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Pre-amplifying infrared imaging image identification system based on analog-to-digital conversion

An infrared imaging system and analog-to-digital conversion technology, applied in the field of image recognition systems, can solve the problems of low recognition accuracy and achieve the effects of rich information, increased speed, and clear images

Inactive Publication Date: 2015-11-04
NINGBO MOMI INNOVATION WORKS ELECTRONICS TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to overcome the defect that the current traditional image recognition system cannot suppress the influence of external natural light and cause low recognition accuracy, and to provide a preamplified infrared imaging image recognition system based on analog-to-digital conversion

Method used

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  • Pre-amplifying infrared imaging image identification system based on analog-to-digital conversion
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  • Pre-amplifying infrared imaging image identification system based on analog-to-digital conversion

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Embodiment

[0027] Such as figure 1As shown, the present invention consists of an infrared imaging system 1 and an image recognition system 2 connected with the infrared imaging system 1 . This infrared imaging system 1 is used for collecting the image signal of the object to be identified. It consists of an infrared light source 11, an optical system 12 connected with the infrared light source 11, a scanning mechanism 13 connected with the optical system 12, and a scanning mechanism 13. It is composed of an infrared detector 14 connected, an analog-to-digital conversion module 15 connected to the infrared detector 14, and a preamplifier circuit 16 connected to the analog-to-digital conversion module 15.

[0028] Wherein, the infrared light source 11 is used to emit near-infrared light, which is a narrow beam, which can make the identified target stand out in the field of view, making it form a large contrast with the background, thereby obtaining a relatively clear image. This makes the...

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Abstract

The invention discloses a pre-amplifying infrared imaging image identification system based on analog-to-digital conversion. The pre-amplifying infrared imaging image identification system is composed of an infrared imaging system (1) and an image identification system (2) connected with the infrared imaging system (1). The infrared imaging system (1) is composed of an infrared light source (11), an optical system (12) connected with the infrared light source (11), a scanning mechanism (13) connected with the optical system (12), an infrared detector (14) connected with the scanning mechanism (13), an analog-to-digital conversion module (15) connected with the infrared detector (14), and a pre-amplification circuit (16) connected with the analog-to-digital conversion module (15). By means of the pre-amplification circuit, the pre-amplifying infrared imaging image identification system may amplify an image signal in an undistorted manner and the amplified image is clearer so as to further improve the identification precision of the pre-amplifying infrared imaging image identification system. Further, the pre-amplifying infrared imaging image identification system is provided with the analog-to-digital conversion module which may highly efficiently convert a signal into a data image so as to increase infrared imaging speed.

Description

technical field [0001] The invention relates to an image recognition system, in particular to a preamplified infrared imaging image recognition system based on analog-to-digital conversion. Background technique [0002] In order to identify the identity of the user, or to use the monitoring system in some occasions for security considerations is a common practice of current security. The traditional method is to set a password for the monitoring system, which is only known to specific personnel. However, if the password is leaked, other users can access the system, which also reduces security. Some human signs cannot be copied, so the biometric identification system that uses human signs, fingerprints or faces as the identity of the user is developing rapidly. [0003] Among them, face recognition technology is a hot issue in the field of biometrics. Many research institutions and companies are actively conducting research and corresponding product development, and have de...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N5/33H04N5/232
Inventor 刘霖刘永邱会中杨先明张晓奕
Owner NINGBO MOMI INNOVATION WORKS ELECTRONICS TECH
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