Patents by Inventor Yoshinao Kawai

Yoshinao Kawai 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: 11881104
    Abstract: An object detection apparatus includes an input port that receives information on a plurality of objects in surroundings of a vehicle and information on a traffic environment of the vehicle, the plurality of objects being detected by a sensor installed on the vehicle, a controller that determines, based on the information on the plurality of objects and the information on the traffic environment, priority for each of the plurality of objects and determines first information based on the priority in a case where the total amount of information on the plurality of objects is greater than a determined value, the first information being information on part of the plurality of objects, and an output port that outputs the first information to an in-vehicle apparatus that controls the vehicle.
    Type: Grant
    Filed: August 27, 2020
    Date of Patent: January 23, 2024
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Yoshinao Kawai, Yasumichi Takai
  • Publication number: 20240007727
    Abstract: A depth acquisition device includes memory and processor performing: acquiring, from the memory, intensities of infrared light emitted from a light source and measured by imaging with the infrared light reflected on a subject by pixels in an imaging element; generating a depth image by calculating a distance to the subject as a depth for each pixel based on an intensity received by the pixel; acquiring, from the memory, a visible light image generated by imaging, with visible light, a substantially same scene with a substantially same viewpoint and at a substantially same timing as those of imaging the infrared light image; detecting, from the visible light image, an edge region including an edge along a direction perpendicular to a direction of movement of the visible light image; and correcting, in the depth image, a depth of a target region corresponding to the edge region in the depth image.
    Type: Application
    Filed: July 26, 2023
    Publication date: January 4, 2024
    Inventors: Takeo AZUMA, Satoshi SATO, Nobuhiko WAKAI, Kohsuke YOSHIOKA, Noritaka SHIMIZU, Yoshinao KAWAI, Takaaki AMADA, Yoko KAWAI, Takeshi MURAI, Hiroki TAKEUCHI
  • Patent number: 11758247
    Abstract: A depth acquisition device includes memory and processor performing: acquiring, from the memory, intensities of infrared light emitted from a light source and measured by imaging with the infrared light reflected on a subject by pixels in an imaging element; generating a depth image by calculating a distance to the subject as a depth for each pixel based on an intensity received by the pixel; acquiring, from the memory, a visible light image generated by imaging, with visible light, a substantially same scene with a substantially same viewpoint and at a substantially same timing as those of imaging the infrared light image; detecting, from the visible light image, an edge region including an edge along a direction perpendicular to a direction of movement of the visible light image; and correcting, in the depth image, a depth of a target region corresponding to the edge region in the depth image.
    Type: Grant
    Filed: January 21, 2021
    Date of Patent: September 12, 2023
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD
    Inventors: Takeo Azuma, Satoshi Sato, Nobuhiko Wakai, Kohsuke Yoshioka, Noritaka Shimizu, Yoshinao Kawai, Takaaki Amada, Yoko Kawai, Takeshi Murai, Hiroki Takeuchi
  • Publication number: 20230215029
    Abstract: A depth acquisition device includes a memory and a processor. The processor performs: acquiring timing information indicating a timing at which a light source irradiates a subject with infrared light; acquiring, from the memory, an infrared light image generated by imaging a scene including the subject with the infrared light according to the timing indicated by the timing information; acquiring, from the memory, a visible light image generated by imaging a substantially same scene as the scene of the infrared light image, with visible light from a substantially same viewpoint as a viewpoint of imaging the infrared light image at a substantially same time as a time of imaging the infrared light image; detecting a flare region from the infrared light image; and estimating a depth of the flare region based on the infrared light image, the visible light image, and the flare region.
    Type: Application
    Filed: March 9, 2023
    Publication date: July 6, 2023
    Inventors: Satoshi SATO, Takeo AZUMA, Nobuhiko WAKAI, Kohsuke YOSHIOKA, Noritaka SHIMIZU, Yoshinao KAWAI, Takaaki AMADA, Yoko KAWAI, Takeshi MURAI, Hiroki TAKEUCHI
  • Patent number: 11636615
    Abstract: A depth acquisition device includes a memory and a processor. The processor performs: acquiring timing information indicating a timing at which a light source irradiates a subject with infrared light; acquiring, from the memory, an infrared light image generated by imaging a scene including the subject with the infrared light according to the timing indicated by the timing information; acquiring, from the memory, a visible light image generated by imaging a substantially same scene as the scene of the infrared light image, with visible light from a substantially same viewpoint as a viewpoint of imaging the infrared light image at a substantially same time as a time of imaging the infrared light image; detecting a flare region from the infrared light image; and estimating a depth of the flare region based on the infrared light image, the visible light image, and the flare region.
