Sub-camera video capture device

A technology for video capture and shot splitting, which is used in image analysis, closed-circuit television systems, and image data processing.

Inactive Publication Date: 2011-09-14
无锡安科兴业科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

In addition, the system cannot display color images while marking areas suspected of being flames, so as to remind operators to pay attention and make manual judgments
In addition, although the infrared channel is used, it is still necessary to analyze and process the images of the infrared channel and the color channel, and then compare the suspicious areas with overlapping positions, so as to improve the accuracy of the alarm, and as a result, the amount of data processing does not decrease. Anti-increase, which increases processing time and computational complexity, leading to higher system costs

Method used

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Embodiment Construction

[0017] Embodiments of the present invention will be described in further detail below with reference to the accompanying drawings. However, the detailed description given below with reference to the accompanying drawings is only exemplary and not restrictive, and the present invention is not limited to the specific embodiments given below.

[0018] figure 1 A schematic block diagram of a split-shot video capture device 1 according to the invention is shown. Such as figure 1 As shown, the split-lens video capture device 1 according to the present invention includes: a lens 11 for capturing a scene; a beam splitter 12 for passing the captured scene to each image capturing element; a filter element 13 for filtering out natural light, Interfering visible light such as fluorescent lamps and ground reflections; the image capture element 14 is used to acquire scene images; the image processing device 15 is used to acquire flame images in the scene. Such as figure 1 As shown, the ...

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Abstract

The invention provides a sub-camera video capture device and a method thereof. According to the invention, a scene optical image signal acquired by a camera is divided into at least two paths by a light-splitting unit; at least one path of the optical image signal is directly converted into a real electronic image signal in a photoelectric way; a filtering element is simultaneously used for filtering the rest paths of the optical image signal; then, the optical image signal processed by filtering is converted into a filtering electronic image signal in a photoelectric way; a filtering suspected flame image part is detected from image frame of the filtering electronic image signal; and then, based on the filtering suspected flame image part, a real suspected flame image part is confirmed from the real electronic image signal.

Description

technical field [0001] The invention relates to the field of fire detection, in particular to a split-lens video capture device for flame detection. Background technique [0002] With the rapid development of the economy, various high-rise building groups continue to emerge. In high-rise buildings, where the population is dense and the property is concentrated, the problem of fire safety is highlighted. Traditional fire detection technologies mainly include temperature sensing, smoke sensing, light sensing and composite modes. Not only do these techniques need to be improved in terms of sensitivity and reliability, but they cannot respond to the first signs of a fire. Therefore, in recent years, image-based fire detection technology has been actively studied. This technology can be used in indoor environments with a lot of dust and high humidity. It has high sensitivity to the initial signal of fire and has a good application prospect. [0003] The US patent application U...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N7/18G06T7/20G08B17/00
Inventor 王占宁班华忠于君杨达
Owner 无锡安科兴业科技有限公司
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