opencv/samples/ocl/facedetect.cpp

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#include "opencv2/objdetect/objdetect.hpp"
#include "opencv2/highgui/highgui.hpp"
#include "opencv2/imgproc/imgproc.hpp"
#include "opencv2/ocl/ocl.hpp"
#include "opencv2/highgui/highgui_c.h"
#include <iostream>
#include <stdio.h>
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#if defined(_MSC_VER) && (_MSC_VER >= 1700)
# include <thread>
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#endif
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using namespace std;
using namespace cv;
#define LOOP_NUM 1
#define MAX_THREADS 10
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///////////////////////////single-threading faces detecting///////////////////////////////
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const static Scalar colors[] = { CV_RGB(0,0,255),
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CV_RGB(0,128,255),
CV_RGB(0,255,255),
CV_RGB(0,255,0),
CV_RGB(255,128,0),
CV_RGB(255,255,0),
CV_RGB(255,0,0),
CV_RGB(255,0,255)
} ;
int64 work_begin[MAX_THREADS] = {0};
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int64 work_total[MAX_THREADS] = {0};
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string inputName, outputName, cascadeName;
static void workBegin(int i = 0)
Merge remote-tracking branch 'origin/2.4' Pull requests: #943 from jet47:cuda-5.5-support #944 from jet47:cmake-2.8.11-cuda-fix #912 from SpecLad:contributing #934 from SpecLad:parallel-for #931 from jet47:gpu-test-fixes #932 from bitwangyaoyao:2.4_fixBFM #918 from bitwangyaoyao:2.4_samples #924 from pengx17:2.4_arithm_fix #925 from pengx17:2.4_canny_tmp_fix #927 from bitwangyaoyao:2.4_perf #930 from pengx17:2.4_haar_ext #928 from apavlenko:bugfix_3027 #920 from asmorkalov:android_move #910 from pengx17:2.4_oclgfft #913 from janm399:2.4 #916 from bitwangyaoyao:2.4_fixPyrLK #919 from abidrahmank:2.4 #923 from pengx17:2.4_macfix Conflicts: modules/calib3d/src/stereobm.cpp modules/features2d/src/detectors.cpp modules/gpu/src/error.cpp modules/gpu/src/precomp.hpp modules/imgproc/src/distransform.cpp modules/imgproc/src/morph.cpp modules/ocl/include/opencv2/ocl/ocl.hpp modules/ocl/perf/perf_color.cpp modules/ocl/perf/perf_imgproc.cpp modules/ocl/perf/perf_match_template.cpp modules/ocl/perf/precomp.cpp modules/ocl/perf/precomp.hpp modules/ocl/src/arithm.cpp modules/ocl/src/canny.cpp modules/ocl/src/filtering.cpp modules/ocl/src/haar.cpp modules/ocl/src/hog.cpp modules/ocl/src/imgproc.cpp modules/ocl/src/opencl/haarobjectdetect.cl modules/ocl/src/pyrlk.cpp modules/video/src/bgfg_gaussmix2.cpp modules/video/src/lkpyramid.cpp platforms/linux/scripts/cmake_arm_gnueabi_hardfp.sh platforms/linux/scripts/cmake_arm_gnueabi_softfp.sh platforms/scripts/ABI_compat_generator.py samples/ocl/facedetect.cpp
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{
work_begin[i] = getTickCount();
}
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static void workEnd(int i = 0)
{
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work_total[i] += (getTickCount() - work_begin[i]);
}
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static double getTotalTime(int i = 0)
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{
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return work_total[i] /getTickFrequency() * 1000.;
}
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static void detect( Mat& img, vector<Rect>& faces,
ocl::OclCascadeClassifier& cascade,
double scale);
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static void detectCPU( Mat& img, vector<Rect>& faces,
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CascadeClassifier& cascade,
double scale);
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static void Draw(Mat& img, vector<Rect>& faces, double scale);
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// This function test if gpu_rst matches cpu_rst.
