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A color image encryption compression and super-resolution reconstruction system and method

A technology for encrypting, compressing, and coloring images, which is applied in the field of image processing, can solve problems such as poor quality of super-resolution reconstruction, and achieve the effect of improving reconstruction quality, reducing loss, and good reconstruction effect

Active Publication Date: 2022-04-26
SOUTH CHINA AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to overcome the defects of poor quality of super-resolution reconstruction of encrypted color images in the prior art, the present invention provides a color image encryption compression and super-resolution reconstruction system and method, when performing super-resolution reconstruction of encrypted color images , make full use of high-frequency feature information, make the pixels of the reconstructed image closer to the pixels of the original image, and effectively improve the reconstruction quality of the reconstructed image

Method used

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  • A color image encryption compression and super-resolution reconstruction system and method
  • A color image encryption compression and super-resolution reconstruction system and method
  • A color image encryption compression and super-resolution reconstruction system and method

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Embodiment 1

[0057] This embodiment provides a color image encryption compression and super-resolution reconstruction system, such as image 3 As shown, the system includes a preprocessing module, an encryption compression module, a decryption module and a reconstruction module;

[0058] The original image is input to the preprocessing module, and the preprocessing module performs a preprocessing operation on the original image to obtain a coding sequence, and inputs the original image and the coding sequence to the encryption compression module; the encryption compression module performs encryption and compression operations on the original image and the coding sequence, Obtain the encrypted compressed image file and the encrypted code sequence, and send them to the decryption module; the decryption module decrypts the encrypted compressed image file and the encrypted code sequence, obtains the interpolated image and the decrypted image, and sends them to the reconstruction module; the rec...

Embodiment 2

[0108] This embodiment provides a color image encryption compression and super-resolution reconstruction method, such as Figure 8 As shown, the method includes:

[0109] S1: Perform preprocessing operations on the original image to obtain a coding sequence;

[0110] S2: Perform encryption and compression operations on the original image and encoding sequence to obtain an encrypted compressed image file and an encrypted encoding sequence;

[0111] S3: Decrypt the encrypted compressed image file and the encrypted code sequence to obtain an interpolated image and a decrypted image;

[0112] S4: Obtain the local features of the interpolated image, the feature weight map and the upsampled image, fuse them to generate an initial reconstructed image, then use the decrypted image to correct the initial reconstructed image, and output the final reconstructed image.

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PUM

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Abstract

The invention discloses a color image encryption compression and super-resolution reconstruction system and method. The system includes a preprocessing module, an encryption compression module, a decryption module, and a reconstruction module; the original image is input to the preprocessing module, and the preprocessing module processes the original image Carry out preprocessing operation, after obtaining the coding sequence, input the original image and coding sequence to the encryption compression module; the encryption compression module encrypts and compresses the original image and coding sequence, obtains the encrypted compressed image file and the encrypted coding sequence, and sends them to the decryption module; the decryption module decrypts the encrypted compressed image file and the encrypted code sequence, obtains an interpolated image and a decrypted image, and sends them to the reconstruction module; the reconstruction module obtains local features, feature weight maps and upsampled images of the interpolated image, The initial reconstructed image is generated by fusion, and then the decrypted image is used to correct the initial reconstructed image, and the final reconstructed image is output. The invention can effectively improve the reconstruction quality of the reconstructed image.

Description

technical field [0001] The present invention relates to the field of image processing, more specifically, to a color image encryption compression and super-resolution reconstruction system and method. Background technique [0002] In traditional communication, in order to reduce data transmission and storage costs, images and video data are compressed and then encrypted to ensure security, and finally transmitted to the receiver through a public channel. After receiving the compressed and encrypted data, the recipient decrypts and decompresses the data, and the decryption key is obtained from the secure channel, such as figure 1 As shown, this process is called Compression-then-Encryption (CTE) system; with the development of cloud computing, a large number of users and enterprises will choose to store data in the cloud in order to reduce data storage and management costs. In order to solve the security problems caused by data storage in the cloud, it will choose to encrypt...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N1/32G06T3/40G06N3/08G06N3/04
CPCH04N1/32272H04N1/44G06T3/4053G06N3/08G06N3/045
Inventor 王春桃张添建陈浩边山
Owner SOUTH CHINA AGRI UNIV
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