Sun Patent Trust

Panasonic Intellectual Property Corporation of America

Panasonic Intellectual Property Management Co., Ltd.

Panasonic Corporation

Tagivan Ii LLC

Velos Media, LLC

Other

Intellectual Property Corporation of America

Velos Media International Limited

Toshiyasu Sugio

Takahiro Nishi

Hisao Sasai

Youji Shibahara

Toru Matsunobu

Kyoko Tanikawa

Kengo Terada

Chong Soon Lim

Viktor Wahadaniah

Noritaka Iguchi

Sue Mon Thet Naing

Hai Wei Sun

Pongsak Lasang

Tatsuya Koyama

Tadamasa Toma

Satoshi Yoshikawa

Chi Wang

Chung Dean Han

Hiroshi Yahata

Daisaku Komiya

Kyaw Kyaw Win

Yoichi Sugino

Masaki Fukuda

Keng Liang Loi

Satoshi Kondo

Daisuke Sato

Yuki Maruyama

Pradit Mittrapiyanuruk

Zheng Wu

Virginie Drugeon

Masato Ohkawa

Kensho Teranishi

David Michael Duffy

Masayasu Iguchi

Christopher John Wright

Jin Li

Yi Xuan Zhang

Bernadette Elliott Bowman

Sheng Mei Shen

Kazuya Takagi

Seiji Higuchi

Teo Han Boon

Zhen Peng Bian

Junichi Fujihira

Natsuki Nagamori

Haiwei Sun

Kyoto Tanikawa

Mikihiro Ouchi

Yasuhisa Inada

Yumiko Kato

Takako Hori

Yoshinori Matsui

Masanori Kimura

Nobuhiko Hashida

Tomoaki Itoh

Kuniaki Isogai

Hiroaki Toida

Jian Gao

Ukyou Katsura

Ryuji Muta

Chisato Yamashita

Tomokazu Ichiriki

Vikto Wahadaniah

Youji Sibahara

Shuuhei Sasakura

Shunsuke Yasugi

Yohei Watakabe

Toru Matsunobo

Nishi Takahiro

Victor Wahadaniah

Sue Mon Naing

A three-dimensional data encoding method includes: generating one or more items of first information each of which is common to two or more frames among a plurality of frames and includes information indicating one or more partial regions included in a frame; generating items of second information each of which is for a different one of the plurality of frames and includes information indicating a feature of a partial point cloud consisting of three-dimensional points of each of the partial regions; and encoding, for each item of data of the partial point cloud, point cloud data of the three-dimensional points. The items of second information include information indicating one of the one or more items of first information.

Three-dimensional data encoding method, three-dimensional data decoding method, three-dimensional data encoding device, and three-dimensional data decoding device

A video encoding method using a plurality of reference pictures includes: selecting whether or not a resilient picture referencing scheme is to be used for encoding video; writing a parameter indicating the selection into a header of an encoded video bitstream; and encoding a picture using inter-picture prediction using a result of the selection.

Video encoding method and video decoding method

A current block included in a current picture included in a coded video stream is decoded by determining a reference picture in the coded video stream, the reference picture being included in one of (i) a first reference picture group of the current block and (ii) a second reference picture group of the current block; selecting a reference motion vector of a reference block in the reference picture such that in situation (A) when the reference block has a first reference motion vector and a second reference motion vector that respectively correspond to the first reference picture group and the second reference picture group, (i) the first reference motion vector is selected when the reference picture is included in the second reference picture group and (ii) the second reference motion vector is selected when the reference picture is included in the first reference picture group, in situation (B) when the reference block has only one reference motion vector, the only reference motion vector is selected, and in situation (C) when the reference block has no reference motion vector, a zero reference motion vector is selected; deriving the motion vector of the current block using the selected one reference motion vector; and decoding the current block using the derived motion vector.

Motion vector calculation method, picture coding method, picture decoding method, motion vector calculation apparatus, and picture coding and decoding apparatus

A decoding method includes: determining a numerical range based on whether intra prediction or inter prediction is to be used to decode encoded first information of a current three-dimensional point; and switching a context between a first context and a second context to entropy-decode the encoded first information, based on whether an absolute value of decoded second information of the current three-dimensional point is included in the numerical range determined.

Decoding method, encoding method, decoding device, and encoding device

A three-dimensional data creation method for use in a vehicle including a sensor and a data receiver that transmits and receives three-dimensional data to and from an external device. The three-dimensional data creation method includes: creating second three-dimensional data based on information detected by the sensor and first three-dimensional data received by the data receiver; and transmitting, to the external device, third three-dimensional data that is part of the second three-dimensional data.

