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Fingerprint trace detection method, fingerprint detection device and computer readable storage medium

A detection method and fingerprint detection technology, applied in the field of target detection, can solve the problems of insufficient real-time detection, low definition of fingerprint trace detection, and slow detection speed, etc., to achieve clear and obvious fingerprint traces, improve clarity, and increase detection speed Effect

Active Publication Date: 2021-01-29
SHENZHEN WAYHO TECH
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  • Application Information

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Problems solved by technology

[0009] The object of the present invention is to provide a fingerprint trace detection method, a fingerprint detection device and a computer-readable storage medium, which solve the problem of low resolution and slow detection speed of fingerprint trace detection. And not enough to meet the needs of real-time detection

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  • Fingerprint trace detection method, fingerprint detection device and computer readable storage medium
  • Fingerprint trace detection method, fingerprint detection device and computer readable storage medium
  • Fingerprint trace detection method, fingerprint detection device and computer readable storage medium

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Embodiment Construction

[0038] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0039] see image 3 As shown, the present invention also provides a fingerprint detection device 100 , which includes an image acquisition module 1 , an image processing module 2 , an image training module 3 and an image analysis module 4 .

[0040] The image acquisition module 1 is used to acquire images; for example, in this embodiment, the image acquisition module 1 is an ultraviolet imager, and the image acquisition module 1 acquires image data of an objec...

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Abstract

The invention provides a fingerprint trace detection method. The fingerprint trace detection method comprises the following steps: acquiring an original training image or a to-be-detected image; performing contrast-limited adaptive histogram equalization processing on the original training image or the to-be-detected image; reducing the width and the height of the processed original training imageor the image to be detected, and increasing the number of channels of the processed original training image or the image to be detected to obtain a feature training image or a feature image; respectively carrying out image preprocessing on each feature training image, and obtaining a to-be-trained image set; training the to-be-trained image set through a preset convolutional neural network to obtain a feature convolutional neural network; and calculating and analyzing to obtain feature fingerprint information of the feature image according to the feature image and a feature convolutional neural network. Compared with the prior art, the fingerprint trace detection definition is high, the detection speed is high, and real-time detection can be realized.

Description

【Technical field】 [0001] The invention relates to the field of target detection, in particular to a fingerprint trace detection method, a fingerprint detection device and a computer-readable storage medium. 【Background technique】 [0002] In recent years, with the development of deep learning technology, great breakthroughs have been made in target detection algorithms. Among them, detection algorithms have gradually been applied to criminal investigation equipment, mainly in fingerprint trace detection devices. [0003] In related technologies, the fingerprint trace detection method is a method for detecting fingerprint traces on the image to be tested after performing deep learning on the fingerprint trace image. The target detection algorithm adopted by this method mainly includes the following two categories: [0004] One is the Two stage method. Specifically, this method is mainly divided into two steps. The first step is to generate a candidate frame on the image to be...

Claims

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Application Information

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IPC IPC(8): G06K9/00G06K9/36G06K9/62G06N3/04G06N3/08
CPCG06N3/08G06V40/1347G06V10/20G06N3/045G06F18/214
Inventor 刘帏梁洪易梁朝阳刘琦然
Owner SHENZHEN WAYHO TECH
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