Error correction coding method and apparatus for digital image i

Details Error correction coding method and apparatus for digital image i Error correction coding method and apparatus for digital image i

1991-04-29

1994-05-03

Atkinson, Charles E.

Excavating

371 21, 371 381, 348469, H03M 1300, G06F 1110

Patent

active

053094506

ABSTRACT:
An error correction coding method and apparatus which can correct errors generated during the transmission or the storage, or the receiving or the reproducing of a digital image. The error correction coding method according to the present invention comprises the steps of: dividing one image into blocks to prevent the deterioration of the quality of a screen by preventing the generation of burst errors in a header during the transmitting or storing of the image information in the form of digital signals; compressing and coding each divided block into a block code having a header and video information; separating and arranging the compressed and coded header and video information so that successive headers do not overlap; and adding parity data into the separated and arranged header and video information. The apparatus for carrying out the error correction coding method of the present invention comprises an image divider, a data compressor, a parity data insert portion, and a data interleave portion. The data interleave portion comprises a demultiplexer, first and second memories, first and second counters, and first and second multiplexers.

REFERENCES:
patent: Re33462 (1990-11-01), Suzuki
patent: 4597020 (1986-06-01), Wilkinson
patent: 4661956 (1987-04-01), Izumita
patent: 4688225 (1987-08-01), Fukami
patent: 4764927 (1988-08-01), Izumita
patent: 4789902 (1988-12-01), Shimura
patent: 4802170 (1989-01-01), Trottier
patent: 4852102 (1989-07-01), Yamaguchi
patent: 5159452 (1992-10-01), Kinoshita

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