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opencv/modules/gapi/test/cpu/gapi_imgproc_tests_cpu.cpp
Orest Chura 3fc1c73064
Merge pull request #18510 from OrestChura:oc/boundingRect 
[G-API]: findContours() and boundingRect() Standard Kernels Implementation

* Add findContours() standard kernel
 - API and documentation provided:
   - as OpenCV provides two overloads whether to calculate hierarchy or not, but they differ by only the output in sight of G-API, two different G-API functions and kernels implemented
   - G-API Imgproc documentation divided into more parts according to imgproc module parts
   - some typos connected with division into parts corrected
 - `GArray<GArray<U>>` overload for `get_out` function provided to coonvert correctly into `vector<vector<U>>`
 - OCV backend supported
 - accuracy tests provided

* Add boundingRect() standard kernel
     - API and documentation provided:
       - GOpaque<Rect> used as an output
       - as OpenCV provides two possibilities whether to take a gray-scale image or a set of 2D points (`Point2i` or `Point2f` supported), three different overloads of a single G-API function and three kernels implemented
          - for a gray-scale image the overload via `GMat`
          - for a set of `Point2i` - the one via GArray<`Point2i`>
          - set of `Point2f` -> GArray<`Point2f`>
     - OCV backend supported
     - accuracy tests provided
       - comparison function for Rects provided
     - some typos in `gapi_tests_common` corrected

* Fix precommit windows warnings

* - Addressing comments:
   - split tests
 - Fix Windows warnings

* Static_cast for warnings

* - Remove randomness
 - Fix unnecessary precision losses

* - Forgot reference for RNG

* addressing comments

* equalizeHist -> no group

* `const` addedin new functions

* Address suggestions:
 - Hierarchical -> H
 - added cv::GMatDesc::isVectorPoins()
 - added support of giving a set of points to boundingRect()

* Addressing comments
 - IoU comparison function added for Rects
 - isPointsVector moved from a GMatDesc method to a separate function in imgproc.hpp
 - enums instead of int
 - typos corrected

* Addressing comments
 - findContours: Point offset -> GOpaque<Point>
 - removed "straight" comparison for Rects, IoU available only
 - changed vectors initialization -> fix Debug test run
 - Some typos

* added comment for later upgrades

* Fix not to corrupt docs by FIXME

* Addressing commens
 - overload without offset added (as a temporary workaround)
 - checkMetaForFindingContours -> validateFindingContoursMeta
 - added ostream overload for enums used in tests
2020-11-11 12:13:10 +00:00

