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Redundancy reduction applied to coarse-fine encoded video

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2 Author(s)
Richards, G.P. ; Radio Corporation of America, Princeton, N. J. ; Bisignani, W.T.

A new video digital data compression technique, time-buffered coarse-fine (TBCF), is presented along with experimental results. This technique has the ability to produce high-quality video pictures with compression ratios, referenced to a 6-bit pulse code modulation (PCM), from 2-to-1 to greater than 20-to-1 depending on the subject complexity and the element accuracy required, with a 6-to-1 compression typical. This system uses a modified version of the coarse-fine compressor invented and implemented by the authors with additional processing of the data by noise recognition and removal circuitry and run-length coding. The coarse-fine system is briefly discussed followed by a detailed description of the time-buffered coarse-fine system operation. Time-buffered coarse-fine compressed pictures are then presented and analyzed.

Published in:

Proceedings of the IEEE  (Volume:55 ,  Issue: 10 )