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Summary: PERFORMANCE COMPARISON OF THE EMERGING H.264 VIDEO CODING STANDARD
WITH THE EXISTING STANDARDS
Nejat Kamaci, Yucel Altunbasak
Center for Signal and Image Processing
Georgia Institute of Technology, Atlanta, GA, USA
kamaci,yucel@ece.gatech.edu
ABSTRACT
The emerging ITU-T H.264 video coding standard has
been developed to achieve significant improvements over
the existing standards in the compression performance. Al-
though the basic coding framework of the standard is similar
to that of the existing standards, H.264 introduces many new
features. The standard is close to completion, and prelim-
inary tests were reported to give satisfactory results, how-
ever the developing standard requires further tests for con-
formance. In this paper, we provide an independent analysis
of the coding performance improvement of H.264 over vari-
ous other existing standards. Our experiments demonstrated
that the future H.264 standard can achieve 50% coding gain
over MPEG-2, 47% coding gain over H.263 baseline, and
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