869 lines
24 KiB
C++
869 lines
24 KiB
C++
#include "test_precomp.hpp"
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using namespace cv;
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using namespace std;
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namespace cvtest
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{
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static Mat initDFTWave( int n, bool inv )
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{
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int i;
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double angle = (inv ? 1 : -1)*CV_PI*2/n;
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Complexd wi, w1;
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Mat wave(1, n, CV_64FC2);
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Complexd* w = wave.ptr<Complexd>();
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w1.re = cos(angle);
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w1.im = sin(angle);
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w[0].re = wi.re = 1.;
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w[0].im = wi.im = 0.;
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for( i = 1; i < n; i++ )
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{
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double t = wi.re*w1.re - wi.im*w1.im;
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wi.im = wi.re*w1.im + wi.im*w1.re;
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wi.re = t;
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w[i] = wi;
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}
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return wave;
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}
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static void DFT_1D( const Mat& _src, Mat& _dst, int flags, const Mat& _wave=Mat())
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{
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_dst.create(_src.size(), _src.type());
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int i, j, k, n = _dst.cols + _dst.rows - 1;
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Mat wave = _wave;
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double scale = (flags & DFT_SCALE) ? 1./n : 1.;
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size_t esz = _src.elemSize();
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size_t srcstep = esz, dststep = esz;
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const uchar* src0 = _src.data;
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uchar* dst0 = _dst.data;
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CV_Assert( _src.cols + _src.rows - 1 == n );
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if( wave.empty() )
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wave = initDFTWave( n, (flags & DFT_INVERSE) != 0 );
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const Complexd* w = wave.ptr<Complexd>();
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if( !_src.isContinuous() )
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srcstep = _src.step;
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if( !_dst.isContinuous() )
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dststep = _dst.step;
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if( _src.type() == CV_32FC2 )
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{
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for( i = 0; i < n; i++ )
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{
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Complexf* dst = (Complexf*)(dst0 + i*dststep);
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Complexd sum(0,0);
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int delta = i;
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k = 0;
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for( j = 0; j < n; j++ )
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{
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const Complexf* src = (const Complexf*)(src0 + j*srcstep);
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sum.re += src->re*w[k].re - src->im*w[k].im;
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sum.im += src->re*w[k].im + src->im*w[k].re;
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k += delta;
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k -= (k >= n ? n : 0);
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}
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dst->re = (float)(sum.re*scale);
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dst->im = (float)(sum.im*scale);
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}
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}
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else if( _src.type() == CV_64FC2 )
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{
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for( i = 0; i < n; i++ )
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{
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Complexd* dst = (Complexd*)(dst0 + i*dststep);
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Complexd sum(0,0);
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int delta = i;
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k = 0;
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for( j = 0; j < n; j++ )
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{
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const Complexd* src = (const Complexd*)(src0 + j*srcstep);
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sum.re += src->re*w[k].re - src->im*w[k].im;
