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| <div class="textblock"><code>#include "<a class="el" href="helpers_8h_source.xhtml">helpers.h</a>"</code><br/> |
| </div> |
| <p><a href="magnitude__phase_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="define-members"></a> |
| Macros</h2></td></tr> |
| <tr class="memitem:a259a59d7a4f247119c457af235827a29"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="magnitude__phase_8cl.xhtml#a259a59d7a4f247119c457af235827a29">MAGNITUDE_OP</a>(x, y)   <a class="el" href="magnitude__phase_8cl.xhtml#aedc7e5ee4cb8f5a0240e422f9a9e7ce9">magnitude_l1</a>((x), (y))</td></tr> |
| <tr class="separator:a259a59d7a4f247119c457af235827a29"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a4434551334149479f843f87424bbb8c8"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="magnitude__phase_8cl.xhtml#a4434551334149479f843f87424bbb8c8">PHASE_OP</a>(x, y)   <a class="el" href="magnitude__phase_8cl.xhtml#ab0d7e891c8a09824c46baa2393d6961f">phase_unsigned</a>((x), (y))</td></tr> |
| <tr class="separator:a4434551334149479f843f87424bbb8c8"><td class="memSeparator" colspan="2"> </td></tr> |
| </table><table class="memberdecls"> |
| <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a> |
| Functions</h2></td></tr> |
| <tr class="memitem:aedc7e5ee4cb8f5a0240e422f9a9e7ce9"><td class="memItemLeft" align="right" valign="top">DATA_TYPE16 </td><td class="memItemRight" valign="bottom"><a class="el" href="magnitude__phase_8cl.xhtml#aedc7e5ee4cb8f5a0240e422f9a9e7ce9">magnitude_l1</a> (DATA_TYPE16 a, DATA_TYPE16 b)</td></tr> |
| <tr class="memdesc:aedc7e5ee4cb8f5a0240e422f9a9e7ce9"><td class="mdescLeft"> </td><td class="mdescRight">Calculates L1 normalization between two inputs. <a href="#aedc7e5ee4cb8f5a0240e422f9a9e7ce9">More...</a><br/></td></tr> |
| <tr class="separator:aedc7e5ee4cb8f5a0240e422f9a9e7ce9"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:aec9387519a61474acb0b2bf90ef6d94d"><td class="memItemLeft" align="right" valign="top">DATA_TYPE16 </td><td class="memItemRight" valign="bottom"><a class="el" href="magnitude__phase_8cl.xhtml#aec9387519a61474acb0b2bf90ef6d94d">magnitude_l2</a> (int16 a, int16 b)</td></tr> |
| <tr class="memdesc:aec9387519a61474acb0b2bf90ef6d94d"><td class="mdescLeft"> </td><td class="mdescRight">Calculates L2 normalization between two inputs. <a href="#aec9387519a61474acb0b2bf90ef6d94d">More...</a><br/></td></tr> |
| <tr class="separator:aec9387519a61474acb0b2bf90ef6d94d"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:ab0d7e891c8a09824c46baa2393d6961f"><td class="memItemLeft" align="right" valign="top">uchar16 </td><td class="memItemRight" valign="bottom"><a class="el" href="magnitude__phase_8cl.xhtml#ab0d7e891c8a09824c46baa2393d6961f">phase_unsigned</a> (DATA_TYPE16 a, DATA_TYPE16 b)</td></tr> |
| <tr class="memdesc:ab0d7e891c8a09824c46baa2393d6961f"><td class="mdescLeft"> </td><td class="mdescRight">Calculates unsigned phase between two inputs. <a href="#ab0d7e891c8a09824c46baa2393d6961f">More...</a><br/></td></tr> |
| <tr class="separator:ab0d7e891c8a09824c46baa2393d6961f"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a02ff978b574e44604d625dbd470ab870"><td class="memItemLeft" align="right" valign="top">uchar16 </td><td class="memItemRight" valign="bottom"><a class="el" href="magnitude__phase_8cl.xhtml#a02ff978b574e44604d625dbd470ab870">phase_signed</a> (DATA_TYPE16 a, DATA_TYPE16 b)</td></tr> |
| <tr class="memdesc:a02ff978b574e44604d625dbd470ab870"><td class="mdescLeft"> </td><td class="mdescRight">Calculates signed phase between two inputs. <a href="#a02ff978b574e44604d625dbd470ab870">More...</a><br/></td></tr> |
