Adaptive perceptual quantization for video compression

Atul Puri; R. Aravind

doi:10.1117/12.50283

1 November 1991 Adaptive perceptual quantization for video compression

Atul Puri, R. Aravind

Proceedings Volume 1605, Visual Communications and Image Processing '91: Visual Communication; (1991) https://doi.org/10.1117/12.50283
Event: Visual Communications, '91, 1991, Boston, MA, United States

Abstract

International standards bodies snch as the ISO and CCITT have established various expert groups to standardize compressed digital representations of color image and video signals for different applications. Here we are concerned mainly with the work of the Motion Picture Experts Group (MPEG), whose charter is to specify a generic coded representation of video and audio. The MPEG work has been divided into three distinct phases, the first aimed at compressing low-resolution (1/4 CCIR-601) pictures at data-rates in 1-4 Mbits/sec, the second at compressing full CCIR-6O1 resolution pictures at data-rates in 4-10 Mbits/sec, and the third at compressing HDTV pictures at appropriately higher data-rates.

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Atul Puri and R. Aravind "Adaptive perceptual quantization for video compression", Proc. SPIE 1605, Visual Communications and Image Processing '91: Visual Communication, (1 November 1991); https://doi.org/10.1117/12.50283

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