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// This file is part of OpenCV project.
// It is subject to the license terms in the LICENSE file found in the top-level directory
// of this distribution and at http://opencv.org/license.html.
//
// Copyright (C) 2018-2020 Intel Corporation
#include "../test_precomp.hpp"
#include "../common/gapi_imgproc_tests.hpp"
#include <opencv2/gapi/cpu/imgproc.hpp>
namespace
{
#define IMGPROC_CPU [] () { return cv::compile_args(cv::gapi::use_only{cv::gapi::imgproc::cpu::kernels()}); }
} // anonymous namespace
namespace opencv_test
{
INSTANTIATE_TEST_CASE_P(Filter2DTestCPU, Filter2DTest,
Combine(Values(CV_8UC1, CV_8UC3, CV_16UC1, CV_16SC1, CV_32FC1),
Values(cv::Size(1280, 720),
cv::Size(640, 480),
cv::Size(128, 128)),
Values(-1, CV_32F),
Values(IMGPROC_CPU),
Values(AbsExact().to_compare_obj()),
Values(cv::Size(3, 3),
cv::Size(4, 4),
cv::Size(5, 5),
cv::Size(7, 7)),
Values(cv::BORDER_DEFAULT)));
INSTANTIATE_TEST_CASE_P(BoxFilterTestCPU, BoxFilterTest,
Combine(Values(CV_8UC1, CV_8UC3, CV_16UC1, CV_16SC1, CV_32FC1),
Values(cv::Size(1280, 720),
cv::Size(640, 480)),
Values(-1, CV_32F),
Values(IMGPROC_CPU),
Values(AbsTolerance(0).to_compare_obj()),
Values(3,5),
Values(cv::BORDER_DEFAULT)));
INSTANTIATE_TEST_CASE_P(SepFilterTestCPU_8U, SepFilterTest,
Combine(Values(CV_8UC1, CV_8UC3),
Values(cv::Size(1280, 720),
cv::Size(640, 480)),
Values(-1, CV_16S, CV_32F),
Values(IMGPROC_CPU),
Values(AbsExact().to_compare_obj()),
Values(3)));
INSTANTIATE_TEST_CASE_P(SepFilterTestCPU_other, SepFilterTest,
Combine(Values(CV_16UC1, CV_16SC1, CV_32FC1),
Values(cv::Size(1280, 720),
cv::Size(640, 480)),
Values(-1, CV_32F),
Values(IMGPROC_CPU),
Values(AbsExact().to_compare_obj()),
Values(3)));
INSTANTIATE_TEST_CASE_P(BlurTestCPU, BlurTest,
Combine(Values(CV_8UC1, CV_8UC3, CV_16UC1, CV_16SC1, CV_32FC1),
Values(cv::Size(1280, 720),
cv::Size(640, 480)),
Values(-1),
Values(IMGPROC_CPU),
Values(AbsTolerance(0.0).to_compare_obj()),
Values(3,5),
Values(cv::BORDER_DEFAULT)));
INSTANTIATE_TEST_CASE_P(gaussBlurTestCPU, GaussianBlurTest,
Combine(Values(CV_8UC1, CV_8UC3, CV_16UC1, CV_16SC1, CV_32FC1),
Values(cv::Size(1280, 720),
cv::Size(640, 480)),
Values(-1),
Values(IMGPROC_CPU),
Values(AbsExact().to_compare_obj()),
Values(3, 5)));
INSTANTIATE_TEST_CASE_P(MedianBlurTestCPU, MedianBlurTest,
Combine(Values(CV_8UC1, CV_8UC3, CV_16UC1, CV_16SC1, CV_32FC1),
Values(cv::Size(1280, 720),
cv::Size(640, 480)),
Values(-1),
Values(IMGPROC_CPU),
Values(AbsExact().to_compare_obj()),
Values(3, 5)));
INSTANTIATE_TEST_CASE_P(ErodeTestCPU, ErodeTest,
Combine(Values(CV_8UC1, CV_8UC3, CV_16UC1, CV_16SC1, CV_32FC1),
Values(cv::Size(1280, 720),
cv::Size(640, 480)),
Values(-1),
Values(IMGPROC_CPU),
Values(AbsExact().to_compare_obj()),
Values(3, 5),
Values(cv::MorphShapes::MORPH_RECT,
cv::MorphShapes::MORPH_CROSS,
