Patents by Inventor Tamon Sadasue

Tamon Sadasue 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).

  • Patent number: 11671574
    Abstract: An information processing apparatus includes an acquisition unit configured to acquire a plurality of captured images of a traveling surface where a movable apparatus travels, each of the captured images including distance information in a depth direction transverse to the traveling surface, the plurality of captured images having been captured using a plurality of stereo image capture devices, and an image processing unit configured to stitch together the plurality of images of the traveling surface captured by the plurality of stereo image capture devices by identifying partially overlapping portions of one or more pairs of the images captured by respective stereo image capture devices which are adjacent in a width direction of the traveling surface.
    Type: Grant
    Filed: December 28, 2021
    Date of Patent: June 6, 2023
    Assignee: RICOH COMPANY, LTD.
    Inventor: Tamon Sadasue
  • Publication number: 20220159229
    Abstract: An information processing apparatus includes an acquisition unit configured to acquire a plurality of captured images of a traveling surface where a movable apparatus travels, each of the captured images including distance information in a depth direction transverse to the traveling surface, the plurality of captured images having been captured using a plurality of stereo image capture devices, and an image processing unit configured to stitch together the plurality of images of the traveling surface captured by the plurality of stereo image capture devices by identifying partially overlapping portions of one or more pairs of the images captured by respective stereo image capture devices which are adjacent in a width direction of the traveling surface.
    Type: Application
    Filed: December 28, 2021
    Publication date: May 19, 2022
    Applicant: Ricoh Company, Ltd.
    Inventor: Tamon SADASUE
  • Patent number: 11245888
    Abstract: An information processing apparatus includes an acquisition unit configured to acquire a plurality of captured images of a traveling surface where a movable apparatus travels, each of the captured images including distance information in a depth direction transverse to the traveling surface, the plurality of captured images having been captured using a plurality of stereo image capture devices, and an image processing unit configured to stitch together the plurality of images of the traveling surface captured by the plurality of stereo image capture devices by identifying partially overlapping portions of one or more pairs of the images captured by respective stereo image capture devices which are adjacent in a width direction of the traveling surface.
    Type: Grant
    Filed: March 18, 2019
    Date of Patent: February 8, 2022
    Assignee: RICOH COMPANY, LTD.
    Inventor: Tamon Sadasue
  • Patent number: 11039120
    Abstract: An imaging apparatus includes a plurality of imaging bodies and an imaging control unit. Each of the imaging bodies includes a first optical element capable of imaging a range including a hemisphere that is centered at an optical axis and oriented in a first direction of the optical axis, and a second optical element capable of imaging a range including a hemisphere that is centered at the optical axis and oriented in a second direction opposite to the first direction. The imaging bodies are arrayed in a direction perpendicular to the optical axis. The imaging control unit causes the plurality of imaging bodies to perform imaging in a synchronous manner, and acquires a captured image from each of the imaging bodies.
    Type: Grant
    Filed: January 31, 2018
    Date of Patent: June 15, 2021
    Assignee: Ricoh Company, Ltd.
    Inventors: Soichiro Yokota, Hirokazu Takenaka, Tamon Sadasue
  • Patent number: 10992879
    Abstract: An imaging system includes a plurality of imaging bodies, a moving part, and an imaging control unit. Each of the imaging bodies includes a first optical element that images a range containing a hemisphere that is centered at an optical axis and oriented in a first direction of the optical axis, and a second optical element that images a range containing a hemisphere that is centered at the optical axis and oriented in a second direction opposite to the first direction. The imaging bodies is arranged in a direction orthogonal to the optical axis. The moving part moves the imaging bodies on a straight line. The imaging control unit is configured to cause the imaging bodies to perform imaging in synchronization with each other, and acquire a taken image from each of the imaging bodies.
    Type: Grant
    Filed: March 16, 2018
    Date of Patent: April 27, 2021
    Assignee: Ricoh Company, Ltd.
