■ getRotationMatrix2D 함수를 사용해 이미지를 회전하는 방법을 보여준다.
▶ 예제 코드 (PY)
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import cv2 import numpy as np imageNDArray = cv2.imread("source.jpg") imageHeight, imageWidth = imageNDArray.shape[:2] matrixNDArray = cv2.getRotationMatrix2D((imageWidth / 2, imageHeight / 2), 90, 1) rotateImageNDArray = cv2.warpAffine(imageNDArray, matrixNDArray, (imageWidth, imageHeight)) cv2.imwrite("target.jpg", rotateImageNDArray) cv2.imshow("rotate image", rotateImageNDArray) cv2.waitKey(0) cv2.destroyAllWindows() |
