| /* Copyright 2015 The TensorFlow Authors. All Rights Reserved. |
| |
| Licensed under the Apache License, Version 2.0 (the "License"); |
| you may not use this file except in compliance with the License. |
| You may obtain a copy of the License at |
| |
| http://www.apache.org/licenses/LICENSE-2.0 |
| |
| Unless required by applicable law or agreed to in writing, software |
| distributed under the License is distributed on an "AS IS" BASIS, |
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| See the License for the specific language governing permissions and |
| limitations under the License. |
| ==============================================================================*/ |
| |
| // TODO(shlens, sherrym): Consider adding additional tests in image_ops.py in |
| // order to compare the reference implementation for image resizing in Python |
| // Image Library. |
| #include "tensorflow/core/framework/allocator.h" |
| #include "tensorflow/core/framework/fake_input.h" |
| #include "tensorflow/core/framework/node_def_builder.h" |
| #include "tensorflow/core/framework/op_kernel.h" |
| #include "tensorflow/core/framework/tensor.h" |
| #include "tensorflow/core/framework/tensor_testutil.h" |
| #include "tensorflow/core/framework/types.h" |
| #include "tensorflow/core/framework/types.pb.h" |
| #include "tensorflow/core/kernels/ops_testutil.h" |
| #include "tensorflow/core/kernels/ops_util.h" |
| #include "tensorflow/core/lib/core/status_test_util.h" |
| #include "tensorflow/core/platform/test.h" |
| |
| namespace tensorflow { |
| |
| class ResizeNearestNeighborOpTestBase : public OpsTestBase { |
| protected: |
| explicit ResizeNearestNeighborOpTestBase(bool half_pixel_centers) { |
| TF_EXPECT_OK(NodeDefBuilder("resize_nn", "ResizeNearestNeighbor") |
| .Input(FakeInput(DT_FLOAT)) |
| .Input(FakeInput(DT_INT32)) |
| .Attr("align_corners", false) |
| .Attr("half_pixel_centers", half_pixel_centers) |
| .Finalize(node_def())); |
| TF_EXPECT_OK(InitOp()); |
| } |
| }; |
| |
| class ResizeNearestNeighborOpTest : public ResizeNearestNeighborOpTestBase { |
| protected: |
| ResizeNearestNeighborOpTest() : ResizeNearestNeighborOpTestBase(false) {} |
| }; |
| |
| class ResizeNearestNeighborHalfPixelCentersOpTest |
| : public ResizeNearestNeighborOpTestBase { |
| protected: |
| ResizeNearestNeighborHalfPixelCentersOpTest() |
| : ResizeNearestNeighborOpTestBase(true) {} |
| }; |
| |
| // TODO(jflynn): Add some actual tests for the half pixel centers case. |
| |
| class ResizeNearestNeighborOpAlignCornersTest : public OpsTestBase { |
| protected: |
| ResizeNearestNeighborOpAlignCornersTest() { |
| TF_EXPECT_OK(NodeDefBuilder("resize_nn", "ResizeNearestNeighbor") |
| .Input(FakeInput(DT_FLOAT)) |
| .Input(FakeInput(DT_INT32)) |
| .Attr("align_corners", true) |
| .Finalize(node_def())); |
| TF_EXPECT_OK(InitOp()); |
| } |
| }; |
| |
| TEST_F(ResizeNearestNeighborOpTest, TestNearest2x2To1x1) { |
| // Input: |
| // 1, 2 |
| // 3, 4 |
| AddInputFromArray<float>(TensorShape({1, 2, 2, 1}), {1, 2, 3, 4}); |
| AddInputFromArray<int32>(TensorShape({2}), {1, 1}); |
