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Biological measuring system for combined iris and cortex tissue

A biometric, iris technology, applied in human identification, diagnostic recording/measurement, eye testing equipment, etc. The effect of improving accuracy and reliability

Active Publication Date: 2009-04-22
SUZHOU SIYUAN KEAN INFORMATION TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the function of biological tissue activity detection and analysis is extremely important, and its unreliability leads to the unreliability of the bioassay system itself.

Method used

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  • Biological measuring system for combined iris and cortex tissue
  • Biological measuring system for combined iris and cortex tissue
  • Biological measuring system for combined iris and cortex tissue

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0080] figure 1 The schematic diagram of the optical imaging device of Embodiment 1 of the present invention is described, which specifically includes:

[0081] Housing 0 of airtight optical imaging device, facial iris and cortical biological tissue 1, polarizers (2a, 2b), diffusers (3a, 3b), near-ultraviolet and near-infrared light sources (4a, 4b), optics Window 5, light separator 6, near-ultraviolet optical narrowband filter 7, near-infrared optical narrowband filter 8, analyzer (9a, 9b), imaging lens (20a, 20b), imaging sensor (21a, 21b), system Control and processor (30a, 30b).

[0082] The near-ultraviolet light and near-infrared light (4a, 4b) from the illumination light source unit pass through the diffuser (3a, 3b) and the polarizer (2a, 2b) to form an illumination light path, and enter the iris and cortical biological tissue 1 respectively , and then produce optical absorption / reflection features in the iris and cortical biological tissue 1, return to the optical w...

specific Embodiment 1

[0085] The near ultraviolet light of specific embodiment 1 and near infrared light source (4a, 4b) are made of surface light-emitting diode (LED), and the polarizer (2a, 2b) of specific embodiment 1 and analyzer (9a, 9b) are made of Polarization optical components constitute.

[0086] figure 2 It is a logical configuration diagram of the multi-spectral multi-polarization combined optical imaging system in Embodiment 1 of the present invention, clearly expressing the logical configuration of Embodiment 1. Specifically include:

[0087] The illumination light source unit and the imaging unit are configured as a multi-spectrum multi-polarization combined optical imaging system.

[0088] The illumination light source unit is composed of near-ultraviolet and near-infrared light sources (4a, 4b), and polarizers (2a, 2b);

[0089] The imaging unit is composed of a near-ultraviolet imaging optical path (7, 20a, 21a), a near-infrared imaging optical path (8, 20b, 21b) and an analyz...

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Abstract

The invention provides and realizes a bioassay system for combined iris and cortical tissues, which comprises an optical imaging device, detection and analysis of biological tissue activity, and an assay method based on image analysis. The bioassay system is suitable for all users, has the applicability of common population, and satisfies the scale application based on national level; the most reliable detection and analysis of the biological tissue activity ensure the self-reliability of the bioassay system; and the assay method based on image analysis improves the accuracy and reliability of the performance of the bioassay system.

Description

technical field [0001] The invention relates to a bioassay system, in particular to an optical imaging device used in a bioassay system combining iris and cortex tissue, a biotissue activity detection and analysis method and a method based on image analysis. Background technique [0002] According to the basic research of the inventor's early related iris biometric system, the results of the actual large sample population test reveal the following shortcomings that need to be improved: [0003] 1. Although the visible iris standard proposed by the inventor earlier is: ≥ 70% at the time of registration and ≥ 40% at the time of comparison. However, about 1%-0.5% of users, especially elderly users, have less than 30% of the visible iris analyzed and cannot improve; about 0.01%-0.001% of users are affected by various eye diseases such as Degenerative pathological effects cannot be used for iris biometrics, so there is a need for a better biometric system that is applicable to a...

Claims

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Application Information

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IPC IPC(8): A61B3/10A61B5/117A61B5/1171
Inventor 倪蔚民金城
Owner SUZHOU SIYUAN KEAN INFORMATION TECH
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