| <tr class="separator:a02ff978b574e44604d625dbd470ab870"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a76ac02e1f05a26f67090c9464434e04a"><td class="memItemLeft" align="right" valign="top">__kernel void </td><td class="memItemRight" valign="bottom"><a class="el" href="magnitude__phase_8cl.xhtml#a76ac02e1f05a26f67090c9464434e04a">magnitude_phase</a> (__global uchar *gx_ptr, uint gx_stride_x, uint gx_step_x, uint gx_stride_y, uint gx_step_y, uint gx_offset_first_element_in_bytes, __global uchar *gy_ptr, uint gy_stride_x, uint gy_step_x, uint gy_stride_y, uint gy_step_y, uint gy_offset_first_element_in_bytes, __global uchar *magnitude_ptr, uint magnitude_stride_x, uint magnitude_step_x, uint magnitude_stride_y, uint magnitude_step_y, uint magnitude_offset_first_element_in_bytes, __global uchar *phase_ptr, uint phase_stride_x, uint phase_step_x, uint phase_stride_y, uint phase_step_y, uint phase_offset_first_element_in_bytes)</td></tr> |
| <tr class="memdesc:a76ac02e1f05a26f67090c9464434e04a"><td class="mdescLeft"> </td><td class="mdescRight">Calculate the magnitude and phase of given the gradients of an image. <a href="#a76ac02e1f05a26f67090c9464434e04a">More...</a><br/></td></tr> |
| <tr class="separator:a76ac02e1f05a26f67090c9464434e04a"><td class="memSeparator" colspan="2"> </td></tr> |
| </table> |
| <h2 class="groupheader">Macro Definition Documentation</h2> |
| <a class="anchor" id="a259a59d7a4f247119c457af235827a29"></a> |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">#define MAGNITUDE_OP</td> |
| <td>(</td> |
| <td class="paramtype"> </td> |
| <td class="paramname">x, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype"> </td> |
| <td class="paramname">y </td> |
| </tr> |
| <tr> |
| <td></td> |
| <td>)</td> |
| <td></td><td>   <a class="el" href="magnitude__phase_8cl.xhtml#aedc7e5ee4cb8f5a0240e422f9a9e7ce9">magnitude_l1</a>((x), (y))</td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| |
| <p>Definition at line <a class="el" href="magnitude__phase_8cl_source.xhtml#l00081">81</a> of file <a class="el" href="magnitude__phase_8cl_source.xhtml">magnitude_phase.cl</a>.</p> |
| |
| <p>Referenced by <a class="el" href="magnitude__phase_8cl_source.xhtml#l00130">magnitude_phase()</a>.</p> |
| |
| </div> |
| </div> |
| <a class="anchor" id="a4434551334149479f843f87424bbb8c8"></a> |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">#define PHASE_OP</td> |
| <td>(</td> |
| <td class="paramtype"> </td> |
| <td class="paramname">x, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype"> </td> |
| <td class="paramname">y </td> |
| </tr> |
| <tr> |
| <td></td> |
| <td>)</td> |
| <td></td><td>   <a class="el" href="magnitude__phase_8cl.xhtml#ab0d7e891c8a09824c46baa2393d6961f">phase_unsigned</a>((x), (y))</td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| |
| <p>Definition at line <a class="el" href="magnitude__phase_8cl_source.xhtml#l00089">89</a> of file <a class="el" href="magnitude__phase_8cl_source.xhtml">magnitude_phase.cl</a>.</p> |
| |
| <p>Referenced by <a class="el" href="magnitude__phase_8cl_source.xhtml#l00130">magnitude_phase()</a>.</p> |
| |
| </div> |
| </div> |
| <h2 class="groupheader">Function Documentation</h2> |
| <a class="anchor" id="aedc7e5ee4cb8f5a0240e422f9a9e7ce9"></a> |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="mlabels"> |
| <tr> |
| <td class="mlabels-left"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">DATA_TYPE16 magnitude_l1 </td> |
| <td>(</td> |
| <td class="paramtype">DATA_TYPE16 </td> |
| <td class="paramname"><em>a</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">DATA_TYPE16 </td> |
| <td class="paramname"><em>b</em> </td> |
| </tr> |
| <tr> |
| <td></td> |
| <td>)</td> |
| <td></td><td></td> |
| </tr> |
| </table> |
| </td> |
| <td class="mlabels-right"> |
| <span class="mlabels"><span class="mlabel">inline</span></span> </td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| |
| <p>Calculates L1 normalization between two inputs. </p> |
| <dl class="params"><dt>Parameters</dt><dd> |
| <table class="params"> |
| <tr><td class="paramdir">[in]</td><td class="paramname">a</td><td>First input. Supported data types: S16, S32 </td></tr> |
| <tr><td class="paramdir">[in]</td><td class="paramname">b</td><td>Second input. Supported data types: S16, S32</td></tr> |
