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Bandwidth Reduction of Video Signals via Shift Vector Transmission

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2 Author(s)
Giorda, F. ; TV Study Center, Italian National Research Council, Torino, Italy ; Racciu, A.

An experimental shifting technique applied to real television images in order to reduce their redundancy is described. The technique consists of dividing the images into zones and then transmitting vectors that connect correlated zones in successive frames. A threshold which is a function of frame-to-frame zone velocity and inherent points luminance is introduced to determine the shift vector. Image reconstructions are obtained with an information rate equal to 0.7 bit/pel.

Published in:

Communications, IEEE Transactions on  (Volume:23 ,  Issue: 9 )