| TF_ASSERT_OK(RunOpKernel()); |
| |
| Tensor expected(allocator(), DT_FLOAT, TensorShape({1, 1, 1, 1})); |
| |
| // clang-format off |
| test::FillValues<float>(&expected, {1}); |
| |
| // clang-format on |
| test::ExpectTensorEqual<float>(expected, *GetOutput(0)); |
| } |
| |
| TEST_F(ResizeNearestNeighborOpAlignCornersTest, |
| TestNearest2x2AlignCornersTo1x1) { |
| // Input: |
| // 1, 2 |
| // 3, 4 |
| AddInputFromArray<float>(TensorShape({1, 2, 2, 1}), {1, 2, 3, 4}); |
| AddInputFromArray<int32>(TensorShape({2}), {1, 1}); |
| TF_ASSERT_OK(RunOpKernel()); |
| |
| Tensor expected(allocator(), DT_FLOAT, TensorShape({1, 1, 1, 1})); |
| |
| // clang-format off |
| test::FillValues<float>(&expected, {1}); |
| |
| // clang-format on |
| test::ExpectTensorEqual<float>(expected, *GetOutput(0)); |
| } |
| |
| TEST_F(ResizeNearestNeighborOpTest, TestNearest2x2To3x3) { |
| // Input: |
| // 1, 2 |
| // 3, 4 |
| AddInputFromArray<float>(TensorShape({1, 2, 2, 1}), {1, 2, 3, 4}); |
| AddInputFromArray<int32>(TensorShape({2}), {3, 3}); |
| TF_ASSERT_OK(RunOpKernel()); |
| |
| Tensor expected(allocator(), DT_FLOAT, TensorShape({1, 3, 3, 1})); |
| |
| // clang-format off |
| test::FillValues<float>(&expected, |
| {1, 1, 2, |
| 1, 1, 2, |
| 3, 3, 4}); |
| |
| // clang-format on |
| test::ExpectTensorEqual<float>(expected, *GetOutput(0)); |
| } |
| |
| TEST_F(ResizeNearestNeighborOpAlignCornersTest, |
| TestNearestAlignCorners2x2To3x3) { |
| // Input: |
| // 1, 2 |
| // 3, 4 |
| AddInputFromArray<float>(TensorShape({1, 2, 2, 1}), {1, 2, 3, 4}); |
| AddInputFromArray<int32>(TensorShape({2}), {3, 3}); |
| TF_ASSERT_OK(RunOpKernel()); |
| |
| Tensor expected(allocator(), DT_FLOAT, TensorShape({1, 3, 3, 1})); |
| |
| // clang-format off |
| test::FillValues<float>(&expected, |
| {1, 2, 2, |
| 3, 4, 4, |
| 3, 4, 4}); |
| |
| // clang-format on |
| test::ExpectTensorEqual<float>(expected, *GetOutput(0)); |
| } |
| |
| TEST_F(ResizeNearestNeighborOpTest, TestNearest3x3To2x2) { |
| // Input: |
| // 1, 2, 3 |
| // 4, 5, 6 |
| // 7, 8, 9 |
| AddInputFromArray<float>(TensorShape({1, 3, 3, 1}), |
| {1, 2, 3, 4, 5, 6, 7, 8, 9}); |
| AddInputFromArray<int32>(TensorShape({2}), {2, 2}); |
| TF_ASSERT_OK(RunOpKernel()); |
| |
| Tensor expected(allocator(), DT_FLOAT, TensorShape({1, 2, 2, 1})); |
| |
| // clang-format off |
| test::FillValues<float>(&expected, |
| {1, 2, |
| 4, 5}); |
| |
| // clang-format on |
| test::ExpectTensorEqual<float>(expected, *GetOutput(0)); |
| } |
| |
| TEST_F(ResizeNearestNeighborOpAlignCornersTest, |
| TestNearestAlignCorners3x3To2x2) { |
| // Input: |
| // 1, 2, 3 |
| // 4, 5, 6 |
| // 7, 8, 9 |
| AddInputFromArray<float>(TensorShape({1, 3, 3, 1}), |
| {1, 2, 3, 4, 5, 6, 7, 8, 9}); |
| AddInputFromArray<int32>(TensorShape({2}), {2, 2}); |
| TF_ASSERT_OK(RunOpKernel()); |
| |
| Tensor expected(allocator(), DT_FLOAT, TensorShape({1, 2, 2, 1})); |
| |
| // clang-format off |
| test::FillValues<float>(&expected, |
| {1, 3, |
| 7, 9}); |
| |
| // clang-format on |
| test::ExpectTensorEqual<float>(expected, *GetOutput(0)); |
| } |
| |
