公开(公告)号：US20230236429A1

公开(公告)日：2023-07-27

申请号：US17581805

申请日：2022-01-21

Applicant: META PLATFORMS TECHNOLOGIES, LLC

Inventor： Edward Buckley ,  Bennett Sampson Wilburn ,  Kavitha Ratnam ,  Shuang Wang ,  Pravin Rao

IPC: G02B27/01 ,  G06T7/536 ,  G06T7/33

CPC classification number: G02B27/0179 ,  G02B27/0172 ,  G06T7/536 ,  G06T7/337 ,  G02B2027/014 ,  G02B2027/0178 ,  G02B2027/0187

Abstract: In one embodiment, a computing system may determine, determine an estimated distance of an eye of a user to a display plane of a display. The system may access correction maps corresponding to a number of reference distances to the display plane of the display. The system may select a first reference distance and a second reference distance based on the estimated distance. The system may generate a custom correction map for the user based on an interpolation of a first correction map corresponding to the first reference distance and a second correction map corresponding to the second reference distance. The system may adjust an image to be displayed on the display using the custom correction map. The custom correction map may correct non-uniformity of the display as viewed from the eye of the user. The system may display the image adjusted using the custom correction map on the display.

公开(公告)号：US20230004220A1

公开(公告)日：2023-01-05

申请号：US17845598

申请日：2022-06-21

Applicant: Meta Platforms Technologies, LLC

Inventor： Shuang Wang ,  Edward Buckley

IPC: G06F3/01 ,  G06T19/00 ,  G02B27/01

Abstract: A method for dynamic uniformity compensation in displays for virtual reality and augmented reality headsets is provided. The method includes identifying an eyeball position within an image frame in a display, forming a filter for the two-dimensional array, centered on the eyeball position within the image frame. The method also includes collecting a calibration frame for the two-dimensional array indicative of a uniformity map for pupil locations, generating a filtered map associated with the eyeball position within the image frame, using the filter for the two-dimensional array and the calibration frame, obtaining a uniformity correction factor for a pixel in the display corresponding to the eyeball position within the image frame, based on the filtered map, and generating eyeball uniformity maps including uniformity correction factors for display pixels. A system and a memory storing instructions to cause the system to perform the above method are also provided.

公开(公告)号：US11754846B2

公开(公告)日：2023-09-12

申请号：US17581805

申请日：2022-01-21

Applicant: META PLATFORMS TECHNOLOGIES, LLC

Inventor： Edward Buckley ,  Bennett Sampson Wilburn ,  Kavitha Ratnam ,  Shuang Wang ,  Pravin Rao

IPC: G02B27/01 ,  G06T7/536 ,  G06T7/33

CPC classification number: G02B27/0179 ,  G02B27/0172 ,  G06T7/337 ,  G06T7/536 ,  G02B2027/014 ,  G02B2027/0178 ,  G02B2027/0187

Abstract: In one embodiment, a computing system may determine, determine an estimated distance of an eye of a user to a display plane of a display. The system may access correction maps corresponding to a number of reference distances to the display plane of the display. The system may select a first reference distance and a second reference distance based on the estimated distance. The system may generate a custom correction map for the user based on an interpolation of a first correction map corresponding to the first reference distance and a second correction map corresponding to the second reference distance. The system may adjust an image to be displayed on the display using the custom correction map. The custom correction map may correct non-uniformity of the display as viewed from the eye of the user. The system may display the image adjusted using the custom correction map on the display.