Biometric identification method, biometric identification device and detection system

A biometric identification and biometric data technology, applied in the acquisition/recognition of eyes, character and pattern recognition, instruments, etc., can solve the problems of large amount of transmission and calculation, prone to accidental touches, etc., to reduce network transmission and The effect of network stress

Active Publication Date: 2020-04-14
CHIPONE TECH BEIJINGCO LTD
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Problems solved by technology

[0003] However, since the detection panel is an exposed device, operations such as accidental touches are more likely to occur. If other parts of the human body, such as the back of the hand, skin, etc., touch the detection panel, when the human finger is wet or stained with debris, It will also trigger the acquisition of images, and send the acquired images to the host for image matching
However, an image matching operation requires a large amount of transmission and calculation.

Method used

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  • Biometric identification method, biometric identification device and detection system
  • Biometric identification method, biometric identification device and detection system
  • Biometric identification method, biometric identification device and detection system

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[0058] Various embodiments of the invention will be described in more detail below with reference to the accompanying drawings. In the various drawings, the same elements are denoted by the same or similar reference numerals. For the sake of clarity, various parts in the drawings have not been drawn to scale.

[0059] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0060] It should be pointed out that the biological feature identification method and identification device provided by the embodiments of the present invention are suitable for the detection of some obvious biological features such as fingerprints, palm prints, toe prints, sole prints, hand shapes, iris, and retina. The following embodiments mainly use fingerprints as an example to describe the present invention.

[0061] figure 1 It is a schematic diagram of the structure of the biometric identi...

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Abstract

A biometric identification method is disclosed, comprising the following steps: collecting biometric data from a partial area of ​​a detection panel to obtain a first image; judging whether the quality of the first image reaches a preset standard, and if yes, obtaining a first image from the entire detection panel Biometric data is collected to obtain a second image. In this method, all detection units are started for detection only when the first image meets the requirements, thereby saving power consumption. At the same time, a corresponding biometric identification device is disclosed.

Description

technical field [0001] The invention relates to the field of biometric feature detection, in particular to a biometric feature identification method, a biometric feature identification device and a detection system. Background technique [0002] Nowadays, in mobile terminals such as mobile phones and tablets, fingerprint devices are often used to collect user fingerprints. The fingerprint device includes an exposed detection panel. When the detection panel is touched or pressed, an image will be collected, and then the detected image will be sent to the host through the I2C or SPI bus. After the host receives a complete image, It will perform image preprocessing, feature point detection, matching and other operations. [0003] However, since the detection panel is an exposed device, operations such as accidental touches are more likely to occur. If other parts of the human body, such as the back of the hand, skin, etc., touch the detection panel, when the human finger is we...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06K9/00
CPCG06V40/13G06V40/11G06V40/19G06V40/1347G06V10/28
Inventor 田健飞
Owner CHIPONE TECH BEIJINGCO LTD
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