| TEST_F(ResizeNearestNeighborOpTest, TestNearest2x2To2x5) { |
| // Input: |
| // 1, 2 |
| // 3, 4 |
| AddInputFromArray<float>(TensorShape({1, 2, 2, 1}), {1, 2, 3, 4}); |
| AddInputFromArray<int32>(TensorShape({2}), {2, 5}); |
| TF_ASSERT_OK(RunOpKernel()); |
| |
| Tensor expected(allocator(), DT_FLOAT, TensorShape({1, 2, 5, 1})); |
| |
| // clang-format off |
| test::FillValues<float>(&expected, |
| {1, 1, 1, 2, 2, |
| 3, 3, 3, 4, 4}); |
| |
| // clang-format on |
| test::ExpectTensorEqual<float>(expected, *GetOutput(0)); |
| } |
| |
| TEST_F(ResizeNearestNeighborOpTest, TestNearestNeighbor4x4To3x3) { |
| // Input: |
| // 1, 2, 3, 4 |
| // 5, 6, 7, 8 |
| // 9, 10, 11, 12 |
| // 13, 14, 15, 16 |
| AddInputFromArray<float>( |
| TensorShape({1, 4, 4, 1}), |
| {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16}); |
| AddInputFromArray<int32>(TensorShape({2}), {3, 3}); |
| TF_ASSERT_OK(RunOpKernel()); |
| |
| Tensor expected(allocator(), DT_FLOAT, TensorShape({1, 3, 3, 1})); |
| |
| // clang-format off |
| test::FillValues<float>(&expected, |
| {1, 2, 3, |
| 5, 6, 7, |
| 9, 10, 11}); |
| |
| // clang-format on |
| test::ExpectTensorEqual<float>(expected, *GetOutput(0)); |
| } |
| |
| TEST_F(ResizeNearestNeighborOpAlignCornersTest, |
| TestNearestNeighborAlignCorners4x4To3x3) { |
| // Input: |
| // 1, 2, 3, 4 |
| // 5, 6, 7, 8 |
| // 9, 10, 11, 12 |
| // 13, 14, 15, 16 |
| AddInputFromArray<float>( |
| TensorShape({1, 4, 4, 1}), |
| {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16}); |
| AddInputFromArray<int32>(TensorShape({2}), {3, 3}); |
| TF_ASSERT_OK(RunOpKernel()); |
| |
| Tensor expected(allocator(), DT_FLOAT, TensorShape({1, 3, 3, 1})); |
| |
| // clang-format off |
| test::FillValues<float>(&expected, |
| { 1, 3, 4, |
| 9, 11, 12, |
| 13, 15, 16}); |
| |
| // clang-format on |
| test::ExpectTensorEqual<float>(expected, *GetOutput(0)); |
| } |
| |
| TEST_F(ResizeNearestNeighborOpTest, TestNearest2x2To5x2) { |
| // Input: |
| // 1, 2 |
| // 3, 4 |
| AddInputFromArray<float>(TensorShape({1, 2, 2, 1}), {1, 2, 3, 4}); |
| AddInputFromArray<int32>(TensorShape({2}), {5, 2}); |
| TF_ASSERT_OK(RunOpKernel()); |
| |
| Tensor expected(allocator(), DT_FLOAT, TensorShape({1, 5, 2, 1})); |
| |
| // clang-format off |
| test::FillValues<float>(&expected, |
| {1, 2, |
| 1, 2, |
| 1, 2, |
| 3, 4, |
| 3, 4}); |
| |
| // clang-format on |
| test::ExpectTensorEqual<float>(expected, *GetOutput(0)); |
| } |
| |
| TEST_F(ResizeNearestNeighborOpTest, TestNearest2x2To4x4) { |
| // Input: |
| // 1, 2 |
| // 3, 4 |
| AddInputFromArray<float>(TensorShape({1, 2, 2, 1}), {1, 2, 3, 4}); |
| AddInputFromArray<int32>(TensorShape({2}), {4, 4}); |
| TF_ASSERT_OK(RunOpKernel()); |
| |
| Tensor expected(allocator(), DT_FLOAT, TensorShape({1, 4, 4, 1})); |
| |
| // clang-format off |
| test::FillValues<float>(&expected, |
| {1, 1, 2, 2, |
| 1, 1, 2, 2, |
| 3, 3, 4, 4, |
| 3, 3, 4, 4}); |
| |
| // clang-format on |
| test::ExpectTensorEqual<float>(expected, *GetOutput(0)); |
| } |
| |
| TEST_F(ResizeNearestNeighborOpTest, TestNearest2x2x2x2To2x3x3x2) { |
