Video playback method and video playback device

A technology of video recording and playback rate, applied in image communication, TV, color TV components and other directions, can solve the problem of feature analysis and extraction without encoder, achieve high-efficiency video playback and improve work efficiency.

Active Publication Date: 2016-01-13
SHENZHEN ZTE NETVIEW TECH
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AI Technical Summary

Problems solved by technology

In the prior art, the above solution is usually realized by means of information at the encoder end. The idea is: when encoding the video stream at the encoder end, perform feature analysis at the same time, and write the feature label generated by the analysis result into the video stream. When decoding the video stream at the decoding end, these featur

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  • Video playback method and video playback device
  • Video playback method and video playback device

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Embodiment Construction

[0045] The technical scheme of the present invention will be described in further detail below in conjunction with the accompanying drawings and specific examples, so that those skilled in the art can better understand the present invention and implement it, but the examples given are not intended to limit the present invention .

[0046] The video playback method provided by the embodiment of the present invention is applied to the field of video surveillance as an example. Usually, the focus of video surveillance is often a moving target, such as a moving person, vehicle, animal, etc., so the moving target is usually defined as information of interest to the user. In the embodiment of the present invention, the video playback method sets the region of interest on the image, and quantifies and expresses the information that the user cares about according to the video motion intensity of the image content in the region of interest, and adjusts the content of the video recordin...

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Abstract

The invention discloses a video playback method and a video playback device. The device comprises the steps of setting at least one region of interest according to at least one frame image in a video recording file; adjusting the interval according to a preset video playback rate so as to acquire to frame images, and calculating a motion intensity value of the image content of the at least one region of interest; adjusting the video playback rate of the video recording file according to the motion intensity value of the image content in the at least one region of interest, and playing the video recording file according to the video playback rate. According to the invention, in the process of playing the video recording file, participation of an encoder terminal is not required, high-efficiency video playback can be realized while ensuring users to acquire enough interested information as for any path of video code stream, and the work efficiency of video retrieval is improved.

Description

technical field [0001] The invention relates to the field of digital image processing, in particular to a video playback method and device thereof. Background technique [0002] With the popularization of video surveillance systems in all walks of life and the continuous expansion of multimedia technology applications, the use of video data post-processing technology has become more and more extensive. Among them, retrieving information of interest to users from video sequences is It is a relatively common video post-processing technology at present. [0003] Based on this, the currently commonly used retrieval method is to manually check the video playback method, but the reality is that the current video recording has shown the characteristics of mass production. Undoubtedly, adopting this solution will consume a lot of manpower and time, and has obvious low efficiency. Fatiguing problems. Therefore, it is particularly necessary to develop a technology that can efficient...

Claims

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Application Information

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IPC IPC(8): H04N5/93H04N7/18
Inventor 蔡振伟
Owner SHENZHEN ZTE NETVIEW TECH
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