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公开(公告)号：US12086940B2
公开(公告)日：2024-09-10
申请号：US17832847
申请日：2022-06-06
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Minjung Son , Hyun Sung Chang , Inwoo Ha
CPC classification number: G06T17/205 , G06N3/045 , G06T19/20 , G06T2219/2004 , G06T2219/2024
Abstract: An image processing method is provided. The method includes generating appearance information corresponding to a canonical space defined by a cube including a plurality of regular grids in a first input image by implementing a first neural network, generating geometric information corresponding to a standard space in a second input image by implementing a second neural network, deforming the plurality of regular grids based on the generated geometric information, generating standardized image information by applying the appearance information to the plurality of deformed regular grids, and generating an output image based on the standardized image information.
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公开(公告)号：US11488391B2
公开(公告)日：2022-11-01
申请号：US17147864
申请日：2021-01-13
Applicant: Samsung Electronics Co., Ltd.
Inventor： Chui Woo Kang , Wonhee Lee , Hyun Sung Chang , Hyun Cheol Jeon , Kyungboo Jung , Hojin Ju
Abstract: A position information estimating method and apparatus are provided, wherein the position information estimating method includes estimating initial position information of a vehicle based on motion information of the vehicle that is obtained from one or more sensors, calculating search position information of one or more objects included in an image of surroundings of the vehicle based on the initial position information, evaluating a final reliability of each of the one or more objects based on the initial position information and the search position information, obtaining a filter adaptation parameter corresponding to a weight of the search position information based on the final reliability, and estimating final position information of the vehicle based on the initial position information, the search position information, and the filter adaptation parameter.
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公开(公告)号：US11023748B2
公开(公告)日：2021-06-01
申请号：US16295326
申请日：2019-03-07
Applicant: Samsung Electronics Co., Ltd.
Inventor： DongHoon Sagong , Hyun Sung Chang , Minjung Son
IPC: G06K9/00
Abstract: A method of estimating a position includes: determining a first rotation reference point based on localization information estimated for a target and map data; estimating a second rotation reference point from image data associated with a front view of the target; and correcting the localization information using a rotation parameter calculated based on the first rotation reference point and the second rotation reference point.
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公开(公告)号：US10546392B2
公开(公告)日：2020-01-28
申请号：US15591378
申请日：2017-05-10
Applicant: Samsung Electronics Co., Ltd.
Inventor： Minjung Son , Hyun Sung Chang , Donghoon Sagong , Young Hun Sung
IPC: G06T7/90
Abstract: A method to process an image includes: determining a first specular reflection element from an input image based on a feature of chromaticity of pixels included in the input image; extracting a second specular reflection element from the first specular reflection element based on a feature of brightness of the pixels; and correcting the input image based on the second specular reflection element.
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公开(公告)号：US12217518B2
公开(公告)日：2025-02-04
申请号：US17529634
申请日：2021-11-18
Applicant: Samsung Electronics Co., Ltd.
Inventor： Weiming Li , Jiyeon Kim , Qiang Wang , Hyun Sung Chang , Sunghoon Hong , Chao Zhang
Abstract: A method with object detection includes obtaining a first point cloud feature based on point cloud data of an image and determining at least one object in the image based on the first point cloud feature.
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Patent Agency Ranking
公开(公告)号：US12198266B2
公开(公告)日：2025-01-14
申请号：US17487240
申请日：2021-09-28
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Inwoo Ha , Hyun Sung Chang , Minjung Son
Abstract: A processor-implemented method includes: determining albedo data in a canonical space and depth data in the canonical space based on input image data including an object, using one or more neural network-based extraction models; generating deformed albedo data and deformed depth data by applying a target shape deformation value respectively to the albedo data and the depth data; generating resultant shaded data by performing shading based on the deformed depth data and a target illumination value; generating intermediate image data based on the resultant shaded data and the deformed albedo data; and generating reconstructed image data from the intermediate image data and the deformed depth data based on a target pose value.
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公开(公告)号：US12198245B2
公开(公告)日：2025-01-14
申请号：US16879955
申请日：2020-05-21
Applicant: Samsung Electronics Co., Ltd.
Inventor： Inwoo Ha , Hyun Sung Chang , Nahyup Kang
Abstract: A three-dimensional (3D) rendering method includes extracting sample points from a 3D scene, acquiring rendering result information for the sample points by rendering the sample points, and generating a rendering result image corresponding to an entire rendering based on the rendering result information for the sample points and feature information of the 3D scene.
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公开(公告)号：US12148182B2
公开(公告)日：2024-11-19
申请号：US17476920
申请日：2021-09-16
Applicant: Samsung Electronics Co., Ltd.
Inventor： Chao Zhang , Jiyeon Kim , Yang Liu , Yueying Kao , Hao Wang , Hyun Sung Chang , Qiang Wang , Sunghoon Hong , Weiming Li
Abstract: A method, an apparatus, an electronic device for estimating a pose of an object include determining a confidence of a depth image of an object based on a color image and the depth image of the object, estimating a pose of the object based on a three-dimensional (3D) keypoint in response to the depth image being reliable, and estimating the pose of the object based on a two-dimensional (2D) keypoint in response to the depth image being unreliable.
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公开(公告)号：US11915448B2
公开(公告)日：2024-02-27
申请号：US17392473
申请日：2021-08-03
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Donghoon Sagong , Hojin Ju , Jaehwan Pi , Hyun Sung Chang
CPC classification number: G06T7/74 , G06T7/246 , G06V10/462 , G06T2207/30244
Abstract: A method and apparatus with pose determination are provided. The method includes determining first pose information of a computing apparatus dependent on motion sensor information of motion of the computing apparatus, estimating second pose information of the computing apparatus dependent on feature point position information that is pre-defined for an object, and one or more feature points of the object that are extracted from an image captured by the computing apparatus, determining respective reliability values of the first pose information and the second pose information, and determining a pose of the computing apparatus for augmented reality (AR) content based on the first pose information, the second pose information, and the respective reliability values. AR content may be generated based on the determined pose.
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公开(公告)号：US11586925B2
公开(公告)日：2023-02-21
申请号：US15946800
申请日：2018-04-06
Applicant: Samsung Electronics Co., Ltd.
Inventor： Hyun Sung Chang , Donghoon Sagong , Minjung Son
Abstract: Disclosed is a recognition and training method and apparatus. The apparatus may include a processor configured to input data to a neural network, determine corresponding to a multiclass output a mapping function of a first class and a mapping function of a second class, acquire a result of a loss function including a first probability component that changes correspondingly to a function value of the mapping function of the first class and a second probability component that changes contrastingly to a function value of the mapping function of the second class, determine a gradient of loss corresponding to the input data based on the result of the loss function, update a parameter of the neural network based on the determined gradient of loss for generating a trained neural network based on the updated parameter. The apparatus may input other data to the trained neural network, and indicate a recognition result.
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