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sum.im += src->re*w[k].im + src->im*w[k].re;
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k += delta;
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k -= (k >= n ? n : 0);
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}
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dst->re = sum.re*scale;
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dst->im = sum.im*scale;
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}
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}
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else
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CV_Error(CV_StsUnsupportedFormat, "");
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}
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static void DFT_2D( const Mat& src, Mat& dst, int flags )
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{
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const int cn = 2;
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int i;
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dst.create(src.size(), src.type());
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Mat tmp( src.cols, src.rows, src.type());
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Mat wave = initDFTWave( dst.cols, (flags & DFT_INVERSE) != 0 );
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// 1. row-wise transform
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for( i = 0; i < dst.rows; i++ )
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{
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Mat srci = src.row(i).reshape(cn, src.cols), dsti = tmp.col(i);
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DFT_1D(srci, dsti, flags, wave );
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}
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if( (flags & DFT_ROWS) == 0 )
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{
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if( dst.cols != dst.rows )
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wave = initDFTWave( dst.rows, (flags & DFT_INVERSE) != 0 );
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// 2. column-wise transform
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for( i = 0; i < dst.cols; i++ )
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{
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Mat srci = tmp.row(i).reshape(cn, tmp.cols), dsti = dst.col(i);
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DFT_1D(srci, dsti, flags, wave );
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}
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}
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else
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cvtest::transpose(tmp, dst);
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}
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static Mat initDCTWave( int n, bool inv )
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{
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int i, k;
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double angle = CV_PI*0.5/n;
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Mat wave(n, n, CV_64F);
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double scale = sqrt(1./n);
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for( k = 0; k < n; k++ )
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wave.at<double>(0, k) = scale;
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scale *= sqrt(2.);
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for( i = 1; i < n; i++ )
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for( k = 0; k < n; k++ )
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wave.at<double>(i, k) = scale*cos( angle*i*(2*k + 1) );
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if( inv )
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cv::transpose( wave, wave );
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return wave;
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}
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static void DCT_1D( const Mat& _src, Mat& _dst, int flags, const Mat& _wave=Mat() )
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{
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_dst.create( _src.size(), _src.type() );
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int i, j, n = _dst.cols + _dst.rows - 1;
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Mat wave = _wave;
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int srcstep = 1, dststep = 1;
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double* w;
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CV_Assert( _src.cols + _src.rows - 1 == n);
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if( wave.empty() )
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wave = initDCTWave( n, (flags & DFT_INVERSE) != 0 );
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w = wave.ptr<double>();
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if( !_src.isContinuous() )
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srcstep = (int)(_src.step/_src.elemSize());
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if( !_dst.isContinuous() )
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dststep = (int)(_dst.step/_dst.elemSize());
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if( _src.type() == CV_32FC1 )
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{
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float *dst = _dst.ptr<float>();
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for( i = 0; i < n; i++, dst += dststep )
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{