// If the two vectors are not equal, it will return the difference in vector size
// Else if will return (total diff of each cpu and gpu rects covered pixels)/(total cpu rects covered pixels)
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double checkRectSimilarity(Size sz, vector<Rect>& cpu_rst, vector<Rect>& gpu_rst);
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static int facedetect_one_thread(bool useCPU, double scale )
{
CvCapture* capture = 0;
Mat frame, frameCopy0, frameCopy, image;
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ocl::OclCascadeClassifier cascade;
CascadeClassifier cpu_cascade;
if( !cascade.load( cascadeName ) || !cpu_cascade.load(cascadeName) )
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{
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cout << "ERROR: Could not load classifier cascade: " << cascadeName << endl;
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return EXIT_FAILURE;
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}
if( inputName.empty() )
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{
capture = cvCaptureFromCAM(0);
Merge remote-tracking branch 'origin/2.4' Pull requests: #943 from jet47:cuda-5.5-support #944 from jet47:cmake-2.8.11-cuda-fix #912 from SpecLad:contributing #934 from SpecLad:parallel-for #931 from jet47:gpu-test-fixes #932 from bitwangyaoyao:2.4_fixBFM #918 from bitwangyaoyao:2.4_samples #924 from pengx17:2.4_arithm_fix #925 from pengx17:2.4_canny_tmp_fix #927 from bitwangyaoyao:2.4_perf #930 from pengx17:2.4_haar_ext #928 from apavlenko:bugfix_3027 #920 from asmorkalov:android_move #910 from pengx17:2.4_oclgfft #913 from janm399:2.4 #916 from bitwangyaoyao:2.4_fixPyrLK #919 from abidrahmank:2.4 #923 from pengx17:2.4_macfix Conflicts: modules/calib3d/src/stereobm.cpp modules/features2d/src/detectors.cpp modules/gpu/src/error.cpp modules/gpu/src/precomp.hpp modules/imgproc/src/distransform.cpp modules/imgproc/src/morph.cpp modules/ocl/include/opencv2/ocl/ocl.hpp modules/ocl/perf/perf_color.cpp modules/ocl/perf/perf_imgproc.cpp modules/ocl/perf/perf_match_template.cpp modules/ocl/perf/precomp.cpp modules/ocl/perf/precomp.hpp modules/ocl/src/arithm.cpp modules/ocl/src/canny.cpp modules/ocl/src/filtering.cpp modules/ocl/src/haar.cpp modules/ocl/src/hog.cpp modules/ocl/src/imgproc.cpp modules/ocl/src/opencl/haarobjectdetect.cl modules/ocl/src/pyrlk.cpp modules/video/src/bgfg_gaussmix2.cpp modules/video/src/lkpyramid.cpp platforms/linux/scripts/cmake_arm_gnueabi_hardfp.sh platforms/linux/scripts/cmake_arm_gnueabi_softfp.sh platforms/scripts/ABI_compat_generator.py samples/ocl/facedetect.cpp
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if(!capture)
cout << "Capture from CAM 0 didn't work" << endl;
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}
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else
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{
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image = imread( inputName, CV_LOAD_IMAGE_COLOR );
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if( image.empty() )
{
capture = cvCaptureFromAVI( inputName.c_str() );
Merge remote-tracking branch 'origin/2.4' Pull requests: #943 from jet47:cuda-5.5-support #944 from jet47:cmake-2.8.11-cuda-fix #912 from SpecLad:contributing #934 from SpecLad:parallel-for #931 from jet47:gpu-test-fixes #932 from bitwangyaoyao:2.4_fixBFM #918 from bitwangyaoyao:2.4_samples #924 from pengx17:2.4_arithm_fix #925 from pengx17:2.4_canny_tmp_fix #927 from bitwangyaoyao:2.4_perf #930 from pengx17:2.4_haar_ext #928 from apavlenko:bugfix_3027 #920 from asmorkalov:android_move #910 from pengx17:2.4_oclgfft #913 from janm399:2.4 #916 from bitwangyaoyao:2.4_fixPyrLK #919 from abidrahmank:2.4 #923 from pengx17:2.4_macfix Conflicts: modules/calib3d/src/stereobm.cpp modules/features2d/src/detectors.cpp modules/gpu/src/error.cpp modules/gpu/src/precomp.hpp modules/imgproc/src/distransform.cpp modules/imgproc/src/morph.cpp modules/ocl/include/opencv2/ocl/ocl.hpp modules/ocl/perf/perf_color.cpp modules/ocl/perf/perf_imgproc.cpp modules/ocl/perf/perf_match_template.cpp modules/ocl/perf/precomp.cpp modules/ocl/perf/precomp.hpp modules/ocl/src/arithm.cpp modules/ocl/src/canny.cpp modules/ocl/src/filtering.cpp modules/ocl/src/haar.cpp modules/ocl/src/hog.cpp modules/ocl/src/imgproc.cpp modules/ocl/src/opencl/haarobjectdetect.cl modules/ocl/src/pyrlk.cpp modules/video/src/bgfg_gaussmix2.cpp modules/video/src/lkpyramid.cpp platforms/linux/scripts/cmake_arm_gnueabi_hardfp.sh platforms/linux/scripts/cmake_arm_gnueabi_softfp.sh platforms/scripts/ABI_compat_generator.py samples/ocl/facedetect.cpp