| // Input: |
| // [ [ 1, 1 ], [ 2, 2], |
| // [ 3, 3 ], [ 4, 4] ], |
| // [ [ 5, 5 ], [ 6, 6], |
| // [ 7, 7 ], [ 8, 8] ] |
| AddInputFromArray<float>(TensorShape({2, 2, 2, 2}), |
| {1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7, 8, 8}); |
| AddInputFromArray<int32>(TensorShape({2}), {3, 3}); |
| TF_ASSERT_OK(RunOpKernel()); |
| |
| Tensor expected(allocator(), DT_FLOAT, TensorShape({2, 3, 3, 2})); |
| |
| // clang-format off |
| test::FillValues<float>(&expected, |
| {1, 1, 1, |
| 1, 2, 2, |
| 1, 1, 1, |
| 1, 2, 2, |
| 3, 3, 3, |
| 3, 4, 4, |
| 5, 5, 5, |
| 5, 6, 6, |
| 5, 5, 5, |
| 5, 6, 6, |
| 7, 7, 7, |
| 7, 8, 8}); |
| |
| // clang-format on |
| test::ExpectTensorEqual<float>(expected, *GetOutput(0)); |
| } |
| |
| TEST_F(ResizeNearestNeighborHalfPixelCentersOpTest, TestNearest5x2To2x2) { |
| // Input: |
| // 1, 2 |
| // 3, 4 |
| AddInputFromArray<float>(TensorShape({1, 2, 5, 1}), |
| {1, 2, 3, 4, 5, 1, 2, 3, 4, 5}); |
| AddInputFromArray<int32>(TensorShape({2}), {2, 2}); |
| TF_ASSERT_OK(RunOpKernel()); |
| |
| Tensor expected(allocator(), DT_FLOAT, TensorShape({1, 2, 2, 1})); |
| |
| // clang-format off |
| test::FillValues<float>(&expected, {2, 4, 2, 4}); |
| |
| // clang-format on |
| test::ExpectTensorEqual<float>(expected, *GetOutput(0)); |
| } |
| |
| TEST_F(ResizeNearestNeighborHalfPixelCentersOpTest, TestNearest2x2To1x1) { |
| // Input: |
| // 1, 2 |
| // 3, 4 |
| AddInputFromArray<float>(TensorShape({1, 2, 2, 1}), {1, 2, 3, 4}); |
| AddInputFromArray<int32>(TensorShape({2}), {1, 1}); |
| TF_ASSERT_OK(RunOpKernel()); |
| |
| Tensor expected(allocator(), DT_FLOAT, TensorShape({1, 1, 1, 1})); |
| |
| // clang-format off |
| test::FillValues<float>(&expected, {4}); |
| |
| // clang-format on |
| test::ExpectTensorEqual<float>(expected, *GetOutput(0)); |
| } |
| |
| TEST_F(ResizeNearestNeighborHalfPixelCentersOpTest, TestNearest2x2To3x3) { |
| // Input: |
| // 1, 2 |
| // 3, 4 |
| AddInputFromArray<float>(TensorShape({1, 2, 2, 1}), {1, 2, 3, 4}); |
| AddInputFromArray<int32>(TensorShape({2}), {3, 3}); |
| TF_ASSERT_OK(RunOpKernel()); |
| |
| Tensor expected(allocator(), DT_FLOAT, TensorShape({1, 3, 3, 1})); |
| |
| // clang-format off |
| test::FillValues<float>(&expected, |
| {1, 2, 2, |
| 3, 4, 4, |
| 3, 4, 4}); |
| |
| // clang-format on |
| test::ExpectTensorEqual<float>(expected, *GetOutput(0)); |
| } |
| |
| TEST_F(ResizeNearestNeighborHalfPixelCentersOpTest, TestNearest3x3To2x2) { |
| // Input: |
| // 1, 2, 3 |
| // 4, 5, 6 |
| // 7, 8, 9 |
| AddInputFromArray<float>(TensorShape({1, 3, 3, 1}), |
| {1, 2, 3, 4, 5, 6, 7, 8, 9}); |
| AddInputFromArray<int32>(TensorShape({2}), {2, 2}); |
| TF_ASSERT_OK(RunOpKernel()); |
| |
| Tensor expected(allocator(), DT_FLOAT, TensorShape({1, 2, 2, 1})); |
| |
| // clang-format off |
| test::FillValues<float>(&expected, |
| {1, 3, |
| 7, 9}); |
| |
| // clang-format on |
| test::ExpectTensorEqual<float>(expected, *GetOutput(0)); |
| } |
| |
| TEST_F(ResizeNearestNeighborHalfPixelCentersOpTest, TestNearest2x2To2x5) { |
| // Input: |
| // 1, 2 |
| // 3, 4 |
