Image processing apparatus

Details Image processing apparatus Image processing apparatus

Filed on

1994-12-27

Date issued

1998-08-04

Examiner

Au, Amelia

Patent Class

Television

SubClass

Bandwidth reduction system

SubSubClass

Data rate reduction

Other Related Categories

382261, H04N 730

Type

Patent

Status

active

Patent number

057901953

Description

ABSTRACT:
The invention provides an image processing apparatus comprising: an activity detecting unit for detecting an activity of input image data, a processing unit for space filter processing the input image data by controlling filter coefficients in accordance with the activity detected by the activity detecting unit, and an encoding unit for encoding the input image data processed by the processing unit. An image processing apparatus comprising, an activity detecting unit for detecting an activity of input image data, and a quantizing unit for quantizing the input image data by controlling a quantization step in accordance with the activity detected by the activity detecting unit is also provided.

REFERENCES:
patent: 5089889 (1992-02-01), Sugiyama
patent: 5267037 (1993-11-01), Sugiyama
patent: 5283656 (1994-02-01), Sugahara
patent: 5285279 (1994-02-01), Sakamoto et al.
patent: 5367335 (1994-11-01), Murakami et al.
patent: 5579051 (1996-11-01), Murakami et al.

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