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Method and device for improving intelligent analysis performance

An intelligent analysis and performance technology, applied in the direction of CCTV system, electrical components, digital video signal modification, etc., can solve the problems of high performance consumption, lower equipment processing performance, and inability to complete intelligent analysis of video data, so as to avoid a large number of copies, The effect of improving device processing performance and improving intelligent analysis performance

Active Publication Date: 2018-06-26
ZHEJIANG UNIVIEW TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] However, the process of copying video data from GPU memory to CPU memory consumes a lot of performance, which reduces the processing performance of the device and makes it impossible to complete intelligent analysis of video data

Method used

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  • Method and device for improving intelligent analysis performance
  • Method and device for improving intelligent analysis performance

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Embodiment Construction

[0036]The terminology used in this application is for the purpose of describing specific embodiments only, not to limit the application. As used in this application and the claims, the singular forms "a", "the" and "the" are intended to include the plural forms as well, unless the context clearly dictates otherwise. It should also be understood that the term "and / or" as used herein is meant to include any and all possible combinations of one or more of the associated listed items.

[0037] It should be understood that although the terms first, second, third, etc. may be used in this application to describe various information, the information should not be limited to these terms. These terms are only used to distinguish information of the same type from one another. For example, without departing from the scope of the present application, first information may also be called second information, and similarly, second information may also be called first information. Depending...

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Abstract

The invention provides a method and device for improving intelligent analysis performance. The method comprises steps that hard decoding of video data inputted by a GPU is carried out; the video dataafter hard decoding is stored by the GPU into a video memory of the GPU; the video data stored in the video memory is mapped by the GPU to a DMA buffer area; the video memory address corresponding thevideo data stored in the video memory is acquired by a CPU from the DMA buffer area, and the video memory of the GPU is accessed through utilizing the video memory address; intelligent analysis on the video data stored in the video memory of the GPU is carried out by the CPU. The method is advantaged in that the memory buffer mechanism of the DMA buffer area is utilized to copy the video data from the video memory of the GPU to a memory of the CPU, large-scale copy of the video data is avoided, zero video data copy between the video memory of the GPU and the memory of the CPU is realized, equipment processing burden is reduced, equipment processing performance is improved, and intelligent analysis performance of the video data is improved.

Description

technical field [0001] The present application relates to the technical field of monitoring, and in particular to a method and device for improving intelligent analysis performance. Background technique [0002] In recent years, with the rapid development of computers, networks, image processing, and transmission technologies, the trend of popularization of video surveillance systems has become more and more obvious. Video surveillance systems are gradually becoming high-definition and intelligent. Video surveillance systems can be applied to many Fields, such as intelligent transportation, smart parks, safe cities, etc. [0003] In the video monitoring system, in order to solve the performance problem and meet the requirements of multi-channel intelligent analysis at the same time, high-speed processors such as DSP (Digital Signal Processing, digital signal processing) and GPU (Graphics Processing Unit, graphics processing unit) are popularized. The difference between GPU ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N7/18H04N19/42H04N19/423H04N19/44
CPCH04N7/18H04N19/42H04N19/423H04N19/44
Inventor 屠震元林志
Owner ZHEJIANG UNIVIEW TECH CO LTD