502 lines
16 KiB
C++
502 lines
16 KiB
C++
/*M///////////////////////////////////////////////////////////////////////////////////////
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//
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// IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
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//
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// By downloading, copying, installing or using the software you agree to this license.
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// If you do not agree to this license, do not download, install,
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// copy or use the software.
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//
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//
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// Intel License Agreement
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// For Open Source Computer Vision Library
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//
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// Copyright (C) 2000, Intel Corporation, all rights reserved.
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// Third party copyrights are property of their respective owners.
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//
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// Redistribution and use in source and binary forms, with or without modification,
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// are permitted provided that the following conditions are met:
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//
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// * Redistribution's of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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//
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// * Redistribution's in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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//
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// * The name of Intel Corporation may not be used to endorse or promote products
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// derived from this software without specific prior written permission.
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//
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// This software is provided by the copyright holders and contributors "as is" and
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// any express or implied warranties, including, but not limited to, the implied
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// warranties of merchantability and fitness for a particular purpose are disclaimed.
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// In no event shall the Intel Corporation or contributors be liable for any direct,
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// indirect, incidental, special, exemplary, or consequential damages
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// (including, but not limited to, procurement of substitute goods or services;
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// loss of use, data, or profits; or business interruption) however caused
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// and on any theory of liability, whether in contract, strict liability,
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// or tort (including negligence or otherwise) arising in any way out of
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// the use of this software, even if advised of the possibility of such damage.
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//
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//M*/
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#include "test_precomp.hpp"
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namespace opencv_test { namespace {
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///////////////////// base MHI class ///////////////////////
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class CV_MHIBaseTest : public cvtest::ArrayTest
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{
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public:
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CV_MHIBaseTest();
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protected:
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void get_test_array_types_and_sizes( int test_case_idx, vector<vector<Size> >& sizes, vector<vector<int> >& types );
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void get_minmax_bounds( int i, int j, int type, Scalar& low, Scalar& high );
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int prepare_test_case( int test_case_idx );
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double timestamp, duration, max_log_duration;
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int mhi_i, mhi_ref_i;
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double silh_ratio;
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};
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CV_MHIBaseTest::CV_MHIBaseTest()
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{
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timestamp = duration = 0;
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max_log_duration = 9;
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mhi_i = mhi_ref_i = -1;
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silh_ratio = 0.25;
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}
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void CV_MHIBaseTest::get_minmax_bounds( int i, int j, int type, Scalar& low, Scalar& high )
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{
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cvtest::ArrayTest::get_minmax_bounds( i, j, type, low, high );
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if( i == INPUT && CV_MAT_DEPTH(type) == CV_8U )
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{
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low = Scalar::all(cvRound(-1./silh_ratio)+2.);
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high = Scalar::all(2);
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}
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else if( i == mhi_i || i == mhi_ref_i )
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{
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low = Scalar::all(-exp(max_log_duration));
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high = Scalar::all(0.);
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}
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}
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void CV_MHIBaseTest::get_test_array_types_and_sizes( int test_case_idx,
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vector<vector<Size> >& sizes, vector<vector<int> >& types )
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{
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RNG& rng = ts->get_rng();
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cvtest::ArrayTest::get_test_array_types_and_sizes( test_case_idx, sizes, types );
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types[INPUT][0] = CV_8UC1;
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types[mhi_i][0] = types[mhi_ref_i][0] = CV_32FC1;
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duration = exp(cvtest::randReal(rng)*max_log_duration);
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timestamp = duration + cvtest::randReal(rng)*30.-10.;
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}
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int CV_MHIBaseTest::prepare_test_case( int test_case_idx )
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{
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int code = cvtest::ArrayTest::prepare_test_case( test_case_idx );
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if( code > 0 )
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{
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Mat& mat = test_mat[mhi_i][0];
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mat += Scalar::all(duration);
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cv::max(mat, 0, mat);
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if( mhi_i != mhi_ref_i )
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{
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Mat& mat0 = test_mat[mhi_ref_i][0];
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cvtest::copy( mat, mat0 );
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}
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}
