Multi-coding apparatus

Details Multi-coding apparatus Multi-coding apparatus

1997-11-10

1999-09-21

Lee, Thomas D.

Image analysis

Image compression or coding

Adaptive coding

382234, 382232, 348388, G06K 972, H04N 1106

Patent

active

059564261

ABSTRACT:
It is intended to determine widths of quantization of respective encoders to prevent deterioration in quality of picture in its entire aspect. A multi-coding apparatus comprises a plurality of encoders 1a to 1n for coding input data at variable rates, a bit allocator 4 supplied with estimated amounts of codes output from the respective encoders 1a to 1n, and a maximum transmission rate controller 3 for supplying a whole allocated amount of bits to the bit allocator 4 on the basis of the amounts of codes output from the respective encoders 1a to 1n.

REFERENCES:
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patent: 4455649 (1984-06-01), Esteban et al.
patent: 5115309 (1992-05-01), Hang
patent: 5361096 (1994-11-01), Ohki et al.
patent: 5416521 (1995-05-01), Chujoh et al.
patent: 5506844 (1996-04-01), Rao
"Digital Image Processing", Rafael C. Gonzalez et al. pp. 238-239, 1977.

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