Image processing method and device, server and storage medium

An image processing and image technology, applied in the field of image processing, can solve the problems of poor image robustness, destroy redundant information, and cannot resist clipping, etc., and achieve the effect of improving image robustness.

Pending Publication Date: 2020-09-04
JINGDONG TECH HLDG CO LTD
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Problems solved by technology

[0004] Since the implicit watermark information is added to the least significant bit of the image pixel value, the clipping is equivalent to adding a layer of filter, which destroys the redundant information hidden in the spatial domain pixel, so adding a recessive watermark to the least significant bit of the image pixel value The watermark information cannot resist shearing. It is similar to operations such as smearing, compression, and filtering, and affects the pixel values ​​​​in the spatial domain. The image obtained in this way is less robust

Method used

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  • Image processing method and device, server and storage medium
  • Image processing method and device, server and storage medium
  • Image processing method and device, server and storage medium

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Embodiment Construction

[0076] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. 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.

[0077] like figure 1 As shown, it is a schematic flow chart of an image processing method provided by an embodiment of the present invention, and the method may specifically include the following steps:

[0078] S101, acquiring a watermarked image and an original image;

[0079] In the embodiment of the present invention, in order to ensure...

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Abstract

The embodiment of the invention provides an image processing method and device, a server and a storage medium. The method comprises the steps of acquiring a watermark image and an original image; processing the original image based on a preset first frequency domain algorithm to obtain a first frequency spectrum matrix; processing the watermark image based on the first frequency domain algorithm to obtain a second frequency spectrum matrix; embedding the second frequency spectrum matrix into the first frequency spectrum matrix to generate a third frequency spectrum matrix; and processing the third frequency spectrum matrix based on a preset second frequency domain algorithm to obtain a target image. Therefore, based on the image copyright protection of the hidden watermark, the hidden watermark information is added in the frequency domain, operations such as shearing, smearing, compressing and filtering can be resisted, and the image robustness is effectively improved.

Description

technical field [0001] The present invention relates to the technical field of image processing, in particular to an image processing method, device, server and storage medium. Background technique [0002] With the continuous development of computers and the Internet, the digitalization and networking of images has been promoted, the upload and download speed of images has been improved, and the threshold for image dissemination has been lowered. At the same time, the copyright of the image is violated, and the incidents of copyright infringement and piracy of genuine images are showing a rapid growth trend, which has brought huge economic losses to the authors of the images. Therefore, it has received more and more attention to realize the protection of image copyright and resist piracy and infringement by technical means. [0003] In related technologies, image copyright protection based on implicit watermarks adds implicit watermark information in the airspace, that is,...

Claims

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Application Information

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IPC IPC(8): G06T1/00G06F21/16
CPCG06T1/0021G06F21/16G06T2201/0052
Inventor 张海龙
Owner JINGDONG TECH HLDG CO LTD
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