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Image processing method and system and storage medium

An image processing and processor technology, applied in the field of image processing, can solve problems such as image restoration quality degradation, achieve the effect of improving multiplexing ability, reducing crosstalk noise, and improving image restoration quality

Pending Publication Date: 2022-03-01
BEIJING CHINA POWER INFORMATION TECH
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Problems solved by technology

Because the traditional optical single image encryption technology is difficult to ensure the high-speed exchange of image information, optical multi-image encryption technology has been widely used
However, as the number of encrypted images increases, the image recovery quality gradually decreases

Method used

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  • Image processing method and system and storage medium
  • Image processing method and system and storage medium
  • Image processing method and system and storage medium

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Embodiment Construction

[0046] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0047] The invention provides an image processing method, such as figure 1 As shown, the method includes:

[0048] Step 101: Obtain multiple pure phase masks based on the Hadamard matrix.

[0049] As an optional embodiment, the method for obtaining multiple pure phase masks based on the Hadamard matrix can be as follows: a plurality of two-dimensional images are generated by using each row element of the Hadamard matrix to generate a two-dimensional image; T...

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Abstract

The embodiment of the invention provides an image processing method and system and a storage medium. The method comprises the following steps: inputting a pure phase mask into a spatial light modulator, so that the spatial light modulator modulates a laser beam incident to the spatial light modulator based on the pure phase mask; performing bit plane layering processing on the target image to obtain a plurality of binary images; a plurality of binary images with preset spacing distances are arranged between a spatial light modulator and a barrel detector, and light beams emitted by the spatial light modulator penetrate through the binary images and then reach the barrel detector, so that the barrel detector obtains light intensity based on the position information of the pure phase mask and the binary images; and arranging all the light intensities corresponding to one binary image into one-dimensional intensity vectors, and taking a plurality of one-dimensional intensity vectors of which the number is equal to that of the binary images as an encryption result of the target image. The image restoration quality can be improved.

Description

technical field [0001] The present invention relates to the technical field of image processing, in particular to an image processing method, system and storage medium. Background technique [0002] Optical image encryption technology is a new type of image encryption technology that uses optical parameters to encrypt images. Optical image encryption technology has attracted more and more researchers' attention due to its advantages of high speed, parallel processing capability, and joint control of multiple parameters. . Because the traditional optical single image encryption technology is difficult to ensure high-speed exchange of image information, optical multi-image encryption technology has been widely used. However, as the number of encrypted images increases, the image recovery quality gradually decreases. Therefore, how to improve image restoration quality is very necessary. Contents of the invention [0003] The purpose of the embodiments of the present invent...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T5/00G06T3/00H04L9/08G02F1/01
CPCH04L9/0861G02F1/0121G06T3/04G06T5/70
Inventor 张兴富程茵许冰陈世海
Owner BEIJING CHINA POWER INFORMATION TECH
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