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Title: Low-complexity and high quality frame-skipping transcoder
Authors: Fung, KT
Chan, YL 
Siu, WC 
Keywords: 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 How to cite?
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.
ISBN: 0-7803-6685-9
Rights: © 2001 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
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