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|Title:||Low-complexity and high quality frame-skipping transcoder|
Compressed video bitstream
|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.|
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|Appears in Collections:||Conference Paper|
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