Patents by Inventor Toru Matsunobu

Toru Matsunobu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20190230378
    Abstract: Obtaining one or more motion vector predictor candidates includes: (a1) generating a motion vector predictor candidate, based on motion vectors of first adjacent blocks adjacent to a block to be processed in a first direction; and (a2) generating a motion vector predictor candidate, based on motion vectors of second adjacent blocks adjacent to the block to be processed in a second direction, and step (a2) includes: determining whether the first adjacent blocks include an inter-predicted block; and searching for a motion vector on which scaling processing can be performed from among the motion vectors of the second adjacent blocks when it is determined that the first adjacent blocks do not include an inter-predicted block, and executing, when the motion vector on which scaling processing can be performed is obtained in the search, scaling processing on the motion vector obtained in the search.
    Type: Application
    Filed: March 28, 2019
    Publication date: July 25, 2019
    Inventors: Toshiyasu SUGIO, Takahiro NISHI, Youji SHIBAHARA, Kyoko TANIKAWA, Hisao SASAI, Toru MATSUNOBU, Kengo TERADA
  • Publication number: 20190230351
    Abstract: A moving picture coding method includes: performing context adaptive binary arithmetic coding in which a variable probability value is used, on first information among multiple types of sample adaptive offset (SAO) information used for SAO that is a process of assigning an offset value to a pixel value of a pixel included in an image generated by coding the input image; and continuously performing bypass arithmetic coding in which a fixed probability value is used, on second information and third information among the multiple types of the SAO information, wherein the coded second and third information are placed after the coded first information in the bit stream.
    Type: Application
    Filed: April 4, 2019
    Publication date: July 25, 2019
    Inventors: Hisao SASAI, Kengo TERADA, Youji SHIBAHARA, Kyoko TANIKAWA, Toshiyasu SUGIO, Toru MATSUNOBU
  • Patent number: 10362324
    Abstract: An image coding method for coding an image on a block-by-block basis, includes: selecting, for each of a plurality of sub-blocks included in a coding-target block and each including a plurality of coefficients, a context for performing arithmetic coding on a parameter indicating a coding-target coefficient included in the sub-block from a context set corresponding to the sub-block, based on at least one reference coefficient located around the coding-target coefficient, the coding-target block being a transform unit; and performing arithmetic coding on the parameter indicating the coding-target coefficient using probability information about the selected context, wherein, in the selecting, the context is selected from the context set, the context set corresponding to a sum of (i) a value indicating a position in a horizontal direction of the sub-block in the coding-target block and (ii) a value indicating a position in a vertical direction of the sub-block in the coding-target block.
    Type: Grant
    Filed: September 8, 2017
    Date of Patent: July 23, 2019
    Assignee: SUN PATENT TRUST
    Inventors: Kengo Terada, Takahiro Nishi, Youji Shibahara, Kyoko Tanikawa, Hisao Sasai, Toshiyasu Sugio, Toru Matsunobu
  • Patent number: 10356429
    Abstract: The moving picture coding method for coding an input image includes: converting a value of a first parameter into a first binary signal, the first parameter identifying a type of a sample offset process to be applied to a reconstructed image corresponding to the input image; and coding at least a portion of the first binary signal through bypass arithmetic coding using a fixed probability.
    Type: Grant
    Filed: November 28, 2017
    Date of Patent: July 16, 2019
    Assignee: SUN PATENT TRUST
    Inventors: Kengo Terada, Youji Shibahara, Kyoko Tanikawa, Hisao Sasai, Toshiyasu Sugio, Toru Matsunobu
  • Patent number: 10356183
    Abstract: An image photographing method for sharing a shared image, which is a plurality of images obtained by photographing an identical subject 103 with a plurality of cameras or an image generated from the plurality of images, between a plurality of users of the plurality of cameras, the image photographing method including: judging whether a target camera that is one of the plurality of cameras photographs subject 103 (S401); and allowing a user of the target camera to browse the shared image according to a period in which the target camera photographs subject 103 (S403) when the judgement that the target camera photographs subject 103 is made (Yes in S402).