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if(!capture)
cout << "Capture from AVI didn't work" << endl;
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return EXIT_FAILURE;
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}
}
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if( capture )
{
cout << "In capture ..." << endl;
for(;;)
{
IplImage* iplImg = cvQueryFrame( capture );
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frame = cv::cvarrToMat(iplImg);
vector<Rect> faces;
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if( frame.empty() )
break;
if( iplImg->origin == IPL_ORIGIN_TL )
frame.copyTo( frameCopy0 );
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else
flip( frame, frameCopy0, 0 );
if( scale == 1)
frameCopy0.copyTo(frameCopy);
else
resize(frameCopy0, frameCopy, Size(), 1./scale, 1./scale, INTER_LINEAR);
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if(useCPU)
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detectCPU(frameCopy, faces, cpu_cascade, 1);
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else
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detect(frameCopy, faces, cascade, 1);
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Draw(frameCopy, faces, 1);
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if( waitKey( 10 ) >= 0 )
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break;
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}
cvReleaseCapture( &capture );
}
else
{
cout << "In image read " << image.size() << endl;
vector<Rect> faces;
vector<Rect> ref_rst;
double accuracy = 0.;
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detectCPU(image, ref_rst, cpu_cascade, scale);
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cout << "loops: ";
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for(int i = 0; i <= LOOP_NUM; i ++)
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{
cout << i << ", ";
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if(useCPU)
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detectCPU(image, faces, cpu_cascade, scale);
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else
{
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detect(image, faces, cascade, scale);
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if(i == 0)
{
accuracy = checkRectSimilarity(image.size(), ref_rst, faces);
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}
}
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}
cout << "done!" << endl;
if (useCPU)
cout << "average CPU time (noCamera) : ";
else
cout << "average GPU time (noCamera) : ";
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cout << getTotalTime() / LOOP_NUM << " ms" << endl;
cout << "accuracy value: " << accuracy <<endl;
Draw(image, faces, scale);
waitKey(0);
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}
cvDestroyWindow("result");
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std::cout<< "single-threaded sample has finished" <<std::endl;
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return 0;
}
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///////////////////////////////////////detectfaces with multithreading////////////////////////////////////////////
#if defined(_MSC_VER) && (_MSC_VER >= 1700)
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static void detectFaces(std::string fileName, int threadNum)
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{
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ocl::OclCascadeClassifier cascade;
