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公开(公告)号：US20210168392A1
公开(公告)日：2021-06-03
申请号：US17154589
申请日：2021-01-21
Inventor： Chi WANG , Pongsak LASANG , Chung Dean HAN , Noritaka IGUCHI , Toshiyasu SUGIO
IPC: H04N19/46 , H04N19/119 , H04N19/184
Abstract: A three-dimensional data encoding method includes: encoding subspaces obtained by dividing a current space which includes three-dimensional points, to generate pieces of encoded data; and generating a bitstream including the pieces of encoded data and first information indicating a shape of each of the subspaces.
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公开(公告)号：US20210166432A1
公开(公告)日：2021-06-03
申请号：US17154406
申请日：2021-01-21
Inventor： Chi WANG , Pongsak LASANG , Chung Dean HAN , Noritaka IGUCHI , Toshiyasu SUGIO
IPC: G06T9/00
Abstract: A three-dimensional data encoding method includes: generating a bitmap for combined three-dimensional data that is a combination of pieces of three-dimensional data, the bitmap indicating which of the pieces of three-dimensional data a three-dimensional point belongs to, the three-dimensional point being a three-dimensional point of the combined three-dimensional data and included in a unit space; generating a conversion code using the bitmap; and generating encoded data including duplicated point information indicating a total number of three-dimensional points included in the unit space, and conversion code information indicating the conversion code. Each of values of the bitmap corresponds to a combination of the conversion code and the total number of the three-dimensional points included in the unit space.
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公开(公告)号：US20210166139A1
公开(公告)日：2021-06-03
申请号：US17152155
申请日：2021-01-19
Inventor： Ryota FUJIMURA , Yohei NAKATA , Sotaro TSUKIZAWA
Abstract: An information processing device includes a processor. The processor obtains a first classification threshold for classifying data into at least one of a plurality of classes, and outputs a classification result of classifying the data into at least one of the plurality of classes based on an output of a trained classification model and the first classification threshold. The first classification threshold is obtained by a second transform performed on a second classification threshold, the second transform being an inverse transform of a first transform. The first transform corresponds to transforming the output of the trained classification model into a classification probability value of each of a plurality of unit classes constituting the plurality of classes. The second classification threshold is set based on the classification probability values of the plurality of unit classes.
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公开(公告)号：US20210160560A1
公开(公告)日：2021-05-27
申请号：US17167174
申请日：2021-02-04
Inventor： Tadamasa TOMA , Noritaka IGUCHI , Hisaya KATOU
IPC: H04N21/262 , H04N21/234 , H04N21/242 , H04N21/8547 , H04N21/858 , H04N21/236 , H04N21/2365 , H04N21/235 , H04N21/84 , H04N21/43
Abstract: A transmitting method according to one aspect of the present disclosure includes transmitting a first stream, the first stream including: timing update identification information id1 indicating whether or not a correspondence relationship between a first reference clock and a second reference clock has been updated, the first reference clock being used to transmit and receive the first stream, and the second reference clock being used to transmit and receive a second stream related to another content to be reproduced in synchronization with the content related to the first stream; a first time according to the first reference clock; and a second time according to the second reference clock, the second time being associated with the first time based on the updated correspondence relationship.
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公开(公告)号：US11018897B2
公开(公告)日：2021-05-25
申请号：US16872881
申请日：2020-05-12
Inventor： Takamitsu Sasaki , Tomoyuki Haga , Manabu Maeda , Hideki Matsushima
Abstract: An electronic control unit connected to a bus of a first network where first-type frames are transmitted following a first communication protocol and a second network where second-type frames are transmitted following a second communication protocol in an onboard network system. The electronic control unit sequentially receives the first-type and the second-type frames from the bus and the second network respectively, and stores in first and second reception buffers, respectively. The electronic control unit sequentially generates first-type data and second-type data by referencing the contents of the first reception buffer and the second reception buffer, and stores the first-type and second-type data in first and second transmission buffers, respectively. The first-type data is traveling control data for a vehicle, and the second-type data is other data. The first-type or second-type data that is priority type data is transmitted with priority.