| </table> |
| </dd> |
| </dl> |
| <dl class="section return"><dt>Returns</dt><dd>L1 normalization magnitude result. Supported data types: S16, S32 </dd></dl> |
| |
| <p>Definition at line <a class="el" href="magnitude__phase_8cl_source.xhtml#l00033">33</a> of file <a class="el" href="magnitude__phase_8cl_source.xhtml">magnitude_phase.cl</a>.</p> |
| |
| <p>References <a class="el" href="tests_2validation_2_fixed_point_8h_source.xhtml#l00914">arm_compute::test::fixed_point_arithmetic::detail::abs()</a>, <a class="el" href="direct__convolution1x1_8cl_source.xhtml#l00040">CONVERT_SAT</a>, and <a class="el" href="fixed__point_8h_source.xhtml#l00093">VEC_DATA_TYPE</a>.</p> |
| <div class="fragment"><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> {</div> |
| <div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <span class="keywordflow">return</span> <a class="code" href="direct__convolution1x1_8cl.xhtml#a1f15728672380ade7a238f5e783d54d2">CONVERT_SAT</a>(add_sat(<a class="code" href="namespacearm__compute_1_1test_1_1fixed__point__arithmetic_1_1detail.xhtml#ae115fc750a92fb6a5e094998b56fcc56">abs</a>(a), <a class="code" href="namespacearm__compute_1_1test_1_1fixed__point__arithmetic_1_1detail.xhtml#ae115fc750a92fb6a5e094998b56fcc56">abs</a>(b)), <a class="code" href="fixed__point_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a>(<a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a>, 16));</div> |
| <div class="line"><a name="l00036"></a><span class="lineno"> 36</span> }</div> |
| <div class="ttc" id="convolution3x3_8cl_xhtml_afb8c72ce35c4a1f4a2588d6573e54aa1"><div class="ttname"><a href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a></div><div class="ttdeci">#define DATA_TYPE</div><div class="ttdef"><b>Definition:</b> <a href="convolution3x3_8cl_source.xhtml#l00027">convolution3x3.cl:27</a></div></div> |
| <div class="ttc" id="direct__convolution1x1_8cl_xhtml_a1f15728672380ade7a238f5e783d54d2"><div class="ttname"><a href="direct__convolution1x1_8cl.xhtml#a1f15728672380ade7a238f5e783d54d2">CONVERT_SAT</a></div><div class="ttdeci">#define CONVERT_SAT(a, b)</div><div class="ttdef"><b>Definition:</b> <a href="direct__convolution1x1_8cl_source.xhtml#l00040">direct_convolution1x1.cl:40</a></div></div> |
| <div class="ttc" id="fixed__point_8h_xhtml_a36f754c05b6fddf6df0d8d0a74f8159f"><div class="ttname"><a href="fixed__point_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a></div><div class="ttdeci">#define VEC_DATA_TYPE(type, size)</div><div class="ttdef"><b>Definition:</b> <a href="fixed__point_8h_source.xhtml#l00093">fixed_point.h:93</a></div></div> |
| <div class="ttc" id="namespacearm__compute_1_1test_1_1fixed__point__arithmetic_1_1detail_xhtml_ae115fc750a92fb6a5e094998b56fcc56"><div class="ttname"><a href="namespacearm__compute_1_1test_1_1fixed__point__arithmetic_1_1detail.xhtml#ae115fc750a92fb6a5e094998b56fcc56">arm_compute::test::fixed_point_arithmetic::detail::abs</a></div><div class="ttdeci">fixed_point< T > abs(fixed_point< T > x)</div><div class="ttdef"><b>Definition:</b> <a href="tests_2validation_2_fixed_point_8h_source.xhtml#l00914">FixedPoint.h:914</a></div></div> |
| </div><!-- fragment --> |
| </div> |
| </div> |
| <a class="anchor" id="aec9387519a61474acb0b2bf90ef6d94d"></a> |
| <div class="memitem"> |
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| <td class="mlabels-left"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">DATA_TYPE16 magnitude_l2 </td> |
| <td>(</td> |
| <td class="paramtype">int16 </td> |
| <td class="paramname"><em>a</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">int16 </td> |
| <td class="paramname"><em>b</em> </td> |
| </tr> |
| <tr> |
| <td></td> |
| <td>)</td> |
| <td></td><td></td> |
| </tr> |
| </table> |
| </td> |
| <td class="mlabels-right"> |
| <span class="mlabels"><span class="mlabel">inline</span></span> </td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| |
