Patents by Inventor Hiromasa Naganuma

Hiromasa Naganuma 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: 11954866
    Abstract: An image processing apparatus includes a movement estimation unit that estimates, on the basis of a first timestamp provided to an image captured by synchronous scanning, an event signal generated corresponding to an intensity change of light at one or a plurality of pixels of the image, and a second timestamp that is provided to the event signal and is in synchronism with the first timestamp, a movement of an imaging target in the image, an inverse filter generation unit that generates an inverse filter on the basis of the movement, and a filter application unit that applies the inverse filter to the image.
    Type: Grant
    Filed: August 20, 2019
    Date of Patent: April 9, 2024
    Assignee: Sony Interactive Entertainment Inc.
    Inventors: Hiromasa Naganuma, Masakazu Hayashi, Yosuke Kurihara
  • Patent number: 11910110
    Abstract: A transfer control device includes a difference identifying section which identifies, for a first and second images sequentially captured by synchronous scanning, a difference region of the second image, on the basis of an event signal indicating a change in intensity of light generated in one or a plurality of pixels of each of the first and second images during a time period from capturing of the first image to capturing of the second image; and a transfer control section which executes data transfer different between the difference region and regions other than the difference region, for the second image.
    Type: Grant
    Filed: August 20, 2019
    Date of Patent: February 20, 2024
    Assignee: Sony Interactive Entertainment Inc.
    Inventors: Yosuke Kurihara, Hiromasa Naganuma, Masakazu Hayashi
  • Publication number: 20230394678
    Abstract: In combination, a detection section detects a target based on a first image signal from a first image sensor, a setting section sets an area of interest in which at least part of the target is included, a calculation section calculates, based on a second image signal from a second image sensor that asynchronously generates an image signal when a change in intensity of light incident on each of pixels is detected, a distribution of the second image signal in the area of interest, a tracking section tracks the detection target in the area of interest on the basis of at least one of the first image signal and the second image signal, a tracking controlling section discerns a movement of the detection target in the area of interest based on the tracking, and an information outputting section outputs a result of the tracking by the tracking section.
    Type: Application
    Filed: November 10, 2021
    Publication date: December 7, 2023
    Applicant: Sony Interactive Entertainment Inc.
    Inventors: Naoyuki Miyada, Hideki Yanagisawa, Mamiko Ishida, Masayoshi Mizuno, Naoki Egawa, Hiromasa Naganuma
  • Publication number: 20230394685
    Abstract: Provided is an information processing device including a detection unit that detects a detection target on the basis of a first image signal generated by a first image sensor, a setting unit that sets a region of interest including at least a part of the detection target, a tracking unit that tracks the detection target in the region of interest on the basis of a second image signal generated by a second image sensor including an event driven vision sensor that asynchronously generates an image signal when an intensity change in light incident to each pixel is detected, and a comparison unit that compares position information on the detection target represented by a result of the detection by the detection unit on the basis of the first image signal with position information on the detection target represented by a result of the tracking by the tracking unit on the basis of the second image signal associated with the first image signal.
    Type: Application
    Filed: November 10, 2021
    Publication date: December 7, 2023
    Applicant: Sony Interactive Entertainment Inc.
    Inventors: Masayoshi Mizuno, Naoki Egawa, Hiromasa Naganuma
  • Patent number: 11678074
    Abstract: A sensor control apparatus includes a readout control circuit and a region setting circuit. The readout control circuit controls an event-driven vision sensor including a sensor array that includes sensors that generate event signals when a change in incident light intensity is detected, in such a manner that the event signals are read out at a first frequency in a first region on the sensor array and that the event signals are read out at a second frequency higher than the first frequency in a second region on the sensor array. The region setting circuit changes at least part of the first region to the second region on the basis of the number of first event signals acquired by the readout in the first region within a given period of time or changes at least part of the second region to the first region on the basis of the number of second event signals acquired by the readout in the second region within the given period of time.
    Type: Grant
    Filed: June 27, 2019
    Date of Patent: June 13, 2023
    Assignee: Sony Interactive Entertainment Inc.
    Inventor: Hiromasa Naganuma
  • Patent number: 11659286
    Abstract: Provided are a sensor module including an event-driven vision sensor that includes a sensor array having a sensor that generates an event signal when the sensor detects a change in intensity of incident light, and a shutter that can shield or open an angle of view of the sensor array, and an electronic device including such a sensor module.
    Type: Grant
    Filed: September 27, 2019
    Date of Patent: May 23, 2023
    Assignee: Sony Interactive Entertainment Inc.