    Inventors: Soichiro Yokota, Hirokazu Takenaka, Tamon Sadasue, Keita Katagiri
  • Publication number: 20210058598
    Abstract: An information processing apparatus includes an acquisition unit configured to acquire a plurality of captured images of a traveling surface where a movable apparatus travels, each of the captured images including distance information in a depth direction transverse to the traveling surface, the plurality of captured images having been captured using a plurality of stereo image capture devices, and an image processing unit configured to stitch together the plurality of images of the traveling surface captured by the plurality of stereo image capture devices by identifying partially overlapping portions of one or more pairs of the images captured by respective stereo image capture devices which are adjacent in a width direction of the traveling surface.
    Type: Application
    Filed: March 18, 2019
    Publication date: February 25, 2021
    Inventor: Tamon SADASUE
  • Publication number: 20200029025
    Abstract: An imaging system includes a plurality of imaging bodies, a moving part, and an imaging control unit. Each of the imaging bodies includes a first optical element that images a range containing a hemisphere that is centered at an optical axis and oriented in a first direction of the optical axis, and a second optical element that images a range containing a hemisphere that is centered at the optical axis and oriented in a second direction opposite to the first direction. The imaging bodies is arranged in a direction orthogonal to the optical axis. The moving part moves the imaging bodies on a straight line. The imaging control unit is configured to cause the imaging bodies to perform imaging in synchronization with each other, and acquire a taken image from each of the imaging bodies.
    Type: Application
    Filed: March 16, 2018
    Publication date: January 23, 2020
    Inventors: Soichiro YOKOTA, Hirokazu TAKENAKA, Tamon SADASUE, Keita KATAGIRI
  • Publication number: 20190394447
    Abstract: An imaging apparatus includes a plurality of imaging bodies and an imaging control unit. Each of the imaging bodies includes a first optical element capable of imaging a range including a hemisphere that is centered at an optical axis and oriented in a first direction of the optical axis, and a second optical element capable of imaging a range including a hemisphere that is centered at the optical axis and oriented in a second direction opposite to the first direction. The imaging bodies are arrayed in a direction perpendicular to the optical axis. The imaging control unit causes the plurality of imaging bodies to perform imaging in a synchronous manner, and acquires a captured image from each of the imaging bodies.
    Type: Application
    Filed: January 31, 2018
    Publication date: December 26, 2019
    Inventors: Soichiro YOKOTA, Hirokazu TAKENAKA, Tamon SADASUE
  • Patent number: 10121040
    Abstract: A recognition apparatus includes one or more processors, a memory to store a plurality of instructions which, when executed by the processors, cause the processors to extract an optically-readable symbol from an optically captured image including an image of the optically-readable symbol, the optically-readable symbol including a first cell line having a plurality of first cells, and one or more second cell lines each having one or more second cells, each of the one or more second cell lines connected to respective ones of the plurality of first cells of the first cell line, recognize first information expressed by the first cell line included in the extracted optically-readable symbol, recognize second information expressed by the one or more second cell lines included in the extracted optically-readable symbol, and acquire identification information included in the optically-readable symbol based at least in part on the first information and the second information.
    Type: Grant
    Filed: April 26, 2017
    Date of Patent: November 6, 2018
    Assignee: Ricoh Company, Ltd.
    Inventors: Hiroshi Katayama, Koichi Kudo, Toshihiro Okamoto, Tamon Sadasue, Ken Oikawa, Hanako Bando, Daisuke Maeda
  • Patent number: 9912427
    Abstract: A reception apparatus for receiving data from a transmission apparatus includes a data receiver configured to receive a synchronization packet including clock information generated by the transmission apparatus and data from the transmission apparatus, a storage memory, storing the received data, a clock adjuster configured to correct a clock of the reception apparatus based on a deviation between a clock of the transmission apparatus and the clock of the reception apparatus by using the clock information generated by the transmission apparatus, a controller configured to control a clock correction amount of the clock adjuster based on a storage amount of data in the storage memory, and a data output circuit configured to retrieve the data from the storage memory to output the retrieved data in synchronization with the corrected clock.
    Type: Grant
    Filed: June 29, 2016
    Date of Patent: March 6, 2018
    Assignee: Ricoh Company, Ltd.
