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Performance evaluation of MPEG-2 for HDTV

Daniel Lauzon, André Vincent, Limin Wang

Open publisher page 2 citations

Abstract

In this paper, we examine the subjective and the objective performance of MPEG-2 for HDTV. Tests were conducted on seven HDTV sequences selected to cover a wide range of conditions in terms of scene content, complexity and motion speed and direction. The selected material was digitized in 4:2:2 format with HDTV resolution and coded using MPEG-2 Man Profile/High Level syntax. Formal subjective assessment was performed by non-expert viewers on the sequences coded at a bit rate of 18 Mbits/s. Since MPEG-2 allows a great flexibility at the encoding end, we also examined the impact of various MPEG-2 encoding parameters on the quality of the reconstructed HDTV video sequences. The parameters include bit rate, the structure of picture organization, as well as temporal processing.

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What this paper is about

In this paper, we examine the subjective and the objective performance of MPEG-2 for HDTV. Tests were conducted on seven HDTV sequences selected to cover a wide range of conditions in terms of scene content, complexity and motion speed and direction. The selected material was digitized in 4:2:2 format with HDTV resolution and coded using MPEG-2 Man Profile/High Level syntax. Formal subjective assessment was performed by non-expert viewers on the sequences coded at a bit rate of 18 Mbits/s. Since MPEG-2 allows a great flexibility at the encoding end, we also examined the impact of various MPEG-2 encoding parameters on the quality of the reconstructed HDTV video sequences. The parameters include bit rate, the structure of picture organization, as well as temporal processing.

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Available abstract

In this paper, we examine the subjective and the objective performance of MPEG-2 for HDTV. Tests were conducted on seven HDTV sequences selected to cover a wide range of conditions in terms of scene content, complexity and motion speed and direction. The selected material was digitized in 4:2:2 format with HDTV resolution and coded using MPEG-2 Man Profile/High Level syntax. Formal subjective assessment was performed by non-expert viewers on the sequences coded at a bit rate of 18 Mbits/s. Since MPEG-2 allows a great flexibility at the encoding end, we also examined the impact of various MPEG-2 encoding parameters on the quality of the reconstructed HDTV video sequences. The parameters include bit rate, the structure of picture organization, as well as temporal processing.

Key concepts: High-definition television, Computer science, MPEG-2, Encoding (memory), MPEG-4, Computer graphics (images), Flexibility (engineering), Data compression

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