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Bitefficient Coding Methods for Low Bitrate MPEG-1/MPEG-2 Encoders
Linköping University, Department of Electrical Engineering.
2002 (English)Independent thesis Basic level (professional degree)Student thesis
Abstract [en]

The packing and coding of digital video is a part of science where much innovation has taken place during the last few decades. The MPEG standards of video encoding are some of the most well-known and used video coding standards today. Since MPEG defines exact requirements for the decoder, but not the encoder, encoders can be made in many different ways and levels of complexity, as long as they produce legal MPEG streams that can be viewed on any MPEG-conformant decoder. This thesis will examine the possible performance of MPEG, in particular MPEG-1/MPEG-2 full TV resolution (720*576), for coding video at bitrates significantly lower than the 2-15 Mb/s MPEG-2 originally was designed for. For this purpose, encoding methods previously proposed by various researchers are presented. Furthermore a few new algorithms, which can be used for MPEG coding in general, but was constructed with a low-bitrate encoder in mind, were developed. Finally objective video quality benchmarks were conducted and the results evaluated.

Place, publisher, year, edition, pages
Institutionen för systemteknik , 2002. , 70 p.
LiTH-ISY-Ex, 3191
Keyword [en]
Technology, MPEG-1, MPEG-2, low bitrates, motion estimation, rate control, GOP structure
Keyword [sv]
National Category
Engineering and Technology
URN: urn:nbn:se:liu:diva-744OAI: diva2:22437
Available from: 2002-06-10 Created: 2002-06-10

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