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3-D Object-Based Scalable Wavelet Video Coding With Boundary Effect Suppression

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3 Author(s)
Liu, Yu ; Dept. of Electron. Eng., Chinese Univ. of Hong Kong, Shatin ; Feng Wu ; King Ngi Ngan

This paper extends the lifting-based motion threading (MTh) technique from the frame-based coding to the object-based coding, attracted by the unique advantages of the object-based coding that do not exist in other coding schemes. The boundary effects, which exist in spatial and temporal wavelet transforms due to the manner of object-based coding, are well suppressed by 3-D shape-adaptive discrete wavelet transform (3D SA-DWT) via the lifting implementation in a unified framework. Based on the proposed object-based MTh technique, a 3-D object-based scalable wavelet video coder is developed. Experimental results show that the proposed coder achieves good performance compared with the existing object-based coders and provides the scalability functionality at the same time

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Circuits and Systems for Video Technology, IEEE Transactions on  (Volume:17 ,  Issue: 5 )