A video and audio joint quality assessment method and device
A technology for video quality and quality evaluation, applied in television, selective content distribution, electrical components, etc., can solve problems such as not yet collected data, not found instructions or reports, etc.
Active Publication Date: 2021-06-04
SHANGHAI JIAOTONG UNIV
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[0004]
At present, there is no description or report of the similar technology of the present invention, and no similar data at home and abroad have been collected yet.
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[0065] The following is a detailed description of the embodiments of the present invention: this embodiment is implemented on the premise of the technical solution of the present invention, and provides detailed implementation methods and specific operation processes. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention, and these all belong to the protection scope of the present invention.
[0066] A video and audio joint quality evaluation method provided by an embodiment of the present invention, such as figure 1 As shown, its specific implementation steps are as follows:
[0067] The first step is to use the video quality evaluation model to predict the video quality
[0068] Specifically, it is necessary to use a video quality evaluation model to predict video quality, and any one or any number of existing video quality evaluation methods can be selected as the video q...
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The present invention provides a video and audio joint quality evaluation method, comprising: using the video quality evaluation model to predict the video quality, and obtaining the video prediction quality score Q v and video prediction quality feature f v ; Use the audio quality evaluation model to predict the audio quality, and get the audio prediction quality score Q a and the audio prediction quality feature f a ; For video prediction quality score Q v and audio prediction quality score Q a Perform normalization processing respectively to obtain normalized video prediction quality score and audio prediction quality score fusion normalized video prediction quality score and audio prediction quality score or, fusion video prediction quality feature f v and the audio prediction quality feature f a , and then get the predicted video and audio joint quality score Q av or feature f av . At the same time, a video and audio joint quality evaluation device is provided. The overall experience quality of audio and video can be effectively evaluated by using the method and device provided by the invention.
Description
technical field [0001] The present invention relates to the technical field of multimedia quality evaluation, in particular to a video and audio joint quality evaluation method and device. Background technique [0002] In recent years, multimedia quality assessment has attracted the attention of many researchers in the fields of audio processing and video processing. In the past few decades, researchers have proposed a large number of objective quality assessment algorithms. Lin and Kuo gave in "W.Lin andC.-C.J.Kuo, "Perceptual visual quality metrics: A survey," Journal of Visual Communication and Image Representation, vol.22, no.4, pp.297–312, 2011. A review of visual quality evaluation, Wang and Bovik in "Z.Wang and Alan C.Bovik, "Mean squared error: Love it or leave it? A new look at signal fidelity measures," IEEE Signal Processing Magazine, vol.26, no.1, pp.98-117, 2009.", "Z.Wang and Alan C.Bovik, "Reduced-and no-reference image quality assessment," IEEE Signal Proce...
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IPC IPC(8): H04N17/00H04N21/234H04N21/233H04N21/44H04N21/439H04N21/475
CPCH04N17/00H04N21/233H04N21/23418H04N21/4394H04N21/44008H04N21/4756
Inventor 翟广涛闵雄阔杨小康
Owner SHANGHAI JIAOTONG UNIV