Encoding apparatus

Details Encoding apparatus Encoding apparatus

1990-05-09

1991-08-27

Peng, John K.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358136, 382 56, H04N 712

Patent

active

050438093

ABSTRACT:
The present invention relates to an encoding apparatus for digitizing and encoding an input image signal, the input image signal being sequentially sampled to sequentially form sample signals at respective sample points. The encoding data which respectively correspond to the sample signals at respective sample points are formed, and the plurality of resultant encoding data are sequentially output on a group unit basis of k (k being an integer equal to or greater than 2) encoding data in accordance with the order different from the forming order of the encoding data. In accordance with a combination of the k encoding data which have been output, the k encoding data are converted into the data train having less DC and low frequency components and output, so that the image signal can be highly efficiently encoded.

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patent: 4733298 (1988-03-01), Koga

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