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公开(公告)号:US20220317302A1
公开(公告)日:2022-10-06
申请号:US17220394
申请日:2021-04-01
Applicant: QUALCOMM Incorporated
Inventor: Volodimir SLOBODYANYUK , Avdhut JOSHI , Sundar SUBRAMANIAN
IPC: G01S17/89 , G01S17/931 , G05D1/02
Abstract: In some aspects, a device may receive, from a radar scanner or a LIDAR scanner of a vehicle, point data that identifies a first point and a second point. The device may receive grid information that identifies cells of a grid that is associated with mapping a physical environment of the vehicle. The device may designate, based on determining that a distance between the first point and the second point satisfies a distance threshold, a subset of the cells as an occupied cluster that is associated with the first point and the second point. The device may perform an action associated with the vehicle based on location information associated with the occupied cluster. Numerous other aspects are described.
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公开(公告)号:US20200218913A1
公开(公告)日:2020-07-09
申请号:US16733222
申请日:2020-01-02
Applicant: QUALCOMM Incorporated
Inventor: Jayakrishnan UNNIKRISHNAN , Avdhut JOSHI , Shivam AGARWAL , Amir SALIMI , Sree Sesha Aravind VADREVU , Gautam SACHDEVA , Yoga Y NADARAAJAN , Ravi Teja SUKHAVASI , Aolin XU , Xinzhou WU , Young-Ki BAIK , Duck Hoon KIM , Hyun-Mook CHO
IPC: G06K9/00 , G06T7/277 , G06T7/246 , G01S13/931 , B60R11/04
Abstract: Disclosed are techniques for determining a motion state of a target object. In an aspect, an on-board computer of an ego vehicle detects the target object in one or more images, determines one or more first attributes of the target object based on measurements of the one or more images, determines one or more second attributes of the target object based on measurements of a map of a roadway on which the target object is travelling, and determines the motion state of the target object based on the one or more first attributes and the one or more second attributes of the target object.
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公开(公告)号:US20250130329A1
公开(公告)日:2025-04-24
申请号:US18812289
申请日:2024-08-22
Applicant: QUALCOMM Incorporated
Inventor: Makesh Pravin JOHN WILSON , Vishnuu APPAYA DHANABALAN , Volodimir SLOBODYANYUK , Avdhut JOSHI , Radhika Dilip GOWAIKAR
IPC: G01S13/931 , G01S13/72 , G01S13/89
Abstract: A dynamic occupancy grid determination method includes: obtaining, at an apparatus, at least one radar-based occupancy grid based on radar sensor measurements, each of the at least one radar-based occupancy grid comprising a plurality of first cells, each cell of the plurality of first cells having a corresponding first occupancy probability and first velocity; obtaining, at the apparatus, at least one camera-based occupancy grid based on camera measurements, each of the at least one camera-based occupancy grid comprising a plurality of second cells, each cell of the plurality of second cells having a corresponding second occupancy probability and second velocity; and determining, at the apparatus, a dynamic occupancy grid by analyzing the at least one radar-based occupancy grid and the at least one camera-based occupancy grid.
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公开(公告)号:US20240221186A1
公开(公告)日:2024-07-04
申请号:US18530660
申请日:2023-12-06
Applicant: QUALCOMM Incorporated
Inventor: Makesh Pravin JOHN WILSON , Radhika Dilip GOWAIKAR , Shantanu Chaisson SANYAL , Avdhut JOSHI , Rex JOMY JOSEPH , Volodimir SLOBODYANYUK
IPC: G06T7/246
CPC classification number: G06T7/251 , G06T2207/10028 , G06T2207/20084
Abstract: In some aspects, a device may obtain sensor data associated with identifying measured properties of an object in an environment. The device may detect a trigger event associated with at least one of the environment or the device. The device may modify, based on detecting the trigger event, one or more pre-processing operations associated with the sensor data for input to a neural network, and/or one or more post-processing operations associated with an object detection output of the neural network. The device may perform the one or more pre-processing operations associated with the sensor data to generate pre-processed sensor data. The device may generate the object detection output for the object based on detecting the object using the pre-processed sensor data as the input to the neural network. The device may perform the one or more post-processing operations using the object detection output. Numerous other aspects are described.