    Inventor: Hiromasa Naganuma
  • Patent number: 11601626
    Abstract: The present disclosure relates to an image processing apparatus and method that enable suppression of a reduction in subjective image quality. Image processing is performed on each of a plurality of frame images before projection. The image processing suppresses an influence of superimposition of the plurality of frame images in a projection image in projecting each of the plurality of frame images cyclically using a corresponding one of a plurality of projection sections. The plurality of frame images is included in a moving image. The present disclosure can be applied to, for example, an image processing apparatus, an image projection apparatus, a control apparatus, an information processing apparatus, an image projection system, an image processing method, a program, or the like.
    Type: Grant
    Filed: February 26, 2018
    Date of Patent: March 7, 2023
    Assignee: SONY CORPORATION
    Inventors: Noriaki Takahashi, Takahiro Nagano, Hiromasa Naganuma
  • Publication number: 20220329743
    Abstract: A transfer control device includes a difference identifying section which identifies, for a first and second images sequentially captured by synchronous scanning, a difference region of the second image, on the basis of an event signal indicating a change in intensity of light generated in one or a plurality of pixels of each of the first and second images during a time period from capturing of the first image to capturing of the second image; and a transfer control section which executes data transfer different between the difference region and regions other than the difference region, for the second image.
    Type: Application
    Filed: August 20, 2019
    Publication date: October 13, 2022
    Applicant: Sony Interactive Entertainment Inc.
    Inventors: Yosuke Kurihara, Hiromasa Naganuma, Masakazu Hayashi
  • Publication number: 20220292693
    Abstract: An image processing device includes a region identifying section that identifies a first region in which a first motion occurs in a subject in an image captured by synchronous scanning, and a second region in which a second motion different from the first motion occurs in the subject or in which the subject is not substantially moving, on the basis of an event signal generated in response to a change in intensity of light in one or a plurality of pixels of the image, and an image processing section that executes image processing different between the first region and the second region on the first region and the second region, in the image.
    Type: Application
    Filed: August 20, 2019
    Publication date: September 15, 2022
    Applicant: Sony Interactive Entertainment Inc.
    Inventors: Masakazu HAYASHI, Hiromasa NAGANUMA, Yosuke KURIHARA
  • Publication number: 20220284593
    Abstract: An image processing apparatus includes a movement estimation unit that estimates, on the basis of a first timestamp provided to an image captured by synchronous scanning, an event signal generated corresponding to an intensity change of light at one or a plurality of pixels of the image, and a second timestamp that is provided to the event signal and is in synchronism with the first timestamp, a movement of an imaging target in the image, an inverse filter generation unit that generates an inverse filter on the basis of the movement, and a filter application unit that applies the inverse filter to the image.
    Type: Application
    Filed: August 20, 2019
    Publication date: September 8, 2022
    Applicant: Sony Interactive Entertainment Inc.
    Inventors: Hiromasa Naganuma, Masakazu Hayashi, Yosuke Kurihara
  • Publication number: 20220272256
    Abstract: Provided is an information processing device including a light source control section that changes intensity of light of a light source which irradiates eyes of a user, a reception section that receives, from an event driven vision sensor including a sensor which generates an event signal when detecting a change in intensity of a light to be incident thereon, the event signal indicating a position and a time of the change in intensity of the light reflected by the eyes of the user, and a visual line detection section that identifies the light source corresponding to the event signal on the basis of a relative positional relation among the eyes of the user, the light source, and the vision sensor, and of the event signal generated at the same time that control is carried out by the light source control section, to detect a visual line of the user.
    Type: Application
    Filed: August 7, 2020
    Publication date: August 25, 2022
    Inventors: Takashi SHIMAZU, Shinichi HIRATA, Makoto KOIZUMI, Hiromasa NAGANUMA
  • Publication number: 20220232176
    Abstract: A sensor control apparatus includes a readout control circuit and a region setting circuit. The readout control circuit controls an event-driven vision sensor including a sensor array that includes sensors that generate event signals when a change in incident light intensity is detected, in such a manner that the event signals are read out at a first frequency in a first region on the sensor array and that the event signals are read out at a second frequency higher than the first frequency in a second region on the sensor array. The region setting circuit changes at least part of the first region to the second region on the basis of the number of first event signals acquired by the readout in the first region within a given period of time or changes at least part of the second region to the first region on the basis of the number of second event signals acquired by the readout in the second region within the given period of time.
    Type: Application
    Filed: June 27, 2019
    Publication date: July 21, 2022
    Applicant: Sony Interactive Entertainment Inc.