    Type: Grant
    Filed: January 28, 2021
    Date of Patent: April 25, 2023
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Satoshi Sato, Takeo Azuma, Nobuhiko Wakai, Kohsuke Yoshioka, Noritaka Shimizu, Yoshinao Kawai, Takaaki Amada, Yoko Kawai, Takeshi Murai, Hiroki Takeuchi
  • Patent number: 11514595
    Abstract: A depth acquisition device includes a memory and a processor. The processor performs; acquiring timing information indicating a timing at which a light source irradiates a subject with infrared light; acquiring an infrared light image stored in the memory, the infrared light image being generated by imaging a scene including the subject with the infrared light according to the timing indicated by the timing information; acquiring a visible light image stored in the memory, the visible light image being generated by imaging a substantially same scene as that of the infrared light image, with visible light from a substantially same viewpoint and at a substantially same imaging time of those of the infrared light image; detecting a dust region showing dust from the infrared light image; and estimating a depth of the dust region based on the infrared light image, the visible light image, and the dust region.
    Type: Grant
    Filed: January 25, 2021
    Date of Patent: November 29, 2022
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Satoshi Sato, Takeo Azuma, Nobuhiko Wakai, Kohsuke Yoshioka, Noritaka Shimizu, Yoshinao Kawai, Takaaki Amada, Yoko Kawai, Takeshi Murai, Hiroki Takeuchi
  • Patent number: 11373324
    Abstract: A depth acquisition device includes a memory and a processor performing: acquiring, from the memory, intensities of infrared light measured by imaging with infrared light emitted from a light source and reflected on a subject by pixels in an imaging element; generating a depth image by calculating the distance for each pixel based on the intensities; acquiring, from the memory, a visible light image generated by imaging, with visible light, the substantially same scene from the substantially same viewpoint at the substantially same timing as those of the infrared light image; detecting a lower reflection region showing an object having a lower reflectivity from the infrared light image in accordance with the infrared light image and the visible light image; correcting a corresponding lower reflection region in the depth image in accordance with the visible light image; and outputting the depth image with the corrected lower reflection region.
    Type: Grant
    Filed: January 19, 2021
    Date of Patent: June 28, 2022
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Takeo Azuma, Satoshi Sato, Nobuhiko Wakai, Kohsuke Yoshioka, Noritaka Shimizu, Yoshinao Kawai, Takaaki Amada, Yoko Kawai, Takeshi Murai, Hiroki Takeuchi
  • Publication number: 20210150742
    Abstract: A depth acquisition device includes a memory and a processor. The processor performs: acquiring timing information indicating a timing at which a light source irradiates a subject with infrared light; acquiring, from the memory, an infrared light image generated by imaging a scene including the subject with the infrared light according to the timing indicated by the timing information; acquiring, from the memory, a visible light image generated by imaging a substantially same scene as the scene of the infrared light image, with visible light from a substantially same viewpoint as a viewpoint of imaging the infrared light image at a substantially same time as a time of imaging the infrared light image; detecting a flare region from the infrared light image; and estimating a depth of the flare region based on the infrared light image, the visible light image, and the flare region.
    Type: Application
    Filed: January 28, 2021
    Publication date: May 20, 2021
    Inventors: Satoshi SATO, Takeo AZUMA, Nobuhiko WAKAI, Kohsuke YOSHIOKA, Noritaka SHIMIZU, Yoshinao KAWAI, Takaaki AMADA, Yoko KAWAI, Takeshi MURAI, Hiroki TAKEUCHI
  • Publication number: 20210142500
    Abstract: A depth acquisition device includes a memory and a processor performing: acquiring, from the memory, intensities of infrared light measured by imaging with infrared light emitted from a light source and reflected on a subject by pixels in an imaging element; generating a depth image by calculating the distance for each pixel based on the intensities; acquiring, from the memory, a visible light image generated by imaging, with visible light, the substantially same scene from the substantially same viewpoint at the substantially same timing as those of the infrared light image; detecting a lower reflection region showing an object having a lower reflectivity from the infrared light image in accordance with the infrared light image and the visible light image; correcting a corresponding lower reflection region in the depth image in accordance with the visible light image; and outputting the depth image with the corrected lower reflection region.
    Type: Application
    Filed: January 19, 2021
    Publication date: May 13, 2021
    Inventors: Takeo AZUMA, Satoshi SATO, Nobuhiko WAKAI, Kohsuke YOSHIOKA, Noritaka SHIMIZU, Yoshinao KAWAI, Takaaki AMADA, Yoko KAWAI, Takeshi MURAI, Hiroki TAKEUCHI
  • Publication number: 20210142496
    Abstract: A depth acquisition device includes a memory and a processor. The processor performs; acquiring timing information indicating a timing at which a light source irradiates a subject with infrared light; acquiring an infrared light image stored in the memory, the infrared light image being generated by imaging a scene including the subject with the infrared light according to the timing indicated by the timing information; acquiring a visible light image stored in the memory, the visible light image being generated by imaging a substantially same scene as that of the infrared light image, with visible light from a substantially same viewpoint and at a substantially same imaging time of those of the infrared light image; detecting a dust region showing dust from the infrared light image; and estimating a depth of the dust region based on the infrared light image, the visible light image, and the dust region.
    Type: Application
    Filed: January 25, 2021
    Publication date: May 13, 2021
    Inventors: Satoshi SATO, Takeo AZUMA, Nobuhiko WAKAI, Kohsuke YOSHIOKA, Noritaka SHIMIZU, Yoshinao KAWAI, Takaaki AMADA, Yoko KAWAI, Takeshi MURAI, Hiroki TAKEUCHI
  • Publication number: 20210144314
    Abstract: A depth acquisition device includes memory and processor performing: acquiring, from the memory, intensities of infrared light emitted from a light source and measured by imaging with the infrared light reflected on a subject by pixels in an imaging element; generating a depth image by calculating a distance to the subject as a depth for each pixel based on an intensity received by the pixel; acquiring, from the memory, a visible light image generated by imaging, with visible light, a substantially same scene with a substantially same viewpoint and at a substantially same timing as those of imaging the infrared light image; detecting, from the visible light image, an edge region including an edge along a direction perpendicular to a direction of movement of the visible light image; and correcting, in the depth image, a depth of a target region corresponding to the edge region in the depth image.
    Type: Application
    Filed: January 21, 2021
    Publication date: May 13, 2021
    Inventors: Takeo AZUMA, Satoshi SATO, Nobuhiko WAKAI, Kohsuke YOSHIOKA, Noritaka SHIMIZU, Yoshinao KAWAI, Takaaki AMADA, Yoko KAWAI, Takeshi MURAI, Hiroki TAKEUCHI
  • Patent number: 11002849
    Abstract: A driving lane detection device of the present disclosure includes: an object detector, a vehicle detector, and a driving lane detector. The object detector generates object data relating to a distance and direction from the vehicle to an object and a movement direction of the object based on one or more reflection waves that are a radar signal transmitted by a radar device and reflected by the one or more object. The vehicle detector detects each object as at least one of a parallel-running vehicle running in a same direction as the vehicle or an oncoming vehicle running in an opposite direction to the vehicle, based on the object data. The driving lane detector detects a driving lane based on the distance and direction from the vehicle to at least one of the detected parallel-running and the detected oncoming vehicles and lane information on at least one of lane widths and a number of lanes of a road on which the vehicle is running.
    Type: Grant
    Filed: March 12, 2019
    Date of Patent: May 11, 2021
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Hirohito Mukai, Tomohiro Yui, Yoshinao Kawai
  • Patent number: 10899362
    Abstract: The master apparatus includes a communicator that transmits a command to the one or more slave apparatuses in the first communication method, and that transmits a trigger to the one or more slave apparatuses and receives data that is transmitted by the one or more slave apparatuses in response to the trigger in the second communication method, and a controller that controls the communicator during execution of the first communication method to read negotiation information that indicates conditions for the second communication method from a memory and to transmit the negotiation information to the one or more slave apparatuses, wherein upon completion of communication that satisfies the conditions after the first communication method is switched to the second communication method, the controller performs switching from the second communication method to the first communication method.
    Type: Grant
    Filed: March 11, 2020
    Date of Patent: January 26, 2021
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Yoshikazu Nishikawa, Yoshinao Kawai
  • Publication number: 20200394909
    Abstract: An object detection apparatus includes an input port that receives information on a plurality of objects in surroundings of a vehicle and information on a traffic environment of the vehicle, the plurality of objects being detected by a sensor installed on the vehicle, a controller that determines, based on the information on the plurality of objects and the information on the traffic environment, priority for each of the plurality of objects and determines first information based on the priority in a case where the total amount of information on the plurality of objects is greater than a determined value, the first information being information on part of the plurality of objects, and an output port that outputs the first information to an in-vehicle apparatus that controls the vehicle.
    Type: Application
    Filed: August 27, 2020
    Publication date: December 17, 2020
    Inventors: YOSHINAO KAWAI, YASUMICHI TAKAI
  • Patent number: 10789839
    Abstract: An object detection apparatus includes an input port that receives information on a plurality of objects in surroundings of a vehicle and information on a traffic environment of the vehicle, the plurality of objects being detected by a sensor installed on the vehicle, a controller that determines, based on the information on the plurality of objects and the information on the traffic environment, priority for each of the plurality of objects and determines first information based on the priority in a case where the total amount of information on the plurality of objects is greater than a determined value, the first information being information on part of the plurality of objects, and an output port that outputs the first information to an in-vehicle apparatus that controls the vehicle.
