17 Mbit/s Algorithm for Secondary Distribution of 4.2.2 Video Signals

Jean Pierre Henot

doi:10.1117/12.970168

1 November 1989 17 Mbit/s Algorithm for Secondary Distribution of 4.2.2 Video Signals

Jean Pierre Henot

Proceedings Volume 1199, Visual Communications and Image Processing IV; (1989) https://doi.org/10.1117/12.970168
Event: 1989 Symposium on Visual Communications, Image Processing, and Intelligent Robotics Systems, 1989, Philadelphia, PA, United States

Abstract

The transmission of digital video signals to the end user, which is known as secondary distribution by CCITT, is one of the key point of Broadband ISDN (B-ISDN). Sufficient picture quality can be obtained at a bitrate of 17 Mbit/s (or even lower) by using a hybrid DCT scheme working on blocks of 8 pels by 8 lines of the same frame (instead of lines of the same field) associated to block matching motion estimation and compensation. The optimization of the block matching algorithm (BMA) and the adaption of the hybrid DCT scheme to blocks designed on a frame basis are presented hereafter.

Citation Download Citation

Jean Pierre Henot "17 Mbit/s Algorithm for Secondary Distribution of 4.2.2 Video Signals", Proc. SPIE 1199, Visual Communications and Image Processing IV, (1 November 1989); https://doi.org/10.1117/12.970168

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