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Image processing method, device, electronic device and storage medium

An electronic device and image processing technology, applied in the field of identification, can solve problems affecting the precision and accuracy of fingerprint identification, fingerprint image interference, etc., and achieve the effects of improving clarity, reducing interference, and improving precision and accuracy

Active Publication Date: 2021-07-09
SHENZHEN GOODIX TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the light penetrating the display screen with fingerprint information will inevitably carry the pattern information of each laminated layer inside the display screen, and these pattern information will interfere with the fingerprint image, thereby affecting the precision and accuracy of fingerprint recognition

Method used

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

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Embodiment Construction

[0038] In order to make the purposes, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments It is a part of the embodiments of this 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 creative efforts fall within the protection scope of this application.

[0039] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field to which this application belongs. The terms used herein in the specification of the application are only for the purpose of describing specific embodiments, and are not intended to limit ...

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Abstract

The present application provides an image processing method, device, electronic equipment and storage medium. The method includes determining the first linear relationship between the output pixel value of the pixel and the incident light intensity, and testing the second linear relationship between the pixel value and the depth of the pattern; collecting the fingerprint pixel value of the pixel when the finger is pressed, combined with the second The second linear relationship is used to obtain the reference pixel value, and the fingerprint pixel value is calibrated according to the first linear relationship. The application can improve the accuracy of fingerprint recognition.

Description

technical field [0001] The embodiments of the present application relate to identification technologies, and in particular, to an image processing method, device, electronic equipment, and storage medium. Background technique [0002] With the development of electronic technology, the display screen of electronic equipment is gradually developing into a full screen, and the screen ratio is getting higher and higher, which makes the current mainstream capacitive fingerprint module nowhere to be placed. [0003] The under-screen optical fingerprint solution can place the fingerprint sensor on the back of the display without occupying the area of ​​the non-display area, effectively increasing the screen-to-body ratio. In the under-screen optical fingerprint solution, the light with fingerprint information needs to penetrate the display screen to reach the fingerprint sensor, and form an image on the surface of the fingerprint sensor to form a fingerprint image, and then perform...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06K9/00
CPCG06V40/13
Inventor 程雷刚叶金春
Owner SHENZHEN GOODIX TECH CO LTD