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. 28, 2020
Filed:
Jun. 01, 2018
Apple Inc., Cupertino, CA (US);
Sudeng Hu, San Jose, CA (US);
Dazhong Zhang, Milpitas, CA (US);
Xing Wen, Cupertino, CA (US);
Peikang Song, San Jose, CA (US);
Jae Hoon Kim, San Jose, CA (US);
Hang Yuan, San Jose, CA (US);
Xiaosong Zhou, Campbell, CA (US);
Hsi-Jung Wu, San Jose, CA (US);
Jingteng Xue, Santa Clara, CA (US);
APPLE INC., Cupertino, CA (US);
Abstract
Techniques are disclosed for managing reference frames for gradual coder refresh (GDR) operation. A GDR frame may be partitioned into a plurality of units, at least one of which is coded by instantaneous decoder refresh (IDR) techniques and other(s) of which are coded by other techniques such as inter-coding. The coded GDR frame may be exchanged between an encoder and a decoder. The encoder and decoder both may decode the GDR frame. The encoder and decoder may store the IDR-coded portion of the GDR frame in a reference picture buffer in a modified frame that includes, for the other portion(s) of the GDR frame, replacement content instead of the content obtained by decoding. The modified reference frame are expected by bias prediction search operations performed on later frame toward selection of the IDR-coded content as opposed to the replacement content.