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Non-contact palmprint obtaining device and method

A non-contact, acquisition method technology, applied in the field of non-contact palmprint recognition and palmprint recognition, can solve the problems of inability to obtain palmprint images, limited palmprint recognition applications, and potential health hazards, and achieve good human-machine Interactive mode, expanding application field and scope, easy operation effect

Inactive Publication Date: 2019-07-02
REDROCK BIOMETRICS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] However, most of the existing palmprint recognition technologies use contact collectors in order to ensure the accuracy of the collection of palm feature areas, which not only poses health risks when used in public places, but also leads to the disadvantages of palmprint recognition compared to other biometric technologies. The advantages of low environmental requirements, low equipment cost, high recognition accuracy, and fast speed are greatly reduced
Moreover, in the process of using the camera to collect palmprint images, due to the influence of natural light or white or yellowish light, it is impossible to obtain a clearer palmprint image, which also limits the application of palmprint recognition.

Method used

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  • Non-contact palmprint obtaining device and method

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0066] Such as figure 1 As shown, it is a flow chart of palmprint recognition by the non-contact palmprint acquisition device provided by the present invention, including processes such as camera image acquisition, palm detection, image analysis and processing, and palmprint recognition.

[0067] The user places the palm of the hand in front of a terminal device (including but not limited to portable devices such as mobile phones and tablet computers) with a display and a front camera, and the camera reads the camera image 101 frame by frame to obtain the user's palmprint information, and the palm detection module 102 Carry out palm detection, judge whether to comprise palm (P103) in the camera image 101, if do not comprise palm, provide feedback-no palm (P115), if comprise palm, then locate the palm area (P104), namely further detect the position of palm in the display position, size of the palmprint image, while providing feedback on the palm position (P116), and judging whe...

Embodiment 2

[0073] figure 2 It shows a schematic structural diagram of the non-contact palmprint acquisition device of the present invention applied to a terminal device. The terminal device with a display and a front camera includes: one or more displays 201, one or more cameras 202 for capturing images, a terminal device motherboard 203, a trusted execution environment 206, and the terminal device motherboard 203 includes a device processor 204 and device memory 205, the trusted execution environment 206 includes a computing module 207 and a storage module 208.

[0074] Preferably, the terminal device with a display and a front-facing camera may further include an ambient light sensor 213, a distance sensor 214, a motion sensor 215, and a flashlight 216, wherein the ambient light sensor 213, the distance sensor 214, the motion sensor 215, and the flashlight 216 All can be connected with the processor 204 of the device (including but not limited to, central processing unit CPU and grap...

Embodiment 3

[0079] image 3 A schematic diagram of a display screen in the non-contact palmprint acquisition method provided by the present invention is shown. The display 201 of the terminal device provides real-time feedback for the user, guiding the palm to be placed in a suitable position.

[0080] Figure 3aExample one showing real-time feedback. The real-time feedback may include a static indicator 33 for guiding the palm in a proper position. The static indication 33 includes, but is not limited to, arrows, wireframes, filled images, text, and the like. Preferably, the static indication 33 may be a frame of a palm, or a frame of a geometric shape such as a rectangle, a circle, or an ellipse. Preferably, the static indicator 33 may be a semi-transparent filled figure in the shape of a palm. Preferably, text descriptions can be arranged at the boundary between the static indication 33 and the background 32 , indicating that the user needs to place the palm of the hand inside the...

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Abstract

The invention discloses a non-contact palmprint acquisition method and device which is applied to the terminal equipment with a display and a front camera, a palmprint image is acquired through the camera, and when illumination is not ideal, the illumination condition of a palmprint area is changed by changing the display of the display, so that the recognition degree of palmprint lines is improved. The palmprint obtaining device and the palmprint obtaining method can be directly applied to existing terminal equipment, the additional hardware is not needed, the display of a displayer is changed through multiple ways, the illumination condition of a palmprint area is changed through the displayer of the terminal equipment, and the recognition degree of palmprint lines is improved.

Description

technical field [0001] The invention relates to the technical field of palmprint recognition, in particular to the technical field of non-contact palmprint recognition. Background technique [0002] Biometric technology is an interdisciplinary subject combining bioinformatics and computer technology that has emerged in recent years. Biometric technology refers to the use of the inherent physical characteristics of the human body, such as voice, fingerprints, iris, eye patterns, face, etc., or behavioral characteristics such as signature, gait, etc., as a personalized representation of a person to identify a person's identity. technology. Compared with traditional identity representations such as keys, ID cards, and passwords, biometric technology has the advantages of not being lost, difficult to forge, and easy to use, and with the rapid development of computer technology in recent years, computer technology and biometrics The combined application of biometrics has become...

Claims

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Application Information

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IPC IPC(8): G06K9/00
CPCG06V40/1312G06V40/1318G06V40/1365G06V40/50G06V40/12G06V40/67G06V40/19G06V40/63G06V40/166
Inventor 杨骅来诺依德·康斯维奇
Owner REDROCK BIOMETRICS INC
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