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公开(公告)号：US10863235B2
公开(公告)日：2020-12-08
申请号：US15702367
申请日：2017-09-12
发明人： Eric Yip , Byeong-Doo Choi
IPC分类号： H04N21/44 , H04N13/178 , H04N13/194 , H04N13/117 , H04N13/111 , H04N5/232 , H04N21/41 , H04N21/81 , H04N13/344 , G06F3/0482 , H04N21/4728
摘要： Disclosed is a technology for a sensor network, Machine to Machine (M2M) communication, Machine Type Communication (MTC), and Internet of Things (IoT). The present disclosure can be used for intelligent services based on the technology (services related to smart home, smart building, smart city, smart car, connected car, health care, digital education, retail business, security, and safety). A method of reproducing content by a virtual reality device is provided. The method includes transmitting parameters related to functions of a user device; receiving interest metadata related to content that matches a set of the transmitted parameters; receiving and decoding the content corresponding to a version that matches the set of transmitted parameters in a unit of at least one tile corresponding to a view area to be displayed in accordance with a user's viewpoint based on the interest metadata; and rendering the decoded tile based on the interest metadata.
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公开(公告)号：US10685467B2
公开(公告)日：2020-06-16
申请号：US15702387
申请日：2017-09-12
发明人： Byeong-Doo Choi , Jae-Yun Jeong , Eric Yip
IPC分类号： G06T11/60 , H04N7/18 , H04N5/357 , H04N13/106 , H04N13/204 , H04N13/156 , H04N13/178 , H04N13/194 , H04N5/232 , H04N5/38
摘要： A method for transmitting virtual reality (VR) content by a device is provided. The method includes obtaining at least two images captured from a target, arranging the at least two images and projecting the at least two images onto a planar surface to configure a 360-degree image corresponding to the VR content, detecting an overlapped region of the at least two images projected and generating rearrangement information about the overlapped region, and transmitting the rearrangement information and the at least two images.
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公开(公告)号：US10770032B2
公开(公告)日：2020-09-08
申请号：US15998936
申请日：2017-02-17
发明人： Eric Yip , Byeong-Doo Choi
IPC分类号： G09G5/14 , H04N5/232 , H04N5/262 , H04N5/265 , G06T19/00 , H04N21/81 , H04N19/597 , G09G5/373 , G06T5/00 , G06T5/20
摘要： The present disclosure proposes a solution in which an electronic device configures at least one view window existing in an image frame including a plurality of post-processing areas, identifies a plurality of division areas obtained by dividing the configured view window by the plurality of post-processing areas, obtains a compensation parameter on the basis of the plurality of identified division areas, and processes an image in the view window using the obtained compensation parameter.
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公开(公告)号：US10664948B2
公开(公告)日：2020-05-26
申请号：US16007608
申请日：2018-06-13
发明人： Ji-Hwan Woo , Byeong-Doo Choi , Eric Yip
摘要： A method and apparatus are provided for processing information about an omni-directional image. The method includes generating a first two-dimensional (2D) image projected from a first omni-directional image, by setting points on the first omni-directional image, which intersect a straight line passing through a first position that is a center of the first omni-directional image and a second position that is a center of a second omni-directional image, to a first pole and a second pole, generating a second 2D image projected from the second omni-directional image, by setting points on the second omni-directional image, which intersect the straight line passing through the first position and the second position, to a third pole and a fourth pole, and generating a third 2D image corresponding to a 2D image projected from a third omni-directional image centered in a third position between the first position and the second position, based on the first 2D image and the second 2D image.
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公开(公告)号：US10992918B2
公开(公告)日：2021-04-27
申请号：US16076917
申请日：2017-02-13
发明人： Eric Yip , Byeong-Doo Choi , Jae-Yeon Song
IPC分类号： H04N13/139 , H04N5/232 , H04N13/00 , G06T3/00 , H04N13/194 , H04N13/161
摘要： A communication technique for merging, with an IoT technology, a 5G communication system for supporting a data transmission rate higher than that of a 4G system is provided. The communication technique can be applied to an intelligent service (for example, smart home, smart building, smart city, smart car or connected car, health care, digital education, retail business, and security and safety-related services, and the like) on the basis of a 5G communication technology and an IoT-related technology. A method for processing a 360-degree image is provided. The method includes determining a three-dimensional (3D) model for mapping a 360-degree image; determining a partition size for the 360-degree image; determining a rotational angle for each of the x, y, and z axes of the 360-degree image; determining an interpolation method to be applied when mapping the 360-degree image to a two-dimensional (2D) image; and converting the 360-degree image into the 2D image.
