公开(公告)号：US20230237981A1

公开(公告)日：2023-07-27

申请号：US18128743

申请日：2023-03-30

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Ziheng YAN ,  Jiang YU ,  Xin JIN ,  Jie CHEN ,  Weiyang SU ,  Youxin CHEN ,  Longhai WU

IPC: G10H1/00

CPC classification number: G10H1/0033 ,  G10H1/0008

Abstract: A method and apparatus for implementing a virtual performance partner are provided. The method includes collecting audio frame data performed by a performer; and for each piece of current audio frame data collected, performing: converting the piece of current audio frame data collected into a current digital score, matching the current digital score with a range of digital scores in a repertoire, and determining a matching digital score in the range of digital scores that matches the current digital score; positioning a position of the matching digital score in the repertoire, and determining a start time of playing a cooperation part of music in a next bar of the matching digital score in the repertoire for a performance partner.

公开(公告)号：US20240212235A1

公开(公告)日：2024-06-27

申请号：US18405696

申请日：2024-01-05

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sukun YOON ,  Jie CHEN ,  Longhai WU ,  Juan LIU ,  Minji KIM ,  Jinho KIM ,  Hyungsuk LEE

IPC: G06T11/20 ,  G06T7/13 ,  G06T11/60 ,  G06V10/74

CPC classification number: G06T11/203 ,  G06T7/13 ,  G06T11/60 ,  G06V10/761 ,  G06T2207/20164

Abstract: An electronic device includes: a memory storing at least one instruction; and at least one processor configured to execute the at least one instruction to: change a plurality of non-straight lines in a handwritten image to a plurality of straight lines, identify, based on the plurality of straight lines, a first corner in the handwritten image, identify, based on the first corner, a plurality of spaces in the handwritten image, and obtain a floor map image including the plurality of spaces.

公开(公告)号：US20230334819A1

公开(公告)日：2023-10-19

申请号：US18213073

申请日：2023-06-22

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Dongning HAO ,  Guotao SHEN ,  Xiaoli ZHU ,  Qiang HUANG ,  Longhai WU ,  Jie CHEN

IPC: G06V10/60 ,  G06V10/75 ,  G06T7/70

CPC classification number: G06V10/60 ,  G06V10/757 ,  G06T7/70

Abstract: An illuminant estimation method, including acquiring two image frames, wherein a distance between the two image frames is greater than a predetermined distance; detecting shadows included in the two image frames, extracting pixel feature points corresponding to the shadows, determining point cloud information about the shadows, and distinguishing a point cloud of each shadow based on the point cloud information about the shadows; acquiring point cloud information about multiple objects, and distinguishing a point cloud of each object based on the point cloud information corresponding to the multiple objects; matching the point cloud of the each shadow and the point cloud of the each object in order to determine corresponding shadows associated with the multiple objects; and determining a position of an illuminant according to a positional relation between the multiple objects and the corresponding shadows.

公开(公告)号：US20250039476A1

公开(公告)日：2025-01-30

申请号：US18916139

申请日：2024-10-15

Applicant: Samsung Electronics Co., Ltd.

Inventor： Youxin CHEN ,  Longhai WU ,  Jie CHEN

IPC: H04N21/234 ,  G06T7/00 ,  G06V10/42 ,  H04N21/845

Abstract: The present disclosure discloses a video enhancement method and apparatus. The method includes: segmenting a target video into a plurality of groups of images, the images in the same group belonging to the same scene; determining, for each group of images, a matched video enhancement algorithm using a pre-trained quality assessment model, and performing video enhancement processing on the each group of images using the video enhancement algorithm; and sequentially splicing video enhancement processing results of all groups of images to obtain video enhancement data of the target video. With the present disclosure, the video enhancement processing effect can be improved and the video viewing experience can be improved.

