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ew/iw)nh=int(ih*scale)nw=int(iw*scale)image=cv2.resize(image, (nw,nh),interpolation=cv2.INTER_CUBIC)new_img=np.full((eh,ew,3),128,dtype='uint8')# fill new image with the resized image and centered itnew_img[(eh-nh)//2:(eh-nh)//2+nh,...
EN我正在尝试使用OpenCV检测二值图像中的轮廓，然后绘制生成的轮廓多边形以重新创建输入图像。但是，返回Ope...
mask = np.zeros(img.shape[:2], np.uint8) All you have to do after that is to draw the contour and fill it with 255 (white): cv.drawContours(mask, pts, -1, (255, 255, 255), -1, cv.LINE_AA) And finally take the original image without bounding boxes apply the mask and save...
(angle))).T for r in circleRadiuses )) # Build a distorted image with that known points on it distorted_frame = np.zeros((height, width, 3), np.uint8) cv2.circle(distorted_frame, (int(cx), int(cy)), fisheyeRadius, (255,255,255), -1) # place points for distorted_point in ...