h_source.xhtml#l00120">row_reduce_max_3()</a>, <a class="el" href="non__linear__filter__helpers_8h_source.xhtml#l00109">row_reduce_min_3()</a>, and <a class="el" href="non__linear__filter__helpers_8h_source.xhtml#l00078">sort9()</a>.</p> |
| <div class="fragment"><div class="line"><a name="l00153"></a><span class="lineno"> 153</span> {</div> |
| <div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <a class="code" href="struct_image.xhtml">Image</a> src = <a class="code" href="helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a>(src);</div> |
| <div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <a class="code" href="struct_image.xhtml">Image</a> dst = <a class="code" href="helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a>(dst);</div> |
| <div class="line"><a name="l00156"></a><span class="lineno"> 156</span> </div> |
| <div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="comment">// Load values</span></div> |
| <div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  uchar16 top = vload16(0, <a class="code" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(&src, -1, -1));</div> |
| <div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  uchar16 middle = vload16(0, <a class="code" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(&src, -1, 0));</div> |
| <div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  uchar16 bottom = vload16(0, <a class="code" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(&src, -1, 1));</div> |
| <div class="line"><a name="l00161"></a><span class="lineno"> 161</span> </div> |
| <div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class="comment">// Apply respective filter</span></div> |
| <div class="line"><a name="l00163"></a><span class="lineno"> 163</span> <span class="preprocessor">#ifdef MIN</span></div> |
| <div class="line"><a name="l00164"></a><span class="lineno"> 164</span> <span class="preprocessor"></span> uchar16 tmp = <a class="code" href="namespacearm__compute_1_1test_1_1fixed__point__arithmetic_1_1detail.xhtml#aabcf39e3917f842dbc5fbb0d802f24d5">min</a>(top, <a class="code" href="namespacearm__compute_1_1test_1_1fixed__point__arithmetic_1_1detail.xhtml#aabcf39e3917f842dbc5fbb0d802f24d5">min</a>(middle, bottom));</div> |
| <div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  uchar8 out = <a class="code" href="non__linear__filter__helpers_8h.xhtml#ae3e09114bb887de4e20122eed42671a1">row_reduce_min_3</a>(tmp);</div> |
| <div class="line"><a name="l00166"></a><span class="lineno"> 166</span> <span class="preprocessor">#elif defined(MAX)</span></div> |
| <div class="line"><a name="l00167"></a><span class="lineno"> 167</span> <span class="preprocessor"></span> uchar16 tmp = <a class="code" href="namespacearm__compute_1_1test_1_1fixed__point__arithmetic_1_1detail.xhtml#ad91bb73431b4de1f4946ed949d444849">max</a>(top, <a class="code" href="namespacearm__compute_1_1test_1_1fixed__point__arithmetic_1_1detail.xhtml#ad91bb73431b4de1f4946ed949d444849">max</a>(middle, bottom));</div> |
| <div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  uchar8 out = <a class="code" href="non__linear__filter__helpers_8h.xhtml#a3138dafa8474a59f73dd837073f18ed7">row_reduce_max_3</a>(tmp);</div> |
| <div class="line"><a name="l00169"></a><span class="lineno"> 169</span> <span class="preprocessor">#elif defined(MEDIAN)</span></div> |
| <div class="line"><a name="l00170"></a><span class="lineno"> 170</span> <span class="preprocessor"></span> uchar8 p0 = top.s01234567;</div> |
| <div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  uchar8 p1 = top.s12345678;</div> |
| <div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  uchar8 p2 = top.s23456789;</div> |
| <div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  uchar8 p3 = middle.s01234567;</div> |
| <div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  uchar8 p4 = middle.s12345678;</div> |
| <div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  uchar8 p5 = middle.s23456789;</div> |
| <div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  uchar8 p6 = bottom.s01234567;</div> |
| <div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  uchar8 p7 = bottom.s12345678;</div> |
| <div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  uchar8 p8 = bottom.s23456789;</div> |
| <div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  uchar8 out = <a class="code" href="non__linear__filter__helpers_8h.xhtml#a0960df49e39a9499677066c32600c17f">sort9</a>(p0, p1, p2, p3, p4, p5, p6, p7, p8);</div> |
| <div class="line"><a name="l00180"></a><span class="lineno"> 180</span> <span class="preprocessor">#else </span><span class="comment">/* MIN or MAX or MEDIAN */</span><span class="preprocessor"></span></div> |
| <div class="line"><a name="l00181"></a><span class="lineno"> 181</span> <span class="preprocessor"></span><span class="preprocessor">#error "Unsupported filter function"</span></div> |
| <div class="line"><a name="l00182"></a><span class="lineno"> 182</span> <span class="preprocessor"></span><span class="preprocessor">#endif </span><span class="comment">/* MIN or MAX or MEDIAN */</span><span class="preprocessor"></span></div> |
| <div class="line"><a name="l00183"></a><span class="lineno"> 183</span> <span class="preprocessor"></span></div> |
| <div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="comment">// Store result</span></div> |
