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Predictive vector quantization with intrablock prediction support region

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1 Author(s)
A. B. R. Klautau ; Dept. of Electr. & Comput. Eng., California Univ., San Diego, La Jolla, CA

A predictive vector quantization (PVQ) structure is proposed, where the encoder uses a predictor based on an intrablock support region, followed by a modified vector quantizer stage. Simulation results show that a modification on a previously published PVQ system led to an improvement of 1 dB in PSNR for Lenna

Published in:

IEEE Transactions on Image Processing  (Volume:8 ,  Issue: 2 )