US 11,852,828 B2
Plenoptic camera measurement and calibration of head-mounted displays
Miller Harry Schuck, III, Eerie, CO (US)
Assigned to Magic Leap, Inc., Plantation, FL (US)
Appl. No. 18/004,413
Filed by Magic Leap, Inc., Plantation, FL (US)
PCT Filed Jul. 2, 2021, PCT No. PCT/US2021/040369
§ 371(c)(1), (2) Date Jan. 5, 2023,
PCT Pub. No. WO2022/010803, PCT Pub. Date Jan. 13, 2022.
Claims priority of provisional application 63/048,331, filed on Jul. 6, 2020.
Prior Publication US 2023/0221560 A1, Jul. 13, 2023
Int. Cl. G02B 27/01 (2006.01); G02B 5/20 (2006.01); G02B 27/00 (2006.01); G02B 27/28 (2006.01)
CPC G02B 27/0172 (2013.01) [G02B 5/201 (2013.01); G02B 27/0081 (2013.01); G02B 27/283 (2013.01); G02B 2027/014 (2013.01); G02B 2027/0138 (2013.01); G02B 2027/0178 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A system, comprising:
a plenoptic camera assembly comprising a camera lens defining an image plane, a camera sensor, and a microlens array arranged to image light at the image plane to the camera sensor;
a stage for receiving a head-mounted display module and positioning the head-mounted display module with respect to the plenoptic camera assembly so that so that an exit pupil of the head-mounted display module coincides with a pupil of the plenoptic camera assembly;
one or more filter arrays positioned at the pupil of the plenoptic camera assembly, each of the one or more filter arrays comprising a plurality of spatially discrete filters extending across an aperture of the camera lens; and
a system controller in communication with the plenoptic camera assembly and programmed to cause, during operation of the system, acquire one or more light field images projected from the head-mounted display module and determine information about a performance of the head-mounted display module based on the acquired light field image.