    Inventors: Tamon Sadasue, Yasuhiro Kajiwara, Kazuhiro Takazawa, Kazufumi Matsushita, Yasuko Shirataka, Yasuko Hashimoto, Satoshi Aoki
  • Patent number: 9846043
    Abstract: A map creation apparatus includes an image receiver configured to receive images in time series while moving; a first calculator configured to extract an image area indicating an object from the images and calculate a coordinate of the object in a world coordinate system; a second calculator configured to track the object in the extracted image area with the images and calculate an optical flow of the object; an eliminator configured to calculate a difference in coordinate between vanishing points generated by the movement of the image receiver and the object based on the optical flow, and eliminate the image area of the object from the images when determining the object as a moving object based on the calculated difference; and a storage controller configured to store map information including the coordinate of the object, not eliminated by the moving object eliminator, in the world coordinate system.
    Type: Grant
    Filed: December 14, 2015
    Date of Patent: December 19, 2017
    Assignee: RICOH COMPANY, LTD.
    Inventors: Satoshi Aoki, Tamon Sadasue, Yasuhiro Kajiwara, Kazuhiro Takazawa, Kazufumi Matsushita, Yasuko Hashimoto, Yasuko Shirataka
  • Patent number: 9846966
    Abstract: An image processing device includes: an augmented-reality marker detecting unit that detects, from a captured image, an augmented reality marker indicating that a virtual object is to be displayed; an operation-marker detecting unit that detects, from the captured image, an area of an operation marker that is provided so as to correspond to the augmented reality marker; an operation detecting unit that detects, from the area of the operation marker, a user's operation on the operation marker; a virtual-object control unit that deforms a virtual object corresponding to the augmented reality marker in accordance with the user's operation; and a drawing unit that draws the deformed virtual object in the captured image in a superimposed manner.
    Type: Grant
    Filed: February 2, 2015
    Date of Patent: December 19, 2017
    Assignee: RICOH COMPANY, LTD.
    Inventor: Tamon Sadasue
  • Publication number: 20170316241
    Abstract: A recognition apparatus includes one or more processors, a memory to store a plurality of instructions which, when executed by the processors, cause the processors to extract an optically-readable symbol from an optically captured image including an image of the optically-readable symbol, the optically-readable symbol including a first cell line having a plurality of first cells, and one or more second cell lines each having one or more second cells, each of the one or more second cell lines connected to respective ones of the plurality of first cells of the first cell line, recognize first information expressed by the first cell line included in the extracted optically-readable symbol, recognize second information expressed by the one or more second cell lines included in the extracted optically-readable symbol, and acquire identification information included in the optically-readable symbol based at least in part on the first information and the second information.
    Type: Application
    Filed: April 26, 2017
    Publication date: November 2, 2017
    Applicant: Ricoh Company, Ltd.
    Inventors: Hiroshi Katayama, Koichi Kudo, Toshihiro Okamoto, Tamon Sadasue, Ken Oikawa, Hanako Bando, Daisuke Maeda
  • Publication number: 20170019245
    Abstract: A reception apparatus for receiving data from a transmission apparatus includes a data receiver configured to receive a synchronization packet including clock information generated by the transmission apparatus and data from the transmission apparatus, a storage memory, storing the received data, a clock adjuster configured to correct a clock of the reception apparatus based on a deviation between a clock of the transmission apparatus and the clock of the reception apparatus by using the clock information generated by the transmission apparatus, a controller configured to control a clock correction amount of the clock adjuster based on a storage amount of data in the storage memory, and a data output circuit configured to retrieve the data from the storage memory to output the retrieved data in synchronization with the corrected clock.
    Type: Application
    Filed: June 29, 2016
    Publication date: January 19, 2017
    Applicant: Ricoh Company, Ltd.
    Inventors: Tamon SADASUE, Yasuhiro KAJIWARA, Kazuhiro TAKAZAWA, Kazufumi MATSUSHITA, Yasuko SHIRATAKA, Yasuko HASHIMOTO, Satoshi AOKI
  • Patent number: 9456220
    Abstract: An image coding device encodes image data in units of encoding line number that is number of lines necessary for implementing encoding. The image coding device includes: an image-data transforming unit that transforms image data of lines, number of which is smaller than the encoding-line number, into to-be-encoded image data of the encoding-line number of lines; and an encoding unit that encodes the to-be-encoded image data.
    Type: Grant
    Filed: July 2, 2015
    Date of Patent: September 27, 2016
    Assignee: RICOH COMPANY, LTD.
