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converted CPU-based example to T-API (Mat 2 UMat, etc)

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This commit is contained in:
Ilya Lavrenov 2013-12-29 14:36:30 +04:00
parent 63e4af8536
commit c4c913ff13
3 changed files with 52 additions and 28 deletions
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6
modules/core/include/opencv2/core/mat.inl.hpp
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@ -267,6 +267,12 @@ inline _InputOutputArray::_InputOutputArray(const Mat& m)
inline _InputOutputArray::_InputOutputArray(const std::vector<Mat>& vec)
{ init(FIXED_SIZE + STD_VECTOR_MAT + ACCESS_RW, &vec); }
inline _InputOutputArray::_InputOutputArray(const UMat& m)
{ init(FIXED_TYPE + FIXED_SIZE + UMAT + ACCESS_RW, &m); }
inline _InputOutputArray::_InputOutputArray(const std::vector<UMat>& vec)
{ init(FIXED_SIZE + STD_VECTOR_UMAT + ACCESS_RW, &vec); }
inline _InputOutputArray::_InputOutputArray(const cuda::GpuMat& d_mat)
{ init(FIXED_TYPE + FIXED_SIZE + GPU_MAT + ACCESS_RW, &d_mat); }

5
samples/ocl/CMakeLists.txt
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@ -1,6 +1,7 @@
SET(OPENCV_OCL_SAMPLES_REQUIRED_DEPS opencv_core opencv_imgproc opencv_highgui
SET(OPENCV_OCL_SAMPLES_REQUIRED_DEPS opencv_core opencv_flann opencv_imgproc opencv_highgui
opencv_ml opencv_video opencv_objdetect opencv_features2d
opencv_ocl opencv_nonfree opencv_bioinspired)
opencv_calib3d opencv_legacy opencv_contrib opencv_ocl
opencv_nonfree opencv_bioinspired)
ocv_check_dependencies(${OPENCV_OCL_SAMPLES_REQUIRED_DEPS})