公开(公告)号：US20250005885A1

公开(公告)日：2025-01-02

申请号：US18665133

申请日：2024-05-15

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Xianbing TENG ,  Jiang YU ,  Jianhua BI ,  Youxin CHEN ,  Soonmook JEONG ,  Longhai WU ,  Jie CHEN

IPC: G06V10/26 ,  G06F3/01 ,  G06V10/25

Abstract: An obstacle avoidance playing method includes acquiring human eye position information of a viewer in a playing scene and three-dimensional data of an object in a respective viewing space region; determining a visible region of a display screen based on the human eye position information, the three-dimensional data of the object, and size and position information of the display screen, the visible region corresponding to a portion of the display screen that is unobstructed to the viewer; and displaying image content using (i) a matched obstacle avoidance mode determined based on the visible region and (ii) a preset obstacle avoidance strategy such that the image content is displayed in the visible region.

公开(公告)号：US20230403371A1

公开(公告)日：2023-12-14

申请号：US18206459

申请日：2023-06-06

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Xin JIN ,  Guotao SHIN ,  Youxin CHEN ,  Longhai WU ,  Jie CHEN ,  Jayoon KOO ,  Cheulhee HAHM

IPC: H04N7/01 ,  G06T7/246

CPC classification number: H04N7/014 ,  G06T7/246 ,  H04N7/0127 ,  G06T2207/10016 ,  G06T2207/20084

Abstract: A method for generating a video intermediate frame, including obtaining a target video frame pair; constructing an image pyramid for each video frame in the target video frame pair; and generating an intermediate frame of the target video frame pair by using a bidirectional optical flow estimation model and a pixel synthesis model in a layer-by-layer recursive calling manner according to an order of the image pyramid from a high layer to a low layer based on the image pyramid, wherein the generating of the intermediate frame of the target video frame pair comprising: repairing a bidirectional optical flow corresponding to a previous layer using the bidirectional optical flow estimation model, and repairing a previous intermediate frame corresponding to the previous layer using the pixel synthesis model.

公开(公告)号：US20230281829A1

公开(公告)日：2023-09-07

申请号：US18168209

申请日：2023-02-13

Applicant: Samsung Electronics Co., Ltd.

Inventor： Xin JIN ,  Guotao SHEN ,  Youxin CHEN ,  Longhai WU ,  Jie CHEN ,  Jayoon KOO

IPC: G06T7/20 ,  G06T3/00 ,  G06T3/40

CPC classification number: G06T7/20 ,  G06T3/0093 ,  G06T3/40 ,  G06T2207/20016 ,  G06T2207/20084

Abstract: A bidirectional optical flow estimation method and apparatus are provided. The method includes acquiring a target image pair of which optical flow is to be estimated, and constructing an image pyramid for each target image in the target image pair respectively, and performing bidirectional optical flow estimation using a pre-trained optical flow estimation model based on the image pyramid, to obtain bidirectional optical flow between the target images. An optical flow estimation module in the optical flow estimation model is recursively called to perform the bidirectional optical flow estimation sequentially based on images of respective layers in the image pyramid according to a preset order, forward warping towards middle processing is performed on an image of a corresponding layer of the image pyramid before each call of the optical flow estimation module, and an image of an intermediate frame obtained by the forward warping towards middle processing is inputted into the optical flow estimation module. With the disclosure, the efficiency and generalization of bidirectional optical flow estimation can be improved, and model training and optical flow estimation overheads can be reduced.

公开(公告)号：US20220207653A1

公开(公告)日：2022-06-30

申请号：US17333900

申请日：2021-05-28

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jiang YU ,  Youxin CHEN ,  Longhai WU ,  Jie CHEN

IPC: G06T3/40 ,  G06K9/00 ,  G06T5/00

Abstract: A method for controlling an electronic device is provided. The method includes obtaining an intermediate image by preprocessing an original image, obtaining a saliency feature map of the intermediate image by performing semantic saliency analysis on the intermediate image, performing adaptability calculation according to the saliency feature map and a retargeted target equipment condition, and determining a retargeting mode of the original image according to the result of the adaptability calculation, and performing retargeting processing on the original image according to the determined mode.