cv::MorphShapes::MORPH_ELLIPSE)));
INSTANTIATE_TEST_CASE_P(Erode3x3TestCPU, Erode3x3Test,
Combine(Values(CV_8UC1, CV_8UC3, CV_16UC1, CV_16SC1, CV_32FC1),
Values(cv::Size(1280, 720),
cv::Size(640, 480)),
Values(-1),
Values(IMGPROC_CPU),
Values(AbsExact().to_compare_obj()),
Values(1,2,4)));
INSTANTIATE_TEST_CASE_P(DilateTestCPU, DilateTest,
Combine(Values(CV_8UC1, CV_8UC3, CV_16UC1, CV_16SC1, CV_32FC1),
Values(cv::Size(1280, 720),
cv::Size(640, 480)),
Values(-1),
Values(IMGPROC_CPU),
Values(AbsExact().to_compare_obj()),
Values(3, 5),
Values(cv::MorphShapes::MORPH_RECT,
cv::MorphShapes::MORPH_CROSS,
cv::MorphShapes::MORPH_ELLIPSE)));
INSTANTIATE_TEST_CASE_P(Dilate3x3TestCPU, Dilate3x3Test,
Combine(Values(CV_8UC1, CV_8UC3, CV_16UC1, CV_16SC1, CV_32FC1),
Values(cv::Size(1280, 720),
cv::Size(640, 480)),
Values(-1),
Values(IMGPROC_CPU),
Values(AbsExact().to_compare_obj()),
Values(1,2,4)));
INSTANTIATE_TEST_CASE_P(MorphologyExTestCPU, MorphologyExTest,
Combine(Values(CV_8UC1, CV_8UC3, CV_16UC1, CV_16SC1, CV_32FC1),
Values(cv::Size(1280, 720),
cv::Size(640, 480)),
Values(-1),
Values(IMGPROC_CPU),
Values(AbsExact().to_compare_obj()),
Values(cv::MorphTypes::MORPH_ERODE,
cv::MorphTypes::MORPH_DILATE,
cv::MorphTypes::MORPH_OPEN,
cv::MorphTypes::MORPH_CLOSE,
cv::MorphTypes::MORPH_GRADIENT,
cv::MorphTypes::MORPH_TOPHAT,
cv::MorphTypes::MORPH_BLACKHAT)));
INSTANTIATE_TEST_CASE_P(MorphologyExHitMissTestCPU, MorphologyExTest,
Combine(Values(CV_8UC1),
Values(cv::Size(1280, 720),
cv::Size(640, 480)),
Values(-1),
Values(IMGPROC_CPU),
Values(AbsExact().to_compare_obj()),
Values(cv::MorphTypes::MORPH_HITMISS)));
INSTANTIATE_TEST_CASE_P(SobelTestCPU, SobelTest,
Combine(Values(CV_8UC1, CV_8UC3, CV_16UC1, CV_16SC1),
Values(cv::Size(1280, 720),
cv::Size(640, 480)),
Values(-1, CV_16S, CV_32F),
Values(IMGPROC_CPU),
Values(AbsExact().to_compare_obj()),
Values(3, 5),
Values(0, 1),
Values(1, 2)));
INSTANTIATE_TEST_CASE_P(SobelTestCPU32F, SobelTest,
Combine(Values(CV_32FC1),
Values(cv::Size(1280, 720),
cv::Size(640, 480)),
Values(CV_32F),
Values(IMGPROC_CPU),
Values(AbsExact().to_compare_obj()),
Values(3, 5),
Values(0, 1),
Values(1, 2)));
INSTANTIATE_TEST_CASE_P(SobelXYTestCPU, SobelXYTest,
Combine(Values(CV_8UC1, CV_8UC3, CV_16UC1, CV_16SC1),
Values(cv::Size(1280, 720),
cv::Size(640, 480)),
Values(-1, CV_16S, CV_32F),
Values(IMGPROC_CPU),
Values(AbsExact().to_compare_obj()),
Values(3, 5),
Values(1, 2),
Values(BORDER_CONSTANT, BORDER_REPLICATE, BORDER_REFLECT),
Values(0, 1, 255)));
INSTANTIATE_TEST_CASE_P(SobelXYTestCPU32F, SobelXYTest,
Combine(Values(CV_32FC1),
Values(cv::Size(1280, 720),
cv::Size(640, 480)),
Values(CV_32F),
Values(IMGPROC_CPU),
Values(AbsExact().to_compare_obj()),
Values(3, 5),
Values(1, 2),
Values(BORDER_CONSTANT, BORDER_REPLICATE, BORDER_REFLECT),
Values(0, 1, 255)));
INSTANTIATE_TEST_CASE_P(LaplacianTestCPU, LaplacianTest,
