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Quick retinal identity recognition method based on triangular matching

An identity recognition and retinal technology, applied in biometrics recognition, character and pattern recognition, acquisition/recognition of eyes, etc., can solve the problem of no feature extraction and matching algorithm, and achieve high recognition speed and recognition accuracy

Pending Publication Date: 2020-12-01
上海志唐健康科技有限公司
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Problems solved by technology

On the other hand, for retinal images, there is no relatively mature feature extraction and matching algorithm.

Method used

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  • Quick retinal identity recognition method based on triangular matching
  • Quick retinal identity recognition method based on triangular matching

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Embodiment Construction

[0020] In order to make the technical content disclosed in this application more detailed and complete, reference may be made to the accompanying drawings and the following various specific embodiments of the present invention, and the same symbols in the drawings represent the same or similar components. However, those of ordinary skill in the art should understand that the embodiments provided below are not intended to limit the scope of the present invention. In addition, the drawings are only for schematic illustration and are not drawn according to their original scale.

[0021] The specific implementation manners of various aspects of the present invention will be described in further detail below with reference to the accompanying drawings.

[0022] figure 1 It is a system frame diagram of the present invention. For the retinal template image to be recorded in the database, blood vessels are first extracted to obtain a binarized retinal blood vessel map, and then the...

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Abstract

The invention provides a quick retinal identity recognition method based on triangular matching. The method comprises the following steps: preprocessing an original color retinal image in combinationwith the steps of blood vessel extraction and binarization, refinement, noise reduction and the like; extracting bifurcation point features from the preprocessed retina image for matching features ina retina recognition process; by applying the retinal feature triangular matching algorithm based on the normalized transformation parameter statistical method provided by the invention, a matching result is obtained. Compared with an existing retina recognition scheme, the quick retina identity recognition method based on triangular matching can remarkably improve the retina recognition speed andresult accuracy.

Description

technical field [0001] The invention relates to the field of computer aided technology and image processing, in particular to a fast retinal identification method based on triangle matching. Background technique [0002] Biometrics are playing an increasingly important role in today's society. Among the existing mainstream biometric technologies, fingerprint recognition has become the most commonly used biometric authentication method due to its high accuracy and low cost. However, fingerprint recognition also has disadvantages. For some people, long-term fingertip wear and tear will make it difficult for the machine to collect enough features in their fingerprints. In addition, personal fingerprints are at risk of being stolen by others, thus being deceived by forged fingerprints to pass the authentication. , resulting in a loss. Face recognition is also a commonly used biometric technology at present. As a non-contact authentication method, it is very efficient and conve...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/00G06K9/38G06K9/46G06K9/62G06T5/00
CPCG06V40/197G06V40/193G06V40/10G06V40/14G06V10/28G06V10/757G06V10/56G06V10/462G06F18/22
Inventor 戴超盛斌贺加原
Owner 上海志唐健康科技有限公司
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