    Inventors: Kazuhiro Takazawa, Satoshi Aoki, Yasuhiro Kajiwara, Tamon Sadasue, Kenji Suzuki, Kazufumi Matsushita
  • Publication number: 20160196654
    Abstract: A map creation apparatus includes an image receiver configured to receive images in time series while moving; a first calculator configured to extract an image area indicating an object from the images and calculate a coordinate of the object in a world coordinate system; a second calculator configured to track the object in the extracted image area with the images and calculate an optical flow of the object; an eliminator configured to calculate a difference in coordinate between vanishing points generated by the movement of the image receiver and the object based on the optical flow, and eliminate the image area of the object from the images when determining the object as a moving object based on the calculated difference; and a storage controller configured to store map information including the coordinate of the object, not eliminated by the moving object eliminator, in the world coordinate system.
    Type: Application
    Filed: December 14, 2015
    Publication date: July 7, 2016
    Applicant: RICOH COMPANY, LTD.
    Inventors: Satoshi Aoki, Tamon SADASUE, Yasuhiro KAJIWARA, Kazuhiro TAKAZAWA, Kazufumi MATSUSHITA, Yasuko HASHIMOTO, Yasuko SHIRATAKA
  • Patent number: 9378558
    Abstract: An information processing apparatus includes a self-position/self-orientation calculation unit calculating self-position and/or self-orientation in the predetermined coordinate system based on a marker in acquired imaged image data when it is determined that the marker exists within a predetermined area and the marker is imaged in the imaged image data and based on received position information and physical amounts measured by sensors for measuring the physical amounts to be used for autonomous navigation when the marker does not exist within the predetermined area or the marker is not imaged in the imaged image data.
    Type: Grant
    Filed: August 29, 2014
    Date of Patent: June 28, 2016
    Assignee: RICOH COMPANY, LTD.
    Inventors: Yasuhiro Kajiwara, Tamon Sadasue, Kenichi Ozawa, Takayuki Saitoh
  • Patent number: 9268577
    Abstract: An information processing apparatus includes a processor that executes an instruction stored in a fixed address area in a storage part; the storage part that stores a first startup program and a second startup program, contents of the second startup program being different at least partially from those of the first startup program; and an address conversion part that, when the processor carries out a predetermined startup different from an ordinary startup that is carried out at a time of starting power supply to the information processing apparatus, converts an address included in a read instruction issued by the processor indicating a storage area that stores the first startup program into an address indicating an other storage area that stores the second startup program, and sends the converted address to the storage part.
    Type: Grant
    Filed: August 22, 2013
    Date of Patent: February 23, 2016
    Assignee: RICOH COMPANY, LTD.
    Inventors: Tamon Sadasue, Satoshi Mori, Naoya Ohashi, Satoshi Aoki, Naoya Morita
  • Publication number: 20160014429
    Abstract: An image coding device encodes image data in units of encoding line number that is number of lines necessary for implementing encoding. The image coding device includes: an image-data transforming unit that transforms image data of lines, number of which is smaller than the encoding-line number, into to-be-encoded image data of the encoding-line number of lines; and an encoding unit that encodes the to-be-encoded image data.
    Type: Application
    Filed: July 2, 2015
    Publication date: January 14, 2016
    Inventors: Kazuhiro TAKAZAWA, Satoshi AOKI, Yasuhiro KAJIWARA, Tamon SADASUE, Kenji SUZUKI, Kazufumi MATSUSHITA
  • Publication number: 20150228122
    Abstract: An image processing device includes: an augmented-reality marker detecting unit that detects, from a captured image, an augmented reality marker indicating that a virtual object is to be displayed; an operation-marker detecting unit that detects, from the captured image, an area of an operation marker that is provided so as to correspond to the augmented reality marker; an operation detecting unit that detects, from the area of the operation marker, a user's operation on the operation marker; a virtual-object control unit that deforms a virtual object corresponding to the augmented reality marker in accordance with the user's operation; and a drawing unit that draws the deformed virtual object in the captured image in a superimposed manner.
    Type: Application
    Filed: February 2, 2015
    Publication date: August 13, 2015
    Inventor: Tamon SADASUE