    Type: Grant
    Filed: November 1, 2016
    Date of Patent: July 16, 2019
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Youji Shibahara, Toshiyasu Sugio, Toru Matsunobu, Yuki Maruyama, Takahiro Nishi
  • Publication number: 20190204076
    Abstract: 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.
    Type: Application
    Filed: March 12, 2019
    Publication date: July 4, 2019
    Inventors: Takahiro NISHI, Tadamasa TOMA, Toshiyasu SUGIO, Toru MATSUNOBU, Satoshi YOSHIKAWA, Tatsuya KOYAMA
  • Publication number: 20190208177
    Abstract: A three-dimensional model generating device includes: a converted image generating unit that, for each of input images included in one or more items of video data and having mutually different viewpoints, generates a converted image from the input image that includes fewer pixels than the input image; a camera parameter estimating unit that detects features in the converted images and estimates, for each of the input images, a camera parameter at a capture time of the input image, based on a pair of similar features between two of the converted images; and a three-dimensional model generating unit that generates a three-dimensional model using the input images and the camera parameters.
    Type: Application
    Filed: March 7, 2019
    Publication date: July 4, 2019
    Inventors: Tatsuya KOYAMA, Toshiyasu SUGIO, Toru MATSUNOBU, Satoshi YOSHIKAWA, Pongsak LASANG, Chi WANG
  • Patent number: 10341652
    Abstract: An image coding method includes: performing Sample SAO processing on Y signal, Cb signal, and Cr signal which are included in a target block; performing arithmetic coding on a first flag indicating whether or not an SAO parameter, which indicates details of the SAO processing, of the target block is identical to an SAO parameter for a left neighboring block immediately left of the target block; and performing arithmetic coding on the SAO parameter for the target block, when the SAO parameter for the target block is different from the SAO parameter for the left neighboring block. In the arithmetic coding on the first flag, a single context is used to perform the arithmetic coding on the first flag for the luminance signal, the chrominance Cb signal, and the chrominance Cr signal.
    Type: Grant
    Filed: November 27, 2017
    Date of Patent: July 2, 2019
    Assignee: SUN PATENT TRUST
    Inventors: Kengo Terada, Youji Shibahara, Kyoko Tanikawa, Hisao Sasai, Toshiyasu Sugio, Toru Matsunobu
  • Publication number: 20190200028
    Abstract: An image coding method includes: coding (i) coefficient information, (ii) a first flag indicating whether to quantize one or more blocks using quantization, (iii) a second flag indicating whether the plurality of quantization matrices are included in a sequence parameter set, and (iv) a third flag indicating whether the plurality of quantization matrices are included in a picture parameter set; and quantizing the plurality of coefficients, wherein when the one or more blocks are quantized using a plurality of default matrices, the following are coded in the coding: (i) the first flag indicating that the one or more blocks are quantized using the plurality of quantization matrices, (ii) the second flag indicating that the plurality of quantization matrices are not included in the sequence parameter set, and (iii) the third flag indicating that the plurality of quantization matrices are not included in the picture parameter set.
    Type: Application
    Filed: March 5, 2019
    Publication date: June 27, 2019
    Inventors: Kengo TERADA, Youji SHIBAHARA, Kyoko TANIKAWA, Hisao SASAI, Toshiyasu SUGIO, Toru MATSUNOBU
  • Patent number: 10334266
    Abstract: An image decoding method includes: dividing a current block into sub-blocks; deriving, for each sub-block, one or more prediction information candidates; obtaining an index; and decoding the current block using the prediction information candidate selected by the index.
    Type: Grant
    Filed: December 22, 2017
    Date of Patent: June 25, 2019
    Assignee: SUN PATENT TRUST
    Inventors: Toshiyasu Sugio, Takahiro Nishi, Youji Shibahara, Kyoko Tanikawa, Hisao Sasai, Toru Matsunobu, Kengo Terada
  • Patent number: 10334280
    Abstract: An image coding method including: binarizing last position information to generate (i) a binary signal which includes a first signal having a length smaller than or equal to a predetermined maximum length and does not include a second signal or (ii) a binary signal which includes the first signal having the predetermined maximum length and the second signal; first coding for arithmetically coding each of binary symbols included in the first signal using a context switched among a plurality of contexts according to a bit position of the binary symbol; and second coding for arithmetically coding the second signal using a fixed probability when the binary signal includes the second signal, wherein in the first coding, a binary symbol at a last bit position of the first signal is arithmetically coded using a context exclusive to the last bit position, when the first signal has the predetermined maximum length.