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const float* src = _src.ptr<float>();
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double sum = 0;
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for( j = 0; j < n; j++, src += srcstep )
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sum += src[0]*w[j];
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w += n;
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dst[0] = (float)sum;
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}
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}
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else if( _src.type() == CV_64FC1 )
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{
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double *dst = _dst.ptr<double>();
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for( i = 0; i < n; i++, dst += dststep )
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{
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const double* src = _src.ptr<double>();
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double sum = 0;
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for( j = 0; j < n; j++, src += srcstep )
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sum += src[0]*w[j];
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w += n;
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dst[0] = sum;
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}
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}
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else
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assert(0);
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}
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static void DCT_2D( const Mat& src, Mat& dst, int flags )
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{
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const int cn = 1;
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int i;
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dst.create( src.size(), src.type() );
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Mat tmp(dst.cols, dst.rows, dst.type() );
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Mat wave = initDCTWave( dst.cols, (flags & DCT_INVERSE) != 0 );
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// 1. row-wise transform
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for( i = 0; i < dst.rows; i++ )
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{
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Mat srci = src.row(i).reshape(cn, src.cols);
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Mat dsti = tmp.col(i);
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DCT_1D(srci, dsti, flags, wave);
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}
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if( (flags & DCT_ROWS) == 0 )
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{
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if( dst.cols != dst.rows )
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wave = initDCTWave( dst.rows, (flags & DCT_INVERSE) != 0 );
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// 2. column-wise transform
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for( i = 0; i < dst.cols; i++ )
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{
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Mat srci = tmp.row(i).reshape(cn, tmp.cols);
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Mat dsti = dst.col(i);
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DCT_1D( srci, dsti, flags, wave );
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}
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}
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else
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cvtest::transpose( tmp, dst );
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}
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static void convertFromCCS( const Mat& _src0, const Mat& _src1, Mat& _dst, int flags )
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{
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if( _dst.rows > 1 && (_dst.cols > 1 || (flags & DFT_ROWS)) )
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{
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int i, count = _dst.rows, len = _dst.cols;
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bool is2d = (flags & DFT_ROWS) == 0;
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Mat src0row, src1row, dstrow;
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for( i = 0; i < count; i++ )
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{
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int j = !is2d || i == 0 ? i : count - i;
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src0row = _src0.row(i);
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src1row = _src1.row(j);
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dstrow = _dst.row(i);
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convertFromCCS( src0row, src1row, dstrow, 0 );
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}
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if( is2d )
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{
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src0row = _src0.col(0);
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dstrow = _dst.col(0);
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convertFromCCS( src0row, src0row, dstrow, 0 );
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if( (len & 1) == 0 )
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{
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src0row = _src0.col(_src0.cols - 1);
