Efficient spatial resolution reduction transcoding for H.264/AVC

In this paper, we present a spatial resolution reduction transcoding architecture for H.264/AVC, which extends open-loop transcoding with a low-complexity compensation technique in the reduced-resolution domain. The proposed architecture removes visual artifacts from the transcoded sequence, while keeping complexity significantly lower than more traditional cascaded decoder-encoder architectures. The refinement step of the proposed architecture can be used to further improve rate-distortion performance, at the cost of additional complexity. In this way, a dynamic-complexity transcoder is rendered possible.

• Type: Conference
• Year: 2008
• Where: ICIP
• Authors: Jan De Cock, Stijn Notebaert, Kenneth Vermeirsch, Peter Lambert, Rik Van de Walle
• Keywords: ICIP 2008, Image Processing, Open-loop Transcoding, Reduction Transcoding Architecture, Transcoding