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公开(公告)号:US20220277904A1
公开(公告)日:2022-09-01
申请号:US17627591
申请日:2020-07-28
Applicant: LG ELECTRONICS INC.
Inventor: Myeongsoo CHANG , Byungsoo OH , Changhyuck CHOI , Hansol CHOI
Abstract: Provided according to an embodiment are a carbon electrode material and a method for preparing same. The method comprises the steps: mixing a carbon precursor powder, a molding powder, and a metal precursor powder to form a mixed powder; and thermally treating the mixed powder to form a nitrogen-doped carbon composite, wherein: the molding powder includes a metal-organic framework (MOF); the carbon precursor powder is contained in an amount of 10 wt % to 20 wt % on the basis of the total mixed powder; the molding powder is contained in an amount of 50 wt % to 80 wt % on the basis of the total mixed powder; the metal precursor powder is contained in an amount of 0.1 wt % to 5 wt % on the basis of the total mixed powder; and the carbon composite has a monoatomic or nanometer-unit sized metal located therein.
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公开(公告)号:US20240020885A1
公开(公告)日:2024-01-18
申请号:US18036644
申请日:2021-11-23
Applicant: LG ELECTRONICS INC.
Inventor: Sooyeon LEE , Hansol CHOI , Donggyu SIM , Sejin OH
IPC: G06T9/00 , G06T7/60 , H04N19/597
CPC classification number: G06T9/001 , G06T7/60 , H04N19/597
Abstract: A point cloud data transmission method according to embodiments may comprise the steps of: encoding point cloud data; and transmitting a bitstream including the point cloud data. Furthermore, a point cloud data transmission device according to embodiments may comprise: an encoder which encodes point cloud data; and a transmitter which transmits a bitstream including the point cloud data. Furthermore, a point cloud data reception method according to embodiments may comprise the steps of: receiving a bitstream including point cloud data; and decoding the point cloud data. Furthermore, a point cloud data reception device according to embodiments may comprise: a receiver which receives a bitstream including point cloud data; and a decoder which decodes the point cloud data.
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公开(公告)号:US20230291895A1
公开(公告)日:2023-09-14
申请号:US18016771
申请日:2021-07-23
Applicant: LG ELECTRONICS INC.
Inventor: Sooyeon LEE , Sejin OH , Donggyu SIM , Joohyung BYEON , Hansol CHOI
IPC: H04N19/107 , H04N19/136 , H04N19/105 , H04N19/423 , H04N19/13 , H04N19/167 , H04N19/597
CPC classification number: H04N19/107 , H04N19/136 , H04N19/105 , H04N19/423 , H04N19/13 , H04N19/167 , H04N19/597
Abstract: A point cloud data transmission method according to embodiments may comprise the steps of: acquiring point cloud data; encoding geometry information including the positions of points of the point cloud data by applying inter-prediction or intra-prediction; encoding attribute information including attribute values of the points of the point cloud data on the basis of the geometry information by applying the inter-prediction or intra-prediction; and transmitting the encoded geometry information, the encoded attribute information, and signaling information.
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公开(公告)号:US20240373063A1
公开(公告)日:2024-11-07
申请号:US18294892
申请日:2022-08-03
Applicant: LG Electronics Inc.
Inventor: Daehyun KIM , Hanje PARK , Donggyu SIM , Hansol CHOI
IPC: H04N19/597 , G06T7/60 , G06T17/20 , H04N19/70
Abstract: A 3D data transmission method according to embodiments may comprise the steps of: generating a geometry image, an attribute image, an occupancy map, and additional information on the basis of the geometry information and the attribute information included in mesh data; encoding each of the geometry image, the attribute image, the occupancy map, and the additional information; dividing, into a plurality of connection information patches, the connection information included in the mesh data and encoding, as units of divided connection information patches, the connection information included in each connection information patch; and transmitting a bitstream including the encoded geometry image, the encoded attribute image, the encoded occupancy map, the encoded additional information, the encoded connection information, and signaling information.
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公开(公告)号:US20240029312A1
公开(公告)日:2024-01-25
申请号:US18039852
申请日:2021-11-29
Applicant: LG ELECTRONICS INC.
Inventor: Hyunmook OH , Hansol CHOI , Donggyu SIM , Sejin OH
IPC: G06T9/00
CPC classification number: G06T9/001
Abstract: A point cloud data transmission method according to embodiments may comprise the steps of: encoding point cloud data; and transmitting a bitstream including the point cloud data. In addition, a point cloud data transmission device according to embodiments may comprise: an encoder which encodes point cloud data; and a transmitter which transmits a bitstream including the point cloud data. In addition, a point cloud data reception method may comprise the steps of: receiving a bitstream including point cloud data; and decoding the point cloud data. In addition, a point cloud data reception device may comprise: a reception unit which receives a bitstream including point cloud data; and a decoder which decodes the point cloud data.
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