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dstrow = _dst.col(len/2);
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convertFromCCS( src0row, src0row, dstrow, 0 );
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}
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}
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}
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else
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{
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int i, n = _dst.cols + _dst.rows - 1, n2 = (n+1) >> 1;
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int cn = _src0.channels();
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int srcstep = cn, dststep = 1;
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if( !_dst.isContinuous() )
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dststep = (int)(_dst.step/_dst.elemSize());
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if( !_src0.isContinuous() )
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srcstep = (int)(_src0.step/_src0.elemSize1());
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if( _dst.depth() == CV_32F )
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{
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Complexf* dst = _dst.ptr<Complexf>();
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const float* src0 = _src0.ptr<float>();
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const float* src1 = _src1.ptr<float>();
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int delta0, delta1;
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dst->re = src0[0];
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dst->im = 0;
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if( (n & 1) == 0 )
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{
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dst[n2*dststep].re = src0[(cn == 1 ? n-1 : n2)*srcstep];
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dst[n2*dststep].im = 0;
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}
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delta0 = srcstep;
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delta1 = delta0 + (cn == 1 ? srcstep : 1);
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if( cn == 1 )
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srcstep *= 2;
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for( i = 1; i < n2; i++, delta0 += srcstep, delta1 += srcstep )
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{
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float t0 = src0[delta0];
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float t1 = src0[delta1];
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dst[i*dststep].re = t0;
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dst[i*dststep].im = t1;
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t0 = src1[delta0];
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t1 = -src1[delta1];
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dst[(n-i)*dststep].re = t0;
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dst[(n-i)*dststep].im = t1;
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}
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}
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else
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{
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Complexd* dst = _dst.ptr<Complexd>();
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const double* src0 = _src0.ptr<double>();
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const double* src1 = _src1.ptr<double>();
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int delta0, delta1;
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dst->re = src0[0];
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dst->im = 0;
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if( (n & 1) == 0 )
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{
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dst[n2*dststep].re = src0[(cn == 1 ? n-1 : n2)*srcstep];
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dst[n2*dststep].im = 0;
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}
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delta0 = srcstep;
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delta1 = delta0 + (cn == 1 ? srcstep : 1);
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if( cn == 1 )
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srcstep *= 2;
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for( i = 1; i < n2; i++, delta0 += srcstep, delta1 += srcstep )
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{
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double t0 = src0[delta0];
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double t1 = src0[delta1];
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dst[i*dststep].re = t0;
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dst[i*dststep].im = t1;
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t0 = src1[delta0];
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t1 = -src1[delta1];
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dst[(n-i)*dststep].re = t0;
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dst[(n-i)*dststep].im = t1;
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}
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}
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}
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}
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static void fixCCS( Mat& mat, int cols, int flags )
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{
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int i, rows = mat.rows;
