IIIH
US006956617B2
(12) United States Patent ao) Patent No.: us 6,956,617 B2
Demmer (45) Date of Patent: Oct. 18,2005
(54) IMAGE SCALING AND SAMPLE RATE
CONVERSION BY INTERPOLATION WITH
NON-LINEAR POSITIONING VECTOR
(75) Inventor: Walter Heinrich Demmer, Nuremberg
(DE)
(73) Assignee: Texas Instruments Incorporated,
Dallas, TX (US)
( * ) Notice: Subject to any disclaimer, the term of this patent is extended or adjusted under 35 U.S.C. 154(b) by 390 days.
(21) Appl. No.: 10/004,699
(22) Filed: Dec. 4, 2001
(65) Prior Publication Data
US 2002/0106026 Al Aug. 8, 2002
Related U.S. Application Data
(60) Provisional application No. 60/249,557, filed on Nov. 17, 2000.
(51) Int. C I. II04N 7/01
(52) U.S. CI 348/441; 348/581
(58) Field of Search 348/441, 571,
348/572, 581, 458; 375/232; 382/293, 298;
341/51, 61, 78, 106