    Inventor: Hiromasa Naganuma
  • Patent number: 11336850
    Abstract: Provided is an electronic device which includes an event-driven vision sensor that includes a sensor array having a sensor that generates an event signal when the sensor detects a change in intensity of incident light, an actuator that displaces a module including the vision sensor, and a control unit which transmits a control signal to the actuator and reflects a correction value based on the event signal generated when the actuator displaces the module in the control signal.
    Type: Grant
    Filed: September 27, 2019
    Date of Patent: May 17, 2022
    Assignee: Sony Interactive Entertainment Inc.
    Inventor: Hiromasa Naganuma
  • Patent number: 11184590
    Abstract: The present disclosure relates to an image processing apparatus and method that make it possible to achieve synchronization between a plurality of image projections with increased accuracy. Synchronization between a plurality of projection sections is controlled so as to suppress disruption of image projection timing between the projection sections in accordance with pixel values of captured images that are obtained by allowing an imaging section to capture projection images projected to the same position by the projection sections. The present disclosure is applicable, for example, to an image processing apparatus, an image projection apparatus, a control apparatus, an information processing apparatus, an image projection system, an image processing method, or a program.
    Type: Grant
    Filed: March 2, 2018
    Date of Patent: November 23, 2021
    Assignee: SONY CORPORATION
    Inventor: Hiromasa Naganuma
  • Publication number: 20210360181
    Abstract: Provided are a sensor module including an event-driven vision sensor that includes a sensor array having a sensor that generates an event signal when the sensor detects a change in intensity of incident light, and an actuator connected to the sensor array and configured to displace the sensor array in a predetermined direction, and an electronic device having such a sensor module.
    Type: Application
    Filed: September 27, 2019
    Publication date: November 18, 2021
    Applicant: Sony Interactive Entertainment Inc.
    Inventor: Hiromasa Naganuma
  • Publication number: 20210327090
    Abstract: A sensor calibration system is provided that includes a sensor apparatus including an event-driven vision sensor including a sensor array configured with sensors that generate event signals upon detection of a change in incident light intensity, and a display apparatus including a display section configured to change luminance of a planar region instantaneously with a predetermined spatial resolution as per a calibration pattern of the sensors.
    Type: Application
    Filed: October 10, 2019
    Publication date: October 21, 2021
    Applicant: Sony Interactive Entertainment Inc.
    Inventor: Hiromasa Naganuma
  • Patent number: 11134230
    Abstract: The present technology relates to an image processing apparatus and a method capable of performing calibration of a correction amount in brightness correction more easily. The image processing apparatus according to the present technology performs blending calculation for correcting brightness of an image in accordance with a distance from a projection unit configured to project the image to a projection surface onto which the image is projected, and in accordance with a characteristic of the projection unit. The present technology can be applied, for example, to a projector, a camera, or an electronic apparatus including both function of a projector and a camera, a computer that controls these, and to a system in which an apparatuses having a projector and a camera are operating in cooperation.
    Type: Grant
    Filed: December 21, 2017
    Date of Patent: September 28, 2021
    Assignee: SONY CORPORATION
    Inventor: Hiromasa Naganuma
  • Publication number: 20210274081
    Abstract: Provided are a sensor module including an event-driven vision sensor that includes a sensor array having a sensor that generates an event signal when the sensor detects a change in intensity of incident light, and a shutter that can shield or open an angle of view of the sensor array, and an electronic device including such a sensor module.
    Type: Application
    Filed: September 27, 2019
    Publication date: September 2, 2021
    Applicant: Sony Interactive Entertainment Inc.
    Inventor: Hiromasa Naganuma
  • Publication number: 20210274116
    Abstract: Provided is an electronic device which includes an event-driven vision sensor that includes a sensor array having a sensor that generates an event signal when the sensor detects a change in intensity of incident light, an actuator that displaces a module including the vision sensor, and a control unit which transmits a control signal to the actuator and reflects a correction value based on the event signal generated when the actuator displaces the module in the control signal.
    Type: Application
    Filed: September 27, 2019
    Publication date: September 2, 2021
    Applicant: Sony Interactive Entertainment Inc.
    Inventor: Hiromasa Naganuma
  • Patent number: 10602106
    Abstract: There is provided an information processing apparatus, an information processing method, and a program for reducing any drop in the accuracy of color correction, the information processing apparatus using a captured image captured by a calibrated imaging section imaging a projected image projected to a projection plane by a calibrated projection section in order to set color correction information as the information for correcting a color of each pixel of the projection section. This technology may be applied to electronic equipment having the functions of both a projector and a camera, or to a computer for controlling such electronic equipment.
    Type: Grant
    Filed: January 4, 2019
    Date of Patent: March 24, 2020
    Assignee: SONY CORPORATION
    Inventor: Hiromasa Naganuma