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return code;
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}
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///////////////////// update motion history ////////////////////////////
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static void test_updateMHI( const Mat& silh, Mat& mhi, double timestamp, double duration )
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{
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int i, j;
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float delbound = (float)(timestamp - duration);
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for( i = 0; i < mhi.rows; i++ )
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{
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const uchar* silh_row = silh.ptr(i);
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float* mhi_row = mhi.ptr<float>(i);
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for( j = 0; j < mhi.cols; j++ )
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{
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if( silh_row[j] )
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mhi_row[j] = (float)timestamp;
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else if( mhi_row[j] < delbound )
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mhi_row[j] = 0.f;
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}
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}
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}
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class CV_UpdateMHITest : public CV_MHIBaseTest
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{
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public:
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CV_UpdateMHITest();
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protected:
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double get_success_error_level( int test_case_idx, int i, int j );
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void run_func();
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void prepare_to_validation( int );
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};
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CV_UpdateMHITest::CV_UpdateMHITest()
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{
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test_array[INPUT].push_back(NULL);
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test_array[INPUT_OUTPUT].push_back(NULL);
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test_array[REF_INPUT_OUTPUT].push_back(NULL);
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mhi_i = INPUT_OUTPUT; mhi_ref_i = REF_INPUT_OUTPUT;
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}
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double CV_UpdateMHITest::get_success_error_level( int /*test_case_idx*/, int /*i*/, int /*j*/ )
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{
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return 0;
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}
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void CV_UpdateMHITest::run_func()
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{
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cv::motempl::updateMotionHistory( test_mat[INPUT][0], test_mat[INPUT_OUTPUT][0], timestamp, duration);
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}
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void CV_UpdateMHITest::prepare_to_validation( int /*test_case_idx*/ )
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{
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//CvMat m0 = test_mat[REF_INPUT_OUTPUT][0];
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test_updateMHI( test_mat[INPUT][0], test_mat[REF_INPUT_OUTPUT][0], timestamp, duration );
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}
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///////////////////// calc motion gradient ////////////////////////////
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static void test_MHIGradient( const Mat& mhi, Mat& mask, Mat& orientation,
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double delta1, double delta2, int aperture_size )
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{
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Point anchor( aperture_size/2, aperture_size/2 );
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double limit = 1e-4*aperture_size*aperture_size;
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Mat dx, dy, min_mhi, max_mhi;
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Mat kernel = cvtest::calcSobelKernel2D( 1, 0, aperture_size );
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cvtest::filter2D( mhi, dx, CV_32F, kernel, anchor, 0, BORDER_REPLICATE );
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kernel = cvtest::calcSobelKernel2D( 0, 1, aperture_size );
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cvtest::filter2D( mhi, dy, CV_32F, kernel, anchor, 0, BORDER_REPLICATE );
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kernel = Mat::ones(aperture_size, aperture_size, CV_8U);
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cvtest::erode(mhi, min_mhi, kernel, anchor, 0, BORDER_REPLICATE);
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cvtest::dilate(mhi, max_mhi, kernel, anchor, 0, BORDER_REPLICATE);
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if( delta1 > delta2 )
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{
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std::swap( delta1, delta2 );
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}
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for( int i = 0; i < mhi.rows; i++ )
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{
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uchar* mask_row = mask.ptr(i);
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float* orient_row = orientation.ptr<float>(i);
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const float* dx_row = dx.ptr<float>(i);
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const float* dy_row = dy.ptr<float>(i);
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const float* min_row = min_mhi.ptr<float>(i);
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const float* max_row = max_mhi.ptr<float>(i);
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for( int j = 0; j < mhi.cols; j++ )
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{
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double delta = max_row[j] - min_row[j];
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double _dx = dx_row[j], _dy = dy_row[j];
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if( delta1 <= delta && delta <= delta2 &&
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(fabs(_dx) > limit || fabs(_dy) > limit) )
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{
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mask_row[j] = 1;
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double angle = atan2( _dy, _dx ) * (180/CV_PI);
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if( angle < 0 )
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angle += 360.;
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orient_row[j] = (float)angle;
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}
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else
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{
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mask_row[j] = 0;
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orient_row[j] = 0.f;
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}
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}
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}
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}
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class CV_MHIGradientTest : public CV_MHIBaseTest
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{
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public:
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CV_MHIGradientTest();
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protected:
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void get_test_array_types_and_sizes( int test_case_idx, vector<vector<Size> >& sizes, vector<vector<int> >& types );
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double get_success_error_level( int test_case_idx, int i, int j );
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void run_func();
