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公开(公告)号：US20220092802A1
公开(公告)日：2022-03-24
申请号：US17182580
申请日：2021-02-23
Applicant: Samsung Electronics Co., Ltd
Inventor： Seokhwan JANG , Minjung SON , Hyun Sung CHANG
Abstract: A method and apparatus with feature embedding is provided. The method includes estimating a depth map for each of plural two-dimensional (2D) input images, transforming the depth maps into three-dimensional (3D) information in a point cloud form based on an aggregation of the depth maps, and generating an embedded feature by applying the 3D information to a machine learning model, where the embedded feature includes information about a 3D shape corresponding to a 2D object in the plural 2D input images.
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公开(公告)号：US20220222828A1
公开(公告)日：2022-07-14
申请号：US17707023
申请日：2022-03-29
Applicant: Samsung Electronics Co., Ltd.
Inventor： Seungin PARK , Seokhwan JANG
Abstract: A method with video segmentation may include: acquiring, over time, a video sequence including a plurality of image frames, the plurality of image frames including a second image frame corresponding to a time t of the video sequence and a first image frame corresponding to a time t−1 before the time t; extracting a second feature vector from the second image frame; generating second hidden state information corresponding to the second image frame, based on first hidden state information corresponding to the first image frame and second fusion information in which the second feature vector is fused with information related to the second image frame stored in a memory; generating a second segmentation mask corresponding to the second image frame, based on an output vector corresponding to the second hidden state information; and outputting the second segmentation mask.
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公开(公告)号：US20180182135A1
公开(公告)日：2018-06-28
申请号：US15738741
申请日：2016-08-03
Inventor： Duhgoon LEE , Jong Beom RA , Kyoung-yong LEE , Toshihiro RIFU , Seungeon KIM , Seokhwan JANG
CPC classification number: G06T11/008 , A61B6/032 , A61B6/4291 , A61B6/5205 , A61B6/5264 , A61B6/56 , G06T7/285 , G06T11/006 , G06T2207/10076 , G06T2207/10081 , G06T2207/20192 , G06T2207/30048 , G06T2211/412 , G06T2211/421
Abstract: Provided are a tomography imaging apparatus and a method of reconstructing a tomography image which may more accurately measure a motion of an object to be tomography-imaged. In detail, the tomography imaging apparatus and the method of reconstructing a tomography image may obtain information indicating a motion of a moving object according to a time, may perform motion correction based on the obtained motion information, and may reconstruct a target image with reduced motion artifacts.
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公开(公告)号：US20230132106A1
公开(公告)日：2023-04-27
申请号：US17698577
申请日：2022-03-18
Applicant: Samsung Electronics Co., Ltd.
Inventor： Seungeon KIM , Hyun Sung CHANG , Wonhee LEE , Seokhwan JANG
Abstract: Provided is a method and apparatus for detecting a planar surface, the method including acquiring, based on a pixelwise disparity of an input image estimated in a first network, a pixelwise plane parameter of the input image, determining a pixelwise segment matching probability of the input image based on a second network trained to perform a segmentation of an image, acquiring a segment-wise plane parameter based on the pixelwise plane parameter and the pixelwise segment matching probability, and detecting a planar surface in the input image based on the segment-wise plane parameter.
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公开(公告)号：US20200250860A1
公开(公告)日：2020-08-06
申请号：US16637453
申请日：2018-08-06
Inventor： Kihong SON , Jong Beom RA , Seokhwan JANG , Kyoung-Yong LEE , Duhgoon LEE , Do Il KIM , Seungeon KIM
Abstract: A medical imaging apparatus includes an X-ray source configured to irradiate X-rays to an object; an X-ray detector configured to detect the X-rays radiated from the X-ray source to obtain projection data; and an image processor configured to reconstruct the projection data based on a motion parameter representing movement of at least one of the object, the X-ray source, and the X-ray detector, and to generate a medical image by applying a weighting process to the reconstructed projection data.
