A no-reference bitstream-based perceptual model for video quality estimation of videos affected by coding artifacts and packet losses

K. Pandremmenou; M. Shahid; L. P. Kondi; B. Lövström

doi:10.1117/12.2077709

17 March 2015 A no-reference bitstream-based perceptual model for video quality estimation of videos affected by coding artifacts and packet losses

K. Pandremmenou, M. Shahid, L. P. Kondi, B. Lövström

Author Affiliations +

Proceedings Volume 9394, Human Vision and Electronic Imaging XX; 93941F (2015) https://doi.org/10.1117/12.2077709
Event: SPIE/IS&T Electronic Imaging, 2015, San Francisco, California, United States

Abstract

In this work, we propose a No-Reference (NR) bitstream-based model for predicting the quality of H.264/AVC video sequences, affected by both compression artifacts and transmission impairments. The proposed model is based on a feature extraction procedure, where a large number of features are calculated from the packet-loss impaired bitstream. Many of the features are firstly proposed in this work, and the specific set of the features as a whole is applied for the first time for making NR video quality predictions. All feature observations are taken as input to the Least Absolute Shrinkage and Selection Operator (LASSO) regression method. LASSO indicates the most important features, and using only them, it is possible to estimate the Mean Opinion Score (MOS) with high accuracy. Indicatively, we point out that only 13 features are able to produce a Pearson Correlation Coefficient of 0.92 with the MOS. Interestingly, the performance statistics we computed in order to assess our method for predicting the Structural Similarity Index and the Video Quality Metric are equally good. Thus, the obtained experimental results verified the suitability of the features selected by LASSO as well as the ability of LASSO in making accurate predictions through sparse modeling.

Citation Download Citation

K. Pandremmenou, M. Shahid, L. P. Kondi, and B. Lövström "A no-reference bitstream-based perceptual model for video quality estimation of videos affected by coding artifacts and packet losses", Proc. SPIE 9394, Human Vision and Electronic Imaging XX, 93941F (17 March 2015); https://doi.org/10.1117/12.2077709

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