Пример #1
0
 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 (cvtest::norm(dst, dstz, NORM_INF) > 1e-3)
         {
             cout << "actual:\n" << dst << endl << endl;
             cout << "reference:\n" << dstz << endl << endl;
             CV_Error(CV_StsError, "");
         }
     }
 }
Пример #2
0
        Moments ocl_moments(oclMat& src, bool binary) //for image
        {
            CV_Assert(src.oclchannels() == 1);
            if(src.type() == CV_64FC1 && !Context::getContext()->supportsFeature(FEATURE_CL_DOUBLE))
            {
                CV_Error(CV_StsUnsupportedFormat, "Moments - double is not supported by your GPU!");
            }

            if(binary)
            {
                oclMat mask;
                if(src.type() != CV_8UC1)
                {
                    src.convertTo(mask, CV_8UC1);
                }
                oclMat src8u(src.size(), CV_8UC1);
                src8u.setTo(Scalar(255), mask);
                src = src8u;
            }
            const int TILE_SIZE = 256;

            CvMoments mom;
            memset(&mom, 0, sizeof(mom));

            cv::Size size = src.size();
            int blockx, blocky;
            blockx = (size.width + TILE_SIZE - 1)/TILE_SIZE;
            blocky = (size.height + TILE_SIZE - 1)/TILE_SIZE;

            oclMat dst_m;
            int tile_height = TILE_SIZE;

            size_t localThreads[3]  = {1, tile_height, 1};
            size_t globalThreads[3] = {blockx, size.height, 1};

            if(Context::getContext()->supportsFeature(FEATURE_CL_DOUBLE))
            {
                dst_m.create(blocky * 10, blockx, CV_64FC1);
            }else
            {
                dst_m.create(blocky * 10, blockx, CV_32FC1);
            }

            int src_step = (int)(src.step/src.elemSize());
            int dstm_step = (int)(dst_m.step/dst_m.elemSize());

            std::vector<std::pair<size_t , const void *> > args,args_sum;
            args.push_back( std::make_pair( sizeof(cl_mem) , (void *)&src.data ));
            args.push_back( std::make_pair( sizeof(cl_int) , (void *)&src.rows ));
            args.push_back( std::make_pair( sizeof(cl_int) , (void *)&src.cols ));
            args.push_back( std::make_pair( sizeof(cl_int) , (void *)&src_step ));
            args.push_back( std::make_pair( sizeof(cl_mem) , (void *)&dst_m.data ));
            args.push_back( std::make_pair( sizeof(cl_int) , (void *)&dst_m.cols ));
            args.push_back( std::make_pair( sizeof(cl_int) , (void *)&dstm_step ));

            int binary_;
            if(binary)
                binary_ = 1;
            else
                binary_ = 0;
            args.push_back( std::make_pair( sizeof(cl_int) , (void *)&binary_));

            char builOption[128];
            if(binary || src.type() == CV_8UC1)
            {
                snprintf(builOption, 128, "-D CV_8UC1");
            }else if(src.type() == CV_16UC1)
            {
                snprintf(builOption, 128, "-D CV_16UC1");
            }else if(src.type() == CV_16SC1)
            {
                snprintf(builOption, 128, "-D CV_16SC1");
            }else if(src.type() == CV_32FC1)
            {
                snprintf(builOption, 128, "-D CV_32FC1");
            }else if(src.type() == CV_64FC1)
            {
                snprintf(builOption, 128, "-D CV_64FC1");
            }else
            {
                CV_Error( CV_StsUnsupportedFormat, "" );
            }

            openCLExecuteKernel(Context::getContext(), &moments, "CvMoments", globalThreads, localThreads, args, -1, -1, builOption);

            Mat tmp(dst_m);
            tmp.convertTo(tmp, CV_64FC1);

            double tmp_m[10] = {0};

            for(int j = 0; j < tmp.rows; j += 10)
            {
                for(int i = 0; i < tmp.cols; i++)
                {
                    tmp_m[0] += tmp.at<double>(j, i);
                    tmp_m[1] += tmp.at<double>(j + 1, i);
                    tmp_m[2] += tmp.at<double>(j + 2, i);
                    tmp_m[3] += tmp.at<double>(j + 3, i);
                    tmp_m[4] += tmp.at<double>(j + 4, i);
                    tmp_m[5] += tmp.at<double>(j + 5, i);
                    tmp_m[6] += tmp.at<double>(j + 6, i);
                    tmp_m[7] += tmp.at<double>(j + 7, i);
                    tmp_m[8] += tmp.at<double>(j + 8, i);
                    tmp_m[9] += tmp.at<double>(j + 9, i);
                }
            }

            mom.m00 = tmp_m[0];
            mom.m10 = tmp_m[1];
            mom.m01 = tmp_m[2];
            mom.m20 = tmp_m[3];
            mom.m11 = tmp_m[4];
            mom.m02 = tmp_m[5];
            mom.m30 = tmp_m[6];
            mom.m21 = tmp_m[7];
            mom.m12 = tmp_m[8];
            mom.m03 = tmp_m[9];
            icvCompleteMomentState( &mom );
            return mom;
        }