    Type: Grant
    Filed: June 15, 2017
    Date of Patent: June 25, 2019
    Assignee: TAGIVAN II LLC
    Inventors: Hisao Sasai, Takahiro Nishi, Youji Shibahara, Toshiyasu Sugio, Kyoko Tanikawa, Toru Matsunobu, Kengo Terada
  • Patent number: 10334268
    Abstract: An image coding method includes: selecting a first picture from plural pictures; setting a first temporal motion vector prediction flag which is associated with the first picture and is a temporal motion vector prediction flag indicating whether or not temporal motion vector prediction is to be used, to indicate that the temporal motion vector prediction is not to be used, and coding the first temporal motion vector prediction flag; coding the first picture without using the temporal motion vector prediction; and coding a second picture which follows the first picture in coding order, with referring to a motion vector of a picture preceding the first picture in coding order being prohibited.
    Type: Grant
    Filed: June 21, 2018
    Date of Patent: June 25, 2019
    Assignee: SUN PATENT TRUST
    Inventors: Sue Mon Thet Naing, Chong Soon Lim, Kyaw Kyaw Win, Hai Wei Sun, Viktor Wahadaniah, Takahiro Nishi, Hisao Sasai, Youji Shibahara, Toshiyasu Sugio, Kyoko Tanikawa, Toru Matsunobu, Kengo Terada
  • Publication number: 20190191146
    Abstract: A multiple viewpoint image capturing system includes: a plurality of cameras that capture videos in a predetermined space from different positions; a circumstance sensing unit that senses at least one of circumstances of the respective cameras and circumstances of the predetermined space, and outputs the sensed circumstances in a form of capturing circumstance information; and an event detector that detects a predetermined event based on the capturing circumstance information, determines whether to perform camera calibration in a case of detecting the predetermined event, and outputs camera calibration information that indicates the camera calibration to be performed in a case of determining that the camera calibration is to be performed.
    Type: Application
    Filed: February 25, 2019
    Publication date: June 20, 2019
    Inventors: Tatsuya KOYAMA, Toshiyasu SUGIO, Toru MATSUNOBU, Satoshi YOSHIKAWA
  • Publication number: 20190189006
    Abstract: A three-dimensional information processing method includes: obtaining, via a communication channel, map data that includes first three-dimensional position information; generating second three-dimensional position information from information detected by a sensor; judging whether one of the first three-dimensional position information and the second three-dimensional position information is abnormal by performing, on one of the first three-dimensional position information and the second three-dimensional position information, a process of judging whether an abnormality is present; determining a coping operation to cope with the abnormality when one of the first three-dimensional position information and the second three-dimensional position information is judged to be abnormal; and executing a control that is required to perform the coping operation.
    Type: Application
    Filed: February 22, 2019
    Publication date: June 20, 2019
    Inventors: Tadamasa TOMA, Takahiro NISHI, Toshiyasu SUGIO, Toru MATSUNOBU, Satoshi YOSHIKAWA, Tatsuya KOYAMA
  • Publication number: 20190182492
    Abstract: An image decoding method of decoding, on a block-by-block basis, image data included in a coded stream includes: deriving candidates for an intra prediction mode to be used for intra prediction for a decoding target block, the number of the candidates constantly being a plural number; obtaining, from the coded stream, an index for identifying one of the derived candidates for the intra prediction mode; and determining, based on the obtained index, one of the derived candidates for the intra prediction mode as the intra prediction mode to be used for intra prediction for the decoding target block.
    Type: Application
    Filed: February 13, 2019
    Publication date: June 13, 2019
    Inventors: Hisao SASAI, Takahiro NISHI, Youji SHIBAHARA, Toshiyasu SUGIO, Kyoko TANIKAWA, Toru MATSUNOBU
  • Publication number: 20190182510
    Abstract: The image decoding method includes: determining a context for use in a current block to be processed, from among a plurality of contexts; and performing arithmetic decoding on a bit sequence corresponding to the current block, using the determined context, wherein in the determining: the context is determined under a condition that control parameters of neighboring blocks of the current block are used, when the signal type is a first type, the neighboring blocks being a left block and an upper block of the current block; and the context is determined under a condition that the control parameter of the upper block is not used, when the signal type is a second type, and the second type is “intra_chroma_pred_mode”.
