G - Physics – 06 – T
Patent
G - Physics
06
T
350/33
G06T 9/00 (2006.01) H04N 7/28 (2006.01) H04N 7/32 (2006.01) H04N 7/36 (2006.01) H04N 7/50 (2006.01)
Patent
CA 1280509
ABSTRACT OF THE DISCLOSURE An image encoding/transmitting apparatus and method implemented by applying the vector quantization technology utilizing the differential pulse code modulation system in which an estimated error signal is compared with a threshold value to generate a change or movement detection signal and a differential signal, which are then quantized so as to be transmitted and received wherein the polarity of the differential signal is judged by a polarity judgment circuit, a polarity is assigned to the threshold value based on the judgment value by a polarity adding circuit, the differential signal is corrected depending on the threshold value with the polarity, and the corrected differential signal is quantized so as to be transmitted and received.
537929
Kirby Eades Gale Baker
Mitsubishi Denki Kabushiki Kaisha
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