Abstract: A varifocal ocular lens is disclosed. The varifocal ocular lens is based on a pancake lens having a polarization-folded optical path formed by two reflectors, e.g. one polarization-selective reflector and one partial reflector. By placing at least one of the reflectors onto a flexible deformable membrane, the shape e.g. radius of curvature and/or cylindricity of the reflector(s) may be dynamically changed to vary focal length and/or astigmatism of the ocular lens. Viewer's visual prescription and eye vergence may be dynamically and/or statically accommodated by the varifocal lens.

Abstract: A method includes accessing a scene graph defining a spatial relationship of a plurality of first bounding boxes associated with a plurality of virtual objects in a field of view of a user of an artificial reality (AR) device; accessing a second bounding box associated with a first bounding box of the plurality of first bounding boxes; determining, based on the second bounding box, a subregion within a sensing region of a depth sensor; obtaining first depth data within the subregion; generating, based on the first depth data, a three-dimensional model for one or more real objects; determining a visibility of a first virtual object in the AR environment associated with the first bounding box based on the three-dimensional model for the one or more real objects; and generating an output image of an AR environment based on the determined visibility of the first virtual object.

Abstract: Some examples described herein include a noise-reduction circuit for an image sensor. The noise-reduction circuit can include a reference frame generator configured to generate a reference frame based on a set of image frames received from an image sensor during a calibration phase. The noise-reduction circuit can also include a memory coupled to the reference frame generator. The memory can receive the reference frame from the reference frame generator and store the reference frame for subsequent use during a noise-reduction phase. The noise-reduction circuit can further include a processor coupled to the memory. The processor can retrieve the reference frame from the memory and use the reference frame to reduce noise in an image frame received from the image sensor during the noise-reduction phase.

Abstract: A method for switching a configuration of an enhanced reality headset is provided. The method includes identifying a scenario to switch a configuration of an enhanced reality headset between a virtual reality configuration, an augmented reality configuration, and a direct reality configuration, wherein the virtual reality configuration and the augmented reality configuration include a computer generated image, and the direct reality configuration and the augmented reality configuration include a real-time image of an environment of a user of the enhanced reality headset. The method includes providing a notification to a user of the enhanced reality headset including an intent to switch the configuration of the enhanced reality headset, and switching the configuration of the enhanced reality headset according to the scenario.

Abstract: The disclosed optical lens assemblies may include a pre-strained deformable element that exhibits a non-uniform mechanical strain or stress profile, a structural support element coupled to the pre-strained deformable element, and a deformable medium positioned between the pre-strained deformable element and the structural support element. Related head-mounted displays and methods of fabricating such optical lens assemblies are also disclosed.

Abstract: The antenna architectures disclosed herein may include a magnetic dipole antenna that includes a radiating element formed in an open loop that includes at least first and second portions that are positioned opposite each other. The magnetic dipole antenna may further include an electrically conductive via connecting the first and second opposing portions of the radiating element. The magnetic dipole antenna may further include an antenna feed disposed within the electrically conductive via. The first portion of the radiating element may be shorter in length than the second, opposite portion of the radiating element, and the difference in length between the first and second portions of the radiating element may form a capacitive gap across the radiating element. Various other systems, apparatuses, wearable electronic devices, and methods of manufacturing are also disclosed.

Abstract: A method for managing a user interface in a smart glass is provided. The method includes identifying an eye gesture of the user of the smart glass, based on an eye-tracking signal indicative of a pupil location of the user, assessing a user intention for an application displayed in a user interface in the headset based on the eye gesture, and activating the application based on the user intention. A smart glass for use with the above method is also provided.

Abstract: A method for obtaining multiple frames of image data includes obtaining a first frame of image data of an entirety of a field of view by a camera sensor. The method also includes defining one or more regions of the field of view using the first frame of image data. The method includes determining at least one of a frame rate and an image capture resolution for each of the one or more regions. The method includes operating the camera sensor to obtain partial frames of image data by obtaining image data of the one or more regions of the field of view according to at least one of the frame rate and the image capture resolution, and re-constructing one or more full frames from partial frames of image data.

Abstract: Outcoupling elements are disposed with a transparent layer. A transparent waveguide structure receives non-visible light and delivers the non-visible light to the outcoupling elements. The outcoupling elements outcouple the non-visible light as non-visible illumination light.

Abstract: A device for providing a reverse pass-through view of a user of a headset display to an onlooker includes an eyepiece comprising an optical surface configured to provide an image to a user on a first side of the optical surface. The device also includes a first camera configured to collect an image of a portion of a face of the user reflected from the optical surface in a first field of view, a display adjacent to the optical surface and configured to project forward an image of the face of the user, and a screen configured to receive light from the display and provide the image of the face of the user to an onlooker.

Abstract: A user uses “snap points” to activate virtual objects and/or to transition virtual objects from body-locked or head-locked (i.e., “leashed”) to world-locked. A snap point is a specific location in the user's artificial-reality (XR) world. When the user assumes a position near to where he was when he previously defined a snap point, the object ceases to be leashed and instead locks to the snap point (i.e., the object becomes “world-locked”). Until the user's distance from where he was when he defined the snap point exceeds a threshold value, the object remains stably world-locked at the snap point. When the user moves more than the threshold, the object releases from the snap point, returns to its previously defined leashed mode, and follows the user through the XR world as previously.

