Image encryption method based on fractional order chaos synchronization

An encryption method and chaotic synchronization technology, applied in image data processing, image data processing, instruments, etc., can solve the problem of low encryption security, achieve the effects of ensuring chaos, improving anti-confidentiality, and increasing dimensionality

Inactive Publication Date: 2015-09-23
NORTHWESTERN POLYTECHNICAL UNIV
View PDF3 Cites 1 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to overcome the shortcomings of low encryption security in the prior art, the present invention provides a digital image encryption method, which can in

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Image encryption method based on fractional order chaos synchronization
  • Image encryption method based on fractional order chaos synchronization
  • Image encryption method based on fractional order chaos synchronization

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0015] The present invention will be further described below in conjunction with the accompanying drawings and embodiments, and the present invention includes but not limited to the following embodiments.

[0016] The invention discloses an image encryption technology based on the synchronization of a fractional order chaotic system. First select the synchronization device: drive-response system, and use the PC synchronization method to make the drive-response system achieve chaotic synchronization and generate chaotic sequences. Then starting from the image, the image and the chaotic sequence are combined to complete the process of encryption and decryption. Since the fractional order chaotic system has more complex dynamic behavior, this technology can not only safely transmit the image information to the receiver, but also improve the attack resistance of the dense image.

[0017] 1. For a certain digital image, read its pixel matrix with matlab software, and set the size ...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The present invention provides an image encryption method based on fractional order chaos synchronization. The method comprises the steps of reading a pixel matrix of digital images, obtaining a chaos sequence after the continuous iteration of a fractional order driving system, processing the chaos sequence to obtain an encrypted element set and further to obtain an encrypted image matrix. According to the present invention, the more complicated dynamics characteristics are obtained, the more parameter information is contained, the synchronization is realized more conveniently and rapidly, the confusion of the encrypted images is guaranteed, at the same time, the dimensionality of a secret key space can be increased, thereby improving the confidentiality resistance.

Description

technical field [0001] The invention belongs to the field of secure communication, in particular to a digital image encryption method. Background technique [0002] With the development of broadband network, image data became popular on the Internet. However, many image data on the network require confidential communication between the sender and the receiver, such as pictures taken by military satellites, drawings of military facilities, drawings of new weapons, architectural drawings of financial institutions, etc. There are also some image information, such as in the telemedicine system, the patient's medical record (including the patient's image) in the hospital, according to the law, it must be encrypted on the network before transmission. [0003] At present, the secure communication system based on chaos synchronization is mainly used to encrypt sine signals, cosine signals, simple mixed signals and text information. Due to the differences between image signals and ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): G06T1/00
Inventor 许勇裴斌李永歌徐伟
Owner NORTHWESTERN POLYTECHNICAL UNIV
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap