Patents by Inventor Nobuhiro Oka

Nobuhiro Oka 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: 20230373396
    Abstract: A monitoring system that monitors periphery of a shovel moving on ground and reports a tumble risk of the periphery of the shovel to an operator includes: a risk determination unit configured to determine a tumble risk in a case of movement of the shovel to the periphery based on distance information measured by a first sensor that is mounted on the shovel and measures a distance to a ground object including the ground in the periphery of the shovel and slope information measured by a second sensor measuring a slope of the shovel; and a display video generation unit configured to generate and output an image indicating the tumble risk determined by the risk determination unit.
    Type: Application
    Filed: April 18, 2023
    Publication date: November 23, 2023
    Inventors: MAKIKO MORI, NOBUHIRO OKA, RYUTA SUZUKI
  • Publication number: 20230379445
    Abstract: An image processing device includes a plurality of imaging units each configured to include an optical system and an imaging element that generates a first image signal and a second image signal having a predetermined parallax from an optical image incident through the optical system, a development unit configured to generate a plurality of pieces of image data based on outputs of the plurality of imaging units, a distance data generation unit configured to generate distance data for each pixel of the plurality of pieces of image data based on the first image signal and the second image signal respectively generated by the plurality of imaging units, and a video generation unit configured to generate a virtual viewpoint video viewed from a predetermined virtual viewpoint based on the plurality of pieces of image data and the distance data for each pixel of the plurality of pieces of image data.
    Type: Application
    Filed: May 5, 2023
    Publication date: November 23, 2023
    Inventor: Nobuhiro OKA
  • Patent number: 10282159
    Abstract: The present invention relates to an image transfer system that transmits an image generated by an information processing apparatus to an image displaying apparatus. Upon detecting an instruction for starting the display of information relating to a network group that is formed via a network and includes the image displaying apparatus, the information processing apparatus that is connected to the image displaying apparatus via the network transmits an instruction for causing a group information image including information relating to the network group to be displayed to the image displaying apparatus via the network.
    Type: Grant
    Filed: December 26, 2013
    Date of Patent: May 7, 2019
    Assignee: Canon Kabushiki Kaisha
    Inventor: Nobuhiro Oka
  • Patent number: 10171781
    Abstract: An image signal in which a predetermined calibration pattern is synthesized in an input image is output. Based on the output image signal, transmittance or reflectance of a liquid crystal panel is controlled, and an image is formed. The image is projected by irradiating the liquid crystal panel with light, and the projected image is captured. A calibration pattern is extracted from the captured image. A correction parameter is generated depending on a condition of the extracted calibration pattern. Image capturing timing is controlled so that an image before or after update of transmittance or reflectance of the liquid crystal panel is not mixed in the image captured by an image capturing sensor based on timing at which the transmittance or the reflectance of the liquid crystal panel is updated by a liquid crystal control unit.
    Type: Grant
    Filed: November 7, 2016
    Date of Patent: January 1, 2019
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Nobuhiro Oka
  • Publication number: 20180376031
    Abstract: A projection apparatus which is capable of displaying an OSD from the projection apparatus in an easily viewable manner while maintaining an image quality improving effect. An image is projected on an observed object of a projection surface based on a projected image. A predetermined image is superimposed on the projected image. Pattern color correction is performed for at least an area of the projected image. In a case where an image based on the projected image superimposed with the predetermined image is projected, the pattern color correction is performed for an area of the projected image where the predetermined image is superimposed, whereas the pattern color correction is not performed for another area of the projected image.
    Type: Application
    Filed: June 14, 2018
    Publication date: December 27, 2018
    Inventor: Nobuhiro Oka
  • Publication number: 20180336812
    Abstract: A liquid crystal display apparatus receives illumination light from a light source to a liquid crystal element, displays an image, and includes a gradation converter configured to generate a plurality of subframes by performing different gradation conversion processes for a plurality of input frames that are continuously input, a driver configured to drive the liquid crystal element by controlling an application period of a first voltage and an application period of a second voltage lower than the first voltage for each pixel in the liquid crystal element in accordance with gradation data for each subframe, and a controller configured to provide a light intensity control for each subframe so as to change an intensity of the illumination light or an intensity of display light from the liquid crystal element in accordance with the gradation conversion processing for generating the subframe.
    Type: Application
    Filed: May 11, 2018
    Publication date: November 22, 2018
    Inventors: Nobuhiro Oka, Ikunari Nakahara
  • Publication number: 20170142383
    Abstract: An image signal in which a predetermined calibration pattern is synthesized in an input image is output. Based on the output image signal, transmittance or reflectance of a liquid crystal panel is controlled, and an image is formed. The image is projected by irradiating the liquid crystal panel with light, and the projected image is captured. A calibration pattern is extracted from the captured image. A correction parameter is generated depending on a condition of the extracted calibration pattern. Image capturing timing is controlled so that an image before or after update of transmittance or reflectance of the liquid crystal panel is not mixed in the image captured by an image capturing sensor based on timing at which the transmittance or the reflectance of the liquid crystal panel is updated by a liquid crystal control unit.
    Type: Application
    Filed: November 7, 2016
    Publication date: May 18, 2017
    Inventor: Nobuhiro Oka
  • Patent number: 9568812
    Abstract: An image projection apparatus comprises a projection unit configured to project an image onto a projection plane, a correction unit configured to correct a range of the image projected by the projection unit, a deformation unit configured to deform the projected range of the image according to a designated correction point, and a control unit configured to optically change the projected range of the image projected by the projection unit according to a designation of an outside of a predetermined range as the correction point.