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void prepare_to_validation( int );
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double delta1, delta2, delta_range_log;
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int aperture_size;
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};
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CV_MHIGradientTest::CV_MHIGradientTest()
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{
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mhi_i = mhi_ref_i = INPUT;
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test_array[INPUT].push_back(NULL);
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test_array[OUTPUT].push_back(NULL);
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test_array[OUTPUT].push_back(NULL);
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test_array[REF_OUTPUT].push_back(NULL);
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test_array[REF_OUTPUT].push_back(NULL);
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delta1 = delta2 = 0;
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aperture_size = 0;
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delta_range_log = 4;
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}
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void CV_MHIGradientTest::get_test_array_types_and_sizes( int test_case_idx, vector<vector<Size> >& sizes, vector<vector<int> >& types )
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{
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RNG& rng = ts->get_rng();
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CV_MHIBaseTest::get_test_array_types_and_sizes( test_case_idx, sizes, types );
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types[OUTPUT][0] = types[REF_OUTPUT][0] = CV_8UC1;
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types[OUTPUT][1] = types[REF_OUTPUT][1] = CV_32FC1;
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delta1 = exp(cvtest::randReal(rng)*delta_range_log + 1.);
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delta2 = exp(cvtest::randReal(rng)*delta_range_log + 1.);
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aperture_size = (cvtest::randInt(rng)%3)*2+3;
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//duration = exp(cvtest::randReal(rng)*max_log_duration);
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//timestamp = duration + cvtest::randReal(rng)*30.-10.;
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}
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double CV_MHIGradientTest::get_success_error_level( int /*test_case_idx*/, int /*i*/, int j )
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{
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return j == 0 ? 0 : 2e-1;
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}
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void CV_MHIGradientTest::run_func()
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{
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cv::motempl::calcMotionGradient(test_mat[INPUT][0], test_mat[OUTPUT][0],
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test_mat[OUTPUT][1], delta1, delta2, aperture_size );
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//cvCalcMotionGradient( test_array[INPUT][0], test_array[OUTPUT][0],
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// test_array[OUTPUT][1], delta1, delta2, aperture_size );
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}
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void CV_MHIGradientTest::prepare_to_validation( int /*test_case_idx*/ )
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{
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test_MHIGradient( test_mat[INPUT][0], test_mat[REF_OUTPUT][0],
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test_mat[REF_OUTPUT][1], delta1, delta2, aperture_size );
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test_mat[REF_OUTPUT][0] += Scalar::all(1);
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test_mat[OUTPUT][0] += Scalar::all(1);
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}
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////////////////////// calc global orientation /////////////////////////
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static double test_calcGlobalOrientation( const Mat& orient, const Mat& mask,
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const Mat& mhi, double timestamp, double duration )
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{
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const int HIST_SIZE = 12;
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int y, x;
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int histogram[HIST_SIZE];
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int max_bin = 0;
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double base_orientation = 0, delta_orientation = 0, weight = 0;
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double low_time, global_orientation;
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memset( histogram, 0, sizeof( histogram ));
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timestamp = 0;
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for( y = 0; y < orient.rows; y++ )
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{
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const float* orient_data = orient.ptr<float>(y);
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const uchar* mask_data = mask.ptr(y);
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const float* mhi_data = mhi.ptr<float>(y);
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for( x = 0; x < orient.cols; x++ )
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if( mask_data[x] )
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{
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int bin = cvFloor( (orient_data[x]*HIST_SIZE)/360 );
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histogram[bin < 0 ? 0 : bin >= HIST_SIZE ? HIST_SIZE-1 : bin]++;
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if( mhi_data[x] > timestamp )
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timestamp = mhi_data[x];
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}
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}
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low_time = timestamp - duration;
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for( x = 1; x < HIST_SIZE; x++ )
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{
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if( histogram[x] > histogram[max_bin] )
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max_bin = x;
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}
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base_orientation = ((double)max_bin*360)/HIST_SIZE;
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for( y = 0; y < orient.rows; y++ )
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{
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const float* orient_data = orient.ptr<float>(y);
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const float* mhi_data = mhi.ptr<float>(y);
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const uchar* mask_data = mask.ptr(y);
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for( x = 0; x < orient.cols; x++ )
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{
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if( mask_data[x] && mhi_data[x] > low_time )
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{
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double diff = orient_data[x] - base_orientation;
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double delta_weight = (((mhi_data[x] - low_time)/duration)*254 + 1)/255;
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if( diff < -180 ) diff += 360;
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if( diff > 180 ) diff -= 360;
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if( delta_weight > 0 && fabs(diff) < 45 )
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{
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delta_orientation += diff*delta_weight;
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weight += delta_weight;
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}
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}
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}
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}
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if( weight == 0 )
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global_orientation = base_orientation;