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int rows2 = (flags & DFT_ROWS) ? rows : rows/2 + 1, cols2 = cols/2 + 1;
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CV_Assert( cols2 == mat.cols );
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if( mat.type() == CV_32FC2 )
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{
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for( i = 0; i < rows2; i++ )
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{
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Complexf* row = mat.ptr<Complexf>(i);
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if( (flags & DFT_ROWS) || i == 0 || (i == rows2 - 1 && rows % 2 == 0) )
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{
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row[0].im = 0;
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if( cols % 2 == 0 )
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row[cols2-1].im = 0;
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}
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else
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{
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Complexf* row2 = mat.ptr<Complexf>(rows-i);
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row2[0].re = row[0].re;
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row2[0].im = -row[0].im;
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if( cols % 2 == 0 )
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{
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row2[cols2-1].re = row[cols2-1].re;
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row2[cols2-1].im = -row[cols2-1].im;
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}
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}
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}
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}
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else if( mat.type() == CV_64FC2 )
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{
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for( i = 0; i < rows2; i++ )
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{
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Complexd* row = mat.ptr<Complexd>(i);
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if( (flags & DFT_ROWS) || i == 0 || (i == rows2 - 1 && rows % 2 == 0) )
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{
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row[0].im = 0;
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if( cols % 2 == 0 )
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row[cols2-1].im = 0;
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}
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else
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{
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Complexd* row2 = mat.ptr<Complexd>(rows-i);
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row2[0].re = row[0].re;
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row2[0].im = -row[0].im;
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if( cols % 2 == 0 )
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{
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row2[cols2-1].re = row[cols2-1].re;
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row2[cols2-1].im = -row[cols2-1].im;
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}
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}
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}
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}
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}
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#if defined _MSC_VER && _MSC_VER >= 1700
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#pragma optimize("", off)
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#endif
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static void mulComplex( const Mat& src1, const Mat& src2, Mat& dst, int flags )
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{
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dst.create(src1.rows, src1.cols, src1.type());
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int i, j, depth = src1.depth(), cols = src1.cols*2;
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CV_Assert( src1.size == src2.size && src1.type() == src2.type() &&
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(src1.type() == CV_32FC2 || src1.type() == CV_64FC2) );
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for( i = 0; i < dst.rows; i++ )
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{
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if( depth == CV_32F )
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{
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const float* a = src1.ptr<float>(i);
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const float* b = src2.ptr<float>(i);
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float* c = dst.ptr<float>(i);
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if( !(flags & CV_DXT_MUL_CONJ) )
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for( j = 0; j < cols; j += 2 )
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{
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double re = (double)a[j]*(double)b[j] - (double)a[j+1]*(double)b[j+1];
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double im = (double)a[j+1]*(double)b[j] + (double)a[j]*(double)b[j+1];
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c[j] = (float)re;
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c[j+1] = (float)im;
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}
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else
