The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 14, 2006
Filed:
Mar. 28, 2002
Patrice Y. Simard, Bellevue, WA (US);
Henrique S. Malvar, Sammamish, WA (US);
Dinei Afonso Ferreira Florencio, Redmond, WA (US);
David Willard Steinkraus, Santa Fe, NM (US);
Patrice Y. Simard, Bellevue, WA (US);
Henrique S. Malvar, Sammamish, WA (US);
Dinei Afonso Ferreira Florencio, Redmond, WA (US);
David Willard Steinkraus, Santa Fe, NM (US);
Microsoft Corporation, Redmond, WA (US);
Abstract
Systems and methods for performing adaptive filtering are disclosed. The present invention generates probabilities that can be used in an encoder, such as an arithmetic encoder and generates those probabilities in a computationally efficient manner. Probabilities of previously encoded coefficients are employed, effectively, in generating probabilities of the coefficients without regard to directional information. Thus, a large amount of information is adaptively and efficiently used in generating the probabilities. For the coefficients, the probability is computed based at least partly on at least one probability of a previously computed probability of a neighboring coefficient. Then, the coefficients are encoded using those computed probabilities.