Abstract: The present disclosure relates to systems and methods for defining and modifying behavior in an extended reality environment. The systems and methods include receiving a request to build or modify a rule or policy for a given user or activity, obtaining a template based on the user or the activity, displaying the template and tools for editing the template, receiving a modification to the template via the user interacting with the tools of the user interface, and modifying the template based on the modification to generate the rule or policy. The modification includes changing the initial value for the actions or the conditions of the template and saving the template as a separate instance representative of the rule or policy, and the rule or policy includes one or more conditional statements for executing one or more of the actions based on evaluation of one or more of the conditions.

Abstract: A headset includes a thermal frame disposed within a housing. A printed circuit board (PCB) is thermally coupled to the thermal frame. Heat generated by one or more electrical components on the PCB is transmitted to the thermal frame, which distributes the heat uniformly throughout the headset. A first heat pipe is disposed on a first side of the PCB in contact with at least a portion of the thermal frame, the PCB, and/or an electrical component disposed on the PCB to draw heat from the electrical component, and a second heat pipe is disposed proximate a second side of the PCB and is configured to draw heat from second side of the PCB.

Abstract: Described embodiments provide systems and methods for adapting/negotiating media information. A first device may determine a channel quality of a wireless channel in an unlicensed spectrum between the first device and a first tethered device. The first device may determine a first bit rate supportable on the wireless channel according to the channel quality. The first device may send, to the second device, an offer message with an offered bit rate comprising a lower of the first bit rate or a second bit rate supportable by a connection between the first device and the second device at least partially across a licensed spectrum. The first device may receive, from the second device, a reply message with a reply bit rate that is less than or equal to the offered bit rate, to apply to wireless communication across at least the first tethered device, the first device and the second device.

Abstract: An audio system comprises a plurality of membranes within an enclosure. A first surface of each of the plurality of membranes is part of a shared back volume within the enclosure and pressure within the shared back volume is configured to be isobaric. A second surface of each of the membranes is part of a front volume within the enclosure that includes a plurality of ports. A controller of the audio system is configured to drive the plurality of membranes. In a mode of operation, the controller is configured to match audio output between the plurality of ports, forming pressure waves of equal amplitude and opposite phase and generating a substantially dipole or linear quadrupole sound wave radiation pattern for frequencies above a predefined threshold and mismatch audio output between the plurality of ports for frequencies at or below the predefined threshold to generate a substantially monopole or cardioid sound wave radiation pattern.

Abstract: Methods of interpreting in-air hand gestures based on orientations of a wrist-wearable device are provided. The method includes receiving, from sensors of a wrist-wearable device, data associated with performance of an in-air hand gesture during a first period of time. The method includes, when determining the data indicates that the wrist-wearable device had a first orientation when the in-air hand gesture was performed during the first period of time, causing performance of a first operation. The method includes receiving, from sensors of the wrist-wearable device, new data associated with performance of the in-air hand gesture during a second period of time, the second period of time being after the first period of time. The method includes, when determining that the new data indicates that the wrist-wearable device had a second orientation when the in-air hand gesture was performed during the second period of time, causing performance of a second operation.

Abstract: A method for training a three-dimensional model face animation model from speech, is provided. The method includes determining a first correlation value for a facial feature based on an audio waveform from a first subject, generating a first mesh for a lower portion of a human face, based on the facial feature and the first correlation value, updating the first correlation value when a difference between the first mesh and a ground truth image of the first subject is greater than a pre-selected threshold, and providing a three-dimensional model of the human face animated by speech to an immersive reality application accessed by a client device based on the difference between the first mesh and the ground truth image of the first subject. A non-transitory, computer-readable medium storing instructions to cause a system to perform the above method, and the system, are also provided.

Abstract: In one embodiment, a method includes capturing, using one or more cameras implemented in a wearable device worn by a user, a first image depicting at least a part of a hand of the user holding a controller in an environment, identifying one or more features from the first image to estimate a pose of the hand of the user, estimating a first pose of the controller based on the pose of the hand of the user and an estimated grip that defines a relative pose between the hand of the user and the controller, receiving IMU data of the controller, and estimating a second pose of the controller by updating the first pose of the controller using the IMU data of the controller. The method utilizes multiple data sources to track the controller under various conditions of the environment to provide an accurate controller tracking consistently.

Abstract: A high voltage-driven system includes a high voltage optical transformer and a high voltage driven device, where the high voltage optical transformer is located in close proximity to the high voltage driven device. A high voltage connection between the high voltage optical transformer and the high voltage driven device may be shorter than a low voltage connection between the high voltage optical transformer and a low voltage power source used to control the transformer.

Abstract: The disclosed computer-implemented method may include establishing a virtual boundary for a virtual-world environment in reference to a real-world environment, and determining whether the virtual boundary requires a correction. The method may include providing, in response to determining that the virtual boundary requires the correction, and alert and, in response to the alert, receiving a request from a user to modify the virtual boundary. The method may further include monitoring, in response to the request from the user, an orientation of a direction indicator to generate orientation data, and modifying the virtual boundary based on the orientation data. Various other methods, systems, and computer-readable media are also disclosed.