Patents by Inventor Naoki MOTOHASHI

Naoki MOTOHASHI 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: 12219247
    Abstract: Provided is an imaging device that includes an imaging unit that performs an imaging operation, a data generator that generates first power supply voltage data corresponding to a first power supply voltage and a flag generation section that generates a flag signal for the first power supply voltage by comparing the first power supply voltage data and first reference data. The first power supply voltage is supplied to the imaging unit.
    Type: Grant
    Filed: June 20, 2023
    Date of Patent: February 4, 2025
    Assignee: SONY SEMICONDUCTOR SOLUTIONS CORPORATION
    Inventors: Naoki Kawazu, Keita Sasaki, Takumi Oka, Yuichi Motohashi, Atsushi Suzuki
  • Publication number: 20240320941
    Abstract: A three-dimensional shape processing apparatus includes circuitry to selectively execute one of first correction processing and second correction processing designated by an instruction operation on an instruction-receiving display component. In the first correction processing, correction of three-dimensional shape information is executed based on an input operation. In the second correction processing, the correction of the three-dimensional shape information is executed based on stored processing pre-stored in a memory.
    Type: Application
    Filed: February 16, 2024
    Publication date: September 26, 2024
    Applicant: Ricoh Company, Ltd.
    Inventor: Naoki MOTOHASHI
  • Publication number: 20240312051
    Abstract: A point cloud processing apparatus includes circuitry to identify, based on labeled training data, a predetermined three-dimensional point cloud corresponding to the labeled training data in a target point cloud being a three-dimensional point cloud and determine whether a specific point cloud being a specific three-dimensional point cloud is included in a point cloud being another three-dimensional point cloud obtained by excluding the predetermined three-dimensional point cloud from the target point cloud to obtain a determination result.
    Type: Application
    Filed: March 1, 2024
    Publication date: September 19, 2024
    Applicant: Ricoh Company, Ltd.
    Inventors: Noriyuki SAI, Naoki MOTOHASHI
  • Publication number: 20240111407
    Abstract: A point cloud processing apparatus includes circuitry to generate a selection screen displaying a plurality of options each of which indicates a corresponding one of a plurality of qualities for point cloud processing that is performed on point cloud data representing a three-dimensional point cloud. The circuitry stores, in a memory, a processing result of the point cloud processing performed with one of the plurality of qualities on the point cloud data. The one of the plurality of qualities is a selected one of the plurality of options.
    Type: Application
    Filed: September 22, 2023
    Publication date: April 4, 2024
    Applicant: Ricoh Company, Ltd.
    Inventor: Naoki Motohashi
  • Publication number: 20230222730
    Abstract: A three-dimensional shape generation apparatus includes circuitry configured to generate three-dimensional shape information indicating a three-dimensional shape corresponding to a three-dimensional point group based on multiple sets of model shape information set by a model setting operation and point-group information indicating the three-dimensional point group. The model setting operation received at a reception screen sets the multiple sets of model shape information each indicating a three-dimensional model shape.
    Type: Application
    Filed: December 20, 2022
    Publication date: July 13, 2023
    Inventors: Naoki MOTOHASHI, Kagehiro NAGAO
  • Publication number: 20230222729
    Abstract: A three-dimensional shape generation apparatus includes circuitry configured to perform one of a first processing or a second processing to generate three-dimensional shape information using point-group information indicating three-dimensional point groups as a generation processing based on an instruction operation received at an instruction reception screen, the instruction operation designating one of the first processing or the second processing. The circuitry performs all processes or a part of processes of the generation processing based on an operation input received at the instruction reception screen in response to the instruction operation designating the first processing. The circuitry performs all processes of the generation processing using a stored processing previously stored in a memory without using the operation input received at the instruction reception screen in response to the instruction operation designating the second processing.
    Type: Application
    Filed: November 29, 2022
    Publication date: July 13, 2023
    Inventor: Naoki MOTOHASHI
  • Patent number: 11691585
    Abstract: An image processing apparatus includes one or more processors; and a memory, the memory storing instructions, which when executed by the one or more processors, cause the one or more processors to generate vertical direction distribution data indicating a frequency distribution of distance values with respect to a vertical direction of a range image, from the range image having distance values according to distance of a road surface in a plurality of captured images captured by a plurality of imaging parts; set a search range corresponding to a predetermined reference point in the vertical direction distribution data and extract a plurality of pixels from the search range; and detect a road surface, based on the plurality of extracted pixels.
    Type: Grant
    Filed: September 5, 2018
    Date of Patent: July 4, 2023
    Assignee: RICOH COMPANY, LTD.
    Inventor: Naoki Motohashi
  • Patent number: 10885351
    Abstract: An image processing apparatus includes one or more processors; and a memory, the memory storing instructions, which when executed by the one or more processors, cause the one or more processors to generate vertical direction distribution data indicating a frequency distribution of distance values with respect to a vertical direction of a range image, from the range image having distance values according to distance of a road surface in a plurality of captured images captured by a plurality of imaging parts; estimate a plurality of road surfaces, based on the vertical direction distribution data; and determine a desired road surface, based on the estimated plurality of road surfaces.