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for( j = 0; j < cols; j += 2 )
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{
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double re = (double)a[j]*(double)b[j] + (double)a[j+1]*(double)b[j+1];
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double im = (double)a[j+1]*(double)b[j] - (double)a[j]*(double)b[j+1];
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c[j] = (float)re;
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c[j+1] = (float)im;
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}
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}
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else
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{
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const double* a = src1.ptr<double>(i);
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const double* b = src2.ptr<double>(i);
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double* c = dst.ptr<double>(i);
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if( !(flags & CV_DXT_MUL_CONJ) )
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for( j = 0; j < cols; j += 2 )
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{
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double re = a[j]*b[j] - a[j+1]*b[j+1];
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double im = a[j+1]*b[j] + a[j]*b[j+1];
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c[j] = re;
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c[j+1] = im;
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}
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else
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for( j = 0; j < cols; j += 2 )
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{
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double re = a[j]*b[j] + a[j+1]*b[j+1];
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double im = a[j+1]*b[j] - a[j]*b[j+1];
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c[j] = re;
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c[j+1] = im;
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}
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}
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}
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}
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#if defined _MSC_VER && _MSC_VER >= 1700
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#pragma optimize("", on)
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#endif
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}
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class CxCore_DXTBaseTest : public cvtest::ArrayTest
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{
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public:
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typedef cvtest::ArrayTest Base;
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CxCore_DXTBaseTest( bool _allow_complex=false, bool _allow_odd=false,
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bool _spectrum_mode=false );
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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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int prepare_test_case( int test_case_idx );
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double get_success_error_level( int /*test_case_idx*/, int /*i*/, int /*j*/ );
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int flags; // transformation flags
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bool allow_complex; // whether input/output may be complex or not:
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// true for DFT and MulSpectrums, false for DCT
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bool allow_odd; // whether input/output may be have odd (!=1) dimensions:
|
|
// true for DFT and MulSpectrums, false for DCT
|
|
bool spectrum_mode; // (2 complex/ccs inputs, 1 complex/ccs output):
|
|
// true for MulSpectrums, false for DFT and DCT
|
|
bool inplace; // inplace operation (set for each individual test case)
|
|
bool temp_dst; // use temporary destination (for real->ccs DFT and ccs MulSpectrums)
|
|
};
|
|
|
|
|
|
CxCore_DXTBaseTest::CxCore_DXTBaseTest( bool _allow_complex, bool _allow_odd, bool _spectrum_mode )
|
|
: Base(), flags(0), allow_complex(_allow_complex), allow_odd(_allow_odd),
|
|
spectrum_mode(_spectrum_mode), inplace(false), temp_dst(false)
|
|
{
|
|
test_array[INPUT].push_back(NULL);
|
|
if( spectrum_mode )
|
|
test_array[INPUT].push_back(NULL);
|
|
test_array[OUTPUT].push_back(NULL);
|
|
test_array[REF_OUTPUT].push_back(NULL);
|
|
test_array[TEMP].push_back(NULL);
|
|
test_array[TEMP].push_back(NULL);
|
|
|
|
max_log_array_size = 9;
|
|
element_wise_relative_error = spectrum_mode;
|
|
}
|
|
|
|
|
|
void CxCore_DXTBaseTest::get_test_array_types_and_sizes( int test_case_idx,
|
|
vector<vector<Size> >& sizes,
|
|
vector<vector<int> >& types )
|
|
{
|
|
RNG& rng = ts->get_rng();
|
|
int bits = cvtest::randInt(rng);
|
|
int depth = cvtest::randInt(rng)%2 + CV_32F;
|
|
int cn = !allow_complex || !(bits & 256) ? 1 : 2;
|
|
Size size;
|
|
Base::get_test_array_types_and_sizes( test_case_idx, sizes, types );
|
|
|
|
flags = bits & (CV_DXT_INVERSE | CV_DXT_SCALE | CV_DXT_ROWS | CV_DXT_MUL_CONJ);
|
|
if( spectrum_mode )
|
|
flags &= ~CV_DXT_INVERSE;
|
|
types[TEMP][0] = types[TEMP][1] = types[INPUT][0] =
|
|
types[OUTPUT][0] = CV_MAKETYPE(depth, cn);
|
|
size = sizes[INPUT][0];
|
|
|
|
temp_dst = false;
|
|
|
|
if( flags & CV_DXT_ROWS && (bits&1024) )
|
|
{
|
|
if( bits&16 )
|
|
size.width = 1;
|
|
else
|
|
size.height = 1;
|
|
flags &= ~CV_DXT_ROWS;
|
|
}
|
|
|
|
