Created
March 6, 2023 02:24
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Compute discrete cosine transform
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| import cv2 | |
| # Using OpenCV | |
| def _dct(image): | |
| result = cv2.dct(np.float32(image)/255.0) | |
| return (result * 255.0) | |
| # Using Scipy | |
| from scipy.fftpack import dctn | |
| dctn(image, norm = "ortho") |
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