US 11,778,335 B2
Generating high dynamic range video using low dynamic range image sensor
Chao Wang, Shanghai (CN); Donghui Wu, San Mateo, CA (US); Bin Chen, San Jose, CA (US); and Jiaju Yue, San Jose, CA (US)
Assigned to Black Sesame Technologies Inc., San Jose, CA (US)
Filed by BLACK SESAME TECHNOLOGIES INC., San Jose, CA (US)
Filed on Oct. 23, 2020, as Appl. No. 17/79,117.
Prior Publication US 2022/0132016 A1, Apr. 28, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. H04N 23/741 (2023.01); G06T 5/00 (2006.01); G06T 5/50 (2006.01)
CPC H04N 23/741 (2023.01) [G06T 5/009 (2013.01); G06T 5/50 (2013.01); G06T 2207/10016 (2013.01); G06T 2207/20208 (2013.01); G06T 2207/20221 (2013.01)] 5 Claims
OG exemplary drawing
 
1. A method of multiple-exposure multiple-frame image capture, making an HDR video, comprising:
capturing a first series of frames at a first underexposed setting;
selecting a first reference image from the first series of frames;
aligning the first series of frames to the first reference image;
merging the first series of frames into one first frame based on the first reference image;
capturing a second series of frames at a second underexposed setting;
selecting a second reference image from the second series of frames;
aligning the second series of frames to the second reference image;
merging the second series of frames into one second frame based on the second reference image; and
fusing the one first frame and the one second frame.