Method and device for assessing multimedia quality

Abstract

The present invention discloses a method and an apparatus for evaluating multimedia quality. The method includes: obtaining reference quality of a video and final quality of the video of a multimedia sequence, and reference quality of an audio and final quality of the audio of the multimedia sequence; determining reference quality of the multimedia sequence according to the reference quality of the video and the reference quality of the audio; determining a distortion value of the multimedia sequence according to the reference quality of the video, the final quality of the video, the reference quality of the audio, and the final quality of the audio; and determining multimedia quality of the multimedia sequence according to the reference quality of the multimedia sequence and the distortion value of the multimedia sequence. The method and apparatus for evaluating multimedia quality according to embodiments of the present invention can directly reflect distortion of a multimedia sequence, accord with a subjective feeling of a person, and therefore can accurately and effectively evaluate the multimedia quality.

Description

technical field [0001] The present invention relates to the field of multimedia, and more particularly, to methods and devices for evaluating multimedia quality. Background technique [0002] With the development of network technology and the arrival of a new era of multimedia, video-on-demand, Internet TV, videophone, etc. have become the main services of broadband networks, and these services will also become the core of the third generation (3G, the 3rd Generation) wireless network. Main business. Various multimedia processing and communication technologies emerge in an endless stream. Due to the large amount of multimedia business data, high real-time requirements, and strong user sensitivity, multimedia quality assessment is of great significance to multimedia communication equipment manufacturers and operators. If equipment manufacturers can provide convincing multimedia quality evaluation results of the system, it will greatly promote the sales of their products; for...

AI Technical Summary

Problems solved by technology

[0005] When there is no packet loss in the network, both audio and video have a relatively stable benchmark quality, and people’s perception of multimedia quality is directly combined with the benchmark quality of audio and video; however, when there is packet loss, people will feel the original stable quality There is a sudden quality drop in multimedia quality, that is, the distortion of the multimedia sequence due to packet loss, instead of doing separate evaluations of video and audio in case of packet loss and then jointly

Existing multimedia quality assessment methods cannot directly reflect the impact of packet loss on multimedia sequences and the distortion of multimedia sequences, which do not conform to human subjective feelings

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