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Patent Agency Ranking
公开(公告)号：US20210153194A1
公开(公告)日：2021-05-20
申请号：US17129012
申请日：2020-12-21
Inventor： Yoshihiro UJIIE , Yuishi TORISAKI , Tomoyuki HAGA , Hiroyasu TERAZAWA , Ryo KATO
Abstract: A communication device is a communication device connected to a mobility network which is a network mounted in a mobility and which is used by a plurality of electronic control devices for communication. The communication device includes: a holding unit which holds range information indicating a transferable path range determined for a message on the mobility network; a receiving unit which receives the message on the mobility network; and a determining unit which determines validity of the received message by using the range information.
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公开(公告)号：US20210152874A1
公开(公告)日：2021-05-20
申请号：US17158151
申请日：2021-01-26
Inventor： Peter KLENNER , Frank HERRMANN , Tadamasa TOMA
IPC: H04N21/438 , H04N21/238
Abstract: A client receives streaming data according to Moving Picture Experts Group-Dynamic Adaptive Streaming over HTTP (MPEG-DASH) standard. The client includes a transmitter which transmits a Media Presentation Description (MPD) request or a segment request to a server, and a receiver which receives an MPD specified in the MPD request and a segment specified in the segment request. The MPD request contains information requesting transmission of an initialization segment by a push. The receiver receives the initialization segment transmitted by the push.
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公开(公告)号：US20210152842A1
公开(公告)日：2021-05-20
申请号：US17130298
申请日：2020-12-22
Inventor： Takashi HASHIMOTO , Takahiro NISHI , Tadamasa TOMA , Kiyofumi ABE , Ryuichi KANOH
IPC: H04N19/513 , H04N19/105 , H04N19/176
Abstract: A decoder that decodes a current block using a motion vector includes: a processor; and memory. Using the memory, the processor: derives a first candidate vector from one or more candidate vectors of one or more neighboring blocks that neighbor the current block; determines, in a first reference picture for the current block, a first adjacent region that includes a position indicated by the first candidate vector; calculates evaluation values of a plurality of candidate regions included in the first adjacent region; and determines a first motion vector of the current block, based on a first candidate region having a smallest evaluation value among the evaluation values. The first adjacent region is included in a first motion estimation region determined based on the position indicated by the first candidate vector.
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公开(公告)号：US20210150058A1
公开(公告)日：2021-05-20
申请号：US17162464
申请日：2021-01-29
Inventor： Yuji UNAGAMI , Junji MICHIYAMA , Junichiro SOEDA , Yuuki HIROSE , Tetsuji FUCHIKAMI , Motoji OHMORI
IPC: G06F21/62
Abstract: A control method that, in an information management system including a plurality of servers each having a distributed ledger, is executed by a server from among the plurality of servers, includes: receiving first transaction data that includes identification information and permission or non-permission information, the identification information being associated with user information that is managed in the information management system and relates to a first user, the permission or non-permission information indicating whether provision of the user information to a second user is permitted; and storing the first transaction data received, in the distributed ledger in each of the plurality of servers.
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公开(公告)号：US20210149356A1
公开(公告)日：2021-05-20
申请号：US17159714
申请日：2021-01-27
Inventor： Yuji UNAGAMI , Junichiro SOEDA , Junji MICHIYAMA
IPC: G05B19/042
Abstract: A control method according to the present disclosure is executed by a first server of servers in a system including one or more IoT devices and the servers. The method includes: obtaining first transaction data including malfunction information indicating that one of the IoT devices is malfunctioning, and time information indicating a time when the IoT device has obtained the malfunction information; transferring the obtained first transaction data to second servers different from the first server; executing, together with the second servers, a first consensus algorithm for an agreement on an authenticity of the first transaction data; and recording a block containing the first transaction data in a distributed ledger of the first server, when the authenticity of the first transaction data is verified by the first consensus algorithm.
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