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:
May. 10, 2022
Filed:
Aug. 04, 2015
Qualcomm Incorporated, San Diego, CA (US);
Wei Pu, San Diego, CA (US);
Feng Zou, San Diego, CA (US);
Marta Karczewicz, San Diego, CA (US);
Rajan Laxman Joshi, San Diego, CA (US);
Joel Sole Rojals, La Jolla, CA (US);
Vadim Seregin, San Diego, CA (US);
QUALCOMM Incorporated, San Diego, CA (US);
Abstract
Methods incorporating extensions to copy-above mode for palette mode coding are disclosed. In one aspect, the method includes coding a current pixel of a current block of video data in copy-previous mode via coding a previous line index. The coding of the current pixel in copy-previous mode further including identifying a number of candidate values for the previous line index, identifying a number of escape pixels in a column of pixels above the current pixel in the current block, and reducing a number of candidate values of the previous line index by the number of identified escape pixels.