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Signal characterization method of visual array sensor

An array sensor and signal characterization technology, which is applied in the direction of material analysis by observing the influence of chemical indicators, analysis by making materials undergo chemical reactions, color/spectral characteristic measurement, etc., can solve multiple redundant information and information volume In order to achieve the effect of enriching information representation, expanding the range of spectral collection, and improving detection stability and accuracy

Active Publication Date: 2015-09-02
JIANGSU UNIV
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Problems solved by technology

However, the price is that the three primary color imaging technology can only obtain the three variable values ​​of red, green and blue, and the amount of information is less
In addition, the sensitive spectral ranges of the three imaging units of cameras, scanners and other equipment used for three-primary color imaging cross each other, resulting in red, green, and blue variables containing more redundant information
In summary, there is a problem that the existing technology cannot take into account the accuracy and the convenience of operation at the same time

Method used

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  • Signal characterization method of visual array sensor
  • Signal characterization method of visual array sensor
  • Signal characterization method of visual array sensor

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Embodiment Construction

[0024] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work belong to the protection of the present invention. scope.

[0025] In this embodiment, ammonia gas detection is taken as an example, and a 4×4 array sensor is used to predict the concentration of ammonia gas. The equipment used is such as figure 1 As shown, the information processing process is as follows figure 2 shown. The present invention comprises the following steps:

[0026] (1) Use chloroform or etha...

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Abstract

The invention discloses a signal characterization method of a visual array sensor. The full spectrum information of the visual array sensor is obtained by use of a hyperspectral imaging technology, and a spectrum difference value under a characteristic wavelength is extracted from the full spectrum information and applied to the signal characterization of the visual array sensor. The signal characterization method is capable of improving the detection accuracy and the stability of the visual array sensor and can be applied to the fields of multi-component gas detection, food inspection and the like.

Description

technical field [0001] The invention relates to a signal characterization method of a visual array sensor, in particular to a method for using hyperspectral imaging technology to perform signal characterization of a visual array sensor, thereby improving its detection effect. Background technique [0002] Visual array sensing technology is a new type of sensing technology developed in recent years. It uses a variety of chemical chromogens such as porphyrins, metal porphyrins, and pH indicators with certain specific recognition capabilities to react with gases to produce characteristic responses. Signal, through the signal processing system to obtain the characteristic spectrum of the sample to be tested, and then perform qualitative or quantitative analysis. [0003] As the sensing unit of the visual array sensor, the color of the chemical chromogenic agent will change before and after the action of the detected object. The molecular structure of the colorant changes to cha...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/31G01N21/78
Inventor 邹小波李志华黄晓玮石吉勇申婷婷
Owner JIANGSU UNIV
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