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:
Mar. 21, 2006
Filed:
Nov. 01, 2000
Edward L. Schwartz, Sunnyvale, CA (US);
Ahmad Zandi, Morgan Hill, CA (US);
Alexander Keith, Santa Clara, CA (US);
Michael J. Gormish, Redwood City, CA (US);
Martin Boliek, San Francisco, CA (US);
Edward L. Schwartz, Sunnyvale, CA (US);
Ahmad Zandi, Morgan Hill, CA (US);
Alexander Keith, Santa Clara, CA (US);
Michael J. Gormish, Redwood City, CA (US);
Martin Boliek, San Francisco, CA (US);
Ricoh Co., Ltd., Tokyo, JP;
Abstract
A method and apparatus for performing compression and/or decompression is described. In one embodiment, the present invention comprises a system having a buffer, a wavelet transform unit, and a coder. The wavelet transform unit has an input coupled to the buffer to perform a wavelet transform on pixels stored therein and to generate coefficients at an output. The coder is coupled to the wavelet transform unit to code the transformed pixels received from the buffer.