Image processing apparatus
US5790195A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Dec 27, 1994 |
| Grant date | Aug 4, 1998 |
| Priority date | — |
| Expiry date | Dec 27, 2014 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N19/80
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.