Comprehensive spectral imaging method suitable for biological resource detection

A technology of spectral imaging and biological resources, applied in the field of photoelectric imaging, can solve the problems of origin identification, physical properties and genetic characterization that have not yet been established

Active Publication Date: 2018-02-23
SHANGHAI INST OF TECHNICAL PHYSICS - CHINESE ACAD OF SCI
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Problems solved by technology

In recent years, the number of animals and plants exported from China has increased year by year, but a complete metadata database for origin identification, physical properties, and genetic characterization has not yet been established.

Method used

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  • Comprehensive spectral imaging method suitable for biological resource detection

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Embodiment Construction

[0030] The specific embodiment of the present invention is as figure 1 shown.

[0031] The integrated spectral imager proposed by the present invention is composed of an embedded main controller 1, a terahertz scanning imaging subsystem 2, a multi-spectral imaging subsystem 23, a sample chamber 8 and a wireless local area network transceiver 26;

[0032] The terahertz scanning imaging subsystem 2 is composed of a transmitting head 5, a receiving head 13, a two-dimensional electric platform 30, and a scanning and switching controller 3; the transmitting head 5 includes a terahertz source 4 and a terahertz emitting lens 7; the receiving head 13 includes The terahertz receiving lens 33 and the terahertz sensor 29; the transmitting head 5 and the receiving head 13 are coaxially installed with the terahertz optical axis 6 as the axis, and fixed on the two-dimensional electric platform 30; the two-dimensional electric platform 30 is in the scanning and switching controller Under th...

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Abstract

The invention discloses a comprehensive spectral imaging method suitable for biological resource detection. The method is implemented based on a comprehensive spectral imager and comprises laser multi-spectral black and white calibration, terahertz scanning transmission calibration, laser multi-spectral reflection imaging, terahertz transmission scanning imaging and image computing and database building. The invention provides the super-continuum spectrum homogeneous laser source illumination method and through combination with standard black-and-white plate correction, the structural featuressuch as the structure and texture of an important biological resource sample are acquired. Through a terahertz scanning lens imaging method, the water content characteristics of the important biological resource sample are acquired. The comprehensive spectral imaging method is conducive to spectral images containing multiple information and can facilitate the important biological resource tracing, identification and protection in the import and export inspection and quarantine departments of the customs.

Description

technical field [0001] The present invention relates to a comprehensive spectral imaging method, in particular to a comprehensive spectral imaging method using supercontinuum homogeneous laser source illumination for standard reflective imaging and single-beam scanning terahertz source standard transmission imaging for comprehensive spectral imaging. The invention relates to the structure and water distribution imaging of plant tissue samples, belonging to the field of photoelectric imaging. Background technique [0002] In the field of import and export, most countries adopt strict control measures on the import and export of important biological resources. For example, the US Department of Agriculture's Animal and Plant Inspection Service stipulates that the entry and exit of genetic materials such as livestock, breeding eggs, animal semen, blood samples, embryos, and excreta are prohibited. In recent years, the number of animals and plants exported from China has increas...

Claims

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Application Information

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IPC IPC(8): G01N21/3581G01N21/3563G01N21/3554G01N21/25
CPCG01N21/25G01N21/3554G01N21/3563G01N21/3581G01N2021/1734G01N2021/1765G01N2201/127
Inventor 万雄袁汝俊张华明张志敏
Owner SHANGHAI INST OF TECHNICAL PHYSICS - CHINESE ACAD OF SCI
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