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else
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{
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global_orientation = base_orientation + delta_orientation/weight;
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if( global_orientation < 0 ) global_orientation += 360;
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if( global_orientation > 360 ) global_orientation -= 360;
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}
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return global_orientation;
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}
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class CV_MHIGlobalOrientTest : public CV_MHIBaseTest
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{
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public:
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CV_MHIGlobalOrientTest();
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protected:
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void get_test_array_types_and_sizes( int test_case_idx, vector<vector<Size> >& sizes, vector<vector<int> >& types );
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void get_minmax_bounds( int i, int j, int type, Scalar& low, Scalar& high );
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double get_success_error_level( int test_case_idx, int i, int j );
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int validate_test_results( int test_case_idx );
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void run_func();
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double angle, min_angle, max_angle;
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};
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CV_MHIGlobalOrientTest::CV_MHIGlobalOrientTest()
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{
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mhi_i = mhi_ref_i = INPUT;
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test_array[INPUT].push_back(NULL);
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test_array[INPUT].push_back(NULL);
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test_array[INPUT].push_back(NULL);
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min_angle = max_angle = 0;
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}
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void CV_MHIGlobalOrientTest::get_test_array_types_and_sizes( int test_case_idx, vector<vector<Size> >& sizes, vector<vector<int> >& types )
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{
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RNG& rng = ts->get_rng();
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CV_MHIBaseTest::get_test_array_types_and_sizes( test_case_idx, sizes, types );
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Size size = sizes[INPUT][0];
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size.width = MAX( size.width, 16 );
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size.height = MAX( size.height, 16 );
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sizes[INPUT][0] = sizes[INPUT][1] = sizes[INPUT][2] = size;
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types[INPUT][1] = CV_8UC1; // mask
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types[INPUT][2] = CV_32FC1; // orientation
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min_angle = cvtest::randReal(rng)*359.9;
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max_angle = cvtest::randReal(rng)*359.9;
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if( min_angle >= max_angle )
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{
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std::swap( min_angle, max_angle);
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}
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max_angle += 0.1;
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duration = exp(cvtest::randReal(rng)*max_log_duration);
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timestamp = duration + cvtest::randReal(rng)*30.-10.;
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}
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void CV_MHIGlobalOrientTest::get_minmax_bounds( int i, int j, int type, Scalar& low, Scalar& high )
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{
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CV_MHIBaseTest::get_minmax_bounds( i, j, type, low, high );
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if( i == INPUT && j == 2 )
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{
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low = Scalar::all(min_angle);
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high = Scalar::all(max_angle);
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}
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}
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double CV_MHIGlobalOrientTest::get_success_error_level( int /*test_case_idx*/, int /*i*/, int /*j*/ )
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{
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return 15;
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}
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void CV_MHIGlobalOrientTest::run_func()
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{
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//angle = cvCalcGlobalOrientation( test_array[INPUT][2], test_array[INPUT][1],
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// test_array[INPUT][0], timestamp, duration );
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angle = cv::motempl::calcGlobalOrientation(test_mat[INPUT][2], test_mat[INPUT][1],
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test_mat[INPUT][0], timestamp, duration );
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}
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int CV_MHIGlobalOrientTest::validate_test_results( int test_case_idx )
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{
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//printf("%d. rows=%d, cols=%d, nzmask=%d\n", test_case_idx, test_mat[INPUT][1].rows, test_mat[INPUT][1].cols,
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// cvCountNonZero(test_array[INPUT][1]));
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double ref_angle = test_calcGlobalOrientation( test_mat[INPUT][2], test_mat[INPUT][1],
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test_mat[INPUT][0], timestamp, duration );
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double err_level = get_success_error_level( test_case_idx, 0, 0 );
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int code = cvtest::TS::OK;
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int nz = countNonZero( test_mat[INPUT][1] );
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if( nz > 32 && !(min_angle - err_level <= angle &&
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max_angle + err_level >= angle) &&
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!(min_angle - err_level <= angle+360 &&
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max_angle + err_level >= angle+360) )
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{
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ts->printf( cvtest::TS::LOG, "The angle=%g is outside (%g,%g) range\n",
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angle, min_angle - err_level, max_angle + err_level );
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code = cvtest::TS::FAIL_BAD_ACCURACY;
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}
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else if( fabs(angle - ref_angle) > err_level &&
|
|
fabs(360 - fabs(angle - ref_angle)) > err_level )
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{
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|
ts->printf( cvtest::TS::LOG, "The angle=%g differs too much from reference value=%g\n",
|
|
angle, ref_angle );
|
|
code = cvtest::TS::FAIL_BAD_ACCURACY;
|
|
}
|
|
|
|
if( code < 0 )
|
|
ts->set_failed_test_info( code );
|
|
return code;
|
|
}
|
|
|
|
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|
TEST(Video_MHIUpdate, accuracy) { CV_UpdateMHITest test; test.safe_run(); }
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TEST(Video_MHIGradient, accuracy) { CV_MHIGradientTest test; test.safe_run(); }
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|
TEST(Video_MHIGlobalOrient, accuracy) { CV_MHIGlobalOrientTest test; test.safe_run(); }
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|
|
|
}} // namespace
|