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Cv2.rECtAnglE 参数

Note When using the FaceRecognizer interface in combination with Python, please stick to Python 2. Some underlying scripts like create_csv will not work in other versions, like Python 3. cv2如果用上了人脸识别,最好用python2,...

#include struct point {float x,y; }; double area(point p1,point p2) {double a; a=sqrt((p2.x-p1.x)*(p2.x-p1.x)*(p2.y-p1.y)*(p2.y-p1.y)); return a; } void main () {double s;point p1,p2; coutp1.x>>p1.y>>p2.x>>p2.y; s=area(p1,p2); ...

加框的操作是通过将图片上对应框的位置的像素全部改为绿色实现的

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