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if(!cascade.load(cascadeName))
{
std::cout << "ERROR: Could not load classifier cascade: " << cascadeName << std::endl;
return;
}
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Mat img = imread(fileName, CV_LOAD_IMAGE_COLOR);
if (img.empty())
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{
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std::cout << '[' << threadNum << "] " << "can't open file " + fileName <<std::endl;
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return;
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}
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ocl::oclMat d_img;
d_img.upload(img);
std::vector<Rect> oclfaces;
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std::thread::id tid = std::this_thread::get_id();
std::cout << '[' << threadNum << "] "
<< "ThreadID = " << tid
<< ", CommandQueue = " << *(void**)ocl::getClCommandQueuePtr()
<< endl;
for(int i = 0; i <= LOOP_NUM; i++)
{
if(i>0) workBegin(threadNum);
cascade.detectMultiScale(d_img, oclfaces, 1.1, 3, 0|CASCADE_SCALE_IMAGE, Size(30, 30), Size(0, 0));
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if(i>0) workEnd(threadNum);
}
std::cout << '[' << threadNum << "] " << "Average time = " << getTotalTime(threadNum) / LOOP_NUM << " ms" << endl;
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for(unsigned int i = 0; i<oclfaces.size(); i++)
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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);
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std::string::size_type pos = outputName.rfind('.');
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std::string strTid = std::to_string(_threadid);
if( !outputName.empty() )
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{
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if(pos == std::string::npos)
{
std::cout << "Invalid output file name: " << outputName << std::endl;
}
else
{
std::string outputNameTid = outputName.substr(0, pos) + "_" + strTid + outputName.substr(pos);
imwrite(outputNameTid, img);
}
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}
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imshow(strTid, img);
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waitKey(0);
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}
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++)
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threads.push_back(std::thread(detectFaces, inputName, i));
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for(int i = 0; i<thread_number; i++)
threads[i].join();
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}
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#endif
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int main( int argc, const char** argv )
{
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const char* keys =
"{ h help | false | print help message }"
"{ i input | | specify input image }"
"{ t template | haarcascade_frontalface_alt.xml |"
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" specify template file path }"
"{ c scale | 1.0 | scale image }"
"{ s use_cpu | false | use cpu or gpu to process the image }"
"{ o output | | specify output image save path(only works when input is images) }"
"{ n thread_num | 1 | set number of threads >= 1 }";
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CommandLineParser cmd(argc, argv, keys);
if (cmd.has("help"))
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{
cout << "Usage : facedetect [options]" << endl;
cout << "Available options:" << endl;
cmd.printMessage();
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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);
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}