| <div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  vstore8(out, 0, dst.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>);</div> |
| <div class="line"><a name="l00186"></a><span class="lineno"> 186</span> }</div> |
| <div class="ttc" id="namespacearm__compute_1_1test_1_1fixed__point__arithmetic_1_1detail_xhtml_aabcf39e3917f842dbc5fbb0d802f24d5"><div class="ttname"><a href="namespacearm__compute_1_1test_1_1fixed__point__arithmetic_1_1detail.xhtml#aabcf39e3917f842dbc5fbb0d802f24d5">arm_compute::test::fixed_point_arithmetic::detail::min</a></div><div class="ttdeci">fixed_point< T > min(fixed_point< T > x, fixed_point< T > y)</div><div class="ttdef"><b>Definition:</b> <a href="tests_2validation_2_fixed_point_8h_source.xhtml#l00884">FixedPoint.h:884</a></div></div> |
| <div class="ttc" id="helpers_8h_xhtml_a009469e4d9b8fce3b6d5e97d2077827d"><div class="ttname"><a href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a></div><div class="ttdeci">__global uchar * offset(const Image *img, int x, int y)</div><div class="ttdoc">Get the pointer position of a Image. </div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00295">helpers.h:295</a></div></div> |
| <div class="ttc" id="helpers_8h_xhtml_aebe814363556c244be043b13e7969197"><div class="ttname"><a href="helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a></div><div class="ttdeci">#define CONVERT_TO_IMAGE_STRUCT(name)</div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00096">helpers.h:96</a></div></div> |
| <div class="ttc" id="non__linear__filter__helpers_8h_xhtml_a3138dafa8474a59f73dd837073f18ed7"><div class="ttname"><a href="non__linear__filter__helpers_8h.xhtml#a3138dafa8474a59f73dd837073f18ed7">row_reduce_max_3</a></div><div class="ttdeci">uchar8 row_reduce_max_3(uchar16 val)</div><div class="ttdoc">Calculate the maximum of a sliding window of size 3. </div><div class="ttdef"><b>Definition:</b> <a href="non__linear__filter__helpers_8h_source.xhtml#l00120">non_linear_filter_helpers.h:120</a></div></div> |
| <div class="ttc" id="struct_image_xhtml"><div class="ttname"><a href="struct_image.xhtml">Image</a></div><div class="ttdoc">Structure to hold Image information. </div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00134">helpers.h:134</a></div></div> |
| <div class="ttc" id="struct_image_xhtml_acf52c23cbd7424606c10a606524e3e32"><div class="ttname"><a href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">Image::ptr</a></div><div class="ttdeci">__global uchar * ptr</div><div class="ttdoc">Pointer to the starting postion of the buffer. </div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00136">helpers.h:136</a></div></div> |
| <div class="ttc" id="non__linear__filter__helpers_8h_xhtml_a0960df49e39a9499677066c32600c17f"><div class="ttname"><a href="non__linear__filter__helpers_8h.xhtml#a0960df49e39a9499677066c32600c17f">sort9</a></div><div class="ttdeci">uchar8 sort9(uchar8 p0, uchar8 p1, uchar8 p2, uchar8 p3, uchar8 p4, uchar8 p5, uchar8 p6, uchar8 p7, uchar8 p8)</div><div class="ttdoc">Sorting network to sort 9 vectors of 8 elements and return their median. </div><div class="ttdef"><b>Definition:</b> <a href="non__linear__filter__helpers_8h_source.xhtml#l00078">non_linear_filter_helpers.h:78</a></div></div> |
| <div class="ttc" id="namespacearm__compute_1_1test_1_1fixed__point__arithmetic_1_1detail_xhtml_ad91bb73431b4de1f4946ed949d444849"><div class="ttname"><a href="namespacearm__compute_1_1test_1_1fixed__point__arithmetic_1_1detail.xhtml#ad91bb73431b4de1f4946ed949d444849">arm_compute::test::fixed_point_arithmetic::detail::max</a></div><div class="ttdeci">fixed_point< T > max(fixed_point< T > x, fixed_point< T > y)</div><div class="ttdef"><b>Definition:</b> <a href="tests_2validation_2_fixed_point_8h_source.xhtml#l00889">FixedPoint.h:889</a></div></div> |
| <div class="ttc" id="non__linear__filter__helpers_8h_xhtml_ae3e09114bb887de4e20122eed42671a1"><div class="ttname"><a href="non__linear__filter__helpers_8h.xhtml#ae3e09114bb887de4e20122eed42671a1">row_reduce_min_3</a></div><div class="ttdeci">uchar8 row_reduce_min_3(uchar16 val)</div><div class="ttdoc">Calculate the minimum of a sliding window of size 3. </div><div class="ttdef"><b>Definition:</b> <a href="non__linear__filter__helpers_8h_source.xhtml#l00109">non_linear_filter_helpers.h:109</a></div></div> |
| </div><!-- fragment --> |
| </div> |
| </div> |
| </div><!-- contents --> |
| </div><!-- doc-content --> |
| <!-- start footer part --> |
| <div id="nav-path" class="navpath"><!-- id is needed for treeview function! --> |
| <ul> |
| <li class="navelem"><a class="el" href="dir_55b5a5006e943fb664ff8cff3cfe7768.xhtml">src</a></li><li class="navelem"><a class="el" href="dir_f6c3ae42d7e27145d0a3c3e38ca1c000.xhtml">core</a></li><li class="navelem"><a class="el" href="dir_1b7ae9123c88e650426d50d95c19d414.xhtml">CL</a></li><li class="navelem"><a class="el" href="dir_b7c3d80b0dadb2139bc73b7161751c12.xhtml">cl_kernels</a></li><li class="navelem"><a class="el" href="non__linear__filter3x3_8cl.xhtml">non_linear_filter3x3.cl</a></li> |
| <li class="footer">Generated on Thu Oct 12 2017 14:26:35 for Compute Library by |
| <a href="http://www.doxygen.org/index.html"> |
| <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.6 </li> |
| </ul> |
| </div> |
| </body> |
| </html> |
