Method and apparatus for compressing image data

Details Method and apparatus for compressing image data Method and apparatus for compressing image data

2011-06-28

2011-06-28

Czekaj, David (Department: 2483)

Pulse or digital communications

Bandwidth reduction or expansion

Television or motion video signal

C375S240220

Reexamination Certificate

active

07970055

ABSTRACT:
There is provided an image data compression apparatus capable of effectively suppressing an image data volume after compression processing. A bit rate value is detected according to the image data volume after the compression processing. According to the bit rate size value detected, a quantization step size value used in the compression processing is modified. According to the quantization step size value, a skip frame number is set and a frame skip of the image data before or after the compression processing is performed according to the number of frame skip frames which has been set.

REFERENCES:
patent: 5745178 (1998-04-01), Hartung et al.
patent: 5969764 (1999-10-01), Sun et al.
patent: 6023296 (2000-02-01), Lee et al.
patent: 7688890 (2010-03-01), Kondo et al.

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