A fully scalable video coder with inter-scale wavelet prediction and morphological coding

Nicola Adami; Michele Brescianini; Marco Dalai; Riccardo Leonardi; Alberto Signoroni

doi:10.1117/12.631429

24 June 2005 A fully scalable video coder with inter-scale wavelet prediction and morphological coding

Nicola Adami, Michele Brescianini, Marco Dalai, Riccardo Leonardi, Alberto Signoroni

Proceedings Volume 5960, Visual Communications and Image Processing 2005; 59601M (2005) https://doi.org/10.1117/12.631429
Event: Visual Communications and Image Processing 2005, 2005, Beijing, China

Abstract

In this paper a new fully scalable - wavelet based - video coding architecture is proposed, where motion compensated temporal filtered subbands of spatially scaled versions of a video sequence can be used as base layer for inter-scale predictions. These predictions take place between data at the same resolution level without the need of interpolation. The prediction residuals are further transformed by spatial wavelet decompositions. The resulting multi-scale spatiotemporal wavelet subbands are coded thanks to an embedded morphological dilation technique and context based arithmetic coding. Dyadic spatio-temporal scalability and progressive SNR scalability are achieved. Multiple adaptation decoding can be easily implemented without the need of knowing a predefined set of operating points. The proposed coding system allows to compensate some of the typical drawbacks of current wavelet based scalable video coding architectures and shows interesting visual results even when compared with the single operating point video coding standard AVC/H.264.

Citation Download Citation

Nicola Adami, Michele Brescianini, Marco Dalai, Riccardo Leonardi, and Alberto Signoroni "A fully scalable video coder with inter-scale wavelet prediction and morphological coding", Proc. SPIE 5960, Visual Communications and Image Processing 2005, 59601M (24 June 2005); https://doi.org/10.1117/12.631429

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