| AddInputFromArray<float>(TensorShape({1, 2, 2, 1}), {1, 2, 3, 4}); |
| AddInputFromArray<int32>(TensorShape({2}), {2, 5}); |
| TF_ASSERT_OK(RunOpKernel()); |
| |
| Tensor expected(allocator(), DT_FLOAT, TensorShape({1, 2, 5, 1})); |
| |
| // clang-format off |
| test::FillValues<float>(&expected, |
| {1, 1, 2, 2, 2, |
| 3, 3, 4, 4, 4}); |
| |
| // clang-format on |
| test::ExpectTensorEqual<float>(expected, *GetOutput(0)); |
| } |
| |
| TEST_F(ResizeNearestNeighborHalfPixelCentersOpTest, |
| TestNearestNeighbor4x4To3x3) { |
| // Input: |
| // 1, 2, 3, 4 |
| // 5, 6, 7, 8 |
| // 9, 10, 11, 12 |
| // 13, 14, 15, 16 |
| AddInputFromArray<float>( |
| TensorShape({1, 4, 4, 1}), |
| {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16}); |
| AddInputFromArray<int32>(TensorShape({2}), {3, 3}); |
| TF_ASSERT_OK(RunOpKernel()); |
| |
| Tensor expected(allocator(), DT_FLOAT, TensorShape({1, 3, 3, 1})); |
| |
| // clang-format off |
| test::FillValues<float>(&expected, |
| {1, 3, 4, |
| 9, 11, 12, |
| 13, 15, 16}); |
| |
| // clang-format on |
| test::ExpectTensorEqual<float>(expected, *GetOutput(0)); |
| } |
| |
| TEST_F(ResizeNearestNeighborHalfPixelCentersOpTest, TestNearest2x2To5x2) { |
| // Input: |
| // 1, 2 |
| // 3, 4 |
| AddInputFromArray<float>(TensorShape({1, 2, 2, 1}), {1, 2, 3, 4}); |
| AddInputFromArray<int32>(TensorShape({2}), {5, 2}); |
| TF_ASSERT_OK(RunOpKernel()); |
| |
| Tensor expected(allocator(), DT_FLOAT, TensorShape({1, 5, 2, 1})); |
| |
| // clang-format off |
| test::FillValues<float>(&expected, |
| {1, 2, |
| 1, 2, |
| 3, 4, |
| 3, 4, |
| 3, 4}); |
| |
| // clang-format on |
| test::ExpectTensorEqual<float>(expected, *GetOutput(0)); |
| } |
| |
| TEST_F(ResizeNearestNeighborHalfPixelCentersOpTest, TestNearest2x2To4x4) { |
| // Input: |
| // 1, 2 |
| // 3, 4 |
| AddInputFromArray<float>(TensorShape({1, 2, 2, 1}), {1, 2, 3, 4}); |
| AddInputFromArray<int32>(TensorShape({2}), {4, 4}); |
| TF_ASSERT_OK(RunOpKernel()); |
| |
| Tensor expected(allocator(), DT_FLOAT, TensorShape({1, 4, 4, 1})); |
| |
| // clang-format off |
| test::FillValues<float>(&expected, |
| {1, 1, 2, 2, |
| 1, 1, 2, 2, |
| 3, 3, 4, 4, |
| 3, 3, 4, 4}); |
| |
| // clang-format on |
| test::ExpectTensorEqual<float>(expected, *GetOutput(0)); |
| } |
| |
| TEST_F(ResizeNearestNeighborHalfPixelCentersOpTest, |
| TestNearest2x2x2x2To2x3x3x2) { |
| // Input: |
| // [ [ 1, 1 ], [ 2, 2], |
| // [ 3, 3 ], [ 4, 4] ], |
| // [ [ 5, 5 ], [ 6, 6], |
| // [ 7, 7 ], [ 8, 8] ] |
| AddInputFromArray<float>(TensorShape({2, 2, 2, 2}), |
| {1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7, 8, 8}); |
| AddInputFromArray<int32>(TensorShape({2}), {3, 3}); |
| TF_ASSERT_OK(RunOpKernel()); |
| |
| Tensor expected(allocator(), DT_FLOAT, TensorShape({2, 3, 3, 2})); |
| |
| // clang-format off |
| test::FillValues<float>(&expected, |
| {1, 1, 2, 2, 2, 2, |
| 3, 3, 4, 4, 4, 4, |
| 3, 3, 4, 4, 4, 4, |
| 5, 5, 6, 6, 6, 6, |
| 7, 7, 8, 8, 8, 8, |
| 7, 7, 8, 8, 8, 8}); |
| |
| // clang-format on |
| test::ExpectTensorEqual<float>(expected, *GetOutput(0)); |
| } |
| } // namespace tensorflow |