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Multi-level parallel key frame cloud extraction method and system

An extraction method and key frame technology, which is applied in image data processing, instruments, character and pattern recognition, etc., can solve the problems of limited single-machine processing capacity, large number of video frames, and long time consumption, and achieve good scalability and stability , the effect of improving the extraction efficiency

Active Publication Date: 2018-08-14
SOUTH CHINA NORMAL UNIVERSITY
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Problems solved by technology

Most of the research mainly focuses on the extraction accuracy of video key frames, but the extraction of video key frames involves a lot of digital operations, with a large number of video frames, serial video key frame extraction will take a long time, and the processing capacity of a single machine is limited, so there are It is necessary to study a multi-level parallel key frame cloud extraction method and cloud extraction system

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  • Multi-level parallel key frame cloud extraction method and system
  • Multi-level parallel key frame cloud extraction method and system
  • Multi-level parallel key frame cloud extraction method and system

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Embodiment Construction

[0014] Embodiments of the invention will now be described in detail, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like parts throughout. The embodiments are described below in order to explain the present invention by referring to the figures. In the drawings, the thicknesses of layers and regions may be exaggerated for clarity. In the following description, unnecessary detailed descriptions of well-known structures and / or functions may be omitted in order to avoid obscuring the inventive concept caused by unnecessary detailed descriptions of well-known structures and / or functions.

[0015] figure 1 is a schematic diagram of a multi-level parallel key frame cloud extraction system according to an embodiment of the present invention.

[0016] refer to figure 1 , the multi-stage parallel key frame cloud extraction system according to an embodiment of the present invention includes: a video input module 10, configured...

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Abstract

The invention discloses a multi-level parallel key frame cloud extraction method and system. The key frame cloud extraction system includes: a video input module configured as a video input interface for extracting key frames; a video shot segmentation module configured to segment an input video so as to perform parallel processing of key frame extraction; multi-stage The parallel key frame cloud processing module is structured to generate key frame groups for each shot through a multi-level parallel strategy for video shots, through parallel extraction of frame feature vectors and parallel clustering operations; the key frame output module is structured to generate key frame groups for each shot The generated keyframe groups are combined, and finally the keyframe group of the entire video is output. The multi-stage parallel key frame cloud extraction method and system of the present invention have high efficiency when processing large-scale key frame extraction, and at the same time, have good scalability and stability, and can meet the needs of large-scale key frame extraction.

Description

technical field [0001] The present invention relates to key frame cloud extraction technology, more specifically, to a multi-level parallel key frame cloud extraction method and a multi-level parallel key frame cloud extraction system. Background technique [0002] A video key frame refers to the most important and representative image or images in the shot. The extraction of key frames can greatly reduce the amount of video data processing, and has attracted extensive attention from researchers. [0003] Cloud computing can seamlessly expand to large-scale clusters, and can tolerate error codes of some nodes. Even if most nodes fail, it will not affect the correct operation of the program. Therefore, cloud computing has good scalability and stability. . [0004] The existing main methods of key frame extraction include: method based on shot boundary, key frame extraction based on motion analysis, key frame extraction based on image information, key frame extraction based ...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06K9/00
CPCG06V20/47G06V20/49G06T7/00
Inventor 朱定局
Owner SOUTH CHINA NORMAL UNIVERSITY
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