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Image processing method, chip and electronic device

An image processing and chip technology, applied in the field of image recognition, can solve problems such as poor matching effect, incomplete region, incomplete descriptor information, etc., to achieve the effect of improving accuracy and increasing possibility

Pending Publication Date: 2020-10-30
FOCALTECH ELECTRONICS SHENZHEN CO LTD
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  • Claims
  • Application Information

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Problems solved by technology

However, some images (such as fingerprints) have a relatively small area. When the position of the key point is close to the edge of the image, the area of ​​the descriptor generated according to the key point is incomplete, resulting in incomplete information of the descriptor, which will lead to a matching effect. bad

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  • Image processing method, chip and electronic device
  • Image processing method, chip and electronic device
  • Image processing method, chip and electronic device

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Embodiment Construction

[0055] In order to more clearly understand the above objects, features and advantages of the present application, the present application will be described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments can be combined with each other.

[0056] Many specific details are set forth in the following description to facilitate a full understanding of the application, and the described embodiments are only a part of the embodiments of the application, rather than all the embodiments.

[0057] 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, an...

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Abstract

The invention provides an image processing method. The image processing method comprises: acquiring a template image acquired by image acquisition equipment; obtaining a key point set and a corresponding descriptor set in the template image; determining whether a description area of a descriptor in the descriptor set exceeds the edge of the template image or not; when the description area of the descriptor exceeds the edge of the template image, marking the descriptor of the description area exceeding the edge of the template image as a target descriptor, and marking a key point in the targetdescriptor as a target key point; regenerating a target descriptor according to the target key point and the sample image; and updating the template image based on the regenerated target descriptor. The invention further provides an image processing chip and an electronic device. According to the invention, the accuracy of image matching can be improved.

Description

technical field [0001] The present application relates to the technical field of image recognition, in particular to an image processing method, chip and electronic device. Background technique [0002] The traditional image matching process basically extracts key points first, and then divides a region according to the position of the key points to extract descriptors. However, some images (such as fingerprints) have a relatively small area. When the position of the key point is close to the edge of the image, the area of ​​the descriptor generated according to the key point is incomplete, resulting in incomplete information of the descriptor, which will lead to a matching effect. bad. Contents of the invention [0003] In view of the above problems, the present application proposes an image processing method, chip and electronic device to improve the accuracy of image matching. [0004] A first aspect of the present application provides an image processing method, the ...

Claims

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Application Information

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IPC IPC(8): G06K9/00G06K9/46
CPCG06V40/1347G06V40/1365G06V10/462G06V10/44
Inventor 张靖恺龙文勇李准
Owner FOCALTECH ELECTRONICS SHENZHEN CO LTD