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atinfinity/use_gpumat.py

Created September 24, 2018 14:59
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Python bindingからGpuMatを使うサンプルコード（OpenCV 4.0以上）
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use_gpumat.py
import cv2
img = cv2.imread('lena.jpg', cv2.IMREAD_COLOR)
d_img = cv2.cuda_GpuMat()
d_img.upload(img)
d_gray = cv2.cuda.cvtColor(d_img, cv2.COLOR_BGR2GRAY)
gray = d_gray.download()
cv2.imshow('img', img)
cv2.imshow('gray', gray)
cv2.waitKey(0)
cv2.destroyAllWindows()
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