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. 04, 2021
Filed:
Sep. 14, 2018
Apple Inc., Cupertino, CA (US);
Alexandros Tourapis, Milpitas, CA (US);
Dazhong Zhang, Milpitas, CA (US);
Hang Yuan, San Jose, CA (US);
Hsi-Jung Wu, Cupertino, CA (US);
Jae Hoon Kim, San Jose, CA (US);
Jiefu Zhai, San Jose, CA (US);
Ming Chen, Cupertino, CA (US);
Xiaosong Zhou, Campbell, CA (US);
Apple Inc., Cupertino, CA (US);
Abstract
Aspects of the present disclosure provide techniques for reducing latency and improving image quality of a viewport extracted from multi-directional video communications. According to such techniques, first streams of coded video data are received from a source. The first streams include coded data for each of a plurality of tiles representing a multi-directional video, where each tile corresponding to a predetermined spatial region of the multi-directional video, and at least one tile of the plurality of tiles in the first streams contains a current viewport location at a receiver. The techniques include decoding the first streams and displaying the tile containing the current viewport location. When the viewport location at the receiver changes to include a new tile of the plurality of tiles, retrieving and decoding first streams for the new tile, displaying the decoded content for the changed viewport location, and transmitting the changed viewport location to the source.