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Non-contact thermal target size measurement system and method

A non-contact, measurement system technology, applied in the direction of measuring devices, instruments, optical devices, etc., can solve the problems of not being able to measure moving targets, no thermal targets, etc.

Active Publication Date: 2013-02-06
凯迈(洛阳)测控有限公司
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Problems solved by technology

[0003] The purpose of the present invention is to provide a non-contact thermal target size measurement system and method to solve the problem that existing measurement methods cannot measure thermal targets such as moving targets and targets without specific shapes

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  • Non-contact thermal target size measurement system and method
  • Non-contact thermal target size measurement system and method

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Embodiment Construction

[0031] Such as figure 1 As shown, the non-contact thermal target size measurement system includes an optical coaxial thermal imager, a laser range finder and an intelligent processing module, and the thermal imager and the range finder should be kept at a relatively close distance, and the optical coaxial setting, The output signals of the laser range finder and the thermal imager are respectively connected to the intelligent processing module, such as figure 2 As shown, the intelligent processing module includes an A / D module connected in sequence, a first register, a microprocessor, a second register and a D / A module, and the microprocessor is connected with an interface for communicating with the laser range finder; The microprocessor is also connected with FLASH data memory and SDRAM program memory respectively. The intelligent processing module can be located in the thermal imager or in a computer.

[0032] The steps of the non-contact thermal target size measurement m...

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Abstract

The invention relates to a non-contact thermal target size measurement system and method. The system comprises a thermal imager and a laser distance meter, wherein the thermal imager and the laser distance meter are optically and coaxially arranged; the output signals of the laser distance meter and the thermal imager are respectively connected into an intelligent processing module; the intelligent processing module comprises an A / D module, a first cache, a microprocessor, a second cache and a D / A module which are connected in sequence; and the microprocessor is connected with an interface used for communication with the laser distance meter. According to the invention, a thermal signal of an infrared sensor is combined with laser / ultrasonic wave / laser to measure the distance, the target size is automatically captured and calculated in a non-contact mode and a passive mode by the image processing technology and the delta transformation principle, the tangent plane sizes and the areas of almost all visible thermal targets, such as air flying objects, submarine ships and vehicles driven on the ground, are quickly measured, and the non-contact thermal target size measurement system and method can be applied to fields, such as forest fire prevention, geothermal survey and the like, which need non-contact size / area evaluation for a certain thermal area so as to measure the size without contacting the target and warning the target.

Description

technical field [0001] The invention belongs to the technical field of optoelectronic integration, and relates to a non-contact thermal target size measurement system and method. Background technique [0002] At present, the widely used non-contact measurement is the size measurement technology based on distance measurement and angle measurement, that is, by measuring the distance between the two ends of the target and measuring the angle between the two distance measurements at the same time, the cosine law can be used to obtain The length between the two ends of the target; this method is simple to implement and has high accuracy when measuring fixed and tangible targets, but it is difficult to It is not easy to detect the target because of the aiming problem, so this method is limited to fixed physical targets, and it is mostly used in urban construction and geographic surveys. Contents of the invention [0003] The object of the present invention is to provide a non-c...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B11/00
Inventor 蒋晓阳王宗俐常佳于露
Owner 凯迈(洛阳)测控有限公司
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