Opencv getperspectivetransform python Calculates an affine matrix of 2D rotation. getPerspectiveTransform 変換 ¶ OpenCVは2つの変換関数 cv2. Scaling Nov 6, 2020 · This entry was posted in Image Processing and tagged cv2. imread('test. matrix = cv2. getPerspectiveTransform() Feb 11, 2019 · Python, OpenCVで画像の幾何変換（線形変換・アフィン変換・射影変換）を行うには関数cv2. warpPerspective takes a 3x3 transformation matrix as input. getPerspectiveTransform method . Retrieves a pixel rectangle from an image with sub-pixel accuracy. OpenCV 提供了一个函数 cv2.