| <p>Calculates L2 normalization between two inputs. </p> |
| <dl class="params"><dt>Parameters</dt><dd> |
| <table class="params"> |
| <tr><td class="paramdir">[in]</td><td class="paramname">a</td><td>First input. Supported data types: S16, S32 </td></tr> |
| <tr><td class="paramdir">[in]</td><td class="paramname">b</td><td>Second input. Supported data types: S16, S32</td></tr> |
| </table> |
| </dd> |
| </dl> |
| <dl class="section return"><dt>Returns</dt><dd>L2 normalization magnitude result. Supported data types: S16, S32 </dd></dl> |
| |
| <p>Definition at line <a class="el" href="magnitude__phase_8cl_source.xhtml#l00045">45</a> of file <a class="el" href="magnitude__phase_8cl_source.xhtml">magnitude_phase.cl</a>.</p> |
| |
| <p>References <a class="el" href="direct__convolution1x1_8cl_source.xhtml#l00040">CONVERT_SAT</a>, <a class="el" href="convolution3x3_8cl_source.xhtml#l00027">DATA_TYPE</a>, and <a class="el" href="fixed__point_8h_source.xhtml#l00093">VEC_DATA_TYPE</a>.</p> |
| <div class="fragment"><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> {</div> |
| <div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="keywordflow">return</span> <a class="code" href="direct__convolution1x1_8cl.xhtml#a1f15728672380ade7a238f5e783d54d2">CONVERT_SAT</a>((sqrt(convert_float16((convert_uint16(a * a) + convert_uint16(b * b)))) + 0.5f),</div> |
| <div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <a class="code" href="fixed__point_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a>(<a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a>, 16));</div> |
| <div class="line"><a name="l00049"></a><span class="lineno"> 49</span> }</div> |
| <div class="ttc" id="convolution3x3_8cl_xhtml_afb8c72ce35c4a1f4a2588d6573e54aa1"><div class="ttname"><a href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a></div><div class="ttdeci">#define DATA_TYPE</div><div class="ttdef"><b>Definition:</b> <a href="convolution3x3_8cl_source.xhtml#l00027">convolution3x3.cl:27</a></div></div> |
| <div class="ttc" id="direct__convolution1x1_8cl_xhtml_a1f15728672380ade7a238f5e783d54d2"><div class="ttname"><a href="direct__convolution1x1_8cl.xhtml#a1f15728672380ade7a238f5e783d54d2">CONVERT_SAT</a></div><div class="ttdeci">#define CONVERT_SAT(a, b)</div><div class="ttdef"><b>Definition:</b> <a href="direct__convolution1x1_8cl_source.xhtml#l00040">direct_convolution1x1.cl:40</a></div></div> |
| <div class="ttc" id="fixed__point_8h_xhtml_a36f754c05b6fddf6df0d8d0a74f8159f"><div class="ttname"><a href="fixed__point_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a></div><div class="ttdeci">#define VEC_DATA_TYPE(type, size)</div><div class="ttdef"><b>Definition:</b> <a href="fixed__point_8h_source.xhtml#l00093">fixed_point.h:93</a></div></div> |
| </div><!-- fragment --> |
| </div> |
| </div> |
| <a class="anchor" id="a76ac02e1f05a26f67090c9464434e04a"></a> |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">__kernel void magnitude_phase </td> |
| <td>(</td> |
| <td class="paramtype">__global uchar * </td> |
| <td class="paramname"><em>gx_ptr</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">uint </td> |
| <td class="paramname"><em>gx_stride_x</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">uint </td> |
| <td class="paramname"><em>gx_step_x</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">uint </td> |
| <td class="paramname"><em>gx_stride_y</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">uint </td> |
| <td class="paramname"><em>gx_step_y</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">uint </td> |
| <td class="paramname"><em>gx_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>gy_ptr</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">uint </td> |
| <td class="paramname"><em>gy_stride_x</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">uint </td> |
| <td class="paramname"><em>gy_step_x</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">uint </td> |
