Identity recognition method based on palm characteristic extraction

A technology of feature extraction and identification, applied in character and pattern recognition, instruments, computer parts, etc.

Inactive Publication Date: 2012-10-24
XIAN UNIV OF TECH
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Problems solved by technology

[0004] The purpose of the present invention is to provide an identification method based on palm feature extraction

Method used

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  • Identity recognition method based on palm characteristic extraction
  • Identity recognition method based on palm characteristic extraction
  • Identity recognition method based on palm characteristic extraction

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Experimental program
Comparison scheme
Effect test

Embodiment

[0192] Embodiment, a kind of identification method based on palm BIS, refer to Figure 4 , follow the steps below to implement:

[0193] Step 1. Collection of palm BIS data: In order to obtain the relationship between voltage and current at various frequencies in the measurement of complex impedance spectrum characteristics of biological tissue, the hardware must have a current source and a voltage measurement system. Impedance characteristics can also be obtained by voltage driving and current measurement, but too strong current will affect the activity of biological tissue, so it is necessary to control the magnitude of the inflow current; on the other hand, in terms of measurement technology, voltage measurement is easier to achieve than current measurement. When measuring palm BIS data, the current excitation source of the BIS measuring instrument is connected to the two current driving electrodes, and the voltage measuring mechanism is connected to the two voltage measuri...

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Abstract

The invention relates to an identity recognition method based on palm characteristic extraction and belongs to a method for realizing the identity recognition through extracting palm BIS (bioimpedance spectrum) characteristics. The method realizes the identity recognition through extracting the palm BIS characteristics, the recognition rate is high, the reliability is good, the operation is simple, and the use is convenient. Experiments prove that the palm BIS characteristics have high stability and uniqueness of biological characteristic potential and conform to the biological characteristic recognition requirement, the identity recognition method belongs to an efficient identity recognition and authentication technology, and the attach such as forging can be effectively resisted. Because the palm BIS characteristics have the characteristics of uniqueness, universality, stability, collectability and the like, so the identity recognition method has important theoretical and practical values in the field of identity recognition and has wide application prospects.

Description

technical field [0001] The invention belongs to the technical field of biological feature identification, and relates to an identification method based on palm features. Background technique [0002] At present, there are many identification methods, and the most mature one is the fingerprint identification method. Although the fingerprint identification method is easy to use and has high reliability, it is difficult to image because some people or certain groups have few fingerprint features. [0003] There is an existing identification method based on palm prints and face extraction, which uses digital image processing technology to extract human palm texture information and facial structure information, and combines the two biological information to carry out human identification. The rate is high, but the operation is complicated. Contents of the invention [0004] The purpose of the present invention is to provide an identification method based on palm feature extrac...

Claims

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Application Information

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IPC IPC(8): G06K9/00G06K9/46
Inventor 吕林涛杨宇祥尚进周新军
Owner XIAN UNIV OF TECH
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