Data processing apparatus

Details Data processing apparatus Data processing apparatus

1995-10-27

1999-08-31

Williams, Howard L.

Coded data generation or conversion

Digital code to digital code converters

341106, 341 65, H04N 500

Patent

active

059459301

ABSTRACT:
A data processing apparatus has a decoder for decoding coded data subjected to first entropy coding into a DCT (discrete cosine transform) coefficient in discrete cosine transform coding, and an encoder for conducting second entropy coding on the DCT coefficient obtained by the decoder.

REFERENCES:
patent: 4514753 (1985-04-01), Southworth et al.
patent: 5073820 (1991-12-01), Nakagawa et al.
patent: 5245427 (1993-09-01), Kunihiro
patent: 5278871 (1994-01-01), Rasky et al.
patent: 5430556 (1995-07-01), Ito
patent: 5481364 (1996-01-01), Ito
patent: 5521717 (1996-05-01), Maeda

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