	US 12,278,991 B1
	Enhanced video streaming and reference frame synchronization
Qi Keith Wang, Cambridge (GB); Ramin Ghorashi, Cambridge (GB); Stephen John Bannister, Burwell (GB); and Ilya Brailovskiy, Fremont, CA (US)
Assigned to AMAZON TECHNOLOGIES, INC., Seattle, WA (US)
Filed by Amazon Technologies, Inc., Seattle, WA (US)
Filed on May 16, 2024, as Appl. No. 18/665,967.
Application 18/665,967 is a division of application No. 17/830,628, filed on Jun. 2, 2022, granted, now 12,028,549.
Int. Cl. H04N 19/593 (2014.01); H04N 19/124 (2014.01); H04N 19/139 (2014.01); H04N 19/176 (2014.01); H04N 19/625 (2014.01); H04N 19/70 (2014.01)

CPC H04N 19/593 (2014.11) [H04N 19/124 (2014.11); H04N 19/139 (2014.11); H04N 19/176 (2014.11); H04N 19/625 (2014.11); H04N 19/70 (2014.11)]

20 Claims

1. A method comprising:

prior to initiation of a first video streaming session,

receiving, by a computing system, first frame data representing a first frame; and

storing, in one or more non-transitory computer readable media, background picture data associated with the first frame;

during the first video streaming session,

receiving, by the computing system, second frame data representing a second frame;

generating, by a decoder using the second frame data, third frame data representing decoded frame data; and

generating, using the third frame data and the background picture data associated with the first frame, fourth frame data representing the second frame.