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Multi-stereo image encryption method, decryption method, encryption device and decryption device

A technology of three-dimensional image and encryption method, which is applied in the field of information security, can solve the problems of outline appearance, inconvenient storage and use, etc., and achieve the effects of convenient storage and distribution, high security, and improved transmission efficiency

Active Publication Date: 2021-08-13
郴州腾福信息科技有限公司
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Problems solved by technology

[0004] However, the encryption results obtained by this type of algorithm are usually complex numbers, which is not convenient for storage and use on the one hand; on the other hand, the phase information is mainly concentrated together, and there is a problem of contour appearance

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  • Multi-stereo image encryption method, decryption method, encryption device and decryption device
  • Multi-stereo image encryption method, decryption method, encryption device and decryption device
  • Multi-stereo image encryption method, decryption method, encryption device and decryption device

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Embodiment Construction

[0052] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0053] The multi-stereoscopic image encryption method, decryption method, encryption device and decryption device according to the embodiments of the present invention will be described below with reference to the accompanying drawings. First, the multi-stereoscopic image encryption method according to the embodiments of the present invention will be described with reference to the accompanying drawings.

[0054] figure 1 It is a flowchart of a multi-stereoscopic image encryption method according to an embodiment of the present i...

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Abstract

The invention discloses a multi-stereoscopic image encryption method, a decryption method, an encryption device and a decryption device, wherein the encryption method includes the following steps: taking the left perspective image and the right perspective image of each image as the real component and the imaginary component respectively , to generate a complex matrix; perform Gyrator transformation and equimodulus decomposition on the complex matrix to generate the first complex value mask and the second complex value mask; respectively superimpose the first complex value mask and the second complex value mask to obtain the first A complex matrix and a second complex matrix; the first complex matrix and the second complex matrix are respectively subjected to Gyrator transformation at a first preset angle and a second preset angle by breaking-encoding to obtain a ciphertext and a secret key. The encryption method can encrypt meaningful multiple stereoscopic images into two ciphertexts, and has high transmission efficiency.

Description

technical field [0001] The invention relates to the technical field of information security, in particular to a multi-stereo image encryption method, a decryption method, an encryption device and a decryption device. Background technique [0002] At present, with the rapid development of computer networks and communication technologies, on the one hand, the transmission and use of information such as images has become extremely convenient, bringing great convenience to people's lives. On the other hand, such information is also easy to be stolen and illegally used. [0003] In related technologies, image encryption is an effective method to protect image content. Since the double random phase encryption algorithm was proposed in 1995, domestic and foreign scholars have carried out extensive research subsequently. In order to improve the security of encryption, the Fourier transform used in the double random phase encryption algorithm is replaced by some transforms with free...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N19/467H04N19/597H04N13/161H04N13/194
CPCH04N19/467H04N19/597H04N13/161H04N13/194
Inventor 邵珠宏尚媛园赵晓旭丁辉刘铁
Owner 郴州腾福信息科技有限公司
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