US 12,093,439 B2
Two image facial action detection
Qian Lin, Palo Alto, CA (US)
Assigned to Hewlett-Packard Development Company, L.P., Spring, TX (US)
Appl. No. 17/431,757
Filed by Hewlett-Packard Development Company, L.P., Spring, TX (US)
PCT Filed Jun. 27, 2019, PCT No. PCT/US2019/039508
§ 371(c)(1), (2) Date Aug. 18, 2021,
PCT Pub. No. WO2020/263261, PCT Pub. Date Dec. 30, 2020.
Prior Publication US 2022/0122379 A1, Apr. 21, 2022
Int. Cl. H04N 23/80 (2023.01); G06F 3/01 (2006.01); G06T 3/40 (2006.01); G06T 7/11 (2017.01); G06V 10/80 (2022.01); G06V 40/16 (2022.01); H04N 23/90 (2023.01)
CPC G06F 3/011 (2013.01) [G06T 3/40 (2013.01); G06T 7/11 (2017.01); G06V 10/803 (2022.01); G06V 40/165 (2022.01); G06V 40/166 (2022.01); G06V 40/171 (2022.01); G06V 40/174 (2022.01); G06V 40/176 (2022.01); H04N 23/80 (2023.01); H04N 23/90 (2023.01); G06T 2207/20132 (2013.01); G06T 2207/30201 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A system comprising:
a first camera to capture a first image of a first facial body part, wherein the first image has a first scale;
a second camera to capture a second image of a second facial body part, wherein the second image has a second scale;
a transformation engine to transform the first scale of the first image to a third scale of full facial images, as a first transformed version of the first image, and the second scale of the second image to the third scale of full facial images, as a second transformed version of the second image, wherein the first scale and the second scale are different from the third scale; and
a local location engine to identify first facial landmarks in the first transformed version of the first image and second facial landmarks in the second transformed version of the second image, the first facial landmarks and the second facial landmarks used to determine that an action has occurred.