    Type: Grant
    Filed: September 11, 2018
    Date of Patent: January 5, 2021
    Assignee: Ricoh Company, Ltd.
    Inventor: Naoki Motohashi
  • Patent number: 10810749
    Abstract: An image processing apparatus includes: a distance histogram information generating means configured to generate distance histogram information representing a frequency distribution of distance values in each of a plurality of row regions obtained by division of a captured image in an up-down direction; and a movement surface information processing means configured to: extract a group of distance values matching a feature represented by distance values of the movement surface for each of a plurality of segments obtained by segmentation of the distance histogram information according to the distance values; execute, for a segment where a group of distance values extracted does not satisfy a predetermined error condition, processing of generating information on the movement surface using the group of distance values; and execute, for a segment where a group of distance values extracted satisfies the predetermined error condition, predetermined error processing without using the group of distance values.
    Type: Grant
    Filed: August 27, 2018
    Date of Patent: October 20, 2020
    Assignee: RICOH COMPANY, LTD.
    Inventors: Shinichi Sumiyoshi, Naoki Motohashi, Toshifumi Yamaai, Sadao Takahashi
  • Patent number: 10762656
    Abstract: An information processing device includes a disparity information input unit configured to acquire disparity image data indicating a disparity image including a disparity; a V map generating unit configured to generate a V map indicating a frequency of the disparity for each of coordinates of the disparity image by voting the disparity at a position corresponding to the coordinate of each of pixels of the disparity image based on the disparity image data; a shape estimating unit configured to estimate a road surface shape based on the V map; a height table generating unit configured to generate a height table indicating a relationship between the disparity and a height of a road surface based on the estimated road surface shape; and a correcting unit configured to correct, based on rolling information on rolling of a stereo camera that acquires the disparity, information used to generate information indicating the road surface shape so as to cancel out an influence of the rolling.
    Type: Grant
    Filed: September 13, 2017
    Date of Patent: September 1, 2020
    Assignee: Ricoh Company, Ltd.
    Inventors: Naoki Motohashi, Sadao Takahashi
  • Patent number: 10755116
    Abstract: An image processing apparatus includes processing circuitry configured to obtain a range image having pixel values corresponding to a distance of an object in a plurality of captured images obtained by capturing the object on a road surface so as to extract pixel values from the range image, generate vertical direction distribution data indicating a frequency distribution of distance values in a vertical direction of the range image based on the extracted pixel values, calculate a height of the road surface in the range image before generation of the vertical direction distribution data is completed, and generate horizontal direction distribution data indicating a frequency distribution of distance values in a horizontal direction of the range image based on the extracted pixel values and the calculated height of the road surface.
    Type: Grant
    Filed: May 22, 2018
    Date of Patent: August 25, 2020
    Assignee: RICOH COMPANY, LTD.
    Inventors: Otoichi Nakata, Shinichi Sumiyoshi, Naoki Motohashi, Sadao Takahashi, Soichiro Yokota, Toshifumi Yamaai
  • Patent number: 10672141
    Abstract: An image processing device includes an input unit, a detecting unit, a calculating unit, and a determining unit. The input unit is configured to receive a recognized image representing an object. The detecting unit is configured to detect at least one surface of the object from a corresponding recognized image corresponding to the recognized image, the corresponding recognized image being on a frequency image indicating frequencies on a plane, the frequencies being of distance values corresponding to pixels of the recognized image. The calculating unit is configured to calculate an angle of the at least one surface with respect to a predetermined direction. The determining unit is configured to determine, based on the at least one surface detected by the detecting unit and the angle calculated by the calculating unit, whether or not the recognized image is to be rejected.
    Type: Grant
    Filed: March 14, 2018
    Date of Patent: June 2, 2020
    Assignee: RICOH COMPANY, LTD.
    Inventors: Naoki Motohashi, Sadao Takahashi
  • Patent number: 10650271
    Abstract: An image processing apparatus includes a processor configured to generate vertical direction distribution data which is a distribution of distance values to a vertical direction of a distance image from the distance image having distance values according to distance of a road surface in captured images. There is an extraction of a pixel having the highest frequency value for each of the distance values from pixels in a search area. There is a detection of the road surface based on each pixel extracted.
    Type: Grant
    Filed: March 8, 2017
    Date of Patent: May 12, 2020
    Assignee: RICOH COMPANY, LTD.
    Inventors: Otoichi Nakata, Naoki Motohashi, Shinichi Sumiyoshi
  • Publication number: 20190279386
    Abstract: An information processing device includes a disparity information input unit configured to acquire disparity image data indicating a disparity image including a disparity; a V map generating unit configured to generate a V map indicating a frequency of the disparity for each of coordinates of the disparity image by voting the disparity at a position corresponding to the coordinate of each of pixels of the disparity image based on the disparity image data; a shape estimating unit configured to estimate a road surface shape based on the V map; a height table generating unit configured to generate a height table indicating a relationship between the disparity and a height of a road surface based on the estimated road surface shape; and a correcting unit configured to correct, based on rolling information on rolling of a stereo camera that acquires the disparity, information used to generate information indicating the road surface shape so as to cancel out an influence of the rolling.
