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A method and device for extracting and recognizing fire image blocks

A recognition method and image block technology, applied in the field of image processing, can solve problems such as difficult to find

Active Publication Date: 2022-07-12
JADE BIRD FIRE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, since the image of the flame itself and its background are ever-changing and changing, it is difficult to find a set of consistent general rules. Therefore, various flame models inevitably have some shortcomings

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  • A method and device for extracting and recognizing fire image blocks
  • A method and device for extracting and recognizing fire image blocks
  • A method and device for extracting and recognizing fire image blocks

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Embodiment Construction

[0023] In order to make the purposes, 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 with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments These are some embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0024] An embodiment of the present invention provides a method for extracting and recognizing fire image blocks, including: determining a target image A99 according to a dynamic background frame and a current frame of a source image, determining a target image A01 according to the previous frame and the current frame of the source i...

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Abstract

The invention relates to a fire-fighting fire image block extraction and identification method and device. The target image is determined according to the difference between the dynamic background frame and the current frame of the source image, and the target image is determined according to the previous frame and the current frame of the source image. Perform point-by-point micro-swing, noise filtering, block micro-swing and block placement screening to eliminate various noise interferences and obtain the record body of the current frame and the target image of the changing edge; Merge and write into files in picture format; read block data one by one from the files of the current frame and the previous 1 to 5 frames, calculate the block feature parameter set, calculate the matching value, and determine whether the block is the target image required by the user . The invention also discloses an extraction and identification method and device, which can automatically adapt to various background changes including the alternation of day and night, better solve the problem of drift in the process of image acquisition and identification, and accurately extract the target image required by the user. .

Description

technical field [0001] The invention relates to the technical field of image processing, and in particular, to a method and a device for extracting image blocks of firefighting. Background technique [0002] Fire image recognition technology is a technology that uses computers to replace human eyes to automatically recognize fire images. Using visible light cameras, real-time monitoring of flames, smoke, water flow trajectories, laser pointer points, etc. in any background, and real-time identification and extraction of flame, smoke, water flow trajectories, laser pointer points and other (suspected) target image blocks. It is extremely valuable for the research and development of an intelligent fire protection system that integrates real-time monitoring, identification, alarm and extinguishing of fires. [0003] At present, there are many methods for computer fire image recognition, usually using characteristic parameters such as flame color, brightness, flicker, moving ta...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T7/246G06V10/30G06V10/56
CPCG06T7/251G06V10/30G06V10/56
Inventor 朱亮
Owner JADE BIRD FIRE CO LTD