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Equipment and method for judging similarity of various images on basis of digital signatures

A digital signature and image technology, applied in the Internet field, can solve problems such as reducing the user's image search experience, and achieve the effect of enhancing the image search experience and improving processing efficiency.

Active Publication Date: 2013-03-06
BEIJING BAIDU NETCOM SCI & TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Failure to handle these query results for essentially the same image can significantly degrade the user's image search experience

Method used

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  • Equipment and method for judging similarity of various images on basis of digital signatures
  • Equipment and method for judging similarity of various images on basis of digital signatures
  • Equipment and method for judging similarity of various images on basis of digital signatures

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Embodiment Construction

[0021] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0022] figure 1 A schematic diagram of a device for performing similarity judgment on multiple images based on digital signatures according to one aspect of the present invention is shown. Wherein, the judging device 1 includes, but is not limited to, a network host, a single network server, a set of multiple network servers, or a cloud formed by multiple servers. Here, the cloud may be constituted by a large number of computers or network servers based on cloud computing (Cloud Computing), wherein cloud computing is a kind of distributed computing consisting of a group of loosely coupled computer sets consisting of a super virtual computer. Wherein, the judging device 1 includes a first obtaining means 11 , a generating means 12 and a judging means 13 .

[0023] The first obtaining means 11 obtains image characteristic information of an image. Specificall...

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Abstract

The invention provides equipment and a method for judging similarity of various images on the basis of digital signatures. The method includes acquiring image feature information of one image; performing preset digital processing for the image feature information of the image to generate a digital signature corresponding to the image; judging the similarity of the various images according to the digital signatures corresponding to the various images to be processed; and correspondingly processing the various images on the basis of similarity judgment results. Compared with the prior art, the equipment and the method have the advantages that the similarity of the various images is judged on the basis of the digital signatures of the images, the images are correspondingly processed according to the similarity judgment results, and accordingly the processing efficiency for judging the similarity of the various images is improved.

Description

technical field [0001] The invention relates to the technical field of the Internet, in particular to an image processing technology for similarity judgment of multiple images through digital signatures. Background technique [0002] In applications such as search engines or information retrieval systems, a query sequence most of the time corresponds to multiple query results, in which the same search information may appear as Two or more query results are presented to the user. Taking images as an example, when the user enters an image query sequence, there may be different versions of the same image query result, and each version corresponds to a different image query result. The situations that cause different versions may include: cropping of the edge of the image The size is different, the logo added to the image is different, the noise in the image is different, or the image resolution is different. Failure to handle these query results for essentially the same image...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/30G06T7/00
Inventor 文林福
Owner BEIJING BAIDU NETCOM SCI & TECH CO LTD