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Patent Agency Ranking
公开(公告)号：US20240257503A1
公开(公告)日：2024-08-01
申请号：US18350311
申请日：2023-07-11
Applicant: Samsung Electronics Co., Ltd.
Inventor： Hyewon MOON , Nahyup KANG , Jiyeon KIM , Donghoon SAGONG , Seokhwan JANG
CPC classification number: G06V10/774 , G06T7/50 , G06T7/70 , G06T7/90 , G06T17/00 , G06V10/82 , G06T2207/30244
Abstract: An image processing method and an image processing apparatus are provided. The image processing method includes: receiving a camera pose of a camera corresponding to a target scene; generating a piece of prediction information including either a color of an object included in the target scene or a density of the object, wherein the prediction information is generated by applying, to a neural network model, three-dimensional (3D) points on a camera ray formed based on the camera pose; sampling, among the 3D points, target points corresponding to a static object, wherein the sampling is based on the piece of prediction information; and outputting a rendered image corresponding to the target scene by projecting a pixel value corresponding to the target points onto the target scene and rendering the target scene onto which the pixel value may be projected.
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7.发明公开公开(公告)号：US20240127573A1
公开(公告)日：2024-04-18
申请号：US18312754
申请日：2023-05-05
Applicant: Samsung Electronics Co., Ltd.
Inventor： Sungheon PARK , Minjung SON , Nahyup KANG , Jiyeon KIM , Seokhwan JANG
CPC classification number: G06V10/46 , G06T3/4007 , G06V10/87
Abstract: An electronic device, from point information and time information, extracts a plurality of pieces of feature data from a plurality of feature extraction models, obtains spacetime feature data based on interpolation of the pieces of feature data, and generate scene information on the target point at the target time instant from the spacetime feature data and a view direction based on the scene information estimation model.
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公开(公告)号：US20250078394A1
公开(公告)日：2025-03-06
申请号：US18666433
申请日：2024-05-16
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Seokhwan JANG , Minjung SON , Sungheon PARK , Young Chun AHN , Nahyup KANG , Jiyeon KIM
Abstract: A rendering method and rendering device are provided. The rendering method includes obtaining a target image corresponding to a target view by inputting parameter information corresponding to the target view to a neural scene representation (NSR) model, determining an adjacent view that satisfies a predetermined condition with respect to the target view, obtaining an adjacent image corresponding to the adjacent view by inputting parameter information corresponding to the adjacent view to the NSR model, and obtaining a final image by correcting the target image based on the adjacent image.
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公开(公告)号：US20240386664A1
公开(公告)日：2024-11-21
申请号：US18655917
申请日：2024-05-06
Inventor： Seokhwan JANG , Jaesik PARK , Seungjoo SHIN
Abstract: A method and apparatus for neural rendering based on binary representation are provided. The method includes receiving a query input including coordinates and a view direction of a query point of a three-dimensional (3D) scene in a 3D space, extracting reference feature values around the query point from feature values in a binary format within a binary feature grid representing the 3D scene, determining an input feature value in a real number format based on the reference feature values in the binary format, and generating a query output corresponding to the query input by executing a neural scene representation (NSR) model based on the query input and the input feature value.
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公开(公告)号：US20240135634A1
公开(公告)日：2024-04-25
申请号：US18113823
申请日：2023-02-24
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Donghoon SAGONG , Nahyup KANG , Jiyeon KIM , Hyewon MOON , Seokhwan JANG
CPC classification number: G06T15/205 , G06T7/73 , G06T15/06
Abstract: A device including a processor configured to generate, for each of plural query inputs, point information using factors individually extracted from a plurality of pieces of factor data for a corresponding query input and generate pixel information of a pixel position using the point information of points, the plural query inputs being of the points, in a 3D space, on a view direction from a viewpoint toward a pixel position of a two-dimensional (2D) scene.
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