    Type: Application
    Filed: September 13, 2017
    Publication date: September 12, 2019
    Inventors: Naoki MOTOHASHI, Sadao TAKAHASHI
  • Publication number: 20190019044
    Abstract: An image processing apparatus includes one or more processors; and a memory, the memory storing instructions, which when executed by the one or more processors, cause the one or more processors to generate vertical direction distribution data indicating a frequency distribution of distance values with respect to a vertical direction of a range image, from the range image having distance values according to distance of a road surface in a plurality of captured images captured by a plurality of imaging parts; estimate a plurality of road surfaces, based on the vertical direction distribution data; and determine a desired road surface, based on the estimated plurality of road surfaces.
    Type: Application
    Filed: September 11, 2018
    Publication date: January 17, 2019
    Inventor: Naoki MOTOHASHI
  • Publication number: 20190001910
    Abstract: An image processing apparatus includes one or more processors; and a memory, the memory storing instructions, which when executed by the one or more processors, cause the one or more processors to generate vertical direction distribution data indicating a frequency distribution of distance values with respect to a vertical direction of a range image, from the range image having distance values according to distance of a road surface in a plurality of captured images captured by a plurality of imaging parts; set a search range corresponding to a predetermined reference point in the vertical direction distribution data and extract a plurality of pixels from the search range; and detect a road surface, based on the plurality of extracted pixels.
    Type: Application
    Filed: September 5, 2018
    Publication date: January 3, 2019
    Inventor: Naoki Motohashi
  • Publication number: 20180365846
    Abstract: An image processing apparatus includes: a distance histogram information generating means configured to generate distance histogram information representing a frequency distribution of distance values in each of a plurality of row regions obtained by division of a captured image in an up-down direction; and a movement surface information processing means configured to: extract a group of distance values matching a feature represented by distance values of the movement surface for each of a plurality of segments obtained by segmentation of the distance histogram information according to the distance values; execute, for a segment where a group of distance values extracted does not satisfy a predetermined error condition, processing of generating information on the movement surface using the group of distance values; and execute, for a segment where a group of distance values extracted satisfies the predetermined error condition, predetermined error processing without using the group of distance values.
    Type: Application
    Filed: August 27, 2018
    Publication date: December 20, 2018
    Inventors: Shinichi SUMIYOSHI, Naoki MOTOHASHI, Toshifumi YAMAAI, Sadao TAKAHASHI
  • Publication number: 20180268229
    Abstract: An image processing apparatus includes an extracting unit configured to obtain a range image having pixel values corresponding to a distance of an object in a plurality of captured images obtained by capturing the object on a road surface so as to extract pixel values from the range image, a first generating unit configured to generate vertical direction distribution data indicating a frequency distribution of distance values in a vertical direction of the range image based on the extracted pixel values, a calculating unit configured to calculate a height of the road surface in the range image before generation of the vertical direction distribution data is completed, and a second generating unit configured to generate horizontal direction distribution data indicating a frequency distribution of distance values in a horizontal direction of the range image based on the extracted pixel values and the calculated height of the road surface.
    Type: Application
    Filed: May 22, 2018
    Publication date: September 20, 2018
    Inventors: Otoichi NAKATA, Shinichi Sumiyoshi, Naoki Motohashi, Sadao Takahashi, Soichiro Yokota, Toshifumi Yamaai
  • Publication number: 20180204345
    Abstract: An image processing device includes an input unit, a detecting unit, a calculating unit, and a determining unit. The input unit is configured to receive a recognized image representing an object. The detecting unit is configured to detect at least one surface of the object from a corresponding recognized image corresponding to the recognized image, the corresponding recognized image being on a frequency image indicating frequencies on a plane, the frequencies being of distance values corresponding to pixels of the recognized image. The calculating unit is configured to calculate an angle of the at least one surface with respect to a predetermined direction. The determining unit is configured to determine, based on the at least one surface detected by the detecting unit and the angle calculated by the calculating unit, whether or not the recognized image is to be rejected.
    Type: Application
    Filed: March 14, 2018
    Publication date: July 19, 2018
    Inventors: Naoki MOTOHASHI, Sadao TAKAHASHI
  • Publication number: 20170262734
    Abstract: An image processing apparatus includes a processor configured to generate vertical direction distribution data which is a distribution of distance values to a vertical direction of a distance image from the distance image having distance values according to distance of a road surface in captured images. There is an extraction of a pixel having the highest frequency value for each of the distance values from pixels in a search area. There is a detection of the road surface based on each pixel extracted.
    Type: Application
    Filed: March 8, 2017
    Publication date: September 14, 2017
    Inventors: Otoichi NAKATA, Naoki MOTOHASHI, Shinichi SUMIYOSHI