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October 15, 2021 07:44
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convert to matrix color
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import os | |
import numpy as np | |
import cv2 as cv | |
def main(): | |
# 画像を読み込む | |
directory = os.path.dirname(__file__) | |
image = cv.imread(os.path.join(directory, "image.jpg")) | |
if image is None: | |
exit() | |
# マトリックス風カラー変換 | |
# https://twitter.com/iquilezles/status/1440847977560494084 | |
image = image.astype(np.float32) / 255.0 | |
image = image ** (3.0 / 2.0, 4.0 / 5.0, 3.0 / 2.0) | |
image = (image * 255.0).astype(np.uint8) | |
# 画像を表示する | |
cv.imshow("matrix color", image) | |
cv.waitKey(0) | |
cv.destroyAllWindows() | |
if __name__ == '__main__': | |
main() |
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