Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/271
Title: Low-complexity and high quality frame-skipping transcoder
Authors: Fung, Kai-tat
Chan, Yui-lam
Siu, Wan-chi
Subjects: Video transcoding
Compressed video bitstream
DCT domain
Frame-skipping transcoder
Issue Date: 2001
Publisher: IEEE
Source: 2001 IEEE International Symposium on Circuits and Systems : ISCAS 2001 : conference proceedings : 6-9 May 2001, Sydney Convention and Exhibition Centre, Darling Harbour, Sydney, Australia, p. V29-V32
Abstract: Transcoding is a process of converting a previously compressed video bitstream into a lower bit-rate bitstream. When some incoming frames are dropped for the frame-rate conversion in transcoding, the newly quantized DCT coefficients of prediction error need to be re-computed. In this paper, we propose a new architecture for low-complexity frame-rate reduction. The proposed algorithm is mainly performed on the discrete cosine transform (DCT) domain to achieve low complexity as well as to reduce the re-encoding error. Experimental results show that, as compared to the conventional transcoder, the new frame-skipping transcoder is more robust, produces smaller requantization errors, and has simple computational complexity.
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Type: Conference Paper
URI: http://hdl.handle.net/10397/271
ISBN: 0780366859
Appears in Collections:EIE Conference Papers & Presentations

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