公开(公告)号：US20220253135A1

公开(公告)日：2022-08-11

申请号：US17627105

申请日：2020-07-15

Applicant: Magic Leap, Inc.

Inventor： David Cohen ,  Elad Joseph ,  Ron Nisim Ferens ,  Eyal Preter ,  Eitan Shmuel Bar-On ,  Giora Yahav

IPC: G06F3/01 ,  G02B27/01 ,  G02B27/00 ,  G06T7/73 ,  G06T7/292 ,  G06T7/246

Abstract: A display system can include a head-mounted display configured to project light to an eye of a user to display virtual image content at different amounts of divergence and collimation. The display system can include an inward-facing imaging system possibly comprising a plurality of cameras that image the user's eye and glints for thereon and processing electronics that are in communication with the inward-facing imaging system and that are configured to obtain an estimate of a center of rotation of the user's eye using cornea data derived from the glint images. The display system may render virtual image content with a render camera positioned at the determined position of the center of rotation of said eye.

公开(公告)号：US20210302587A1

公开(公告)日：2021-09-30

申请号：US17210152

申请日：2021-03-23

Applicant: Magic Leap, Inc.

Inventor： David Cohen ,  Elad Joseph ,  Eyal Preter ,  Paul Lacey ,  Koon Keong Shee ,  Evyatar Bluzer

IPC: G01S17/894 ,  G06F3/01 ,  G06F3/03

Abstract: Techniques are disclosed for operating a time-of-flight (TOF) sensor. The TOF may be operated in a low power mode by repeatedly performing a low power mode sequence, which may include performing a depth frame by emitting light pulses, detecting reflected light pulses, and computing a depth map based on the detected reflected light pulses. Performing the low power mode sequence may also include performing an amplitude frame at least one time by emitting a light pulse, detecting a reflected light pulse, and computing an amplitude map based on the detected reflected light pulse. In response to determining that an activation condition is satisfied, the TOF may be switched to operate in a high accuracy mode by repeatedly performing a high accuracy mode sequence, which may include performing the depth frame multiple times .

公开(公告)号：US11128854B2

公开(公告)日：2021-09-21

申请号：US16352522

申请日：2019-03-13

Applicant: Magic Leap, Inc.

Inventor： Vijay Badrinarayanan ,  Zhao Chen ,  Andrew Rabinovich ,  Elad Joseph

IPC: G06K9/00 ,  H04N13/271 ,  H04N13/128 ,  G06T7/593 ,  H04N13/00 ,  G06T19/00

Abstract: Systems and methods are disclosed for computing depth maps. One method includes capturing, using a camera, a camera image of a runtime scene. The method may also include analyzing the camera image of the runtime scene to determine a plurality of target sampling points at which to capture depth of the runtime scene. The method may further include adjusting a setting associated with a low-density depth sensor based on the plurality of target sampling points. The method may further include capturing, using the low-density depth sensor, a low-density depth map of the runtime scene at the plurality of target sampling points. The method may further include generating a computed depth map of the runtime scene based on the camera image of the runtime scene and the low-density depth map of the runtime scene.