Method and apparatus for scaling and blending an image to be displayed
US5764238A · kind A · utility
109Cited by
4References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 10, 1993 |
| Grant date | Jun 9, 1998 |
| Priority date | — |
| Expiry date | Sep 10, 2013 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T2200/28
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
The present invention relates to an image scaler comprised of apparatus for receiving coefficients a and b and image display values of adjacent pixels P and Q respective of an image, apparatus for repeatedly operating on the coefficients and values for successive pixels according to the transform ##EQU1## where SUM is the sum of the coefficients, PA1 R is either zero or the accumulated SUM of an immediately preceding operation, PA1 A.sub.cc is an accumulated result signal, and apparatus for providing a first result signal as an output coefficient word for controlling the display of each of adjacent pixels.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.