| <td class="paramname"><em>gy_stride_y</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">uint </td> |
| <td class="paramname"><em>gy_step_y</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">uint </td> |
| <td class="paramname"><em>gy_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>magnitude_ptr</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">uint </td> |
| <td class="paramname"><em>magnitude_stride_x</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">uint </td> |
| <td class="paramname"><em>magnitude_step_x</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">uint </td> |
| <td class="paramname"><em>magnitude_stride_y</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">uint </td> |
| <td class="paramname"><em>magnitude_step_y</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">uint </td> |
| <td class="paramname"><em>magnitude_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>phase_ptr</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">uint </td> |
| <td class="paramname"><em>phase_stride_x</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">uint </td> |
| <td class="paramname"><em>phase_step_x</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">uint </td> |
| <td class="paramname"><em>phase_stride_y</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">uint </td> |
| <td class="paramname"><em>phase_step_y</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">uint </td> |
| <td class="paramname"><em>phase_offset_first_element_in_bytes</em> </td> |
| </tr> |
| <tr> |
| <td></td> |
| <td>)</td> |
| <td></td><td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| |
| <p>Calculate the magnitude and phase of given the gradients of an image. </p> |
| <dl class="section note"><dt>Note</dt><dd>Magnitude calculation supported: L1 normalization(type = 1) and L2 normalization(type = 2). </dd> |
| <dd> |
| Phase calculation supported: Unsigned(type = 1) [0,128] and Signed(type = 2) [0,256).</dd></dl> |
| <dl class="section attention"><dt>Attention</dt><dd>To enable phase calculation -DPHASE="phase_calculation_type_id" must be provided at compile time. eg -DPHASE=1 </dd> |
| <dd> |
| To enable magnitude calculation -DMAGNITUDE="magnitude_calculation_type_id" must be provided at compile time. eg -DMAGNITUDE=1 </dd> |
| <dd> |
| Datatype of the two inputs is passed at compile time using -DDATA_TYPE. e.g -DDATA_TYPE=short. Supported data_types are: short and int</dd></dl> |
| <dl class="params"><dt>Parameters</dt><dd> |
| <table class="params"> |
| <tr><td class="paramdir">[in]</td><td class="paramname">gx_ptr</td><td>Pointer to the first source image (gradient X). Supported data types: S16, S32 </td></tr> |
| <tr><td class="paramdir">[in]</td><td class="paramname">gx_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">gx_step_x</td><td>gx_stride_x * number of elements along X processed per workitem(in bytes) </td></tr> |
| <tr><td class="paramdir">[in]</td><td class="paramname">gx_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">gx_step_y</td><td>gx_stride_y * number of elements along Y processed per workitem(in bytes) </td></tr> |
| <tr><td class="paramdir">[in]</td><td class="paramname">gx_offset_first_element_in_bytes</td><td>The offset of the first element in the source image </td></tr> |
| <tr><td class="paramdir">[in]</td><td class="paramname">gy_ptr</td><td>Pointer to the second source image (gradient Y) . Supported data types: S16, S32 </td></tr> |
| <tr><td class="paramdir">[in]</td><td class="paramname">gy_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">gy_step_x</td><td>gy_stride_x * number of elements along X processed per workitem(in bytes) </td></tr> |
| <tr><td class="paramdir">[in]</td><td class="paramname">gy_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">gy_step_y</td><td>gy_stride_y * number of elements along Y processed per workitem(in bytes) </td></tr> |
