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Motion state adaptive key frame extraction method

A motion state and extraction method technology, applied in the field of image processing, can solve problems such as application limitations and high calculation costs, and achieve the effects of reduced video data volume, easy management, and rich meaning

Active Publication Date: 2018-10-30
SHIJIAZHUANG TIEDAO UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, calculating the human visual attention model requires high computational costs, which limits the practical application of such methods

Method used

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  • Motion state adaptive key frame extraction method
  • Motion state adaptive key frame extraction method
  • Motion state adaptive key frame extraction method

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Embodiment Construction

[0063] The technical solutions in the embodiments of the present invention are clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0064] In the following description, a lot of specific details are set forth in order to fully understand the present invention, but the present invention can also be implemented in other ways different from those described here, and those skilled in the art can do it without departing from the meaning of the present invention. By analogy, the present invention is therefore not limited to the specific examples disclosed below.

[0065] The invention di...

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Abstract

The invention discloses a motion state adaptive key frame extraction method and relates to the technical field of image processing methods. The method comprises the steps of: moving segment segmentation of a video sequence; extracting a spatio-temporal slice in the segmented video moving segment; using the spatio-temporal slice to build an STS-CS model to detect the target motion state in the video motion segment; according to the target motion state Change the drawing visual attention curve; extract keyframes according to the visual attention curve. The method can comprehensively and efficiently capture the change of the target motion state, and the extracted key frames are more accurate.

Description

technical field [0001] The invention relates to the technical field of image processing methods, in particular to a motion state adaptive key frame extraction method. Background technique [0002] With the explosive growth of video data, analyzing and browsing video quickly and accurately has become an urgent problem to be solved, especially in video surveillance applications. Keyframe extraction is gaining more and more attention as a feasible solution. The evaluation of key frames is mainly to see whether they can fully and accurately reproduce the main events in the original video, and reduce redundancy as much as possible under the premise of ensuring comprehensive extraction. [0003] The currently widely used key frame extraction algorithms are usually based on the analysis of the underlying features of the video, and the key frame extraction is performed based on the change of content features (color, shape, motion, etc.) of a single frame or a small number of frames...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N5/14
CPCH04N5/144
Inventor 张云佐
Owner SHIJIAZHUANG TIEDAO UNIV
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