    Type: Grant
    Filed: May 17, 2017
    Date of Patent: September 29, 2020
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Yoshinao Kawai, Yasumichi Takai
  • Publication number: 20200290633
    Abstract: The master apparatus includes a communicator that transmits a command to the one or more slave apparatuses in the first communication method, and that transmits a trigger to the one or more slave apparatuses and receives data that is transmitted by the one or more slave apparatuses in response to the trigger in the second communication method, and a controller that controls the communicator during execution of the first communication method to read negotiation information that indicates conditions for the second communication method from a memory and to transmit the negotiation information to the one or more slave apparatuses, wherein upon completion of communication that satisfies the conditions after the first communication method is switched to the second communication method, the controller performs switching from the second communication method to the first communication method.
    Type: Application
    Filed: March 11, 2020
    Publication date: September 17, 2020
    Applicant: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Yoshikazu NISHIKAWA, Yoshinao KAWAI
  • Publication number: 20190212440
    Abstract: A driving lane detection device of the present disclosure includes: an object detector, a vehicle detector, and a driving lane detector. The object detector generates object data relating to a distance and direction from the vehicle to an object and a movement direction of the object based on one or more reflection waves that are a radar signal transmitted by a radar device and reflected by the one or more object. The vehicle detector detects each object as at least one of a parallel-running vehicle running in a same direction as the vehicle or an oncoming vehicle running in an opposite direction to the vehicle, based on the object data. The driving lane detector detects a driving lane based on the distance and direction from the vehicle to at least one of the detected parallel-running and the detected oncoming vehicles and lane information on at least one of lane widths and a number of lanes of a road on which the vehicle is running.
    Type: Application
    Filed: March 12, 2019
    Publication date: July 11, 2019
    Inventors: Hirohito Mukai, Tomohiro Yui, Yoshinao Kawai
  • Patent number: 10310076
    Abstract: A driving lane detection device of the present disclosure includes: an object detector, a vehicle detector, and a driving lane detector. The object detector generates object data relating to a distance and direction from the vehicle to an object and a movement direction of the object based on one or more reflection waves that are a radar signal transmitted by a radar device and reflected by the one or more object. The vehicle detector detects each object as at least one of a parallel-running vehicle running in a same direction as the vehicle or an oncoming vehicle running in an opposite direction to the vehicle, based on the object data. The driving lane detector detects a driving lane based on the distance and direction from the vehicle to at least one of the detected parallel-running and the detected oncoming vehicles and lane information on at least one of lane widths and a number of lanes of a road on which the vehicle is running.
    Type: Grant
    Filed: February 5, 2016
    Date of Patent: June 4, 2019
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Hirohito Mukai, Tomohiro Yui, Yoshinao Kawai
  • Patent number: 10274597
    Abstract: A driving lane detection device of the present disclosure includes: an object detector, a vehicle detector, and a driving lane detector. The object detector generates object data relating to a distance and direction from the vehicle to an object and a movement direction of the object based on one or more reflection waves that are a radar signal transmitted by a radar device and reflected by the one or more object. The vehicle detector detects each object as at least one of a parallel-running vehicle running in a same direction as the vehicle or an oncoming vehicle running in an opposite direction to the vehicle, based on the object data. The driving lane detector detects a driving lane based on the distance and direction from the vehicle to at least one of the detected parallel-running and the detected oncoming vehicles and lane information on at least one of lane widths and a number of lanes of a road on which the vehicle is running.
    Type: Grant
    Filed: February 5, 2016
    Date of Patent: April 30, 2019
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Hirohito Mukai, Tomohiro Yui, Yoshinao Kawai
  • Publication number: 20170345300
    Abstract: An object detection apparatus includes an input port that receives information on a plurality of objects in surroundings of a vehicle and information on a traffic environment of the vehicle, the plurality of objects being detected by a sensor installed on the vehicle, a controller that determines, based on the information on the plurality of objects and the information on the traffic environment, priority for each of the plurality of objects and determines first information based on the priority in a case where the total amount of information on the plurality of objects is greater than a determined value, the first information being information on part of the plurality of objects, and an output port that outputs the first information to an in-vehicle apparatus that controls the vehicle.
    Type: Application
    Filed: May 17, 2017
    Publication date: November 30, 2017
    Inventors: YOSHINAO KAWAI, YASUMICHI TAKAI