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).
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Patent number: 11671574Abstract: 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: GrantFiled: December 28, 2021Date of Patent: June 6, 2023Assignee: RICOH COMPANY, LTD.Inventor: Tamon Sadasue
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Publication number: 20220159229Abstract: 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: ApplicationFiled: December 28, 2021Publication date: May 19, 2022Applicant: Ricoh Company, Ltd.Inventor: Tamon SADASUE
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Patent number: 11245888Abstract: 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: GrantFiled: March 18, 2019Date of Patent: February 8, 2022Assignee: RICOH COMPANY, LTD.Inventor: Tamon Sadasue
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Patent number: 11039120Abstract: 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: GrantFiled: January 31, 2018Date of Patent: June 15, 2021Assignee: Ricoh Company, Ltd.Inventors: Soichiro Yokota, Hirokazu Takenaka, Tamon Sadasue
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Patent number: 10992879Abstract: 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: GrantFiled: March 16, 2018Date of Patent: April 27, 2021Assignee: Ricoh Company, Ltd.Inventors: Soichiro Yokota, Hirokazu Takenaka, Tamon Sadasue, Keita Katagiri
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Publication number: 20210058598Abstract: 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: ApplicationFiled: March 18, 2019Publication date: February 25, 2021Inventor: Tamon SADASUE
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Publication number: 20200029025Abstract: 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: ApplicationFiled: March 16, 2018Publication date: January 23, 2020Inventors: Soichiro YOKOTA, Hirokazu TAKENAKA, Tamon SADASUE, Keita KATAGIRI
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Publication number: 20190394447Abstract: 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: ApplicationFiled: January 31, 2018Publication date: December 26, 2019Inventors: Soichiro YOKOTA, Hirokazu TAKENAKA, Tamon SADASUE
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Patent number: 10121040Abstract: 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: GrantFiled: April 26, 2017Date of Patent: November 6, 2018Assignee: Ricoh Company, Ltd.Inventors: Hiroshi Katayama, Koichi Kudo, Toshihiro Okamoto, Tamon Sadasue, Ken Oikawa, Hanako Bando, Daisuke Maeda
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Patent number: 9912427Abstract: 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: GrantFiled: June 29, 2016Date of Patent: March 6, 2018Assignee: Ricoh Company, Ltd.Inventors: Tamon Sadasue, Yasuhiro Kajiwara, Kazuhiro Takazawa, Kazufumi Matsushita, Yasuko Shirataka, Yasuko Hashimoto, Satoshi Aoki
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Patent number: 9846043Abstract: 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: GrantFiled: December 14, 2015Date of Patent: December 19, 2017Assignee: RICOH COMPANY, LTD.Inventors: Satoshi Aoki, Tamon Sadasue, Yasuhiro Kajiwara, Kazuhiro Takazawa, Kazufumi Matsushita, Yasuko Hashimoto, Yasuko Shirataka
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Patent number: 9846966Abstract: 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: GrantFiled: February 2, 2015Date of Patent: December 19, 2017Assignee: RICOH COMPANY, LTD.Inventor: Tamon Sadasue
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Publication number: 20170316241Abstract: 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: ApplicationFiled: April 26, 2017Publication date: November 2, 2017Applicant: Ricoh Company, Ltd.Inventors: Hiroshi Katayama, Koichi Kudo, Toshihiro Okamoto, Tamon Sadasue, Ken Oikawa, Hanako Bando, Daisuke Maeda
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Publication number: 20170019245Abstract: 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: ApplicationFiled: June 29, 2016Publication date: January 19, 2017Applicant: Ricoh Company, Ltd.Inventors: Tamon SADASUE, Yasuhiro KAJIWARA, Kazuhiro TAKAZAWA, Kazufumi MATSUSHITA, Yasuko SHIRATAKA, Yasuko HASHIMOTO, Satoshi AOKI
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Patent number: 9456220Abstract: 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: GrantFiled: July 2, 2015Date of Patent: September 27, 2016Assignee: RICOH COMPANY, LTD.Inventors: Kazuhiro Takazawa, Satoshi Aoki, Yasuhiro Kajiwara, Tamon Sadasue, Kenji Suzuki, Kazufumi Matsushita
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Publication number: 20160196654Abstract: 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: ApplicationFiled: December 14, 2015Publication date: July 7, 2016Applicant: RICOH COMPANY, LTD.Inventors: Satoshi Aoki, Tamon SADASUE, Yasuhiro KAJIWARA, Kazuhiro TAKAZAWA, Kazufumi MATSUSHITA, Yasuko HASHIMOTO, Yasuko SHIRATAKA
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Patent number: 9378558Abstract: 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: GrantFiled: August 29, 2014Date of Patent: June 28, 2016Assignee: RICOH COMPANY, LTD.Inventors: Yasuhiro Kajiwara, Tamon Sadasue, Kenichi Ozawa, Takayuki Saitoh
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Patent number: 9268577Abstract: 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: GrantFiled: August 22, 2013Date of Patent: February 23, 2016Assignee: RICOH COMPANY, LTD.Inventors: Tamon Sadasue, Satoshi Mori, Naoya Ohashi, Satoshi Aoki, Naoya Morita
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Publication number: 20160014429Abstract: 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: ApplicationFiled: July 2, 2015Publication date: January 14, 2016Inventors: Kazuhiro TAKAZAWA, Satoshi AOKI, Yasuhiro KAJIWARA, Tamon SADASUE, Kenji SUZUKI, Kazufumi MATSUSHITA
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Publication number: 20150228122Abstract: 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: ApplicationFiled: February 2, 2015Publication date: August 13, 2015Inventor: Tamon SADASUE