1 #include <visp3/core/vpImageConvert.h>
4 #include <visp3/gui/vpDisplayOpenCV.h>
5 #include <visp3/io/vpVideoReader.h>
6 #include <visp3/klt/vpKltOpencv.h>
9 int main(
int argc,
const char *argv[])
12 #if (defined(HAVE_OPENCV_HIGHGUI) && defined(HAVE_OPENCV_VIDEOIO) || defined(VISP_HAVE_V4L2)) && defined(HAVE_OPENCV_IMGPROC) && defined(HAVE_OPENCV_VIDEO)
15 std::string opt_videoname =
"video-postcard.mp4";
16 bool opt_init_by_click =
false;
17 unsigned int opt_subsample = 1;
18 for (
int i = 0; i < argc; i++) {
19 if (std::string(argv[i]) ==
"--videoname")
20 opt_videoname = std::string(argv[i + 1]);
21 else if (std::string(argv[i]) ==
"--init-by-click")
22 opt_init_by_click =
true;
23 else if (std::string(argv[i]) ==
"--subsample")
24 opt_subsample =
static_cast<unsigned int>(std::atoi(argv[i + 1]));
25 else if (std::string(argv[i]) ==
"--help" || std::string(argv[i]) ==
"-h") {
26 std::cout <<
"Usage: " << argv[0]
27 <<
" [--videoname <video name>] [--subsample <scale factor>] [--init-by-click]"
28 <<
" [--help] [-h]" << std::endl;
41 Iacq.
subsample(opt_subsample, opt_subsample, I);
70 if (opt_init_by_click) {
72 #if (VISP_HAVE_OPENCV_VERSION < 0x020408)
73 std::vector<CvPoint2D32f> feature;
75 std::vector<cv::Point2f> feature;
82 feature.push_back(cv::Point2f((
float)ip.
get_u(), (
float)ip.
get_v()));
89 #if (VISP_HAVE_OPENCV_VERSION < 0x020408)
101 std::cout <<
"Tracker initialized with " << tracker.
getNbFeatures() <<
" features" << std::endl;
105 while (!reader.
end()) {
108 Iacq.
subsample(opt_subsample, opt_subsample, I);
115 #if (VISP_HAVE_OPENCV_VERSION < 0x020408)
116 std::vector<CvPoint2D32f> feature;
118 std::vector<cv::Point2f> feature;
125 feature.push_back(cv::Point2f((
float)ip.
get_u(), (
float)ip.
get_v()));
132 #if (VISP_HAVE_OPENCV_VERSION < 0x020408)
158 std::cout <<
"Catch an exception: " << e << std::endl;
static const vpColor green
The vpDisplayOpenCV allows to display image using the OpenCV library. Thus to enable this class OpenC...
static bool getClick(const vpImage< unsigned char > &I, bool blocking=true)
static void display(const vpImage< unsigned char > &I)
static void displayCross(const vpImage< unsigned char > &I, const vpImagePoint &ip, unsigned int size, const vpColor &color, unsigned int thickness=1)
static void flush(const vpImage< unsigned char > &I)
static void displayText(const vpImage< unsigned char > &I, const vpImagePoint &ip, const std::string &s, const vpColor &color)
error that can be emitted by ViSP classes.
static void convert(const vpImage< unsigned char > &src, vpImage< vpRGBa > &dest)
Class that defines a 2D point in an image. This class is useful for image processing and stores only ...
void subsample(unsigned int v_scale, unsigned int h_scale, vpImage< Type > &sampled) const
Wrapper for the KLT (Kanade-Lucas-Tomasi) feature tracker implemented in OpenCV. Thus to enable this ...
void setBlockSize(int blockSize)
void setQuality(double qualityLevel)
void track(const cv::Mat &I)
int getNbFeatures() const
Get the number of current features.
void setHarrisFreeParameter(double harris_k)
void setMaxFeatures(int maxCount)
void initTracking(const cv::Mat &I, const cv::Mat &mask=cv::Mat())
void setMinDistance(double minDistance)
void display(const vpImage< unsigned char > &I, const vpColor &color=vpColor::red, unsigned int thickness=1)
void setUseHarris(int useHarrisDetector)
void setWindowSize(int winSize)
void setPyramidLevels(int pyrMaxLevel)
Class that enables to manipulate easily a video file or a sequence of images. As it inherits from the...
bool isVideoFormat() const
void acquire(vpImage< vpRGBa > &I)
void setFileName(const std::string &filename)
long getFirstFrameIndex()
long getFrameIndex() const
VISP_EXPORT int wait(double t0, double t)
VISP_EXPORT double measureTimeMs()