H - Electricity – 03 – M
Patent
H - Electricity
03
M
354/67
H03M 7/00 (2006.01) G06T 9/00 (2006.01) H04N 7/34 (2006.01)
Patent
CA 2016996
Abstract of the Disclosure: In a predictive encoder device supplied with an input image signal divisible into odd and even number line signals first and second predictive encoders (32, 37) individually carry out predictive encoding of the odd and the even number line signals into first and second encoded signals at a comparatively low speed by the use of first and second local decoded signals respectively. The first and the second local decoded signals are supplied to the second and the first productive encoders through delay circuits (42, 43), respectively to predict a current picture element with reference to picture elements located on adjacent lines. Two delay circuits (36, 44) are connected to an output terminal (32c) of the first predictive encoder and to an input terminal (37a) of the second predictive encoder to adjust timings of the first and the second encoded signals. A predictive decoder device also comprises first and second predictive decoders (62, 63) corresponding to the first and the second predictive encoders.
Okajima Masayuki
Shibuya Toru
Corporation Nec
Smart & Biggar
LandOfFree
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