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Thermal image matching updating device and thermal image matching updating method

An updated, contrast value technology, applied in image communication, TV, color TV components and other directions, can solve problems such as high shooting alignment requirements, user fatigue, and extended shooting time.

Inactive Publication Date: 2014-07-02
MISSION INFRARED ELECTRO OPTICS TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the above method requires the user to visually judge the matching degree of the reference image and the thermal image of the subject, and the user is prone to visual fatigue; when using a handheld thermal imaging device, the operation of aligning and shooting is easy Fatigue, repeated aiming prolongs the shooting time and affects the quality of the thermal image captured
Moreover, this method is rigid in operation and has high requirements for shooting alignment

Method used

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  • Thermal image matching updating device and thermal image matching updating method

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Experimental program
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Effect test

Embodiment approach 1

[0033] The thermal imaging device 100 (thermal image matching and updating device 100) of the first embodiment is based on the thermal imaging data frames captured by the imaging unit 1 and stored in the temporary storage unit 2 with multiple thermal imaging data frames (here, thermal imaging signal frames). ), according to a prescribed instruction, detect the correlation between the multi-frame thermal imaging data stored in the temporary storage unit 2 and the subject identification information, and the thermal imaging device 100 is based on the obtained thermal imaging greater than the prescribed contrast value Information about the data frame to inform the user.

[0034] figure 1 It is a block diagram showing the schematic structure of the thermal imaging device 100 as an example of the thermal image matching and updating device 100 of Embodiment 1 of the present invention.

[0035] Specifically, the thermal imaging device 100 has a photographing unit 1, a temporary storage uni...

Embodiment approach

[0044] The image processing unit 7 is configured to perform prescribed processing on the thermal image signal obtained by the photographing unit 1 to obtain image data of the infrared thermal image. Specifically, for example, the image processing unit 7 performs prescribed processing such as non-uniformity correction and interpolation on the thermal image signal captured by the photographing unit 1, and performs pseudo-color processing on the thermal image signal after the prescribed processing to obtain an infrared thermal image. Data; an implementation of pseudo-color processing, such as determining the corresponding pseudo-color table range according to the range of the thermal image signal (AD value) or the setting range of the AD value, and the thermal image signal corresponding to the range of the pseudo-color plate The specific color value is used as the image data of the corresponding pixel position in the infrared thermal image. The image data obtained after the pseudo...

Embodiment 2

[0121] The difference from Embodiment 1 is that the thermal imaging device 100 (thermal image matching and updating device) is based on the multi-frame thermal imaging data frame in the temporary storage unit 2 and detects the multi-frame stored in the temporary storage unit 2 according to a prescribed instruction. The specified information related to the thermal image of the specific subject in the thermal image data frame; wherein the specified information includes at least one of the position, size, tilt angle, and correlation value of the thermal image of the specific subject or Any combination of information. The control unit 11 has an auxiliary information acquisition unit (not shown) for acquiring auxiliary information; a comparison unit 11A for detecting prescribed information obtained by the detection unit, auxiliary information obtained by the auxiliary information acquisition unit, and information obtained by the detection unit 8 One or more of the evaluation value o...

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Abstract

The invention provides a thermal image matching updating device and a thermal image matching updating method and relates to the application field of a thermal image device, a thermal image processing device and infrared thermal imaging detection. According to a thermal image device in the prior art, during shooting, a thermal image of an object under shooting is shot based on the subjective experience of a user, so that the workload is heavy and the quality of the thermal image is hard to guarantee. According to the thermal image matching updating device and the thermal image matching updating method provided in the invention, when a detection indication is responded, prescribed information of thermal images of a specific object under shooting in a plurality of frames of thermal image data frames in a storage medium can be detected; or with the factor of auxiliary information taken into consideration, and in the comparison of prescribed comparison values, the prescribed comparison values are updated based on prescribed conditions, so that the optimal thermal image data frame can be obtained by comparison of the thermal image data frames obtained continuously; and further processing or operation, such as selection, notification, analysis and storage and the like can be carried out favorably.

Description

Technical field [0001] The thermal image matching update device and thermal image matching update method of the present invention relate to various thermal image devices for handheld shooting or online shooting, thermal image processing equipment for receiving and processing thermal images, and the application field of infrared detection. Background technique [0002] Since the application of thermal imaging detection technology, users have been confused about the recognition of the correct shooting position, the imaging form of the subject under the shooting angle, and the control of the shooting distance. These depend on the user’s subjective ideas and experience. To ensure the quality of inspection, you need to think while shooting. The shooting speed is very slow. If you increase the speed, it is easy to miss key shooting parts or object defects, which affects the effect of state evaluation. It usually takes several years of practical accumulation for users to reach a higher ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01J5/10H04N5/33
Inventor 王浩
Owner MISSION INFRARED ELECTRO OPTICS TECH