Merge remote-tracking branch 'origin/2.4' Pull requests: #943 from jet47:cuda-5.5-support #944 from jet47:cmake-2.8.11-cuda-fix #912 from SpecLad:contributing #934 from SpecLad:parallel-for #931 from jet47:gpu-test-fixes #932 from bitwangyaoyao:2.4_fixBFM #918 from bitwangyaoyao:2.4_samples #924 from pengx17:2.4_arithm_fix #925 from pengx17:2.4_canny_tmp_fix #927 from bitwangyaoyao:2.4_perf #930 from pengx17:2.4_haar_ext #928 from apavlenko:bugfix_3027 #920 from asmorkalov:android_move #910 from pengx17:2.4_oclgfft #913 from janm399:2.4 #916 from bitwangyaoyao:2.4_fixPyrLK #919 from abidrahmank:2.4 #923 from pengx17:2.4_macfix Conflicts: modules/calib3d/src/stereobm.cpp modules/features2d/src/detectors.cpp modules/gpu/src/error.cpp modules/gpu/src/precomp.hpp modules/imgproc/src/distransform.cpp modules/imgproc/src/morph.cpp modules/ocl/include/opencv2/ocl/ocl.hpp modules/ocl/perf/perf_color.cpp modules/ocl/perf/perf_imgproc.cpp modules/ocl/perf/perf_match_template.cpp modules/ocl/perf/precomp.cpp modules/ocl/perf/precomp.hpp modules/ocl/src/arithm.cpp modules/ocl/src/canny.cpp modules/ocl/src/filtering.cpp modules/ocl/src/haar.cpp modules/ocl/src/hog.cpp modules/ocl/src/imgproc.cpp modules/ocl/src/opencl/haarobjectdetect.cl modules/ocl/src/pyrlk.cpp modules/video/src/bgfg_gaussmix2.cpp modules/video/src/lkpyramid.cpp platforms/linux/scripts/cmake_arm_gnueabi_hardfp.sh platforms/linux/scripts/cmake_arm_gnueabi_softfp.sh platforms/scripts/ABI_compat_generator.py samples/ocl/facedetect.cpp
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void detect( Mat& img, vector<Rect>& faces,
ocl::OclCascadeClassifier& cascade,
double scale)
{
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ocl::oclMat image(img);
ocl::oclMat gray, smallImg( cvRound (img.rows/scale), cvRound(img.cols/scale), CV_8UC1 );
workBegin();
ocl::cvtColor( image, gray, COLOR_BGR2GRAY );
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ocl::resize( gray, smallImg, smallImg.size(), 0, 0, INTER_LINEAR );
ocl::equalizeHist( smallImg, smallImg );
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cascade.detectMultiScale( smallImg, faces, 1.1,
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3, 0
|CASCADE_SCALE_IMAGE
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, Size(30,30), Size(0, 0) );
workEnd();
}
Merge remote-tracking branch 'origin/2.4' Pull requests: #943 from jet47:cuda-5.5-support #944 from jet47:cmake-2.8.11-cuda-fix #912 from SpecLad:contributing #934 from SpecLad:parallel-for #931 from jet47:gpu-test-fixes #932 from bitwangyaoyao:2.4_fixBFM #918 from bitwangyaoyao:2.4_samples #924 from pengx17:2.4_arithm_fix #925 from pengx17:2.4_canny_tmp_fix #927 from bitwangyaoyao:2.4_perf #930 from pengx17:2.4_haar_ext #928 from apavlenko:bugfix_3027 #920 from asmorkalov:android_move #910 from pengx17:2.4_oclgfft #913 from janm399:2.4 #916 from bitwangyaoyao:2.4_fixPyrLK #919 from abidrahmank:2.4 #923 from pengx17:2.4_macfix Conflicts: modules/calib3d/src/stereobm.cpp modules/features2d/src/detectors.cpp modules/gpu/src/error.cpp modules/gpu/src/precomp.hpp modules/imgproc/src/distransform.cpp modules/imgproc/src/morph.cpp modules/ocl/include/opencv2/ocl/ocl.hpp modules/ocl/perf/perf_color.cpp modules/ocl/perf/perf_imgproc.cpp modules/ocl/perf/perf_match_template.cpp modules/ocl/perf/precomp.cpp modules/ocl/perf/precomp.hpp modules/ocl/src/arithm.cpp modules/ocl/src/canny.cpp modules/ocl/src/filtering.cpp modules/ocl/src/haar.cpp modules/ocl/src/hog.cpp modules/ocl/src/imgproc.cpp modules/ocl/src/opencl/haarobjectdetect.cl modules/ocl/src/pyrlk.cpp modules/video/src/bgfg_gaussmix2.cpp modules/video/src/lkpyramid.cpp platforms/linux/scripts/cmake_arm_gnueabi_hardfp.sh platforms/linux/scripts/cmake_arm_gnueabi_softfp.sh platforms/scripts/ABI_compat_generator.py samples/ocl/facedetect.cpp
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void detectCPU( Mat& img, vector<Rect>& faces,
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CascadeClassifier& cascade,
double scale)
{
workBegin();
Mat cpu_gray, cpu_smallImg( cvRound (img.rows/scale), cvRound(img.cols/scale), CV_8UC1 );
cvtColor(img, cpu_gray, COLOR_BGR2GRAY);
resize(cpu_gray, cpu_smallImg, cpu_smallImg.size(), 0, 0, INTER_LINEAR);
equalizeHist(cpu_smallImg, cpu_smallImg);
cascade.detectMultiScale(cpu_smallImg, faces, 1.1,
3, 0 | CASCADE_SCALE_IMAGE,
