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Biological characteristic detection method, biological characteristic detection device and electronic equipment

A biometrics and detection method technology, applied in instruments, character and pattern recognition, print image acquisition, etc., can solve the problems affecting the accuracy and success rate of biometric detection, and achieve the effect of improving the accuracy and success rate

Pending Publication Date: 2020-01-10
CHIPONE TECH BEIJINGCO LTD
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Problems solved by technology

However, in the process of biometric detection, the detection object will inevitably change the pressure or move, but the position of the light spot will not change, thus affecting the accuracy and success rate of biometric detection

Method used

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  • Biological characteristic detection method, biological characteristic detection device and electronic equipment
  • Biological characteristic detection method, biological characteristic detection device and electronic equipment
  • Biological characteristic detection method, biological characteristic detection device and electronic equipment

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Embodiment Construction

[0034] 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.

[0035] Figures 1a to 1c Shows the display spot of the traditional biological feature detection device; Figure 2 shows the different states of the detection object; image 3 The pressing surface of the detection object and the biometric detection device according to FIG. 2 is shown.

[0036] Such as Figures 1a to 1c As shown, the biometric detection device 100 may include one or more point light sources. When the biological feature detection device 100 detects the detection signal, it locates the pressing point between the detection object and the biological feature detection device 100, and the display light spots corresponding to the pressing point include, for exa...

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Abstract

The invention discloses a biological characteristic detection method, a biological characteristic detection device and electronic equipment. The biological characteristic detection method comprises: in a first detection stage, providing a display light spot in a first display area, and obtaining first image data of a detection object; in a second detection stage after the first detection stage, providing a display light spot in a second display area, and obtaining second image data of the detection object; and obtaining biological characteristic information according to the first image data and the second image data. The biological characteristic detection method further comprises: obtaining position information of the detection object in the second detection stage, and determining the position of the second display area according to the position information. According to the biological characteristic detection method, the position of the second display area can be adjusted through multiple times of detection when the position information of the detection object changes, so that the image information of the detection object can be accurately collected, and the accuracy and successrate of biological characteristic detection are improved.

Description

technical field [0001] The present invention relates to the technical field of biometric feature detection, and more specifically, to a biometric feature detection method, a biometric feature detection device, and electronic equipment. Background technique [0002] Biometric detection technology involves many technical research fields, and is widely used in work and life. At present, biometric detection technologies mainly include capacitive biometric detection technology, ultrasonic biometric detection technology and optical biometric detection technology. Most of the terminal devices including smart phones and tablet computers use optical biometric detection technology. technology. [0003] In the optical biometric detection technology, an image acquisition device (photo detector, PD) etc. is integrated in the terminal biometric detection device, and placed inside the display screen, or placed under the display screen to collect biometric information. The display spot of...

Claims

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Application Information

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IPC IPC(8): G06K9/00
CPCG06V40/1318
Inventor 李宗宽田志民冯继雄
Owner CHIPONE TECH BEIJINGCO LTD
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