mirror of
https://github.com/opencv/opencv.git
synced 2024-12-25 18:18:04 +08:00
110 lines
2.8 KiB
C++
110 lines
2.8 KiB
C++
#include <iostream>
|
|
#include "opencv2/core/core.hpp"
|
|
#include "opencv2/core/utility.hpp"
|
|
#include "opencv2/imgproc/imgproc.hpp"
|
|
#include "opencv2/highgui/highgui.hpp"
|
|
#include "opencv2/ocl/ocl.hpp"
|
|
using namespace cv;
|
|
using namespace std;
|
|
|
|
Ptr<CLAHE> pFilter;
|
|
int tilesize;
|
|
int cliplimit;
|
|
string outfile;
|
|
|
|
static void TSize_Callback(int pos)
|
|
{
|
|
if(pos==0)
|
|
{
|
|
pFilter->setTilesGridSize(Size(1,1));
|
|
}
|
|
pFilter->setTilesGridSize(Size(tilesize,tilesize));
|
|
}
|
|
|
|
static void Clip_Callback(int)
|
|
{
|
|
pFilter->setClipLimit(cliplimit);
|
|
}
|
|
|
|
int main(int argc, char** argv)
|
|
{
|
|
const char* keys =
|
|
"{ i input | | specify input image }"
|
|
"{ c camera | 0 | specify camera id }"
|
|
"{ s use_cpu | false | use cpu algorithm }"
|
|
"{ o output | clahe_output.jpg | specify output save path}";
|
|
|
|
CommandLineParser cmd(argc, argv, keys);
|
|
string infile = cmd.get<string>("i");
|
|
outfile = cmd.get<string>("o");
|
|
int camid = cmd.get<int>("c");
|
|
bool use_cpu = cmd.get<bool>("s");
|
|
VideoCapture capture;
|
|
bool running = true;
|
|
|
|
namedWindow("CLAHE");
|
|
createTrackbar("Tile Size", "CLAHE", &tilesize, 32, (TrackbarCallback)TSize_Callback);
|
|
createTrackbar("Clip Limit", "CLAHE", &cliplimit, 20, (TrackbarCallback)Clip_Callback);
|
|
Mat frame, outframe;
|
|
ocl::oclMat d_outframe;
|
|
|
|
int cur_clip;
|
|
Size cur_tilesize;
|
|
if(use_cpu)
|
|
{
|
|
pFilter = createCLAHE();
|
|
}
|
|
else
|
|
{
|
|
pFilter = ocl::createCLAHE();
|
|
}
|
|
cur_clip = (int)pFilter->getClipLimit();
|
|
cur_tilesize = pFilter->getTilesGridSize();
|
|
setTrackbarPos("Tile Size", "CLAHE", cur_tilesize.width);
|
|
setTrackbarPos("Clip Limit", "CLAHE", cur_clip);
|
|
if(infile != "")
|
|
{
|
|
frame = imread(infile);
|
|
if(frame.empty())
|
|
{
|
|
cout << "error read image: " << infile << endl;
|
|
return -1;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
capture.open(camid);
|
|
}
|
|
cout << "\nControls:\n"
|
|
<< "\to - save output image\n"
|
|
<< "\tESC - exit\n";
|
|
while(running)
|
|
{
|
|
if(capture.isOpened())
|
|
capture.read(frame);
|
|
else
|
|
frame = imread(infile);
|
|
if(frame.empty())
|
|
{
|
|
continue;
|
|
}
|
|
if(use_cpu)
|
|
{
|
|
cvtColor(frame, frame, COLOR_BGR2GRAY);
|
|
pFilter->apply(frame, outframe);
|
|
}
|
|
else
|
|
{
|
|
ocl::oclMat d_frame(frame);
|
|
ocl::cvtColor(d_frame, d_outframe, COLOR_BGR2GRAY);
|
|
pFilter->apply(d_outframe, d_outframe);
|
|
d_outframe.download(outframe);
|
|
}
|
|
imshow("CLAHE", outframe);
|
|
char key = (char)waitKey(3);
|
|
if(key == 'o') imwrite(outfile, outframe);
|
|
else if(key == 27) running = false;
|
|
}
|
|
return 0;
|
|
}
|