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11.发明申请公开(公告)号：US20130156407A1
公开(公告)日：2013-06-20
申请号：US13713083
申请日：2012-12-13
Inventor： Joo Myoung SEOK , Ji Hun CHA
IPC: H04N5/76
CPC classification number: H04N5/76 , G06F3/013 , H04N5/765 , H04N5/783 , H04N9/7921 , H04N21/44218 , H04N21/6587
Abstract: A progressive video streaming apparatus and method based on a visual perception are provided, and the progressive video streaming apparatus may include a gaze detector to detect gaze information including at least one of a location of a focus and a viewing angle of a user, a video playback quality determiner to determine video playback quality layers, based on the detected gaze information, a progressive streaming receiver to request video data and receive the video data, using a visual perception priority based on the detected gaze information, and a visual perception-based player to play back the received video data, by controlling an interactive delay to be reduced below a selected criterion, while reducing a visually recognized quality change in the received video data below another selected criterion.
Abstract translation: 提供了一种基于视觉感知的逐行视频流式传输设备和方法，并且逐行视频流传输设备可以包括注视检测器，用于检测凝视信息，其包括用户的焦点位置和视角中的至少一个，视频 播放质量确定器，基于检测到的注视信息来确定视频播放质量层，使用基于检测到的注视信息的视觉感知优先级来请求视频数据和接收视频数据的逐行流式接收器，以及基于视觉感知的播放器 通过将交互式延迟降低到低于所选择的标准，同时将所接收的视频数据中的视觉识别的质量变化降低到低于另一个选择的标准，来播放所接收的视频数据。
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Patent Agency Ranking
12.发明申请公开(公告)号：US20250095212A1
公开(公告)日：2025-03-20
申请号：US18883222
申请日：2024-09-12
Inventor： Da Yun NAM , Seong Yong LIM , Hyuk Min KWON , Hyun Cheol KIM , Joo Myoung SEOK
IPC: G06T9/00
Abstract: A method and a device for transmitting and obtaining dynamic 3-dimensional (3D) avatar data are provided. The method for transmitting dynamic 3D avatar data may include generating a plurality of data elements configuring the dynamic 3D avatar data; performing first encoding and transmission for a first data element of the plurality of data elements; and performing second encoding and transmission for a second data element of the plurality of data elements. Each of at least one of the first data element or the second data element may be divided into a plurality of sub-data elements.
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公开(公告)号：US20190141352A1
公开(公告)日：2019-05-09
申请号：US16179616
申请日：2018-11-02
Inventor： Hyun Cheol KIM , Seong Yong LIM , Joo Myoung SEOK
IPC: H04N19/597 , H04N19/119 , H04N19/177 , H04N19/184
Abstract: Disclosed is a 360 virtual reality (VR) video encoding method. A 360 virtual reality (VR) video encoding method according to the present disclosure includes: dividing the 360 VR video into a plurality of regions based on a division structure of the 360 VR video; generating an region sequence using the divided plurality of regions; generating a bitstream for the generated region sequence; and transmitting the generated bitstream, wherein the region sequence comprises regions having a same position in at least one or more frame included in the 360 VR image.
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公开(公告)号：US20190052688A1
公开(公告)日：2019-02-14
申请号：US16166492
申请日：2018-10-22
Inventor： Seong Yong LIM , Joo Myoung SEOK , Sang Woo AHN , Yong Ju CHO , Ji Hun CHA
IPC: H04L29/06
CPC classification number: H04L65/4084 , H04L65/4092 , H04L65/601 , H04L65/608
Abstract: A method of receiving content in a client is provided. The method may include receiving, from a server, a spatial set identifier (ID) corresponding to a tile group including at least one tile, sending, to the server, a request for first content corresponding to metadata, and receiving, from the server, the first content corresponding to the request.
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15.发明申请公开(公告)号：US20180060682A1
公开(公告)日：2018-03-01
申请号：US15662616
申请日：2017-07-28
Inventor： Yong Ju CHO , Soon-heung JUNG , Hyun Cheol KIM , Jeongil SEO , Joo Myoung SEOK , Sangwoo AHN , Seung Jun YANG , Injae LEE , Hee Kyung LEE , Seong Yong LIM
CPC classification number: G06K9/20 , G06K9/00771 , G06K2009/2045 , G06T3/0081 , G06T3/4038 , H04N5/23238 , H04N5/2622 , H04N9/097 , H04N13/225 , H04N13/239 , H04N2013/0088
Abstract: Provided is a parallax minimization stitching method and apparatus using control points in an overlapping region. A parallax minimization stitching method may include defining a plurality of control points in an overlapping region of a first image and a second image received from a plurality of cameras, performing a first geometric correction by applying a homography to the control points, defining a plurality of patches based on the control points, and performing a second geometric correction by mapping the patches.
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16.发明申请METHOD AND APPARATUS FOR STABILIZING PANORAMA VIDEO CAPTURED BASED ON MULTI-CAMERA PLATFORM 审中-公开用于稳定基于多摄像机平台的全景摄像机的方法和装置公开(公告)号：US20150029306A1
公开(公告)日：2015-01-29
申请号：US14044405
申请日：2013-10-02
Applicant: Natural University of Sciences & Technology(NUST) , Electronics and Telecommunications Research Institute
Inventor： Yong Ju CHO , Seong Yong LIM , Joo Myoung SEOK , Myung Seok KI , Ji Hun CHA , Rehan HAFIZ , Muhammad Murtaza KHAN , Ameer HAMZA , Arshad ALI
IPC: H04N5/232
CPC classification number: H04N5/23267 , G06T7/246 , G06T7/33 , G06T2207/20016 , G06T2207/20021 , G06T2207/30241 , H04N5/23238 , H04N5/23254
Abstract: The present invention proposes a method and apparatus for correcting a motion of panorama video captured by a plurality of cameras. The method of the present invention includes performing global motion estimation for estimating smooth motion trajectories from the panorama video, performing global motion correction for correcting a motion in each frame of the estimated smooth motion trajectories, performing local motion correction for correcting a motion of each of the plurality of cameras for the results in which the motions have been corrected, and performing warping on the results on which the local motion correction has been performed.
Abstract translation: 本发明提出了一种用于校正由多个摄像机拍摄的全景视频的运动的方法和装置。 本发明的方法包括执行全局运动估计，以估计来自全景视频的平滑运动轨迹，执行全局运动校正，用于校正估计的平滑运动轨迹的每帧中的运动，执行局部运动校正以校正每个 对于运动已经被校正的结果的多个摄像机，并且对已经执行了局部运动校正的结果进行翘曲。
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