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Size(30, 30), Size(0, 0));
workEnd();
}
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void Draw(Mat& img, vector<Rect>& faces, double scale)
{
int i = 0;
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for( vector<Rect>::const_iterator r = faces.begin(); r != faces.end(); r++, i++ )
{
Point center;
Scalar color = colors[i%8];
int radius;
center.x = cvRound((r->x + r->width*0.5)*scale);
center.y = cvRound((r->y + r->height*0.5)*scale);
radius = cvRound((r->width + r->height)*0.25*scale);
circle( img, center, radius, color, 3, 8, 0 );
}
//if( !outputName.empty() ) imwrite( outputName, img );
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if( abs(scale-1.0)>.001 )
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{
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resize(img, img, Size((int)(img.cols/scale), (int)(img.rows/scale)));
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}
imshow( "result", img );
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}
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double checkRectSimilarity(Size sz, vector<Rect>& ob1, vector<Rect>& ob2)
{
double final_test_result = 0.0;
size_t sz1 = ob1.size();
size_t sz2 = ob2.size();
if(sz1 != sz2)
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{
return sz1 > sz2 ? (double)(sz1 - sz2) : (double)(sz2 - sz1);
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}
else
{
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if(sz1==0 && sz2==0)
return 0;
Mat cpu_result(sz, CV_8UC1);
cpu_result.setTo(0);
for(vector<Rect>::const_iterator r = ob1.begin(); r != ob1.end(); r++)
Merge remote-tracking branch 'origin/2.4' Pull requests: #943 from jet47:cuda-5.5-support #944 from jet47:cmake-2.8.11-cuda-fix #912 from SpecLad:contributing #934 from SpecLad:parallel-for #931 from jet47:gpu-test-fixes #932 from bitwangyaoyao:2.4_fixBFM #918 from bitwangyaoyao:2.4_samples #924 from pengx17:2.4_arithm_fix #925 from pengx17:2.4_canny_tmp_fix #927 from bitwangyaoyao:2.4_perf #930 from pengx17:2.4_haar_ext #928 from apavlenko:bugfix_3027 #920 from asmorkalov:android_move #910 from pengx17:2.4_oclgfft #913 from janm399:2.4 #916 from bitwangyaoyao:2.4_fixPyrLK #919 from abidrahmank:2.4 #923 from pengx17:2.4_macfix Conflicts: modules/calib3d/src/stereobm.cpp modules/features2d/src/detectors.cpp modules/gpu/src/error.cpp modules/gpu/src/precomp.hpp modules/imgproc/src/distransform.cpp modules/imgproc/src/morph.cpp modules/ocl/include/opencv2/ocl/ocl.hpp modules/ocl/perf/perf_color.cpp modules/ocl/perf/perf_imgproc.cpp modules/ocl/perf/perf_match_template.cpp modules/ocl/perf/precomp.cpp modules/ocl/perf/precomp.hpp modules/ocl/src/arithm.cpp modules/ocl/src/canny.cpp modules/ocl/src/filtering.cpp modules/ocl/src/haar.cpp modules/ocl/src/hog.cpp modules/ocl/src/imgproc.cpp modules/ocl/src/opencl/haarobjectdetect.cl modules/ocl/src/pyrlk.cpp modules/video/src/bgfg_gaussmix2.cpp modules/video/src/lkpyramid.cpp platforms/linux/scripts/cmake_arm_gnueabi_hardfp.sh platforms/linux/scripts/cmake_arm_gnueabi_softfp.sh platforms/scripts/ABI_compat_generator.py samples/ocl/facedetect.cpp
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{
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Mat cpu_result_roi(cpu_result, *r);
cpu_result_roi.setTo(1);
cpu_result.copyTo(cpu_result);
}
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int cpu_area = countNonZero(cpu_result > 0);
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Mat gpu_result(sz, CV_8UC1);
gpu_result.setTo(0);
for(vector<Rect>::const_iterator r2 = ob2.begin(); r2 != ob2.end(); r2++)
{
cv::Mat gpu_result_roi(gpu_result, *r2);
gpu_result_roi.setTo(1);
gpu_result.copyTo(gpu_result);
}
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Mat result_;
multiply(cpu_result, gpu_result, result_);
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int result = countNonZero(result_ > 0);
if(cpu_area!=0 && result!=0)
final_test_result = 1.0 - (double)result/(double)cpu_area;
else if(cpu_area==0 && result!=0)
final_test_result = -1;
}
return final_test_result;
}