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  • 【python下使用OpenCV实现计算机视觉读书笔记2】图像与字节的变换




    import cv2
    import numpy
    import os
    # Make an array of 120,000 random bytes.
    randomByteArray = bytearray(os.urandom(120000))
    
    flatNumpyArray = numpy.array(randomByteArray)
    # Convert the array to make a 400x300 grayscale image.
    grayImage = flatNumpyArray.reshape(300, 400)
    cv2.imwrite('RandomGray.png', grayImage)
    # Convert the array to make a 400x100 color image.
    bgrImage = flatNumpyArray.reshape(100, 400, 3)
    cv2.imwrite('RandomColor.png', bgrImage)
    


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  • 原文地址:https://www.cnblogs.com/llguanli/p/8416752.html
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