A Digital Video Restoration Method for Underground Substation
An underground substation and digital video technology, applied in the direction of closed-circuit television system, two-way working system, etc., can solve the problems of weak control ability and lack of safety monitoring on the construction site
Active Publication Date: 2015-09-09
SHANGHAI MUNICIPAL ELECTRIC POWER CO +2
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Problems solved by technology
In contrast to the spirit of the country's "three sets and five majors" and the strengthening of information management and control of key nodes of engineering construction and the need for safety and stability in the transitional stage of project management, the current construction process and construction site management and control capabilities are not strong, and there is a lack of safety monitoring. technical means
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[0052] Such as figure 1 Shown, a kind of underground substation digital video recovery method is characterized in that, comprises the following steps:
[0053] 1) Transmit the low-light digital video of the construction process of the underground substation to the processor;
[0054] 2) The processor extracts the image information of each frame, and performs an independent enhancement operation on each frame of image;
[0055]3) According to the image inter-frame difference information, the next frame image is compensated and enhanced based on inter-frame information to improve the efficiency of video image enhancement;
[0056] 4) Verify the compensation result, and obtain the restoration result of the digital image of the underground substation.
[0057] The described independent enhancement operation for each frame of image is specifically:
[0058] 21) design filter, as shown in formula (1):
[0059] F ( x , ...
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The invention relates to a recovering method of digital video of an underground substation. The recovering method comprises the following steps: transmitting the digital video with a low illumination level of a construction process of an underground substation to a processor, extracting the image information of each frame through the processor, carrying out independent enhancing operation to the image information of each frame, carrying out compensation enhancing to the image information of a next frame based on interframe information according to image frame-to-frame differences information to improve the efficiency of video image enhancement, verifying a compensation result, and obtaining the recovering result of a digital image of the underground substation. Compared with the prior art, the recovering method of the digital video of the underground substation has the advantages of enabling a final recovered image to have more structured information, guaranteeing the instantaneity of a system, meanwhile improving the enhancement quality of the recovered image to a maximum extent, improving the effectiveness of a video image, enabling a workstation to be managed conveniently and the like.
Description
technical field [0001] The invention relates to a video restoration method, in particular to a digital video restoration method of an underground substation. Background technique [0002] 2012 is a very critical year for further deepening the management of the "three sets" and comprehensively promoting the construction of the "five big" systems. All departments and units must continuously optimize the management and operation models of various businesses on the premise of ensuring safety and stability, and continue to Promote and improve the construction of the "three sets and five majors" system. [0003] Among them, "big construction" is to unify the management process, technical specifications and construction standards of power grid construction, strengthen the management and control of key links in construction, strengthen the professional management of construction functions, engineering projects and construction teams, improve the safety quality and technological leve...
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IPC IPC(8): H04N7/18H04N7/14
Inventor 郑思国刘刚何真珍陈晓东
Owner SHANGHAI MUNICIPAL ELECTRIC POWER CO