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Digital Video Bandwidth Compression Using Block Truncation Coding

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2 Author(s)
D. Healy ; Dept. of Electr. Eng., Georgia Institute of Technology, Atlanta, GA, USA ; O. Mitchell

A technique for bandwidth compression coding of sequential digitized video imagery is presented. The method uses adaptive one-bit quantization over small blocks of space and time. The system includes global registration and motion detection for optimal hit assignments. A comparsion is made with a conditional replenishment technique using a motion compensated predictor described in the literature. The method presented produces reconstructed video sequences filmed from low altitude aircraft with slight degradation which is acceptable for many remote sensing applications at 0.9 bit/pixel data rate. Robust behavior in the presence of channel noise is demonstrated.

Published in:

IEEE Transactions on Communications  (Volume:29 ,  Issue: 12 )