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- aggregation classification "P1".
- aggregation creator person.
- aggregation creator person.
- aggregation creator person.
- aggregation creator person.
- aggregation creator person.
- aggregation date "2009".
- aggregation hasFormat 835281.bibtex.
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- aggregation isPartOf urn:isbn:9781424445936.
- aggregation language "eng".
- aggregation publisher "IEEE".
- aggregation subject "Technology and Engineering".
- aggregation title "Leveraging the quantization offset for improved requantization transcoding of H.264/AVC video".
- aggregation abstract "Requantization transcoding is a method for reducing the bit rate of compressed video bitstreams. Most research on re-quantization is concerned with the architectural design, the selection of a suitable quantizer, or the reduction of requantization errors. In this paper, we propose to incorporate a new dimension in requantization transcoding: the quantization offset. We compare two requantization methods: increasing the quantization step size and decreasing the quantization offset. Furthermore, we propose a novel heuristic for requantization transcoding based on a theoretical rate-distortion analysis. The experimental results for H.264/AVC video show that requantization is improved in rate-distortion sense with gains up to 1 dB for open-loop requantization of B pictures compared to requantization with fixed quantization offset.".
- aggregation authorList BK237144.
- aggregation endPage "32".
- aggregation startPage "29".
- aggregation isDescribedBy 835281.
- aggregation similarTo LU-835281.