Subband coding of video employing efficient recursive filter banks and advanced motion compensation

John Hakon Husoy; Hakon Gronning; Tor A. Ramstad

doi:10.1117/12.24241

1 September 1990 Subband coding of video employing efficient recursive filter banks and advanced motion compensation

John Hakon Husoy, Hakon Gronning, Tor A. Ramstad

Author Affiliations +

Proceedings Volume 1360, Visual Communications and Image Processing '90: Fifth in a Series; (1990) https://doi.org/10.1117/12.24241
Event: Visual Communications and Image Processing '90, 1990, Lausanne, Switzerland

Abstract

Filter banks based on recursive filters have recently been applied with success in subband coding of still images [1, 2]. Their main feature, low computational complexity, make these filter banks extremely attractive for video coding applications. In. this paper we demonstrate the suitability of these filter banks in low bit rate image sequence coders operating in the 64 —200 Kbps range. In particular we compare the performance of two types of recursive filter banks with that of a more traditional one based on quadrature mirror FIR filters (QMF). It is shown that the performance of our hR based systems is comparable to that of the more complex FIR based systems. Also, we show that the encoding strategy of CCITT's reference model no. 7 can be adapted successfully to fit into our subband coding scheme. Finally we discuss alternative approaches to motion estimation in hybrid image sequence coders and show preliminary results in the context our video subband coder.

Citation Download Citation

John Hakon Husoy, Hakon Gronning, and Tor A. Ramstad "Subband coding of video employing efficient recursive filter banks and advanced motion compensation", Proc. SPIE 1360, Visual Communications and Image Processing '90: Fifth in a Series, (1 September 1990); https://doi.org/10.1117/12.24241

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