Method, terminal, server, and system for evaluating video quality

A video quality and terminal technology, applied in the field of communication, can solve the problems of inaccurate evaluation results and high computational complexity, and achieve the effect of reducing computational complexity and improving accuracy

Active Publication Date: 2011-09-28
HUAWEI TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Accurate evaluation of video quality is an important prerequisite for ensuring the QoS of end users. Specifically, when evaluating video quality in the prior art, it is necessary to obtain images and decoded images

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  • Method, terminal, server, and system for evaluating video quality
  • Method, terminal, server, and system for evaluating video quality
  • Method, terminal, server, and system for evaluating video quality

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Embodiment Construction

[0032] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some 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.

[0033] Such as figure 1 As shown, the embodiment of the present invention provides a method for evaluating video quality, including:

[0034] Step 11, through the distortion value of each frame image in the enhancement layer after the multi-frame image MPEG-4 fine-grained scalable (FGS) encoding, and the data volume in the enhancement layer after the multi-frame image MPEG-4 fine-grained scalable encoding, obtain Decode the distortion values ​​of ...

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Abstract

The invention relates to a method, a terminal, a server, and a system for evaluating video quality, with the evaluating method comprising: obtaining the distortion value of a decoded and restructured multi-framing image via the distortion value of each frame image and the data size of the multi-framing image in reinforced layer after the expanding coding of the multi-framing image MPEG-4fine fraction; obtaining the peak signal-to-noise ratio of the multi-framing image according to the distortion value; obtaining the time delay dithering value and trigger delay value of network transmission; and evaluating the quality of the video according to the peak signal-to-noise ratio and time delay dithering value and trigger delay value of network transmission. The terminal triggers delay and time delay dithering to evaluate video quality by obtaining the peak signal-to-noise ratio of the decoded and restructured multi-framing image, thereby improving the accuracy of the evaluation. The distortion value of the decoded and restructured multi-framing image is obtained by the distortion value of each frame image in the reinforced layer and data size of multi-framing image in the reinforced layer, thereby reducing the calculating complexity.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a method for evaluating video quality, a terminal, a server and a system. Background technique [0002] Video streaming technology means that after video images are specially encoded, such as MPEG-4FGS (Moving Pictures Experts Group 4 Fine Granularity Scalability, dynamic image compression standard 4 Fine Granularity Scalability) encoding and other scalable video coding (Scalable Video Coding), end users through A working method in which the network or a specific digital channel decodes and plays video data while downloading. [0003] At present, video streaming technology combines P2P (Peer-to-Peer, peer-to-peer network) technology and CDN (Content Delivery Network, content distribution network) technology to distribute media to edge nodes by using CDN on the backbone network. Limiting P2P traffic to the same area reduces burst traffic on the backbone network. C...

Claims

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Application Information

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IPC IPC(8): H04N17/00H04N7/24
CPCH04N7/26228H04N19/00442H04N19/00236H04N7/26196H04N19/002H04N7/50H04N19/00781H04N19/34H04N19/154H04N19/164H04N19/61
Inventor 马华东杨震张鹏
Owner HUAWEI TECH CO LTD
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