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Region-Based Predictive Decoding of Video

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2 Author(s)
Yue-Meng Chen ; Sch. of Eng. Sci., Simon Fraser Univ., Burnaby, BC, Canada ; Bajic, I.V.

This letter presents a region-based predictive decoding technique for end-to-end delay reduction in video communications. Video frames are predicted from past video data and displayed before they arrive at the decoder, thereby reducing the end-to-end delay. This problem is similar to whole-frame concealment, so we compare our method to a state-of-the-art whole-frame concealment algorithm. As demonstrated in the letter, our method yields better visual results with peak signal-to-noise ratio gains up to 2.5 dB on sequences with complex and high-intensity motion. These gains are mainly due to motion segmentation and region-based motion prediction.

Published in:

Circuits and Systems for Video Technology, IEEE Transactions on  (Volume:20 ,  Issue: 3 )