Three-dimensional data generation method and three-dimensional data generation device

A filling rate measurement method includes: obtaining a space three-dimensional model generated by measuring a first storage having an opening and a first storage space in which a measurement target is to be stored, the measuring being performed using a range sensor facing the first storage; obtaining a storage three-dimensional model that is a three-dimensional model of the first storage in which the measurement target is not stored; extracting a target portion corresponding to the measurement target from the space three-dimensional model using the space three-dimensional model and the storage three-dimensional model; calculating a first three-dimensional coordinate system; estimating a target three-dimensional model using the target portion and the first three-dimensional coordinate system, the target three-dimensional model being a three-dimensional model of the measurement target in the first storage space; and calculating a first filling rate of the measurement target with respect to the first storage space.

Filling rate measurement method, information processing device, and recording medium

A calibration method of calibrating, using a processor, parameters of a plurality of imaging apparatuses that capture a common three-dimensional space, includes: obtaining images captured by the plurality of imaging apparatuses; obtaining the parameters of the plurality of imaging apparatuses; for each of the images, generating at least one search window to extract a plurality of feature points of the image using the parameters; for each of the images, extracting the plurality of feature points from an inside of the at least one search window; performing feature point matching between the images using the plurality of feature points; and calibrating the parameters based on a plurality of matching results obtained.

Calibration method and calibration apparatus

A three-dimensional data encoding method includes: encoding a first flag indicating whether a node having a parent node different from a parent node of a current node is to be referred to in encoding of the current node included in an n-ary tree structure of three-dimensional points included in three-dimensional data; selecting a coding table from N coding tables according to occupancy states of neighboring nodes of the current node, and performing arithmetic encoding on information of the current node using the coding table selected, when the first flag indicates that the node is to be referred to; and selecting a coding table from M coding tables according to the occupancy states of the neighboring nodes of the current node, and performing arithmetic encoding on information of the current node using the coding table selected, when the first flag indicates that the node is not to be referred to.

A three-dimensional data encoding method includes: calculating coefficient values from pieces of attribute information of three-dimensional points included in point cloud data; quantizing the coefficient values individually to generate quantized values; and generating a bitstream including the quantized values. Each of the coefficient values belongs to any one of layers. In the quantizing, each of the coefficient values is quantized using a quantization parameter for a layer to which the coefficient value belongs among the layers, and the bitstream includes first information and pieces of second information, the first information indicating a reference quantization parameter, the pieces of second information being for calculating quantization parameters for the layers from the reference quantization parameter.

A three-dimensional data encoding method includes: encoding point cloud data to generate encoded data; and generating a bitstream including the encoded data. The bitstream includes first information indicating a sensor corresponding to the point cloud data.

An image coding method includes: adding, to a candidate list, a first adjacent motion vector as a candidate for a predicted motion vector to be used for coding the current motion vector; selecting the predicted motion vector from the candidate list; and coding the current motion vector, wherein in the adding, the first adjacent motion vector indicating a position in a first reference picture included in a first reference picture list is added to the candidate list for the current motion vector indicating a position in a second reference picture included in a second reference picture list.

Image coding method, image decoding method, image coding apparatus, image decoding apparatus, and image coding and decoding apparatus

A three-dimensional data encoding method includes: encoding, for each of second units, information about positions of three-dimensional points included in a first unit, to generate encoded data items, the second units being smaller than the first unit that is an encoding unit; and outputting the encoded data items. Each of the encoded data items includes no individual additional information. The encoded data items include common additional information. The common additional information includes first information indicating a size of a first encoded data item included in the encoded data items.

A three-dimensional data encoding method includes: generating encoded data by encoding third point cloud data that is a combination of first point cloud data and second point cloud data; and generating a bitstream including the encoded data and control information. The encoded data includes a piece of geometry information and pieces of attribute information of each of three-dimensional points included in the third point cloud data. One of the pieces of attribute information includes first information indicating whether a corresponding one of the three-dimensional points belongs to the first point cloud data or the second point cloud data. The control information includes second information indicating, among the pieces of attribute information, a piece of attribute information including the first information.

A three-dimensional data encoding method includes: encoding geometry information of a plurality of three-dimensional points represented by a tree structure; and generating a bitstream including the geometry information encoded and division number information indicating a total number of divisions of each of a plurality of nodes included in the tree structure. The division number information includes common division number information collectively indicating the total number of divisions of two or more nodes among the plurality of nodes.

A three-dimensional data encoding method includes: generating quantized values by quantizing, using one or more first parameters for one or more groups to which one or more attribute information belong, a coefficient value calculated for each node included in a layered structure of three-dimensional points. At least one attribute information belongs to any of the one or more groups. The calculating includes calculating, using two first coefficient values of two first nodes of a first layer, a second coefficient value of a second node of a second layer which is one layer higher. The quantizing includes: shifting-up the one or more first parameters by N bits (N is a natural number); shifting-down, by one bit, a sum of two second parameters of the two first nodes; shifting-down the result by N bits; and quantizing the second coefficient value using the obtained parameter.

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Osaka, Japan

Toshiyasu Sugio