| <tr><td class="paramdir">[in]</td><td class="paramname">gy_offset_first_element_in_bytes</td><td>The offset of the first element in the destination image </td></tr> |
| <tr><td class="paramdir">[out]</td><td class="paramname">magnitude_ptr</td><td>Pointer to the magnitude destination image. Supported data types: S16, S32 </td></tr> |
| <tr><td class="paramdir">[in]</td><td class="paramname">magnitude_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">magnitude_step_x</td><td>magnitude_stride_x * number of elements along X processed per workitem(in bytes) </td></tr> |
| <tr><td class="paramdir">[in]</td><td class="paramname">magnitude_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">magnitude_step_y</td><td>magnitude_stride_y * number of elements along Y processed per workitem(in bytes) </td></tr> |
| <tr><td class="paramdir">[in]</td><td class="paramname">magnitude_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">phase_ptr</td><td>Pointer to the phase destination image. Supported data types: U8 </td></tr> |
| <tr><td class="paramdir">[in]</td><td class="paramname">phase_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">phase_step_x</td><td>phase_stride_x * number of elements along X processed per workitem(in bytes) </td></tr> |
| <tr><td class="paramdir">[in]</td><td class="paramname">phase_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">phase_step_y</td><td>phase_stride_y * number of elements along Y processed per workitem(in bytes) </td></tr> |
| <tr><td class="paramdir">[in]</td><td class="paramname">phase_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="magnitude__phase_8cl_source.xhtml#l00130">130</a> of file <a class="el" href="magnitude__phase_8cl_source.xhtml">magnitude_phase.cl</a>.</p> |
| |
| <p>References <a class="el" href="helpers_8h_source.xhtml#l00093">CONVERT_TO_IMAGE_STRUCT</a>, <a class="el" href="convolution3x3_8cl_source.xhtml#l00027">DATA_TYPE</a>, <a class="el" href="magnitude__phase_8cl_source.xhtml#l00081">MAGNITUDE_OP</a>, <a class="el" href="magnitude__phase_8cl_source.xhtml#l00089">PHASE_OP</a>, <a class="el" href="helpers_8h_source.xhtml#l00133">Image::ptr</a>, and <a class="el" href="fixed__point_8h_source.xhtml#l00093">VEC_DATA_TYPE</a>.</p> |
| <div class="fragment"><div class="line"><a name="l00142"></a><span class="lineno"> 142</span> {</div> |
| <div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="comment">// Get pixels pointer</span></div> |
| <div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <a class="code" href="struct_image.xhtml">Image</a> gx = <a class="code" href="helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a>(gx);</div> |
| <div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <a class="code" href="struct_image.xhtml">Image</a> gy = <a class="code" href="helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a>(gy);</div> |
| <div class="line"><a name="l00146"></a><span class="lineno"> 146</span> </div> |
| <div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="comment">// Load values</span></div> |
| <div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <a class="code" href="fixed__point_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a>(<a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a>, 16)</div> |
| <div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  in_a = vload16(0, (__global <a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a> *)gx.ptr);</div> |
| <div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <a class="code" href="fixed__point_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a>(<a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a>, 16)</div> |
| <div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  in_b = vload16(0, (__global DATA_TYPE *)gy.ptr);</div> |
| <div class="line"><a name="l00152"></a><span class="lineno"> 152</span> </div> |
| <div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="comment">// Calculate and store the results</span></div> |
