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Merge pull request #1872 from KonstantinMatskevich:ocl_mt_test

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This commit is contained in:
Andrey Pavlenko 2013-12-06 16:00:10 +04:00 committed by OpenCV Buildbot
commit 0e3553130a
1 changed files with 114 additions and 27 deletions
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141
samples/ocl/facedetect.cpp
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@ -5,10 +5,16 @@
#include <iostream>
#include <stdio.h>
#if defined(_MSC_VER) && (_MSC_VER >= 1700)
# include <thread>
#endif
using namespace std;
using namespace cv;
#define LOOP_NUM 10
///////////////////////////single-threading faces detecting///////////////////////////////
const static Scalar colors[] = { CV_RGB(0,0,255),
CV_RGB(0,128,255),
CV_RGB(0,255,255),
@ -22,7 +28,7 @@ const static Scalar colors[] = { CV_RGB(0,0,255),
int64 work_begin = 0;
int64 work_end = 0;
string outputName;
string inputName, outputName, cascadeName;
static void workBegin()
{
@ -58,41 +64,17 @@ static void Draw(Mat& img, vector<Rect>& faces, double scale);
// Else if will return (total diff of each cpu and gpu rects covered pixels)/(total cpu rects covered pixels)
double checkRectSimilarity(Size sz, vector<Rect>& cpu_rst, vector<Rect>& gpu_rst);
int main( int argc, const char** argv )
static int facedetect_one_thread(bool useCPU, double scale )
{
const char* keys =
"{ h | help | false | print help message }"
"{ i | input | | specify input image }"
"{ t | template | haarcascade_frontalface_alt.xml |"
" specify template file path }"
"{ c | scale | 1.0 | scale image }"
"{ s | use_cpu | false | use cpu or gpu to process the image }"
"{ o | output | facedetect_output.jpg |"
" specify output image save path(only works when input is images) }";
CommandLineParser cmd(argc, argv, keys);
if (cmd.get<bool>("help"))
{
cout << "Usage : facedetect [options]" << endl;
cout << "Available options:" << endl;
cmd.printParams();
return EXIT_SUCCESS;
}
CvCapture* capture = 0;
Mat frame, frameCopy, image;
bool useCPU = cmd.get<bool>("s");
string inputName = cmd.get<string>("i");
outputName = cmd.get<string>("o");
string cascadeName = cmd.get<string>("t");
double scale = cmd.get<double>("c");
ocl::OclCascadeClassifier cascade;
CascadeClassifier cpu_cascade;
if( !cascade.load( cascadeName ) || !cpu_cascade.load(cascadeName) )
{
cout << "ERROR: Could not load classifier cascade" << endl;
cout << "ERROR: Could not load classifier cascade: " << cascadeName << endl;
return EXIT_FAILURE;
}
@ -176,9 +158,114 @@ int main( int argc, const char** argv )
}
cvDestroyWindow("result");
std::cout<< "single-threaded sample has finished" <<std::endl;
return 0;
}
///////////////////////////////////////detectfaces with multithreading////////////////////////////////////////////
#if defined(_MSC_VER) && (_MSC_VER >= 1700)
#define MAX_THREADS 10
static void detectFaces(std::string fileName)
{
ocl::OclCascadeClassifier cascade;
if(!cascade.load(cascadeName))
{
std::cout << "ERROR: Could not load classifier cascade: " << cascadeName << std::endl;
return;
}
Mat img = imread(fileName, CV_LOAD_IMAGE_COLOR);
if (img.empty())
{
std::cout << "cann't open file " + fileName <<std::endl;
return;
}
ocl::oclMat d_img;
d_img.upload(img);
std::vector<Rect> oclfaces;
cascade.detectMultiScale(d_img, oclfaces, 1.1, 3, 0|CV_HAAR_SCALE_IMAGE, Size(30, 30), Size(0, 0));
for(unsigned int i = 0; i<oclfaces.size(); i++)
rectangle(img, Point(oclfaces[i].x, oclfaces[i].y), Point(oclfaces[i].x + oclfaces[i].width, oclfaces[i].y + oclfaces[i].height), colors[i%8], 3);
std::string::size_type pos = outputName.rfind('.');
std::string outputNameTid = outputName + '-' + std::to_string(_threadid);
if(pos == std::string::npos)
{
std::cout << "Invalid output file name: " << outputName << std::endl;
}
else
{
outputNameTid = outputName.substr(0, pos) + "_" + std::to_string(_threadid) + outputName.substr(pos);
imwrite(outputNameTid, img);
}
imshow(outputNameTid, img);
waitKey(0);
}
static void facedetect_multithreading(int nthreads)
{
int thread_number = MAX_THREADS < nthreads ? MAX_THREADS : nthreads;
std::vector<std::thread> threads;
for(int i = 0; i<thread_number; i++)
threads.push_back(std::thread(detectFaces, inputName));
for(int i = 0; i<thread_number; i++)
threads[i].join();
}
#endif
int main( int argc, const char** argv )
{
const char* keys =
"{ h | help | false | print help message }"
"{ i | input | | specify input image }"
"{ t | template | haarcascade_frontalface_alt.xml |"
" specify template file path }"
"{ c | scale | 1.0 | scale image }"
"{ s | use_cpu | false | use cpu or gpu to process the image }"
"{ o | output | facedetect_output.jpg |"
" specify output image save path(only works when input is images) }"
"{ n | thread_num | 1 | set number of threads >= 1 }";
CommandLineParser cmd(argc, argv, keys);
if (cmd.get<bool>("help"))
{
cout << "Usage : facedetect [options]" << endl;
cout << "Available options:" << endl;
cmd.printParams();
return EXIT_SUCCESS;
}
bool useCPU = cmd.get<bool>("s");
inputName = cmd.get<string>("i");
outputName = cmd.get<string>("o");
cascadeName = cmd.get<string>("t");
double scale = cmd.get<double>("c");
int n = cmd.get<int>("n");
if(n > 1)
{
#if defined(_MSC_VER) && (_MSC_VER >= 1700)
std::cout<<"multi-threaded sample is running" <<std::endl;
facedetect_multithreading(n);
std::cout<<"multi-threaded sample has finished" <<std::endl;
return 0;
#else
std::cout << "std::thread is not supported, running a single-threaded version" << std::endl;
#endif
}
if (n<0)
std::cout<<"incorrect number of threads:" << n << ", running a single-threaded version" <<std::endl;
else
std::cout<<"single-threaded sample is running" <<std::endl;
return facedetect_one_thread(useCPU, scale);
}
void detect( Mat& img, vector<Rect>& faces,
ocl::OclCascadeClassifier& cascade,
double scale, bool calTime)