Motion-compensated techniques for enhancement of low-quality compressed videos

Shao, Ling, Kirenko, Ihor, Leitao, Andre and Mydlowski, Piotr (2009) Motion-compensated techniques for enhancement of low-quality compressed videos. In: ICASSP 2009 - IEEE International Conference on Acoustics, Speech and Signal Processing, 19th - 24th April 2009, Taipei, Taiwan.

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Algorithms for enhancement of low quality compressed videos are described and evaluated in this paper. Cascaded and combined spatio-temporal filters using hierarchical motion estimation and occlusion area detection are investigated for removal of severe coding artifacts and temporal flickering. Both objective and subjective evaluations prove that temporal filtering can significantly improve the video quality of low bit rate video sequences. The proposed methods could therefore be a differentiating feature for future IPTV design.

Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: Adaptive filters, motion-compensated filtering, compression artifacts removal
Subjects: G400 Computer Science
Department: Faculties > Engineering and Environment > Computer and Information Sciences
Depositing User: Paul Burns
Date Deposited: 22 Jun 2015 13:53
Last Modified: 13 Oct 2019 00:25

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