A kind of art painting image processing method and device
An image processing and image technology, applied in the field of image processing, can solve the problems of easy cracking, affecting image quality, unfavorable encrypted storage or transmission, etc., to achieve the effect of ensuring security, ensuring the formation of encrypted information, and protecting the overall picture sense.
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[0042] refer to figure 1 , figure 1 This is a flow chart of the method for processing art painting images in this embodiment. In this embodiment, the method includes:
[0043] S1, obtain the original image information of art painting, and convert it into a YUV channel image; the art painting image is obtained based on image scanning; the original image information includes the original image and the user ID;
[0044] S2, extract the Y channel vector according to the original YUV channel image, and generate the first image based on the Y channel vector of the odd-numbered columns and even-numbered rows of the image;
[0045] S3, set an encryption key X, generate a random number n, and perform encryption on each pixel x of the first image in turn to obtain c, thereby generating an encrypted second image;
[0046] Among them, the encryption formula is:
[0047]
[0048] in, The value is 255;
[0049] S4, covering the odd-numbered columns and even-numbered rows of pixels ...
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