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公开(公告)号：US20220099836A1
公开(公告)日：2022-03-31
申请号：US17037146
申请日：2020-09-29
Applicant: Apical Limited , Arm Limited
Inventor： Daren CROXFORD , Roberto LOPEZ MENDEZ , Viacheslav CHESNOKOV , Maxim NOVIKOV , Mina Ivanova DIMOVA
IPC: G01S17/894 , G01S17/10 , H04N5/369
Abstract: A method and apparatus for measuring depth using a time-of-flight (ToF) depth sensor is described. The apparatus includes an emitter configured to emit a signal towards a scene comprising one or more regions with light or sound, this emitter being controllable to adjust at least one of an intensity and a modulation frequency of the signal output from the emitter. The apparatus also includes a signal sensor, configured to detect an intensity of the signal from the emitter that has been reflected by the scene. A controller is configured to receive context information about the scene for depth capture by the time-of-flight depth sensor and to adjust at least one of the intensity and modulation frequency of the signal output by the emitter in dependence on the context information.
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公开(公告)号：US20220060481A1
公开(公告)日：2022-02-24
申请号：US17001187
申请日：2020-08-24
Applicant: Arm Limited
Inventor： Roberto LOPEZ MENDEZ , Daren CROXFORD , Ioan-Cristian SZABO , Mina Ivanova DIMOVA
Abstract: A computer-implemented method for an augmented-reality system is provided. The computer-implemented method comprises obtaining sensed data, representing an environment in which the AR system is located, determining that the AR system is in a location associated with a first authority characteristic, and controlling access to the sensed data for one or more applications operating in the AR system. Each of the one or more applications is associated with a respective authority characteristic. Controlling access to the sensed data for a said application is performed in dependence on the first authority characteristic and a respective authority characteristic associated with the said application. An AR system comprising one or more sensors, storage for storing sensed data, one or more application modules, and one or more processors arranged to perform the computer-implemented method is provided. A non-transitory computer-readable storage medium comprising computer-readable instructions for performing the computer-implemented method is also provided.
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公开(公告)号：US20220036577A1
公开(公告)日：2022-02-03
申请号：US16943859
申请日：2020-07-30
Applicant: Apical Limited , Arm Limited
Inventor： Roberto LOPEZ MENDEZ , Daren CROXFORD , Mina Ivanova DIMOVA , Mohamed Nour Nader Fathy ABOUELSEOUD
Abstract: A system for estimating a current camera pose corresponding to a current point in time using a previous camera pose corresponding to a previous point in time, of a camera configured to generate a sequence of image frames. The system performs operations, including: generating, using one or more neural networks, a neural network pose prediction for the current image frame; and adjusting a previous camera pose using inertial measurement unit data representing a motion of the camera between the previous point in time and the current point in time, to provide an inertial measurement unit pose prediction for the current point in time. The inertial measurement unit pose prediction, and the neural network pose prediction are combined in order to estimate the current camera pose.
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公开(公告)号：US20210090348A1
公开(公告)日：2021-03-25
申请号：US16576532
申请日：2019-09-19
Applicant: Apical Limited , Arm Limited
Inventor： Daren CROXFORD , Roberto LOPEZ MENDEZ
Abstract: A method of data processing for an augmented reality system. The method comprises obtaining augmented reality data output by an augmented reality application operating at a second trust level. The augmented reality data is for modifying a representation of a real-world environment for a user of the augmented reality system. The method also comprises obtaining object recognition data determined by an object recognition system operating at a first trust level. The object recognition data comprises an indication of an object belonging to a predetermined class of objects being present in the real-world environment. The method also comprises triggering modification of the augmented reality data in response to the object recognition data, based on prioritization of the first trust level over the second trust level.
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公开(公告)号：US20220262079A1
公开(公告)日：2022-08-18
申请号：US17650972
申请日：2022-02-14
Applicant: Arm Limited
Inventor： Daren CROXFORD , Roberto LOPEZ MENDEZ
IPC: G06T19/00 , G06F3/01 , G06V10/764 , G06T3/40
Abstract: An image processing system for an extended reality, XR, device comprising an eye-tracking subsystem, for determining a focus region of the eye, and a processor. The processor is configured to process application data to render image content for an application for display on the XR device, and obtain metadata indicating that a virtual object is to be generated as a hologram as part of the image content for display. Based on a determination that the virtual object belongs to a predetermined class of objects and is to be displayed in the focus region, the processor performs, using a neural network corresponding to the predetermined class of objects, foveated processing of the image content, including at least part of the hologram, such that relatively high-quality image content is generated for display in the focus region and relatively low-quality image content is generated for display outside the focus region.