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公开(公告)号:US20240144061A1
公开(公告)日:2024-05-02
申请号:US18480178
申请日:2023-10-03
Applicant: QUALCOMM Incorporated
Inventor: Makesh Pravin JOHN WILSON , Radhika Dilip GOWAIKAR , Volodimir SLOBODYANYUK , Avdhut JOSHI , James POPLAWSKI
IPC: G06N7/01
Abstract: An occupancy grid probability prediction method includes: determining a dynamic particle probability based on a first probability that a dynamic particle will move from a donor cell of an occupancy grid to a recipient cell of the occupancy grid; and determining one or more predicted probabilities of at least one of the donor cell or the recipient cell based on the dynamic particle probability.
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公开(公告)号:US20230366983A1
公开(公告)日:2023-11-16
申请号:US17744566
申请日:2022-05-13
Applicant: QUALCOMM Incorporated
Inventor: Shubham Sanjeev GARG , Amir SALIMI , Jayakrishnan UNNIKRISHNAN , Avdhut JOSHI
Abstract: A processor-implemented method for radar-based tracking of an object includes transmitting radio frequency (RF) signals. In response to the transmitted RF signals, one or more return RF signals are received. Features of the one or more return RF signals are extracted. A graph comprising multiple nodes is generated. Each node of the graph corresponds to the one or more return RF signals and indicates a potential target object detection. An existence of a plurality of edges is determined. Each edge connects a pair of nodes in the graph based on features of the return RF signals. The existence of each edge indicates that the pair of nodes connected correspond to a same target object.
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公开(公告)号:US20230036838A1
公开(公告)日:2023-02-02
申请号:US17443974
申请日:2021-07-29
Applicant: QUALCOMM Incorporated
Inventor: Volodimir SLOBODYANYUK , Avdhut JOSHI , Sundar SUBRAMANIAN
Abstract: In some aspects, a device may receive point data associated with a cell of an occupancy grid for controlling a vehicle. The device may determine, based on the point data, a characteristic of the cell that is associated with an occupancy probability of the cell, wherein the occupancy probability is determined according to a first technique based on the point data. The device may configure, based on the characteristic, the occupancy probability for the cell, within the occupancy grid, according to a second technique. Numerous other aspects are described.
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公开(公告)号:US20220237402A1
公开(公告)日:2022-07-28
申请号:US17452552
申请日:2021-10-27
Applicant: QUALCOMM Incorporated
Inventor: Jayakrishnan UNNIKRISHNAN , Yoga Y NADARAAJAN , Avdhut JOSHI
Abstract: Techniques and systems are provided for determining static occupancy. For example, an apparatus can be configured to determine one or more pixels associated with one or more static objects depicted in one or more images of a three-dimensional space. The apparatus can be configured to obtain a point map including a plurality of map points, the plurality of map points corresponding to a portion of the three-dimensional space. The apparatus can be configured to determine, based on the point map and the one or more pixels associated with the one or more static objects, a probability of occupancy by the one or more static objects in the portion of the three-dimensional space. The apparatus can be configured to combine information across multiple images of the three-dimensional space, and can determine probabilities of occupancy for all cells in a static occupancy grid that is associated with the three-dimensional space.
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公开(公告)号:US20250123390A1
公开(公告)日:2025-04-17
申请号:US18825534
申请日:2024-09-05
Applicant: QUALCOMM Incorporated
Inventor: Vishnuu APPAYA DHANABALAN , Ahmed Kamel SADEK , Avdhut JOSHI , James POPLAWSKI , Makesh Pravin JOHN WILSON
Abstract: A method, for determining a dynamic occupancy grid, includes: obtaining radar measurement data from at least one radar sensor of an apparatus; obtaining camera-derived data based on at least one image obtained by at least one camera of the apparatus; and determining the dynamic occupancy grid based on the radar measurement data and the camera-derived data.
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公开(公告)号:US20240371015A1
公开(公告)日:2024-11-07
申请号:US18311640
申请日:2023-05-03
Applicant: QUALCOMM Incorporated
Inventor: Amin ANSARI , Sai Madhuraj JADHAV , Avdhut JOSHI
Abstract: Certain aspects of the present disclosure provide techniques and apparatus for improved machine learning. Data from a source domain and data from a target domain is accessed. A set of machine learning models is trained, based on the data from the source domain and the data from the target domain, to generate depth outputs based on input images. Training the set of machine learning models includes: generating a discriminator output based at least in part on an input image frame from either the source domain or the target domain, generating an adversarial loss based on the discriminator output, and refining one or more machine learning models of the set of machine learning models based on the adversarial loss.
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