Combine(Values(CV_8UC1, CV_8UC3, CV_16UC1, CV_16SC1),
Values(cv::Size(1280, 720),
cv::Size(640, 480)),
Values(-1),
Values(IMGPROC_CPU),
Values(AbsExact().to_compare_obj()),
Values(1, 3),
Values(0.2, 1.0),
Values(BORDER_CONSTANT, BORDER_REPLICATE, BORDER_REFLECT)));
INSTANTIATE_TEST_CASE_P(BilateralFilterTestCPU, BilateralFilterTest,
Combine(Values(CV_32FC1, CV_32FC3, CV_8UC1, CV_8UC3),
Values(cv::Size(1280, 720),
cv::Size(640, 480)),
Values(-1),
Values(IMGPROC_CPU),
Values(AbsExact().to_compare_obj()),
Values(3, 5),
Values(20),
Values(10),
Values(BORDER_CONSTANT, BORDER_REPLICATE, BORDER_REFLECT)));
INSTANTIATE_TEST_CASE_P(EqHistTestCPU, EqHistTest,
Combine(Values(CV_8UC1),
Values(cv::Size(1280, 720),
cv::Size(640, 480)),
Values(CV_8UC1),
Values(IMGPROC_CPU),
Values(AbsExact().to_compare_obj())));
INSTANTIATE_TEST_CASE_P(CannyTestCPU, CannyTest,
Combine(Values(CV_8UC1, CV_8UC3),
Values(cv::Size(1280, 720),
cv::Size(640, 480)),
Values(CV_8UC1),
Values(IMGPROC_CPU),
Values(AbsSimilarPoints(0, 0.05).to_compare_obj()),
Values(3.0, 120.0),
Values(125.0, 240.0),
Values(3, 5),
testing::Bool()));
INSTANTIATE_TEST_CASE_P(GoodFeaturesTestCPU, GoodFeaturesTest,
Combine(Values(IMGPROC_CPU),
Values(AbsExactVector<cv::Point2f>().to_compare_obj()),
Values("cv/shared/fruits.png"),
Values(CV_32FC1, CV_8UC1),
Values(50, 100),
Values(0.01),
Values(10.0),
Values(3),
testing::Bool()));
INSTANTIATE_TEST_CASE_P(GoodFeaturesInternalTestCPU, GoodFeaturesTest,
Combine(Values(IMGPROC_CPU),
Values(AbsExactVector<cv::Point2f>().to_compare_obj()),
Values("cv/cascadeandhog/images/audrybt1.png"),
Values(CV_32FC1, CV_8UC1),
Values(100),
Values(0.0000001),
Values(5.0),
Values(3),
Values(true)));
INSTANTIATE_TEST_CASE_P(FindContoursNoOffsetTestCPU, FindContoursNoOffsetTest,
Combine(Values(IMGPROC_CPU),
Values(cv::Size(1280, 720)),
Values(CV_8UC1),
Values(RETR_EXTERNAL),
Values(CHAIN_APPROX_NONE)));
INSTANTIATE_TEST_CASE_P(FindContoursOffsetTestCPU, FindContoursOffsetTest,
Values(IMGPROC_CPU));
INSTANTIATE_TEST_CASE_P(FindContoursHNoOffsetTestCPU, FindContoursHNoOffsetTest,
Combine(Values(IMGPROC_CPU),
Values(cv::Size(1280, 720),
cv::Size(640, 480)),
Values(CV_8UC1),
Values(RETR_EXTERNAL, RETR_LIST, RETR_CCOMP, RETR_TREE),
Values(CHAIN_APPROX_NONE, CHAIN_APPROX_SIMPLE,
CHAIN_APPROX_TC89_L1, CHAIN_APPROX_TC89_KCOS)));
INSTANTIATE_TEST_CASE_P(FindContoursHNoOffset32STestCPU, FindContoursHNoOffsetTest,
Combine(Values(IMGPROC_CPU),
Values(cv::Size(1280, 720),
cv::Size(640, 480)),
Values(CV_32SC1),
Values(RETR_CCOMP, RETR_FLOODFILL),
Values(CHAIN_APPROX_NONE, CHAIN_APPROX_SIMPLE,
CHAIN_APPROX_TC89_L1, CHAIN_APPROX_TC89_KCOS)));
INSTANTIATE_TEST_CASE_P(FindContoursHOffsetTestCPU, FindContoursHOffsetTest,
Values(IMGPROC_CPU));
INSTANTIATE_TEST_CASE_P(BoundingRectMatTestCPU, BoundingRectMatTest,
Combine(Values( CV_8UC1 ),