    Type: Grant
    Filed: July 23, 2013
    Date of Patent: February 14, 2017
    Assignee: Canon Kabushiki Kaisha
    Inventor: Nobuhiro Oka
  • Patent number: 9071773
    Abstract: A projection apparatus includes a communication unit, an obtaining unit, a projection unit, a generator, and a controller. The communication unit communicates with an other projection apparatus. The obtaining unit obtains image data and the projection unit projects an image based on the image data obtained by the obtaining unit. The generator generates an on-screen-display (OSD) image. The controller controls the projection unit to project a projection image by superimposing the OSD image onto an image, based on the image data obtained by the obtaining unit, in a stack projection mode in which a projection image of the projection unit and a projection image of the other projection apparatus are projected to be superimposed with each other, and to transmit, to the other projection apparatus, information concerning a position at which the OSD image is superimposed.
    Type: Grant
    Filed: May 16, 2011
    Date of Patent: June 30, 2015
    Assignee: Canon Kabushiki Kaisha
    Inventor: Nobuhiro Oka
  • Patent number: 8870385
    Abstract: A projection apparatus for projecting an input image onto the projection surface includes a correction unit configured to correct distortion of an image to be displayed on the projection surface, a projection unit configured to project an image corrected by the correction unit, a communication unit configured to communicate with an external imaging apparatus, and a control unit configured to control the correction unit, wherein the control unit transmits distortion information concerning distortion of an image to be displayed on the projection surface to the imaging apparatus via the communication unit.
    Type: Grant
    Filed: July 1, 2011
    Date of Patent: October 28, 2014
    Assignee: Canon Kabushiki Kaisha
    Inventor: Nobuhiro Oka
  • Publication number: 20140184474
    Abstract: Upon detecting an instruction for starting the display of information relating to a network group that is formed via a network and includes an image displaying apparatus, an information processing apparatus that is connected to the image displaying apparatus via the network transmits an instruction for causing a group information image including information relating to the network group to be displayed to the image displaying apparatus via the network.
    Type: Application
    Filed: December 26, 2013
    Publication date: July 3, 2014
    Applicant: CANON KABUSHIKI KAISHA
    Inventor: Nobuhiro Oka
  • Publication number: 20140049756
    Abstract: An image projection apparatus comprises a projection unit configured to project an image onto a projection plane, a correction unit configured to correct a range of the image projected by the projection unit, a deformation unit configured to deform the projected range of the image according to a designated correction point, and a control unit configured to optically change the projected range of the image projected by the projection unit according to a designation of an outside of a predetermined range as the correction point.
    Type: Application
    Filed: July 23, 2013
    Publication date: February 20, 2014
    Applicant: CANON KABUSHIKI KAISHA
    Inventor: Nobuhiro Oka
  • Patent number: 8529069
    Abstract: A projection apparatus which projects an image onto a projection plane based on an input image signal, the apparatus comprises: a division unit configured to divide an image represented by the input image signal into a plurality of regions; a deformation unit configured to deform various types of shapes of the images divided by the division unit; a combination unit configured to combine the images deformed by the deformation unit; and a projection unit configured to project the image combined by the combination unit onto the projection plane.
    Type: Grant
    Filed: April 21, 2011
    Date of Patent: September 10, 2013
    Assignee: Canon Kabushiki Kaisha
    Inventor: Nobuhiro Oka
  • Publication number: 20120008101
    Abstract: A projection apparatus for projecting an input image onto the projection surface includes a correction unit configured to correct distortion of an image to be displayed on the projection surface, a projection unit configured to project an image corrected by the correction unit, a communication unit configured to communicate with an external imaging apparatus, and a control unit configured to control the correction unit, wherein the control unit transmits distortion information concerning distortion of an image to be displayed on the projection surface to the imaging apparatus via the communication unit.
    Type: Application
    Filed: July 1, 2011
    Publication date: January 12, 2012
    Applicant: CANON KABUSHIKI KAISHA
    Inventor: Nobuhiro Oka
  • Publication number: 20110292080
    Abstract: A projection apparatus includes a communication unit, an obtaining unit, a projection unit, a generator, and a controller. The communication unit communicates with an other projection apparatus. The obtaining unit obtains image data and the projection unit projects an image based on the image data obtained by the obtaining unit. The generator generates an on-screen-display (OSD) image. The controller controls the projection unit to project a projection image by superimposing the OSD image onto an image, based on the image data obtained by the obtaining unit, in a stack projection mode in which a projection image of the projection unit and a projection image of the other projection apparatus are projected to be superimposed with each other, and to transmit, to the other projection apparatus, information concerning a position at which the OSD image is superimposed.
    Type: Application
    Filed: May 16, 2011
    Publication date: December 1, 2011
    Applicant: CANON KABUSHIKI KAISHA
    Inventor: Nobuhiro Oka
  • Publication number: 20110285971
    Abstract: A projection apparatus which projects an image onto a projection plane based on an input image signal, the apparatus comprises: a division unit configured to divide an image represented by the input image signal into a plurality of regions; a deformation unit configured to deform various types of shapes of the images divided by the division unit; a combination unit configured to combine the images deformed by the deformation unit; and a projection unit configured to project the image combined by the combination unit onto the projection plane.
    Type: Application
    Filed: April 21, 2011
    Publication date: November 24, 2011
    Applicant: CANON KABUSHIKI KAISHA
    Inventor: Nobuhiro Oka