Method for hiding, compressing and transmitting images
An image hiding and transmission method technology, applied in the field of image hiding compression and transmission, can solve problems such as difficult image quality, and achieve the effects of improving security, strong confidentiality, and reducing complexity
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[0032] The present invention will be further introduced below in conjunction with the accompanying drawings.
[0033] The invention divides the original image to obtain the sub-image and the remaining image respectively, compresses the sub-image and the remaining image according to different compression ratios, hides the compressed remaining image into the sub-image, and generates a special noise-like image at the same time , and fuse it with the sub-image with the remaining image hidden, so as to obtain the compressed and confidential image to be transmitted.
[0034] Such as figure 1 As shown, the original image size is assumed to be 512×512, and 8-bit quantization is adopted. The specific method is as follows:
[0035] (1) A sub-image B1 and a remaining image C1 are extracted from the original image A1 using a predetermined target compression ratio R.
[0036] The compressed image size can be determined according to the target compression ratio, and then a plurality of i...
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