Using MPEG-7 for shot based reduction of quality and rate fluctuations in H264 AVC

Authors:
Jesus Canovas Serrano;Christos Grecos;Mingyuan Yang
Affiliations:
Loughborough University, Leicestershire, UK;Loughborough University, Leicestershire, UK;Loughborough University, Leicestershire, UK
Venue:
VIIP '07 The Seventh IASTED International Conference on Visualization, Imaging and Image Processing
Year:
2007

Citing 3
Cited 0

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Abstract

We have devised an MPEG-7 based scheme for reducing the bit rate and PSNR fluctuations between shots in the H264 video coding standard. Our scheme, initially determines hard cuts and fades, it then determines adaptive GOPs inside shots and calculates the GOP rate and the initial quantisation step sizes per GOP. It finally applies binary search for achieving the target rates of every initial I frame in GOPs belonging to hard cut intervals and it also enhances the rate shaping for achieving target rates of frames in the fade intervals.