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Substation equipment infrared intelligent monitoring system and monitoring image feature extraction method

An infrared image, intelligent monitoring technology, applied in CCTV systems, components of TV systems, image enhancement, etc., can solve the problem of increasing processing complexity and cross-interference, the overall effect is not significantly improved, and limiting the status monitoring technology of substation equipment Promotion and application issues

Active Publication Date: 2018-02-23
XIAN UNIV OF SCI & TECH
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Problems solved by technology

[0004] However, the above method only overcomes the influence of part of the background interference in a local area, and the overall effect is not significantly improved; in addition, the introduction of the new method model increases the processing complexity and the possibility of cross interference
Moreover, the method of image feature extraction after image segmentation in the prior art also has limitations, which limits the popularization and application of substation equipment condition monitoring technology

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  • Substation equipment infrared intelligent monitoring system and monitoring image feature extraction method
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  • Substation equipment infrared intelligent monitoring system and monitoring image feature extraction method

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Embodiment Construction

[0146] Such as figure 1 and figure 2 As shown, the infrared intelligent monitoring system for substation equipment of the present invention includes a plurality of thermal imaging cameras 1 arranged at the monitoring site and used for shooting infrared images of substation equipment and connected with multiple thermal imaging cameras 1 and used An image acquisition controller 2 for collecting infrared images taken by a plurality of infrared thermal imaging cameras 1, and a monitoring server 4 connected and communicating with the image acquisition controller 2 through an Ethernet 3 and a client connected and communicating with the monitoring server 4 Computer 5; Described image acquisition controller 2 comprises FPGA module 2-1 and is the uninterruptible power supply 2-4 of power consumption module in the image acquisition controller 2, and is all connected and communicated with FPGA module 2-1 MCU module 2-2 and DSP module 2-3, described FPGA module 2-1 is connected with A / D...

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Abstract

The invention discloses a substation equipment infrared intelligent monitoring system and a monitoring image feature extraction method. The system comprises a plurality of thermal infrared imagers, animage acquisition controller, a monitoring server and a client computer. The method comprises the following steps of (1) collecting substation equipment infrared images taken by the multiple thermalinfrared imagers and transmitting the images to the monitoring server, (2) based on the Retinex theory, carrying out image enhancement on the substation equipment infrared images, (3) using an improved histogram equalization algorithm to carry out image enhancement on the images, (4) using an improved region growing segmentation algorithm to carry out image segmentation on the images and using a morphological method to repair and improve the obtained images, and (5) carrying out feature extraction on the substation equipment infrared images. According to the system and the method, the defectsof blind enhancement and excessive enhancement of contrast and the like in the traditional histogram equalization technology are overcome, and a foundation is laid for accurately identifying equipmentin a substation complex background infrared image.

Description

technical field [0001] The invention belongs to the technical field of substation equipment monitoring, and in particular relates to an infrared intelligent monitoring system for substation equipment and a monitoring image feature extraction method. Background technique [0002] Most of the current electrical equipment inspection work is in accordance with the requirements of the "Electrical Equipment Preventive Test Regulations", conduct preventive tests on different primary equipment according to the specified inspection cycle, and arrange maintenance plans according to the test results. This working mode has made a great contribution to the safe operation of the power grid, but this traditional maintenance method based on preventive tests can no longer meet the needs of production, especially for some equipment with a relatively long operating life, the disadvantages of the traditional maintenance method are even more serious. obvious. The continuous development of econo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T5/40G06T7/11H02J9/06H04N5/33H04N7/18
CPCG06T5/40G06T7/11H02J9/061H04N5/33H04N7/181
Inventor 王媛彬
Owner XIAN UNIV OF SCI & TECH
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