    Type: Application
    Filed: February 4, 2019
    Publication date: June 13, 2019
    Inventors: Hisao SASAI, Takahiro NISHI, Youji SHIBAHARA, Toshiyasu SUGIO, Kyoko TANIKAWA, Toru MATSUNOBU
  • Patent number: 10321133
    Abstract: A moving picture coding apparatus includes an intra-inter prediction unit which calculates a second motion vector by performing a scaling process on a first motion vector of a temporally neighboring corresponding block, when selectively adding, to a list, a motion vector of each of one or more corresponding blocks each of which is either a block included in a current picture to be coded and spatially neighboring a current block to be coded or a block included in a picture other than the current picture and temporally neighboring the current block, determines whether the second motion vector has a magnitude that is within a predetermined magnitude or not within the predetermined magnitude, and adds the second motion vector to the list when the intra-inter prediction unit determines that the second motion vector has a magnitude that is within the predetermined magnitude range.
    Type: Grant
    Filed: November 8, 2016
    Date of Patent: June 11, 2019
    Assignee: Velos Media, LLC
    Inventors: Toshiyasu Sugio, Takahiro Nishi, Youji Shibahara, Kyoko Tanikawa, Hisao Sasai, Toru Matsunobu, Kengo Terada
  • Patent number: 10321152
    Abstract: An image coding method includes: deriving a candidate for a motion vector of a current block from a co-located motion vector; adding the candidate to a list; selecting the motion vector of the current block from the list; and coding the current block, wherein the deriving includes: deriving the candidate by a first derivation scheme in the case of determining that each of a current reference picture and a co-located reference picture is a long-term reference picture; and deriving the candidate by a second derivation scheme in the case of determining that each of the current reference picture and the co-located reference picture is a short-term reference picture.
    Type: Grant
    Filed: November 7, 2013
    Date of Patent: June 11, 2019
    Assignee: SUN PATENT TRUST
    Inventors: Viktor Wahadaniah, Chong Soon Lim, Sue Mon Thet Naing, Hai Wei Sun, Takahiro Nishi, Hisao Sasai, Youji Shibahara, Kyoko Tanikawa, Toshiyasu Sugio, Kengo Terada, Toru Matsunobu
  • Patent number: RE47537
    Abstract: The image decoding method includes: determining a context for use in a current block to be processed, from among a plurality of contexts; and performing arithmetic decoding on a bit sequence corresponding to the current block, using the determined context, wherein in the determining: the context is determined under a condition that control parameters of neighboring blocks of the current block are used, when the signal type is a first type, the neighboring blocks being a left block and an upper block of the current block; and the context is determined under a condition that the control parameter of the upper block is not used, when the signal type is a second type.
    Type: Grant
    Filed: May 31, 2016
    Date of Patent: July 23, 2019
    Assignee: SUN PATENT TRUST
    Inventors: Hisao Sasai, Takahiro Nishi, Youji Shibahara, Toshiyasu Sugio, Kyoko Tanikawa, Toru Matsunobu
  • Patent number: RE47547
    Abstract: The image decoding method includes: determining a context for use in a current block to be processed, from among a plurality of contexts; and performing arithmetic decoding on a bit sequence corresponding to the current block, using the determined context, wherein in the determining: the context is determined under a condition that control parameters of neighboring blocks of the current block are used, when the signal type is a first type, the neighboring blocks being a left block and an upper block of the current block; and the context is determined under a condition that the control parameter of the upper block is not used, when the signal type is a second type.
    Type: Grant
    Filed: May 31, 2016
    Date of Patent: July 30, 2019
    Assignee: SUN PATENT TRUST
    Inventors: Hisao Sasai, Takahiro Nishi, Youji Shibahara, Toshiyasu Sugio, Kyoko Tanikawa, Toru Matsunobu