我有以下代码：
int H_MIN = 0;
int H_MAX = 256;
int S_MIN = 0;
int S_MAX = 256;
int V_MIN = 0;
int V_MAX = 256;
const int FRAME_WIDTH = 640;
const int FRAME_HEIGHT = 480;
const int MAX_NUM_OBJECTS = 50;
const int MIN_OBJECT_AREA = 20 * 20;
const int MAX_OBJECT_AREA = FRAME_HEIGHT*FRAME_WIDTH / 1.5;
const string windowName = "Original Image";
const string windowName1 = "HSV Image";
const string windowName2 = "Thresholded Image";
const string windowName3 = "After Morphological Operations";
const string trackbarWindowName = "Trackbars";
void on_trackbar(int, void*)
{
}
string intToString(int number) {
std::stringstream ss;
ss << number;
return ss.str();
}
void createTrackbars() {
namedWindow(trackbarWindowName, 0);
char TrackbarName[50];
sprintf(TrackbarName, "H_MIN", H_MIN);
sprintf(TrackbarName, "H_MAX", H_MAX);
sprintf(TrackbarName, "S_MIN", S_MIN);
sprintf(TrackbarName, "S_MAX", S_MAX);
sprintf(TrackbarName, "V_MIN", V_MIN);
sprintf(TrackbarName, "V_MAX", V_MAX);
createTrackbar("H_MIN", trackbarWindowName, &H_MIN, H_MAX, on_trackbar);
createTrackbar("H_MAX", trackbarWindowName, &H_MAX, H_MAX, on_trackbar);
createTrackbar("S_MIN", trackbarWindowName, &S_MIN, S_MAX, on_trackbar);
createTrackbar("S_MAX", trackbarWindowName, &S_MAX, S_MAX, on_trackbar);
createTrackbar("V_MIN", trackbarWindowName, &V_MIN, V_MAX, on_trackbar);
createTrackbar("V_MAX", trackbarWindowName, &V_MAX, V_MAX, on_trackbar);
}
void drawObject(int x, int y, Mat &frame) {
circle(frame, Point(x, y), 20, Scalar(0, 255, 0), 2);
if (y - 25>0)
line(frame, Point(x, y), Point(x, y - 25), Scalar(0, 255, 0), 2);
else line(frame, Point(x, y), Point(x, 0), Scalar(0, 255, 0), 2);
if (y + 25<FRAME_HEIGHT)
line(frame, Point(x, y), Point(x, y + 25), Scalar(0, 255, 0), 2);
else line(frame, Point(x, y), Point(x, FRAME_HEIGHT), Scalar(0, 255, 0), 2);
if (x - 25>0)
line(frame, Point(x, y), Point(x - 25, y), Scalar(0, 255, 0), 2);
else line(frame, Point(x, y), Point(0, y), Scalar(0, 255, 0), 2);
if (x + 25<FRAME_WIDTH)
line(frame, Point(x, y), Point(x + 25, y), Scalar(0, 255, 0), 2);
else line(frame, Point(x, y), Point(FRAME_WIDTH, y), Scalar(0, 255, 0), 2);
putText(frame, intToString(x) + "," + intToString(y), Point(x, y + 30), 1, 1, Scalar(0, 255, 0), 2);
}
void morphOps(Mat &thresh) {
Mat erodeElement = getStructuringElement(MORPH_RECT, Size(3, 3));
Mat dilateElement = getStructuringElement(MORPH_RECT, Size(8, 8));
erode(thresh, thresh, erodeElement);
erode(thresh, thresh, erodeElement);
dilate(thresh, thresh, dilateElement);
dilate(thresh, thresh, dilateElement);
}
void trackFilteredObject(int &x, int &y, Mat threshold, Mat &cameraFeed) {
Mat temp;
threshold.copyTo(temp);
vector< vector<Point> > contours;
vector<Vec4i> hierarchy;
findContours(temp, contours, hierarchy, CV_RETR_CCOMP, CV_CHAIN_APPROX_SIMPLE);
double refArea = 0;
bool objectFound = false;
if (hierarchy.size() > 0) {
int numObjects = hierarchy.size();
if (numObjects<MAX_NUM_OBJECTS) {
for (int index = 0; index >= 0; index = hierarchy[index][0]) {
Moments moment = moments((cv::Mat)contours[index]);
double area = moment.m00;
if (area>MIN_OBJECT_AREA && area<MAX_OBJECT_AREA && area>refArea) {
x = moment.m10 / area;
y = moment.m01 / area;
objectFound = true;
refArea = area;
}
else objectFound = false;
}
//let user know you found an object
if (objectFound == true) {
putText(cameraFeed, "Tracking Object", Point(0, 50), 2, 1, Scalar(0, 255, 0), 2);
drawObject(x, y, cameraFeed);
}
}
else putText(cameraFeed, "TOO MUCH NOISE! ADJUST FILTER", Point(0, 50), 1, 2, Scalar(0, 0, 255), 2);
}
}
int main(int argc, char* argv[])
{
bool trackObjects = true;
bool useMorphOps = false;
Mat cameraFeed;
Mat HSV;
Mat threshold;
int x = 0, y = 0;
createTrackbars();
VideoCapture capture;
capture.open(0);
capture.set(CV_CAP_PROP_FRAME_WIDTH, FRAME_WIDTH);
capture.set(CV_CAP_PROP_FRAME_HEIGHT, FRAME_HEIGHT);
while (1) {
capture.read(cameraFeed);
cvtColor(cameraFeed, HSV, COLOR_BGR2HSV);
inRange(HSV, Scalar(H_MIN, S_MIN, V_MIN), Scalar(H_MAX, S_MAX, V_MAX), threshold);
if (useMorphOps)
morphOps(threshold);
if (trackObjects)
trackFilteredObject(x, y, threshold, cameraFeed);
imshow(windowName2, threshold);
imshow(windowName, cameraFeed);
imshow(windowName1, HSV);
waitKey(30);
}
return 0;
}
每当我在调试模式下运行它时，我都会收到以下错误： 调试断言失败！ 表达式：__ acrt_first_block == header
我必须说它只发生在main函数中的boolean变量trackObjects等于true时（当它设置为false时程序运行良好）。
将其设置为true“激活”主函数中的这部分代码：
if (trackObjects)
trackFilteredObject(x, y, threshold, cameraFeed);
可能导致问题。
关于我如何解决这个问题的任何想法？ 谢谢！