69
samples/tapi/camshift.cpp
View File

@ -1,4 +1,5 @@
#include "opencv2/core/utility.hpp"
#include "opencv2/core/ocl.hpp"
#include "opencv2/video/tracking.hpp"
#include "opencv2/imgproc/imgproc.hpp"
#include "opencv2/highgui/highgui.hpp"
@ -6,17 +7,18 @@
#include <iostream>
#include <cctype>
static cv::Mat image;
static cv::UMat image;
static bool backprojMode = false;
static bool selectObject = false;
static int trackObject = 0;
static bool showHist = true;
static cv::Point origin;
static cv::Rect selection;
static int vmin = 10, vmax = 256, smin = 30;
static void onMouse(int event, int x, int y, int, void*)
{
static cv::Point origin;
if (selectObject)
{
selection.x = std::min(x, origin.x);
@ -27,7 +29,7 @@ static void onMouse(int event, int x, int y, int, void*)
selection &= cv::Rect(0, 0, image.cols, image.rows);
}
switch(event)
switch (event)
{
case cv::EVENT_LBUTTONDOWN:
origin = cv::Point(x, y);
@ -54,14 +56,15 @@ static void help()
std::cout << "\n\nHot keys: \n"
"\tESC - quit the program\n"
"\tc - stop the tracking\n"
"\ts - stop the tracking\n"
"\tb - switch to/from backprojection view\n"
"\th - show/hide object histogram\n"
"\tp - pause video\n"
"\tc - use OpenCL or not\n"
"To initialize tracking, select the object with mouse\n";
}
int main(int argc, const char** argv)
int main(int argc, const char ** argv)
{
help();
@ -69,7 +72,6 @@ int main(int argc, const char** argv)
cv::Rect trackWindow;
int hsize = 16;
float hranges[2] = { 0, 180 };
const float * phranges = hranges;
const char * const keys = { "{@camera_number| 0 | camera number}" };
cv::CommandLineParser parser(argc, argv, keys);
@ -80,6 +82,7 @@ int main(int argc, const char** argv)
if (!cap.isOpened())
{
help();
std::cout << "***Could not initialize capturing...***\n";
std::cout << "Current parameter's value: \n";
parser.printMessage();
@ -89,12 +92,13 @@ int main(int argc, const char** argv)
cv::namedWindow("Histogram", cv::WINDOW_NORMAL);
cv::namedWindow("CamShift Demo", cv::WINDOW_NORMAL);
cv::setMouseCallback("CamShift Demo", onMouse, NULL);
cv::createTrackbar("Vmin", "CamShift Demo", &vmin, 256, NULL);
cv::createTrackbar("Vmax", "CamShift Demo", &vmax, 256, NULL);
cv::createTrackbar("Smin", "CamShift Demo", &smin, 256, NULL);
cv::setMouseCallback("CamShift Demo", onMouse);
cv::createTrackbar("Vmin", "CamShift Demo", &vmin, 256);
cv::createTrackbar("Vmax", "CamShift Demo", &vmax, 256);
cv::createTrackbar("Smin", "CamShift Demo", &smin, 256);
cv::Mat frame, hsv, hue, mask, hist, histimg = cv::Mat::zeros(200, 320, CV_8UC3), backproj;
cv::Mat frame, histimg(200, 320, CV_8UC3, cv::Scalar::all(0));
cv::UMat hsv, hist, hue, mask, backproj;
bool paused = false;
for ( ; ; )
@ -119,14 +123,15 @@ int main(int argc, const char** argv)
cv::inRange(hsv, cv::Scalar(0, smin, std::min(_vmin, _vmax)),
cv::Scalar(180, 256, std::max(_vmin, _vmax)), mask);
int ch[2] = { 0, 0 };
int fromTo[2] = { 0,0 };
hue.create(hsv.size(), hsv.depth());
cv::mixChannels(&hsv, 1, &hue, 1, ch, 1);
cv::mixChannels(std::vector<cv::UMat>(1, hsv), std::vector<cv::UMat>(1, hue), fromTo, 1);
if (trackObject < 0)
{
cv::Mat roi(hue, selection), maskroi(mask, selection);
cv::calcHist(&roi, 1, 0, maskroi, hist, 1, &hsize, &phranges);
cv::UMat roi(hue, selection), maskroi(mask, selection);
cv::calcHist(std::vector<cv::Mat>(1, roi.getMat(cv::ACCESS_READ)), std::vector<int>(1, 0),
maskroi, hist, std::vector<int>(1, hsize), std::vector<float>(hranges, hranges + 2));
cv::normalize(hist, hist, 0, 255, cv::NORM_MINMAX);
trackWindow = selection;
@ -139,17 +144,22 @@ int main(int argc, const char** argv)
buf.at<cv::Vec3b>(i) = cv::Vec3b(cv::saturate_cast<uchar>(i*180./hsize), 255, 255);
cv::cvtColor(buf, buf, cv::COLOR_HSV2BGR);
for (int i = 0; i < hsize; i++)
{
int val = cv::saturate_cast<int>(hist.at<float>(i)*histimg.rows/255);
cv::rectangle(histimg, cv::Point(i*binW, histimg.rows),
cv::Point((i+1)*binW, histimg.rows - val),
cv::Scalar(buf.at<cv::Vec3b>(i)), -1, 8);
cv::Mat _hist = hist.getMat(cv::ACCESS_READ);
for (int i = 0; i < hsize; i++)
{
int val = cv::saturate_cast<int>(_hist.at<float>(i)*histimg.rows/255);
cv::rectangle(histimg, cv::Point(i*binW, histimg.rows),
cv::Point((i+1)*binW, histimg.rows - val),
cv::Scalar(buf.at<cv::Vec3b>(i)), -1, 8);
}
}
}
cv::calcBackProject(&hue, 1, 0, hist, backproj, &phranges);
backproj &= mask;
cv::calcBackProject(std::vector<cv::UMat>(1, hue), std::vector<int>(1, 0), hist, backproj,
std::vector<float>(hranges, hranges + 2), 1.0);
cv::bitwise_and(backproj, mask, backproj);
cv::RotatedRect trackBox = cv::CamShift(backproj, trackWindow,
cv::TermCriteria(cv::TermCriteria::EPS | cv::TermCriteria::COUNT, 10, 1));
if (trackWindow.area() <= 1)
@ -162,7 +172,11 @@ int main(int argc, const char** argv)
if (backprojMode)
cv::cvtColor(backproj, image, cv::COLOR_GRAY2BGR);
cv::ellipse(image, trackBox, cv::Scalar(0, 0, 255), 3, cv::LINE_AA);
{
cv::Mat _image = image.getMat(cv::ACCESS_RW);
cv::ellipse(_image, trackBox, cv::Scalar(0, 0, 255), 3, cv::LINE_AA);
}
}
}
else if (trackObject < 0)
@ -170,12 +184,13 @@ int main(int argc, const char** argv)
if (selectObject && selection.width > 0 && selection.height > 0)
{
cv::Mat roi(image, selection);
cv::UMat roi(image, selection);
cv::bitwise_not(roi, roi);
}
cv::imshow("CamShift Demo", image);
cv::imshow("Histogram", histimg);
if (showHist)
cv::imshow("Histogram", histimg);
char c = (char)cv::waitKey(10);
if (c == 27)
@ -186,7 +201,7 @@ int main(int argc, const char** argv)
case 'b':
backprojMode = !backprojMode;
break;
case 'c':
case 't':
trackObject = 0;
histimg = cv::Scalar::all(0);
break;
@ -200,6 +215,8 @@ int main(int argc, const char** argv)
case 'p':
paused = !paused;
break;
case 'c':
cv::ocl::setUseOpenCL(!cv::ocl::useOpenCL());
default:
break;
}