const int P2_MIN_SIZE = 32;
|
|
if( ((bits >> 10) & 1) == 0 )
|
|
{
|
|
size.width = (size.width / P2_MIN_SIZE)*P2_MIN_SIZE;
|
|
size.width = MAX(size.width, 1);
|
|
size.height = (size.height / P2_MIN_SIZE)*P2_MIN_SIZE;
|
|
size.height = MAX(size.height, 1);
|
|
}
|
|
|
|
if( !allow_odd )
|
|
{
|
|
if( size.width > 1 && (size.width&1) != 0 )
|
|
size.width = (size.width + 1) & -2;
|
|
|
|
if( size.height > 1 && (size.height&1) != 0 && !(flags & CV_DXT_ROWS) )
|
|
size.height = (size.height + 1) & -2;
|
|
}
|
|
|
|
sizes[INPUT][0] = sizes[OUTPUT][0] = size;
|
|
sizes[TEMP][0] = sizes[TEMP][1] = cvSize(0,0);
|
|
|
|
if( spectrum_mode )
|
|
{
|
|
if( cn == 1 )
|
|
{
|
|
types[OUTPUT][0] = depth + 8;
|
|
sizes[TEMP][0] = size;
|
|
}
|
|
sizes[INPUT][0] = sizes[INPUT][1] = size;
|
|
types[INPUT][1] = types[INPUT][0];
|
|
}
|
|
else if( /*(cn == 2 && (bits&32)) ||*/ (cn == 1 && allow_complex) )
|
|
{
|
|
types[TEMP][0] = depth + 8; // CV_??FC2
|
|
sizes[TEMP][0] = size;
|
|
size = cvSize(size.width/2+1, size.height);
|
|
|
|
if( flags & CV_DXT_INVERSE )
|
|
{
|
|
if( cn == 2 )
|
|
{
|
|
types[OUTPUT][0] = depth;
|
|
sizes[INPUT][0] = size;
|
|
}
|
|
types[TEMP][1] = types[TEMP][0];
|
|
sizes[TEMP][1] = sizes[TEMP][0];
|
|
}
|
|
else
|
|
{
|
|
if( allow_complex )
|
|
types[OUTPUT][0] = depth + 8;
|
|
|
|
if( cn == 2 )
|
|
{
|
|
types[INPUT][0] = depth;
|
|
types[TEMP][1] = types[TEMP][0];
|
|
sizes[TEMP][1] = size;
|
|
}
|
|
else
|
|
{
|
|
types[TEMP][1] = depth;
|
|
sizes[TEMP][1] = sizes[TEMP][0];
|
|
}
|
|
temp_dst = true;
|
|
}
|
|
}
|
|
|
|
inplace = false;
|
|
if( spectrum_mode ||
|
|
(!temp_dst && types[INPUT][0] == types[OUTPUT][0]) ||
|
|
(temp_dst && types[INPUT][0] == types[TEMP][1]) )
|
|
inplace = (bits & 64) != 0;
|
|
|
|
types[REF_OUTPUT][0] = types[OUTPUT][0];
|
|
sizes[REF_OUTPUT][0] = sizes[OUTPUT][0];
|
|
}
|
|
|
|
|
|
double CxCore_DXTBaseTest::get_success_error_level( int test_case_idx, int i, int j )
|
|
{
|
|
return Base::get_success_error_level( test_case_idx, i, j );
|
|
}
|
|
|
|
|
|
int CxCore_DXTBaseTest::prepare_test_case( int test_case_idx )
|
|
{
|
|
int code = Base::prepare_test_case( test_case_idx );
|
|
if( code > 0 )
|
|
{
|
|
int in_type = test_mat[INPUT][0].type();
|
|
int out_type = test_mat[OUTPUT][0].type();
|
|
|
|
if( CV_MAT_CN(in_type) == 2 && CV_MAT_CN(out_type) == 1 )
|
|
cvtest::fixCCS( test_mat[INPUT][0], test_mat[OUTPUT][0].cols, flags );
|
|
|
|
if( inplace )
|
|
cvtest::copy( test_mat[INPUT][test_case_idx & (int)spectrum_mode],
|
|
temp_dst ? test_mat[TEMP][1] :
|
|
in_type == out_type ? test_mat[OUTPUT][0] :
|
|
test_mat[TEMP][0] );
|
|
}
|
|
|
|
return code;
|
|
}
|
|
|
|
|
|
////////////////////// FFT ////////////////////////
|
|
class CxCore_DFTTest : public CxCore_DXTBaseTest
|
|
{
|
|
public:
|
|
CxCore_DFTTest();
|
|
protected:
|
|
void run_func();
|
|
void prepare_to_validation( int test_case_idx );
|
|
};
|
|
|
|
|
|
CxCore_DFTTest::CxCore_DFTTest() : CxCore_DXTBaseTest( true, true, false )
|
|
{
|
|
}
|
|
|
|
|
|
void CxCore_DFTTest::run_func()
|
|
{
|
|
Mat& dst = temp_dst ? test_mat[TEMP][1] : test_mat[OUTPUT][0];
|
|
const Mat& src = inplace ? dst : test_mat[INPUT][0];
|
|
|
|
if(!(flags & CV_DXT_INVERSE))
|
|
cv::dft( src, dst, flags );
|
|
else
|
|
cv::idft(src, dst, flags & ~CV_DXT_INVERSE);
|
|
}
|
|
|
|
|
|
void CxCore_DFTTest::prepare_to_validation( int /*test_case_idx*/ )
|
|
{
|
|
Mat& src = test_mat[INPUT][0];
|
|
Mat& dst = test_mat[REF_OUTPUT][0];
|
|
Mat* tmp_src = &src;
|
|
Mat* tmp_dst = &dst;
|
|
int src_cn = src.channels();
|
|
int dst_cn = dst.channels();
|
|
|
|
if( src_cn != 2 || dst_cn != 2 )
|
|
{
|
|
tmp_src = &test_mat[TEMP][0];
|
|
|
|
if( !(flags & CV_DXT_INVERSE ) )
|
|
{
|
|
Mat& cvdft_dst = test_mat[TEMP][1];
|
|
cvtest::convertFromCCS( cvdft_dst, cvdft_dst,
|
|
test_mat[OUTPUT][0], flags );
|
|
*tmp_src = Scalar::all(0);
|
|
cvtest::insert( src, *tmp_src, 0 );
|
|
}
|
|
else
|
|
{
|
|
cvtest::convertFromCCS( src, src, *tmp_src, flags );
|
|
tmp_dst = &test_mat[TEMP][1];
|
|
}
|
|
}
|
|
|
|
if( src.rows == 1 || (src.cols == 1 && !(flags & CV_DXT_ROWS)) )
|
|
cvtest::DFT_1D( *tmp_src, *tmp_dst, flags );
|
|
else
|
|
cvtest::DFT_2D( *tmp_src, *tmp_dst, flags );
|
|
|
|
if( tmp_dst != &dst )
|
|
cvtest::extract( *tmp_dst, dst, 0 );
|
|
}
|
|
|
|
////////////////////// DCT ////////////////////////
|
|
class CxCore_DCTTest : public CxCore_DXTBaseTest
|
|
{
|
|
public:
|
|
CxCore_DCTTest();
|
|
protected:
|
|
void run_func();
|
|
void prepare_to_validation( int test_case_idx );
|
|
};
|
|
|
|
|
|
CxCore_DCTTest::CxCore_DCTTest() : CxCore_DXTBaseTest( false, false, false )
|
|
{
|
|
}
|
|
|
|
|
|
void CxCore_DCTTest::run_func()
|
|
{
|
|
Mat& dst = test_mat[OUTPUT][0];
|
|
const Mat& src = inplace ? dst : test_mat[INPUT][0];
|
|
|
|
if(!(flags & CV_DXT_INVERSE))
|
|
cv::dct( src, dst, flags );
|
|
else
|
|
cv::idct( src, dst, flags & ~CV_DXT_INVERSE);
|
|
}
|
|
|
|
|
|
void CxCore_DCTTest::prepare_to_validation( int /*test_case_idx*/ )
|
|
{
|
|
const Mat& src = test_mat[INPUT][0];
|
|
Mat& dst = test_mat[REF_OUTPUT][0];
|
|
|
|
if( src.rows == 1 || (src.cols == 1 && !(flags & CV_DXT_ROWS)) )
|
|
cvtest::DCT_1D( src, dst, flags );
|
|
else
|
|
cvtest::DCT_2D( src, dst, flags );
|
|
}
|
|
|
|
|
|
////////////////////// MulSpectrums ////////////////////////
|
|
class CxCore_MulSpectrumsTest : public CxCore_DXTBaseTest
|
|
{
|
|
public:
|
|
CxCore_MulSpectrumsTest();
|
|
protected:
|
|
void run_func();
|
|
void prepare_to_validation( int test_case_idx );
|
|
};
|
|
|
|
|
|
CxCore_MulSpectrumsTest::CxCore_MulSpectrumsTest() : CxCore_DXTBaseTest( true, true, true )
|
|
{
|
|
}
|
|
|
|
|
|
void CxCore_MulSpectrumsTest::run_func()
|
|
{
|
|
Mat& dst = !test_mat[TEMP].empty() && !test_mat[TEMP][0].empty() ?
