US 11,776,141 B1
Hybrid image registration techniques
Gijesh Varghese, Milpitas, CA (US); Farhan A. Baqai, Fremont, CA (US); Giancarlo Todone, Mountain View, CA (US); Hao Sun, San Jose, CA (US); and Richard D. Seely, San Jose, CA (US)
Assigned to Apple Inc., Cupertino, CA (US)
Filed by Apple Inc., Cupertino, CA (US)
Filed on Jun. 24, 2021, as Appl. No. 17/357,401.
Claims priority of provisional application 63/081,680, filed on Sep. 22, 2020.
Int. Cl. G06T 7/00 (2017.01); G06T 7/33 (2017.01); G06T 3/00 (2006.01); G06T 5/20 (2006.01); G06T 5/50 (2006.01)
CPC G06T 7/337 (2017.01) [G06T 3/0093 (2013.01); G06T 5/20 (2013.01); G06T 5/50 (2013.01); G06T 2207/20221 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A device, comprising:
a memory; and
one or more processors operatively coupled to the memory, wherein the one or more processors are configured to execute instructions causing the one or more processors to:
obtain a first set of captured images, wherein the first set of captured images comprises a reference image and one or more bracketed images; and
for each of the one or more bracketed images:
perform a first registration operation and a second registration operation on the bracketed image with respect to the reference image, wherein each of the first registration operation and the second registration operation produces an output;
generate a blend map for the bracketed image, wherein each value in the blend map indicates whether to use the first registration operation output or the second registration operation output for a corresponding one or more pixels when registering the bracketed image with the reference image; and
register the bracketed image with the reference image, according to the generated blend map.