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Patent Agency Ranking
公开(公告)号：US20210382306A1
公开(公告)日：2021-12-09
申请号：US16896853
申请日：2020-06-09
Applicant: Arm Limited
Inventor： Daren CROXFORD , Roberto LOPEZ MENDEZ , Erik PERSSON , Sean Tristram LeGuay ELLIS
IPC: G02B27/01
Abstract: A head-mounted display (HMD) comprising a first side for facing a user of the HMD, a second side opposite to the first side, and a reflective layer for at least partially reflecting incident light incident on the second side. At least one processor of the HMD is configured to obtain luminance data indicative of a luminance of the incident light and control a display device, based on the luminance data, to control a luminance of a portion of emitted light directed towards the user of the HMD during the display of the image. Further examples relate to an HMD with a display device configured to emit light of at least one predetermined wavelength range during display of an image by the display device, and a layer arranged to at least partially prevent transmission of the light of the at least one predetermined wavelength range outward from the HMD.
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公开(公告)号：US20210055409A1
公开(公告)日：2021-02-25
申请号：US16547266
申请日：2019-08-21
Applicant: Apical Limited , Arm Limited
Inventor： Daren CROXFORD , Roberto LOPEZ MENDEZ
Abstract: A method comprising: obtaining pose data representative of a pose of a portable device during observation of an environment comprising an object; obtaining distance data representative of a distance between the object and a receiver during the observation of the environment, using at least one radio waveform reflected from the object and received by the receiver; and processing the pose data and the distance data to generate a topological model of the object.
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公开(公告)号：US20210029521A1
公开(公告)日：2021-01-28
申请号：US16519913
申请日：2019-07-23
Applicant: Arm Limited
Inventor： Peter James Samuel FERGUSON , Andrew DUNN , Roberto LOPEZ MENDEZ
Abstract: The present disclosure provides a system and method for locating terminals within a facility. One or more of a plurality of primary terminals send a location signal which may comprise location data for the respective primary terminal. A secondary terminal, of a plurality of secondary terminals may receive one or more of these location signals. In response, the secondary terminal sends a confirmation message to each primary terminal from which it has received a location signal. The confirmation message may comprise a unique identifier for the secondary terminal. In response to receiving one or more confirmation messages, a primary terminal sends a location reporting message to a location processing server. The location reporting message comprises the location data for that primary terminal and the contents of the received confirmation message(s). The data held on the location processing server can be used to determine the location and movement of each of the primary terminals and the secondary terminals.
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公开(公告)号：US20200034993A1
公开(公告)日：2020-01-30
申请号：US16044070
申请日：2018-07-24
Applicant: Apical Ltd , Arm Limited
Inventor： Daren CROXFORD , Roberto LOPEZ MENDEZ , Sean Tristram LeGuay ELLIS , Jayavarapu Srinivasa RAO
Abstract: Examples of the present disclosure relate to methods for processing image data. In one such example, first data representing a rendered image is received. In some cases, second data useable to identify at least one target region of the rendered image is received, the at least one target region being associated with a gaze direction of a viewer. A first portion of the first data is processed in accordance with a first data reduction rate to derive first processed data, the first portion representing the at least one target region. A second portion of the first data is processed in accordance with a second data reduction rate, different from the first data reduction rate. The second portion represents a further region of the rendered image, different from the at least one target image. At least the first processed data is outputted.
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公开(公告)号：US20200034615A1
公开(公告)日：2020-01-30
申请号：US16507430
申请日：2019-07-10
Applicant: Apical Limited , Arm Limited
Inventor： Daren CROXFORD , Roberto LOPEZ MENDEZ , Madhusudan EYUNNI
Abstract: A local object classifier using a set of object definitions to perform object classification in image frames. The local object classifier is arranged to detect an object in an image frame and determine whether to transmit image data for the detected object to a remote object classifier. In response to said determining, the local object classifier is arranged to transmit image data, derived from the image data representative of the image frame, to the remote object classifier. The local object classifier is also arranged to receive object data, representative of the detected object, from the remote object classifier.
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