公开(公告)号：CA2102935A1

公开(公告)日：1995-03-11

申请号：CA2102935

申请日：1993-11-12

Applicant: ATI TECHNOLOGIES INC

Inventor： LUM SANFORD S ,  BENNETT DWAYNE R

IPC: G06T3/00 ,  G06T17/00 ,  G06F15/70

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 where SUM is the sum of the coefficients, R is either zero or the accumulated SUM of an immediately preceding operation, Acc 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.

公开(公告)号：CA2113600A1

公开(公告)日：1995-03-31

申请号：CA2113600

申请日：1994-01-17

Applicant: ATI TECHNOLOGIES INC

Inventor： LUM SANFORD S ,  CHEN KEPING ,  WONG SAMUEL L C ,  BENNETT DWAYNE R ,  ALFORD MICHAEL A

IPC: G09G5/36 ,  G09G5/39 ,  G06F15/66

Abstract: The present invention relates to a video display processor comprised apparatus for receiving digital input signal components of a signal to be displayed, apparatus for converting the components to a desired format, apparatus for scaling and blending the signals in the desired format, apparatus for outputting the scaled and blended signals for display or further processing, and an arbiter and local timing apparatus for controlling the apparatus substantially independently of a host CPU.