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3rdparty/opencv-4.5.4/modules/gapi/test/gapi_scalar_tests.cpp 2.87 KB
f4334277   Hu Chunming   提交3rdparty
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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 Intel Corporation
  
  
  #include "test_precomp.hpp"
  
  #include <iostream>
  
  namespace opencv_test
  {
  
  TEST(GAPI_Scalar, Argument)
  {
      cv::Size sz(2, 2);
      cv::Mat in_mat(sz, CV_8U);
      cv::randn(in_mat, cv::Scalar::all(127), cv::Scalar::all(40.f));
  
      cv::GComputationT<cv::GMat (cv::GMat, cv::GScalar)> mulS([](cv::GMat in, cv::GScalar c)
      {
          return in*c;
      });
  
      cv::Mat out_mat(sz, CV_8U);
      mulS.apply(in_mat, cv::Scalar(2), out_mat);
  
      cv::Mat reference = in_mat*2;
      EXPECT_EQ(0, cvtest::norm(out_mat, reference, NORM_INF));
  }
  
  TEST(GAPI_Scalar, ReturnValue)
  {
      const cv::Size sz(2, 2);
      cv::Mat in_mat(sz, CV_8U, cv::Scalar(1));
  
      cv::GComputationT<cv::GScalar (cv::GMat)> sum_of_sum([](cv::GMat in)
      {
          return cv::gapi::sum(in + in);
      });
  
      cv::Scalar out;
      sum_of_sum.apply(in_mat, out);
  
      EXPECT_EQ(8, out[0]);
  }
  
  TEST(GAPI_Scalar, TmpScalar)
  {
      const cv::Size sz(2, 2);
      cv::Mat in_mat(sz, CV_8U, cv::Scalar(1));
  
      cv::GComputationT<cv::GMat (cv::GMat)> mul_by_sum([](cv::GMat in)
      {
          return in * cv::gapi::sum(in);
      });
  
      cv::Mat out_mat(sz, CV_8U);
      mul_by_sum.apply(in_mat, out_mat);
  
      cv::Mat reference = cv::Mat(sz, CV_8U, cv::Scalar(4));
      EXPECT_EQ(0, cvtest::norm(out_mat, reference, NORM_INF));
  }
  
  TEST(GAPI_ScalarWithValue, Simple_Arithmetic_Pipeline)
  {
      GMat in;
      GMat out = (in + 1) * 2;
      cv::GComputation comp(in, out);
  
      cv::Mat in_mat  = cv::Mat::eye(3, 3, CV_8UC1);
      cv::Mat ref_mat, out_mat;
  
      ref_mat = (in_mat + 1) * 2;
      comp.apply(in_mat, out_mat);
  
      EXPECT_EQ(0, cvtest::norm(out_mat, ref_mat, NORM_INF));
  }
  
  TEST(GAPI_ScalarWithValue, GScalar_Initilization)
  {
      cv::Scalar sc(2);
      cv::GMat in;
      cv::GScalar s(sc);
      cv::GComputation comp(in, cv::gapi::mulC(in, s));
  
      cv::Mat in_mat = cv::Mat::eye(3, 3, CV_8UC1);
      cv::Mat ref_mat, out_mat;
      cv::multiply(in_mat, sc, ref_mat, 1, CV_8UC1);
      comp.apply(cv::gin(in_mat), cv::gout(out_mat));
  
      EXPECT_EQ(0, cvtest::norm(out_mat, ref_mat, NORM_INF));
  }
  
  TEST(GAPI_ScalarWithValue, Constant_GScalar_In_Middle_Graph)
  {
      cv::Scalar  sc(5);
      cv::GMat    in1;
      cv::GScalar in2;
      cv::GScalar s(sc);
  
      auto add_out = cv::gapi::addC(in1, in2);
      cv::GComputation comp(cv::GIn(in1, in2), cv::GOut(cv::gapi::mulC(add_out, s)));
  
      cv::Mat    in_mat = cv::Mat::eye(3, 3, CV_8UC1);
      cv::Scalar in_scalar(3);
  
      cv::Mat ref_mat, out_mat, add_mat;
      cv::add(in_mat, in_scalar, add_mat);
      cv::multiply(add_mat, sc, ref_mat, 1, CV_8UC1);
      comp.apply(cv::gin(in_mat, in_scalar), cv::gout(out_mat));
  
      EXPECT_EQ(0, cvtest::norm(out_mat, ref_mat, NORM_INF));
  }
  
  } // namespace opencv_test