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公开(公告)号：US20250086833A1
公开(公告)日：2025-03-13
申请号：US18825873
申请日：2024-09-05
Applicant: Samsung Electronics Co., Ltd.
Inventor： Zhihua LIU , Xiongfeng PENG , Zhitong YE , Qiang WANG , SoonYong CHO , Young Hun SUNG
Abstract: A method performed by an electronic device, the electronic device, and a storage medium are provided. The method includes obtaining a frame image of a video from a camera and inertia data of an inertial measurement unit (IMU) corresponding to the frame image and obtaining a camera position and pose of the camera, a sparse map, and a high-density map corresponding to the frame image, based on the frame image and the inertia data of the IMU.
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Patent Agency Ranking
公开(公告)号：US20250157055A1
公开(公告)日：2025-05-15
申请号：US18944556
申请日：2024-11-12
Applicant: Samsung Electronics Co., Ltd.
Inventor： Xiongfeng PENG , Zhihua LIU , Qiang WANG , Soon-Yong CHO
IPC: G06T7/246 , G06T7/215 , G06V10/74 , G06V10/764 , G06V10/77 , G06V10/776 , G06V10/82 , G06V20/70
Abstract: A scene flow estimation method includes: inputting a frame pair into an artificial intelligence (AI) network, and obtaining therefrom a motion embedding feature and a non-occluded-category label embedding feature corresponding to a target pixel in the frame pair; and estimating a scene flow corresponding to the frame pair based on the motion embedding feature and the non-occluded-category label embedding feature, the frame pair includes a first frame and a second frame, the first frame including a first color image and a first depth image and the second frame including a second color image and a second depth image, the non-occluded-category label embedding feature includes category information of an object corresponding to a pixel pair in the frame pair, the pixel pair includes a first pixel of the first frame and a second pixel of the second frame, and the second pixel corresponds to the first pixel.
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公开(公告)号：US20240303846A1
公开(公告)日：2024-09-12
申请号：US18597107
申请日：2024-03-06
Applicant: Samsung Electronics Co., Ltd.
Inventor： Xiongfeng PENG , Zhihua LIU , Kyungboo JUNG , Myungjae JEON , Qiang WANG , Young Hun SUNG
CPC classification number: G06T7/579 , G06T7/248 , G06T7/74 , G06T17/05 , G06T2207/20084 , G06T2207/30244
Abstract: A processor-implemented method includes obtaining a visual association feature indicating an association between a first image frame and a second image frame and a visual appearance feature indicating the same object appearance in the first image frame and the second image frame, constructing a visual reprojection constraint based on the visual association feature, constructing a visual feature metric constraint based on the visual appearance feature, and performing localization and mapping based on the visual reprojection constraint and the visual feature metric constraint.
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公开(公告)号：US20230281867A1
公开(公告)日：2023-09-07
申请号：US18106184
申请日：2023-02-06
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Xiongfeng PENG , Zhihua LIU , Qiang WANG , Yuntae KIM
IPC: G06T7/73 , G06T7/60 , G06F16/583 , G06F16/55 , G06F16/538
CPC classification number: G06T7/74 , G06F16/538 , G06F16/55 , G06F16/5854 , G06T7/60
Abstract: A method performed by an electronic device includes: acquiring a search image based on a query image; acquiring first spatial features of the query image and second spatial features of the search image; and estimating a relative pose between the query image and the search image based on the first spatial features and the second spatial features.
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5.发明申请公开(公告)号：US20220277479A1
公开(公告)日：2022-09-01
申请号：US17681179
申请日：2022-02-25
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Xiongfeng PENG , Zhihua LIU , Qiang WANG , Yuntae KIM , Hongseok LEE
Abstract: Provided is a method of simultaneous localization and mapping (SLAM), the method including obtaining a structure of a current image frame, obtaining a structure re-identification constraint based on the structure of the current image frame, and obtaining a SLAM result based on the structure re-identification constraint. By introducing the structure re-identification constraint in a bundle adjustment process to obtain the SLAM result, error accumulation may be more easily controlled, and accuracy and robustness in obtaining the SLAM result may be improved.
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公开(公告)号：US20210150755A1
公开(公告)日：2021-05-20
申请号：US17093944
申请日：2020-11-10
Applicant: Samsung Electronics Co., Ltd.
Inventor： Tianhao GAO , Xiaolong SHI , Xiongfeng PENG , Kuan MA , Hongseok LEE , Myungjae JEON , Qiang WANG , Yuntae KIM , Zhihua LIU
Abstract: A simultaneous localization and mapping device is provided. The device includes an image obtaining device configured to capture color images and depth images of a surrounding environment; an initial pose estimating device configured to estimate an initial pose based on the color images and the depth images; a map constructing device configured to construct a three-dimensional map based on the depth images and the color images; and a pose determining device configured to determine a final pose based on the initial pose and the three-dimensional map.
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