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Ceramic fingerprint image generation, extraction method and device

A fingerprint image and image technology, which is applied in the field of extraction and generation of ceramic fingerprint images, can solve problems such as difficulties in fingerprint image capture and identification of ceramic fingerprints

Active Publication Date: 2020-10-27
TSINGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The actual area of ​​the ceramic fingerprint image used to generate the ceramic fingerprint is small, which brings certain difficulties to the shooting of the fingerprint image and the identification of the ceramic fingerprint

Method used

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  • Ceramic fingerprint image generation, extraction method and device
  • Ceramic fingerprint image generation, extraction method and device
  • Ceramic fingerprint image generation, extraction method and device

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Embodiment Construction

[0024] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0025] figure 1 The flow chart of the ceramic fingerprint image generation method provided by the embodiment of the present invention, such as figure 1 As shown, the embodiment of the present invention provides a method for generating a ceramic fingerprint image, including:

[0026] 101. Determine the position of the fingerprint area on the prod...

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Abstract

Embodiments of the present invention provide a method and device for generating and extracting ceramic fingerprint images. The generating method includes: determining the position of the fingerprint area on the product surface, acquiring a microscopic image of the fingerprint area at the position to obtain the fingerprint image, and marking the microscopic image location information; obtain the texture type of the microscopic image, determine the microscopic mark used for positioning from the microscopic image according to the texture type, and generate the guidance information of the microscopic image area according to the microscopic mark; wherein, the texture type includes glaze type and pattern Type, the location information marked on the microscopic image is used for the extraction process of the fingerprint image, and the microscopic identification and guidance information are used to provide guidance for the user when extracting the fingerprint image. The method can improve the accuracy of image fingerprint extraction through microscopic identification, and by obtaining the microscopic image of the fingerprint area and marking the position information of the microscopic image, it is beneficial to provide accurate positioning when verifying the fingerprint image, and obtain an accurate fingerprint image to be verified.

Description

technical field [0001] The invention relates to the technical field of ceramic identification and identification, in particular to a method and device for generating and extracting ceramic fingerprint images. Background technique [0002] Because human fingerprints are produced by the joint action of heredity and environment, everyone has fingerprints, but they are different. Because the fingerprint repetition rate is extremely small, about one in 15 billion, it is called "human ID card". Based on the same theory, ceramic fingerprints can be used for identity information identification of ceramic products. The key feature of the ceramic surface can be used as the identity information of the ceramic, which is called ceramic fingerprint. [0003] The actual area of ​​the ceramic fingerprint image used to generate the ceramic fingerprint is small, which brings certain difficulties to the shooting of the fingerprint image and the identification of the ceramic fingerprint. How...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06K9/00
CPCG06V40/1359G06V40/1365
Inventor 柴跃廷冯天煜黄亚东刘义
Owner TSINGHUA UNIV
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