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Image data comparison method, device and system

An image data and data technology, applied in the field of image data comparison methods, devices and systems, can solve the problems of limited data volume, affecting the credibility of image data comparison results, limited data volume, etc.

Pending Publication Date: 2020-12-04
HANGZHOU HIKVISION DIGITAL TECH
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Problems solved by technology

[0004] However, due to the limitation of each analysis node's own memory, the amount of sample characteristic data that each analysis node can load is limited
In a large-scale application scenario, the data volume of the full sample feature data in the comparison database is very large. At this time, only by increasing the memory of the analysis node is not enough to cache the full sample feature data, which can be used for the sample features of the image data comparison. The amount of data is limited, so that the image data to be compared can only be compared with some sample feature data, which seriously affects the credibility of the image data comparison results

Method used

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  • Image data comparison method, device and system
  • Image data comparison method, device and system
  • Image data comparison method, device and system

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Embodiment Construction

[0040] The following will clearly and completely describe the technical solutions in the embodiments of the application with reference to the drawings in the embodiments of the application. Apparently, the described embodiments are only some of the embodiments of the application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0041] In the comparison method of related image data, such as figure 1 As shown, each analysis node is loaded with a full amount of sample characteristic data, and each analysis node is responsible for the comparison of different image data to be compared, and multiple analysis nodes can perform comparisons of multiple image data to be compared in parallel at the same time . However, with the above method, due to the limitation of each analysis node's own memory, the data volume o...

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Abstract

The embodiment of the invention provides an image data comparison method, device and system, and is applied to the technical field of image processing, in the image data comparison process, each analysis node only loads part of sample feature data in full-amount sample feature data, and the sample feature data is compared with the full-amount sample feature data. Theoretically, infinite expansionof the sample feature data can be achieved by increasing the number of the analysis nodes, and the data volume of the sample feature data in the image data comparison process can be increased, so thatthe image data comparison scale is increased, and the credibility of an image data comparison result is improved. Moreover, a plurality of analysis nodes can compare one piece of to-be-compared imagedata at the same time, and each analysis node only compares part of sample feature data in the total sample feature data, so that the comparison speed of single to-be-compared image data can be increased.

Description

technical field [0001] The present application relates to the technical field of image processing, in particular to an image data comparison method, device and system. Background technique [0002] With the development of computer vision technology, especially the emergence of neural networks, it is possible to compare image data based on computers. Image data comparison refers to comparing the image to be recognized with the sample image, so as to determine the identity information of the face or vehicle contained in the image to be recognized, for example, the face to be recognized, the vehicle image and the sample face, The vehicle images are compared to determine the face to be recognized, the face contained in the vehicle image, and the identity information of the vehicle. Image data comparison technology is widely used in security and image search and other fields. [0003] In the related image data comparison system, the sample feature data is stored in the comparis...

Claims

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Application Information

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IPC IPC(8): G06K9/62
CPCG06F18/22Y02D10/00
Inventor 乔勇
Owner HANGZHOU HIKVISION DIGITAL TECH
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