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:
Apr. 02, 2019
Filed:
Oct. 07, 2016
Via Alliance Semiconductor Co., Ltd., Shanghai, CN;
Heng Que, Shanghai, CN;
Deming Gu, Shanghai, CN;
Zhou Hong, Cupertino, CA (US);
Yuanfeng Wang, Shanghai, CN;
VIA ALLIANCE SEMICONDUCTOR CO., LTD., Shanghai, CN;
Abstract
An image compression method based on JPEG-LS is presented. In the method, the M×N pixels in the source image are divided into k groups. M, N, and k are all integers larger than one. Each group corresponds to a plurality of pixels among the M×N pixels. The decorrelation procedure and the context modeling procedure are performed for each of the plurality of pixels in the igroup of the k groups. The compensation look-up table is not refreshed until all pixels in the igroup are performed with the decorrelation procedure and the context modeling procedure.