Image communication system using a hierarchical code...

Details Image communication system using a hierarchical code... Image communication system using a hierarchical code...

2008-07-01

2008-07-01

Louis-Jacques, Jacques (Department: 2112)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Digital data error correction

C714S752000, C714S786000

Reexamination Certificate

active

10924216

ABSTRACT:
A system for efficiently utilizing a transmission capacity without complicated processing a hierarchical code comprised of a plurality of layers having different error correcting capabilities. In a transmitter, an encoding unit encodes an image in accordance with a hierarchical coding scheme to generate a plurality of layer data. An error correcting code addition unit performs error correction coding on each of at least one layer data including the lowermost layer data in accordance with an error correction coding scheme which gives higher error correcting capabilities to a lower layer than a higher layer. A transmission unit transmits each of the layer data and error correcting codes onto a transmission path. A receiver corrects possible errors introduced on the path into the layer data received from the transmitter according to the error correction coding scheme, and decodes layer data received in a quality available for decoding to restore the image.

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Tdoc MBMS-0033 Scalable Multimedia Broadcast and Multicast Service (MBMS), MBMS Workshop, Agenda 5, London, England May 6-7, 2002, Samsung Electronics.

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