Color image watermarking device and method thereof

A color image, color picture technology, applied in image data processing, image data processing, instruments, etc., can solve the problems of unable to add watermark, image damage clarity, distortion, etc., to avoid the effect that cannot be added to color pictures

Inactive Publication Date: 2020-11-27
GUILIN UNIV OF ELECTRONIC TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Since the color image is copied or destroyed through multiple transmissions in the network, the image will be damaged (that is, the definition is distorted), which increases the difficulty of adding watermarks, which has higher requirements for the extraction of watermar

Method used

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  • Color image watermarking device and method thereof

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Embodiment 1

[0022] The present invention provides such figure 1 A color image watermarking device includes a color image processing system and a watermark processing system, the color image processing system includes a color image processing module, a color image extraction module and an image analysis module, and the watermark processing system includes a watermark generation module, Watermark extraction module and watermark analysis module;

[0023] The output end of the color image processing module is connected to the input end of the color image extraction module, and the output end of the color image extraction module is connected to the input end of the image analysis module;

[0024] The output end of the watermark generation module is connected to the input end of the watermark extraction module, and the output end of the watermark extraction module is connected to the input end of the watermark analysis module;

[0025] The output ends of the image analysis module and the water...

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Abstract

The invention discloses a color image watermarking device, which comprises a color image processing system and a watermark processing system, and is characterized in that the color image processing system comprises a color image processing module, a color image extraction module and an image analysis module, and the watermark processing system comprises a watermark generation module, a watermark extraction module and a watermark analysis module; the output ends of the picture analysis module and the watermark analysis module are connected to the input end of the preprocessing module, the inputend of the preprocessing module is further connected to the output end of the position marking module, the output end of the preprocessing module is connected to the input end of the processing module, and the output end of the processing module is connected to the input end of the judgment module. According to the invention, the simulation operation of watermark adding by the subsequent preprocessing module is facilitated, and the situation that the watermark cannot be added to the color picture or the watermark is not obvious after being added is avoided; simulation addition can be carriedout before final watermark addition, and meanwhile, the effect after watermark addition can be simulated for the first time.

Description

technical field [0001] The invention belongs to the technical field of image watermarking, and in particular relates to a color image watermarking device and a method thereof. Background technique [0002] In recent years, with the rapid development of Internet technology, the protection of digital product copyright has become more and more important. Copyright protection of color images is an important point. Digital watermark technology provides a new way for copyright protection of color images. [0003] Since the color image is copied or destroyed through multiple transmissions in the network, the image will be damaged (that is, the definition is distorted), which increases the difficulty of adding a watermark, which has higher requirements for the extraction of the watermark; when adding a watermark to a color image , the phenomenon of distortion after adding (that is, the inability to add watermark) often occurs. Therefore, we propose a color image watermarking devic...

Claims

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Application Information

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IPC IPC(8): G06T1/00
CPCG06T1/0021
Inventor 姜文英陈元枝
Owner GUILIN UNIV OF ELECTRONIC TECH
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