|
|
test_mat[TEMP][0] : test_mat[OUTPUT][0];
|
|
const Mat* src1 = &test_mat[INPUT][0], *src2 = &test_mat[INPUT][1];
|
|
|
|
if( inplace )
|
|
{
|
|
if( ts->get_current_test_info()->test_case_idx & 1 )
|
|
src2 = &dst;
|
|
else
|
|
src1 = &dst;
|
|
}
|
|
|
|
cv::mulSpectrums( *src1, *src2, dst, flags, (flags & CV_DXT_MUL_CONJ) != 0 );
|
|
}
|
|
|
|
|
|
void CxCore_MulSpectrumsTest::prepare_to_validation( int /*test_case_idx*/ )
|
|
{
|
|
Mat* src1 = &test_mat[INPUT][0];
|
|
Mat* src2 = &test_mat[INPUT][1];
|
|
Mat& dst = test_mat[OUTPUT][0];
|
|
Mat& dst0 = test_mat[REF_OUTPUT][0];
|
|
int cn = src1->channels();
|
|
|
|
if( cn == 1 )
|
|
{
|
|
cvtest::convertFromCCS( *src1, *src1, dst, flags );
|
|
cvtest::convertFromCCS( *src2, *src2, dst0, flags );
|
|
src1 = &dst;
|
|
src2 = &dst0;
|
|
}
|
|
|
|
cvtest::mulComplex( *src1, *src2, dst0, flags );
|
|
if( cn == 1 )
|
|
{
|
|
Mat& temp = test_mat[TEMP][0];
|
|
cvtest::convertFromCCS( temp, temp, dst, flags );
|
|
}
|
|
}
|
|
|
|
TEST(Core_DCT, accuracy) { CxCore_DCTTest test; test.safe_run(); }
|
|
TEST(Core_DFT, accuracy) { CxCore_DFTTest test; test.safe_run(); }
|
|
TEST(Core_MulSpectrums, accuracy) { CxCore_MulSpectrumsTest test; test.safe_run(); }
|
|
|
|
class Core_DFTComplexOutputTest : public cvtest::BaseTest
|
|
{
|
|
public:
|
|
Core_DFTComplexOutputTest() {}
|
|
~Core_DFTComplexOutputTest() {}
|
|
protected:
|
|
void run(int)
|
|
{
|
|
RNG& rng = theRNG();
|
|
for( int i = 0; i < 10; i++ )
|
|
{
|
|
int m = rng.uniform(2, 11);
|
|
int n = rng.uniform(2, 11);
|
|
int depth = rng.uniform(0, 2) + CV_32F;
|
|
Mat src8u(m, n, depth), src(m, n, depth), dst(m, n, CV_MAKETYPE(depth, 2));
|
|
Mat z = Mat::zeros(m, n, depth), dstz;
|
|
randu(src8u, Scalar::all(0), Scalar::all(10));
|
|
src8u.convertTo(src, src.type());
|
|
dst = Scalar::all(123);
|
|
Mat mv[] = {src, z}, srcz;
|
|
merge(mv, 2, srcz);
|
|
dft(srcz, dstz);
|
|
dft(src, dst, DFT_COMPLEX_OUTPUT);
|
|
if(norm(dst, dstz, NORM_INF) > 1e-3)
|
|
{
|
|
cout << "actual:\n" << dst << endl << endl;
|
|
cout << "reference:\n" << dstz << endl << endl;
|
|
CV_Error(CV_StsError, "");
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
TEST(Core_DFT, complex_output) { Core_DFTComplexOutputTest test; test.safe_run(); }
|