| <div class="line"><a name="l00154"></a><span class="lineno"> 154</span> <span class="preprocessor">#ifdef MAGNITUDE</span></div> |
| <div class="line"><a name="l00155"></a><span class="lineno"> 155</span> <span class="preprocessor"></span> <a class="code" href="struct_image.xhtml">Image</a> magnitude = <a class="code" href="helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a>(magnitude);</div> |
| <div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  vstore16(<a class="code" href="magnitude__phase_8cl.xhtml#a259a59d7a4f247119c457af235827a29">MAGNITUDE_OP</a>(in_a, in_b), 0, (__global DATA_TYPE *)magnitude.ptr);</div> |
| <div class="line"><a name="l00157"></a><span class="lineno"> 157</span> <span class="preprocessor">#endif </span><span class="comment">/* MAGNITUDE */</span><span class="preprocessor"></span></div> |
| <div class="line"><a name="l00158"></a><span class="lineno"> 158</span> <span class="preprocessor"></span><span class="preprocessor">#ifdef PHASE</span></div> |
| <div class="line"><a name="l00159"></a><span class="lineno"> 159</span> <span class="preprocessor"></span> <a class="code" href="struct_image.xhtml">Image</a> phase = <a class="code" href="helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a>(phase);</div> |
| <div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  vstore16(<a class="code" href="magnitude__phase_8cl.xhtml#a4434551334149479f843f87424bbb8c8">PHASE_OP</a>(in_a, in_b), 0, phase.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>);</div> |
| <div class="line"><a name="l00161"></a><span class="lineno"> 161</span> <span class="preprocessor">#endif </span><span class="comment">/* PHASE */</span><span class="preprocessor"></span></div> |
| <div class="line"><a name="l00162"></a><span class="lineno"> 162</span> <span class="preprocessor"></span>}</div> |
| <div class="ttc" id="convolution3x3_8cl_xhtml_afb8c72ce35c4a1f4a2588d6573e54aa1"><div class="ttname"><a href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a></div><div class="ttdeci">#define DATA_TYPE</div><div class="ttdef"><b>Definition:</b> <a href="convolution3x3_8cl_source.xhtml#l00027">convolution3x3.cl:27</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#l00093">helpers.h:93</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#l00131">helpers.h:131</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#l00133">helpers.h:133</a></div></div> |
| <div class="ttc" id="fixed__point_8h_xhtml_a36f754c05b6fddf6df0d8d0a74f8159f"><div class="ttname"><a href="fixed__point_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a></div><div class="ttdeci">#define VEC_DATA_TYPE(type, size)</div><div class="ttdef"><b>Definition:</b> <a href="fixed__point_8h_source.xhtml#l00093">fixed_point.h:93</a></div></div> |
| <div class="ttc" id="magnitude__phase_8cl_xhtml_a4434551334149479f843f87424bbb8c8"><div class="ttname"><a href="magnitude__phase_8cl.xhtml#a4434551334149479f843f87424bbb8c8">PHASE_OP</a></div><div class="ttdeci">#define PHASE_OP(x, y)</div><div class="ttdef"><b>Definition:</b> <a href="magnitude__phase_8cl_source.xhtml#l00089">magnitude_phase.cl:89</a></div></div> |
| <div class="ttc" id="magnitude__phase_8cl_xhtml_a259a59d7a4f247119c457af235827a29"><div class="ttname"><a href="magnitude__phase_8cl.xhtml#a259a59d7a4f247119c457af235827a29">MAGNITUDE_OP</a></div><div class="ttdeci">#define MAGNITUDE_OP(x, y)</div><div class="ttdef"><b>Definition:</b> <a href="magnitude__phase_8cl_source.xhtml#l00081">magnitude_phase.cl:81</a></div></div> |
| </div><!-- fragment --> |
| </div> |
| </div> |
| <a class="anchor" id="a02ff978b574e44604d625dbd470ab870"></a> |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="mlabels"> |
| <tr> |
| <td class="mlabels-left"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">uchar16 phase_signed </td> |
| <td>(</td> |
| <td class="paramtype">DATA_TYPE16 </td> |
| <td class="paramname"><em>a</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">DATA_TYPE16 </td> |
