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:
Nov. 12, 2019
Filed:
Jun. 05, 2009
Yuxin Liu, Cupertino, CA (US);
Hsi-jung Wu, San Jose, CA (US);
Xiaojin Shi, Fremont, CA (US);
Chris Yoochang Chung, Sunnyvale, CA (US);
Yuxin Liu, Cupertino, CA (US);
Hsi-Jung Wu, San Jose, CA (US);
Xiaojin Shi, Fremont, CA (US);
Chris Yoochang Chung, Sunnyvale, CA (US);
APPLE INC., Cupertino, CA (US);
Abstract
A video decoder system includes a video decoding engine, noise database, artifact estimator and post-processing unit. The video coder may generate recovered video from a data stream of coded video data, which may have visually-perceptible artifacts introduced as a byproduct of compression. The noise database may store a plurality of previously developed noise patches. The artifact estimator may estimate the location of coding artifacts present in the recovered video and select noise patches from the database to mask the artifacts and the post-processing unit may integrate the selected noise patches into the recovered video. In this manner, the video decoder may generate post-processed noise which may mask artifacts that otherwise would be generated by a video coding process.