Values(cv::Size(1280, 720),
cv::Size(640, 480),
cv::Size(128, 128)),
Values(-1),
Values(IMGPROC_CPU),
Values(IoUToleranceRect(0).to_compare_obj())));
INSTANTIATE_TEST_CASE_P(BoundingRectMatVector32STestCPU, BoundingRectMatVector32STest,
Combine(Values(-1),
Values(cv::Size(1280, 1),
cv::Size(128, 1)),
Values(-1),
Values(IMGPROC_CPU),
Values(IoUToleranceRect(0).to_compare_obj())));
INSTANTIATE_TEST_CASE_P(BoundingRectMatVector32FTestCPU, BoundingRectMatVector32FTest,
Combine(Values(-1),
Values(cv::Size(1280, 1),
cv::Size(128, 1)),
Values(-1),
Values(IMGPROC_CPU),
Values(IoUToleranceRect(1e-5).to_compare_obj())));
INSTANTIATE_TEST_CASE_P(BoundingRectVector32STestCPU, BoundingRectVector32STest,
Combine(Values(-1),
Values(cv::Size(1280, 1),
cv::Size(128, 1)),
Values(-1),
Values(IMGPROC_CPU),
Values(IoUToleranceRect(0).to_compare_obj())));
INSTANTIATE_TEST_CASE_P(BoundingRectVector32FTestCPU, BoundingRectVector32FTest,
Combine(Values(-1),
Values(cv::Size(1280, 1),
cv::Size(128, 1)),
Values(-1),
Values(IMGPROC_CPU),
Values(IoUToleranceRect(1e-5).to_compare_obj())));
INSTANTIATE_TEST_CASE_P(BGR2RGBTestCPU, BGR2RGBTest,
Combine(Values(CV_8UC3),
Values(cv::Size(1280, 720),
cv::Size(640, 480)),
Values(CV_8UC3),
Values(IMGPROC_CPU),
Values(AbsExact().to_compare_obj())));
INSTANTIATE_TEST_CASE_P(RGB2GrayTestCPU, RGB2GrayTest,
Combine(Values(CV_8UC3),
Values(cv::Size(1280, 720),
cv::Size(640, 480)),
Values(CV_8UC1),
Values(IMGPROC_CPU),
Values(AbsExact().to_compare_obj())));
INSTANTIATE_TEST_CASE_P(BGR2GrayTestCPU, BGR2GrayTest,
Combine(Values(CV_8UC3),
Values(cv::Size(1280, 720),
cv::Size(640, 480)),
Values(CV_8UC1),
Values(IMGPROC_CPU),
Values(AbsExact().to_compare_obj())));
INSTANTIATE_TEST_CASE_P(RGB2YUVTestCPU, RGB2YUVTest,
Combine(Values(CV_8UC3),
Values(cv::Size(1280, 720),
cv::Size(640, 480)),
Values(CV_8UC3),
Values(IMGPROC_CPU),
Values(AbsExact().to_compare_obj())));
INSTANTIATE_TEST_CASE_P(YUV2RGBTestCPU, YUV2RGBTest,
Combine(Values(CV_8UC3),
Values(cv::Size(1280, 720),
cv::Size(640, 480)),
Values(CV_8UC3),
Values(IMGPROC_CPU),
Values(AbsExact().to_compare_obj())));
INSTANTIATE_TEST_CASE_P(BGR2I420TestCPU, BGR2I420Test,
Combine(Values(CV_8UC3),
Values(cv::Size(1280, 720),
cv::Size(640, 480)),
Values(CV_8UC1),
Values(IMGPROC_CPU),
Values(AbsExact().to_compare_obj())));
INSTANTIATE_TEST_CASE_P(RGB2I420TestCPU, RGB2I420Test,
Combine(Values(CV_8UC3),
Values(cv::Size(1280, 720),
cv::Size(640, 480)),
Values(CV_8UC1),
Values(IMGPROC_CPU),
Values(AbsExact().to_compare_obj())));
INSTANTIATE_TEST_CASE_P(I4202BGRTestCPU, I4202BGRTest,
Combine(Values(CV_8UC1),
Values(cv::Size(1280, 720),
cv::Size(640, 480)),
Values(CV_8UC3),
Values(IMGPROC_CPU),
Values(AbsExact().to_compare_obj())));
INSTANTIATE_TEST_CASE_P(I4202RGBTestCPU, I4202RGBTest,
Combine(Values(CV_8UC1),
Values(cv::Size(1280, 720),
cv::Size(640, 480)),
