opencv/tests/gpu/src/match_template.cpp
2010-12-10 10:23:32 +00:00

221 lines
8.2 KiB
C++

/*M///////////////////////////////////////////////////////////////////////////////////////
//
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// If you do not agree to this license, do not download, install,
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//
// License Agreement
// For Open Source Computer Vision Library
//
// Copyright (C) 2000-2008, Intel Corporation, all rights reserved.
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#include "gputest.hpp"
#include <string>
#include <iostream>
//#define SHOW_TIME
#ifdef SHOW_TIME
#include <ctime>
#define F(x)
#else
#define F(x)
#endif
using namespace cv;
using namespace std;
struct CV_GpuMatchTemplateTest: CvTest
{
CV_GpuMatchTemplateTest(): CvTest("GPU-MatchTemplateTest", "matchTemplate") {}
void run(int)
{
try
{
Mat image, templ;
Mat dst_gold;
gpu::GpuMat dst;
int n, m, h, w;
F(clock_t t;)
for (int i = 0; i < 3; ++i)
{
n = 1 + rand() % 2000;
m = 1 + rand() % 1000;
do h = 1 + rand() % 30; while (h > n);
do w = 1 + rand() % 30; while (w > m);
//cout << "w: " << w << " h: " << h << endl;
gen(image, n, m, CV_8U);
gen(templ, h, w, CV_8U);
F(t = clock();)
matchTemplate(image, templ, dst_gold, CV_TM_SQDIFF);
F(cout << "cpu:" << clock() - t << endl;)
F(t = clock();)
gpu::matchTemplate(gpu::GpuMat(image), gpu::GpuMat(templ), dst, CV_TM_SQDIFF);
F(cout << "gpu_block: " << clock() - t << endl;)
if (!check(dst_gold, Mat(dst), 5 * h * w * 1e-5f)) return;
gen(image, n, m, CV_8U);
gen(templ, h, w, CV_8U);
F(t = clock();)
matchTemplate(image, templ, dst_gold, CV_TM_CCORR);
F(cout << "cpu:" << clock() - t << endl;)
F(t = clock();)
gpu::matchTemplate(gpu::GpuMat(image), gpu::GpuMat(templ), dst, CV_TM_CCORR);
F(cout << "gpu_block: " << clock() - t << endl;)
if (!check(dst_gold, Mat(dst), 5 * h * w * 1e-5f)) return;
gen(image, n, m, CV_32F);
gen(templ, h, w, CV_32F);
F(t = clock();)
matchTemplate(image, templ, dst_gold, CV_TM_SQDIFF);
F(cout << "cpu:" << clock() - t << endl;)
F(t = clock();)
gpu::matchTemplate(gpu::GpuMat(image), gpu::GpuMat(templ), dst, CV_TM_SQDIFF);
F(cout << "gpu_block: " << clock() - t << endl;)
if (!check(dst_gold, Mat(dst), 0.25f * h * w * 1e-5f)) return;
gen(image, n, m, CV_32F);
gen(templ, h, w, CV_32F);
F(t = clock();)
matchTemplate(image, templ, dst_gold, CV_TM_CCORR);
F(cout << "cpu:" << clock() - t << endl;)
F(t = clock();)
gpu::matchTemplate(gpu::GpuMat(image), gpu::GpuMat(templ), dst, CV_TM_CCORR);
F(cout << "gpu_block: " << clock() - t << endl;)
if (!check(dst_gold, Mat(dst), 0.25f * h * w * 1e-5f)) return;
}
}
catch (const Exception& e)
{
ts->printf(CvTS::CONSOLE, e.what());
if (!check_and_treat_gpu_exception(e, ts)) throw;
return;
}
}
void gen(Mat& a, int rows, int cols, int type)
{
RNG rng;
a.create(rows, cols, type);
if (type == CV_8U)
rng.fill(a, RNG::UNIFORM, Scalar(0), Scalar(10));
else if (type == CV_32F)
rng.fill(a, RNG::UNIFORM, Scalar(0.f), Scalar(1.f));
}
bool check(const Mat& a, const Mat& b, float max_err)
{
if (a.size() != b.size())
{
ts->printf(CvTS::CONSOLE, "bad size");
ts->set_failed_test_info(CvTS::FAIL_INVALID_OUTPUT);
return false;
}
float err = (float)norm(a, b, NORM_INF);
if (err > max_err)
{
ts->printf(CvTS::CONSOLE, "bad accuracy: %f\n", err);
ts->set_failed_test_info(CvTS::FAIL_INVALID_OUTPUT);
return false;
}
//// Debug check
//for (int i = 0; i < a.rows; ++i)
//{
// for (int j = 0; j < a.cols; ++j)
// {
// float v1 = a.at<float>(i, j);
// float v2 = b.at<float>(i, j);
// if (fabs(v1 - v2) > max_err)
// {
// ts->printf(CvTS::CONSOLE, "%d %d %f %f\n", i, j, v1, v2);
// cin.get();
// }
// }
//}
return true;
}
//void match_template_naive_SQDIFF(const Mat& a, const Mat& b, Mat& c)
//{
// c.create(a.rows - b.rows + 1, a.cols - b.cols + 1, CV_32F);
// for (int i = 0; i < c.rows; ++i)
// {
// for (int j = 0; j < c.cols; ++j)
// {
// float delta;
// float sum = 0.f;
// for (int y = 0; y < b.rows; ++y)
// {
// const unsigned char* arow = a.ptr(i + y);
// const unsigned char* brow = b.ptr(y);
// for (int x = 0; x < b.cols; ++x)
// {
// delta = (float)(arow[j + x] - brow[x]);
// sum += delta * delta;
// }
// }
// c.at<float>(i, j) = sum;
// }
// }
//}
//void match_template_naive_CCORR(const Mat& a, const Mat& b, Mat& c)
//{
// c.create(a.rows - b.rows + 1, a.cols - b.cols + 1, CV_32F);
// for (int i = 0; i < c.rows; ++i)
// {
// for (int j = 0; j < c.cols; ++j)
// {
// float sum = 0.f;
// for (int y = 0; y < b.rows; ++y)
// {
// const float* arow = a.ptr<float>(i + y);
// const float* brow = b.ptr<float>(y);
// for (int x = 0; x < b.cols; ++x)
// sum += arow[j + x] * brow[x];
// }
// c.at<float>(i, j) = sum;
// }
// }
//}
} match_template_test;