| <td class="paramname"><em>b</em> </td> |
| </tr> |
| <tr> |
| <td></td> |
| <td>)</td> |
| <td></td><td></td> |
| </tr> |
| </table> |
| </td> |
| <td class="mlabels-right"> |
| <span class="mlabels"><span class="mlabel">inline</span></span> </td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| |
| <p>Calculates signed phase between two inputs. </p> |
| <dl class="params"><dt>Parameters</dt><dd> |
| <table class="params"> |
| <tr><td class="paramdir">[in]</td><td class="paramname">a</td><td>First input. Supported data types: S16, S32 </td></tr> |
| <tr><td class="paramdir">[in]</td><td class="paramname">b</td><td>Second input. Supported data types: S16, S32</td></tr> |
| </table> |
| </dd> |
| </dl> |
| <dl class="section return"><dt>Returns</dt><dd>Signed phase mapped in the interval [0, 256). Supported data types: U8 </dd></dl> |
| |
| <p>Definition at line <a class="el" href="magnitude__phase_8cl_source.xhtml#l00072">72</a> of file <a class="el" href="magnitude__phase_8cl_source.xhtml">magnitude_phase.cl</a>.</p> |
| <div class="fragment"><div class="line"><a name="l00073"></a><span class="lineno"> 73</span> {</div> |
| <div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  float16 arct = atan2pi(convert_float16(b), convert_float16(a));</div> |
| <div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  arct = select(arct, arct + 2, arct < 0.0f);</div> |
| <div class="line"><a name="l00076"></a><span class="lineno"> 76</span> </div> |
| <div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="keywordflow">return</span> convert_uchar16(convert_int16(mad(arct, 128, 0.5f)) & 0xFFu);</div> |
| <div class="line"><a name="l00078"></a><span class="lineno"> 78</span> }</div> |
| </div><!-- fragment --> |
| </div> |
| </div> |
| <a class="anchor" id="ab0d7e891c8a09824c46baa2393d6961f"></a> |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="mlabels"> |
| <tr> |
| <td class="mlabels-left"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">uchar16 phase_unsigned </td> |
| <td>(</td> |
| <td class="paramtype">DATA_TYPE16 </td> |
| <td class="paramname"><em>a</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">DATA_TYPE16 </td> |
| <td class="paramname"><em>b</em> </td> |
| </tr> |
| <tr> |
| <td></td> |
| <td>)</td> |
| <td></td><td></td> |
| </tr> |
| </table> |
| </td> |
| <td class="mlabels-right"> |
| <span class="mlabels"><span class="mlabel">inline</span></span> </td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| |
| <p>Calculates unsigned phase between two inputs. </p> |
| <dl class="params"><dt>Parameters</dt><dd> |
| <table class="params"> |
| <tr><td class="paramdir">[in]</td><td class="paramname">a</td><td>First input. Supported data types: S16, S32 </td></tr> |
| <tr><td class="paramdir">[in]</td><td class="paramname">b</td><td>Second input. Supported data types: S16, S32</td></tr> |
| </table> |
| </dd> |
| </dl> |
| <dl class="section return"><dt>Returns</dt><dd>Unsigned phase mapped in the interval [0, 180]. Supported data types: U8 </dd></dl> |
| |
| <p>Definition at line <a class="el" href="magnitude__phase_8cl_source.xhtml#l00058">58</a> of file <a class="el" href="magnitude__phase_8cl_source.xhtml">magnitude_phase.cl</a>.</p> |
| <div class="fragment"><div class="line"><a name="l00059"></a><span class="lineno"> 59</span> {</div> |
| <div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  float16 angle_deg_f32 = atan2pi(convert_float16(b), convert_float16(a)) * (float16)180.0f;</div> |
| <div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  angle_deg_f32 = select(angle_deg_f32, (float16)180.0f + angle_deg_f32, angle_deg_f32 < (float16)0.0f);</div> |
| <div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keywordflow">return</span> convert_uchar16(angle_deg_f32);</div> |
| <div class="line"><a name="l00063"></a><span class="lineno"> 63</span> }</div> |
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