Values(CV_8UC3),
Values(IMGPROC_CPU),
Values(AbsExact().to_compare_obj())));
INSTANTIATE_TEST_CASE_P(NV12toRGBTestCPU, NV12toRGBTest,
Combine(Values(CV_8UC1),
Values(cv::Size(1280, 720),
cv::Size(640, 480)),
Values(CV_8UC3),
Values(IMGPROC_CPU),
Values(AbsExact().to_compare_obj())));
INSTANTIATE_TEST_CASE_P(NV12toBGRTestCPU, NV12toBGRTest,
Combine(Values(CV_8UC1),
Values(cv::Size(1280, 720),
cv::Size(640, 480)),
Values(CV_8UC3),
Values(IMGPROC_CPU),
Values(AbsExact().to_compare_obj())));
INSTANTIATE_TEST_CASE_P(NV12toGrayTestCPU, NV12toGrayTest,
Combine(Values(CV_8UC1),
Values(cv::Size(1280, 720),
cv::Size(640, 480)),
Values(CV_8UC1),
Values(IMGPROC_CPU),
Values(AbsExact().to_compare_obj())));
INSTANTIATE_TEST_CASE_P(NV12toRGBpTestCPU, NV12toRGBpTest,
Combine(Values(CV_8UC1),
Values(cv::Size(1280, 720),
cv::Size(640, 480)),
Values(CV_8UC1),
Values(IMGPROC_CPU),
Values(AbsExact().to_compare_obj())));
INSTANTIATE_TEST_CASE_P(NV12toBGRpTestCPU, NV12toBGRpTest,
Combine(Values(CV_8UC1),
Values(cv::Size(1280, 720),
cv::Size(640, 480)),
Values(CV_8UC3),
Values(IMGPROC_CPU),
Values(AbsExact().to_compare_obj())));
INSTANTIATE_TEST_CASE_P(RGB2LabTestCPU, RGB2LabTest,
Combine(Values(CV_8UC3),
Values(cv::Size(1280, 720),
cv::Size(640, 480)),
Values(CV_8UC3),
Values(IMGPROC_CPU),
Values(AbsExact().to_compare_obj())));
INSTANTIATE_TEST_CASE_P(BGR2LUVTestCPU, BGR2LUVTest,
Combine(Values(CV_8UC3),
Values(cv::Size(1280, 720),
cv::Size(640, 480)),
Values(CV_8UC3),
Values(IMGPROC_CPU),
Values(AbsExact().to_compare_obj())));
INSTANTIATE_TEST_CASE_P(LUV2BGRTestCPU, LUV2BGRTest,
Combine(Values(CV_8UC3),
Values(cv::Size(1280, 720),
cv::Size(640, 480)),
Values(CV_8UC3),
Values(IMGPROC_CPU),
Values(AbsExact().to_compare_obj())));
INSTANTIATE_TEST_CASE_P(BGR2YUVTestCPU, BGR2YUVTest,
Combine(Values(CV_8UC3),
Values(cv::Size(1280, 720),
cv::Size(640, 480)),
Values(CV_8UC3),
Values(IMGPROC_CPU),
Values(AbsExact().to_compare_obj())));
INSTANTIATE_TEST_CASE_P(YUV2BGRTestCPU, YUV2BGRTest,
Combine(Values(CV_8UC3),
Values(cv::Size(1280, 720),
cv::Size(640, 480)),
Values(CV_8UC3),
Values(IMGPROC_CPU),
Values(AbsExact().to_compare_obj())));
INSTANTIATE_TEST_CASE_P(RGB2HSVTestCPU, RGB2HSVTest,
Combine(Values(CV_8UC3),
Values(cv::Size(1280, 720),
cv::Size(640, 480)),
Values(CV_8UC3),
Values(IMGPROC_CPU),
Values(AbsExact().to_compare_obj())));
INSTANTIATE_TEST_CASE_P(BayerGR2RGBTestCPU, BayerGR2RGBTest,
Combine(Values(CV_8UC1),
Values(cv::Size(1280, 720),
cv::Size(640, 480)),
Values(CV_8UC3),
Values(IMGPROC_CPU),
Values(AbsExact().to_compare_obj())));
INSTANTIATE_TEST_CASE_P(RGB2YUV422TestCPU, RGB2YUV422Test,
Combine(Values(CV_8UC3),
Values(cv::Size(1280, 720),
cv::Size(640, 480)),
Values(CV_8UC2),
Values(IMGPROC_CPU),
Values(AbsTolerance(1).to_compare_obj())));
} // opencv_test
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