#include?

bool?selectobject?=?false;
int?trackobject?=?0;
cv::Rect?selection;
cv::Mat?image;

void?onMouse（?int?event?int?x?int?y?int?void*?）?{
????static?cv::Point?origin;
????if（selectobject）?{
????????selection.x?=?MIN（x?origin.x）;
????????selection.y?=?MIN（y?origin.y）;
????????selection.width?=?std::abs（x?-?origin.x）;
????????selection.height?=?std::abs（y?-?origin.y）;
????????selection?&=?cv::Rect（0?0?image.cols?image.rows）;
????}
????switch（event）?{
????????case?CV_EVENT_LBUTTONDOWN:
????????????origin?=?cv::Point（x?y）;
????????????selection?=?cv::Rect（x?y?0?0）;
????????????selectobject?=?true;
????????????break;
????????case?CV_EVENT_LBUTTONUP:
????????????selectobject?=?false;
????????????if（?selection.width?>?0?&&?selection.height?>?0?）
????????????????trackobject?=?-1;
????????????break;
????}
}

int?main（?int?argc?const?char**?argv?）
{
????cv::VideoCapture?video（“test_run.mp4“）;
????cv::namedWindow（?“CamShift“?）;
????cv::setMouseCallback（?“CamShift“?onMouse?0?）;

????cv::Mat?frame?hsv?hue?mask?hist?backproj;
????cv::Rect?trackWindow;
????int?hsize?=?16;
????float?hranges[]?=?{0180};
????const?float*?phranges?=?hranges;

????while（true）?{
????????video?>>?frame;
????????if（?frame.empty（）?）
????????????break;

????????frame.copyTo（image）;

????????cv::cvtColor（image?hsv?cv::COLOR_BGR2HSV）;

????????if（?trackobject?）?{

????????????cv::inRange（hsv?cv::Scalar（0?30?10）?cv::Scalar（180?256?256）?mask）;
????????????int?ch[]?=?{0?0};
????????????hue.create（hsv.size（）?hsv.depth（））;
????????????cv::mixChannels（&hsv?1?&hue?1?ch?1）;

????????????if（?trackobject?????????????????cv::Mat?roi（hue?selection）?maskroi（mask?selection）;
????????????????calcHist（&roi?1?0?maskroi?hist?1?&hsize?&phranges）;
????????????????normalize（hist?hist?0?255?CV_MINMAX）;

????????????????trackWindow?=?selection;
????????????????trackobject?=?1;
????????????}

????????????calcBackProject（&hue?1?0?hist?backproj?&phranges）;
????????????backproj?&=?mask;
????????????cv::RotatedRect?trackBox?=?CamShift（backproj?trackWindow?cv::TermCriteria（?CV_TERMCRIT_EPS?|?CV_TERMCRIT_ITER?10?1?））;
????????????if（?trackWindow.area（）?<=?1?）?{
????????????????int?cols?=?backproj.cols?rows?=?backproj.rows?r?=?（MIN（cols?rows）?+?5）/6;
????????????????trackWindow?=?cv::Rect（trackWindow.x?-?r?trackWindow.y?-?r
???????????????????????????????????trackWindow.x?+?r?trackWindow.y?+?r）?&
????????????????cv::Rect（0?0?cols?rows）;
????????????}
????????????ellipse（?image?trackBox?cv::Scalar（00255）?3?CV_AA?）;

????????}

????????if（?selectobject?&&?selection.width?>?0?&&?selection.height?>?0?）?{
????????????cv::Mat?roi（image?selection）;
????????????bitwise_not（roi?roi）;
????????}

????????imshow（?“CamShift“?image?）;
????????char?c?=?（char）cv::waitKey（1000/15.0）;
????????if（?c?==?27?）
????????????break;
????}
????cv

?屬性????????????大小?????日期????時(shí)間???名稱
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?????文件???????3066??2018-06-17?10:14??main.cpp

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?????????????????3066????????????????????1