Television – Bandwidth reduction system – Data rate reduction
Patent
1994-04-22
1996-01-02
Britton, Howard W.
Television
Bandwidth reduction system
Data rate reduction
348699, 348416, H04N 724, H04N 732
Patent
active
054813107
ABSTRACT:
An image encoding apparatus which enables to improve an efficiency of a motion compensate encoding includes a frame memory unit (12) for storing a preceding encoded and partially decoded image signal, a first and a second motion compensated prediction units (11,14) connected to the frame memory unit (12) for predicting a motion compensation between predetermined image signals and the image signal stored in the frame memory unit (12), and a predicted value selection unit (15) connected to the first and second motion compensated prediction units (11,14) for comparing a first prediction value outputted from the first motion compensated prediction unit (11) with a second prediction value outputted from the second motion compensated prediction unit (14) and for selecting the first prediction value or the second prediction value in accordance with a compared result.
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"An Improvement of Prediction Efficiency Using Multiple Inter-Frame Correlations," pp. 267-270, Proc. in Picture coding Symposium of Japan, 1991 by Hibi et al (no translation available).
"A Study of Reducing Predictor Error for Inter Frame Coding," pp. 257-258. Proc. in Picture coding Symposium of Japan, 1991, by Nagata et al (no translation available).
Britton Howard W.
Le Vu
Sharp Kabushiki Kaisha
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