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公开(公告)号：US10972878B2
公开(公告)日：2021-04-06
申请号：US15767897
申请日：2016-10-13
发明人： Hyun-Koo Yang , Kyung-Mo Park , Jae-Hyeon Bae , Young-Wan So , Byeong-Doo Choi
摘要： A method for providing a multimedia service based on unicast, according to the present invention, comprises the steps of: packetizing multimedia data; when a terminal accesses the multimedia service, determining a mode for transmitting the multimedia data to the terminal; generating a signaling message including information on the determined mode, and transmitting the signaling message to the terminal; and transmitting first data among the packetized multimedia data to the terminal on the basis of the determined mode.
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7.发明授权公开(公告)号：US10659778B2
公开(公告)日：2020-05-19
申请号：US15767606
申请日：2016-10-12
发明人： Byeong-Doo Choi , Kyung-Mo Park , Jae-Hyeon Bae , Young-Wan So , Jae-Yeon Song , Hyun-Koo Yang
IPC分类号： H04N19/70 , H04N19/114 , H04N19/33 , H04N21/00 , H04N19/30 , H04N19/169
摘要： The present invention relates to a method of playing back a bitstream for transferring a group of pictures, the method comprising the steps of: parsing, when a random access occurs in a first picture, a network abstraction layer (NAL) unit header of at least one second picture following the first picture and determining a NAL unit type of the at least one second picture; removing the at least one second picture from the bitstream on the basis of the determined NAL unit type; and decoding and displaying the bitstream from which the at least one second picture has been removed.
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公开(公告)号：US10545570B2
公开(公告)日：2020-01-28
申请号：US15966941
申请日：2018-04-30
发明人： Ji-Hwan Woo , Byeong-Doo Choi
摘要： A method for processing virtual reality (VR) content by a content providing device includes identifying cartesian coordinates of a first position on the VR content, estimating a movement of a user of the content providing device, identifying cartesian coordinates of a second position by applying a matrix representing the estimated movement of the user to the cartesian coordinates of the first position, converting the cartesian coordinates of the second position into spherical coordinates of the second position, and providing an area corresponding to the spherical coordinates of the second position to the user.
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公开(公告)号：US11490065B2
公开(公告)日：2022-11-01
申请号：US17238864
申请日：2021-04-23
发明人： Eric Yip , Byeong-Doo Choi , Jae-Yeon Song
IPC分类号： H04N13/139 , H04N5/232 , H04N13/00 , G06T3/00 , H04N13/194 , H04N13/161
摘要： A communication technique for merging, with an IoT technology, a 5G communication system for supporting a data transmission rate higher than that of a 4G system is provided. The communication technique can be applied to an intelligent service (for example, smart home, smart building, smart city, smart car or connected car, health care, digital education, retail business, and security and safety-related services, and the like) on the basis of a 5G communication technology and an IoT-related technology. A method for processing a 360-degree image is provided. The method includes determining a three-dimensional (3D) model for mapping a 360-degree image; determining a partition size for the 360-degree image; determining a rotational angle for each of the x, y, and z axes of the 360-degree image; determining an interpolation method to be applied when mapping the 360-degree image to a two-dimensional (2D) image; and converting the 360-degree image into the 2D image.
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公开(公告)号：US11102263B2
公开(公告)日：2021-08-24
申请号：US15765906
申请日：2016-10-14
发明人： Young-Wan So , Kyung-Mo Park , Jae-Hyeon Bae , Hyun-Koo Yang , Byeong-Doo Choi
IPC分类号： H04L29/06
摘要： Disclosed is a method by which a multimedia device processes a multimedia packet. To this end, a multimedia packet, which comprises a header including a type information field having type information recorded therein, and a payload including data of a type indicated by the type information, is received, and, when it is recognized that null data is not included in the payload by the type information, the data included in the payload may be processed.
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