opencv python chapter4 形状检测 def getContours(img): contours, hierarchy = cv.findContours(img, cv.RETR_EXTERNAL, cv.CHAIN_APPROX_NONE) for cnt in contours: area = cv.contourArea(cnt) if area >500: cv.drawContours(imgContour, cnt, -1, (255, 0, 0), 3) peri = cv.arcLength(cnt,Tru...
Foroutput0I guess the 2184 are the points representing the contours of every segmented object. I don't understand where the 116 comes from. The yolov8n-seg.pt says it segments 80 classes since it's trained with COCO datset, then why the 116?
Isolating the contours of objects in an image (using standard derivative methods on the basic video information), dividing the image frame into 16×16-pixel image cells, comparing adjacent video frames, then detecting in which image cells there was movement ...