This is Python version of this tutorial : http://opencv.itseez.com/doc/tutorials/imgproc/shapedescriptors/bounding_rotated_ellipses/bounding_rotated_ellipses.html cv2 ...
x1 = center_x+(radius-margin)*math.cos(i*6*np.pi/180.0) y1 = center_y+(radius-margin)*math.sin(i*6*np.pi/180.0) pt1.append((int(x1), int(y1))) # 同心小圆，计算 ...
QR code (Quick Response code) is a type of matrix barcode that contains information about the item to which it is attached, like location data, identifier, or a tracker that identifies a website or ...
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