Patents by Inventor Sohhei OKADA

Sohhei OKADA 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: 11582401
    Abstract: This invention enables one to check flicker of a HFR image signal. A display image signal of a first frame rate for flicker check is obtained on the basis of an image signal of a second frame rate. For example, the display image signal of the first frame rate is generated from the image signal of the second frame rate by a frame thinning process. In this case, a frame to be thinned is determined from a relationship between the second frame rate and a light source frequency. For example, the number of frames to be a flicker period is obtained from the second frame rate and the light source frequency, and the frame to be thinned is determined so that continuous frames of the number of frames to be the flicker period are present.
    Type: Grant
    Filed: September 22, 2021
    Date of Patent: February 14, 2023
    Assignee: SONY GROUP CORPORATION
    Inventor: Sohhei Okada
  • Publication number: 20220286607
    Abstract: An image capable of confirming a focus position is generated without superimposing a peaking signal on a captured image. Therefore, an image processing apparatus according to the present technology includes an image signal generation unit that generates a plurality of image signals having frequency characteristics different from each other from one captured image signal, and a blending processing unit that blends the plurality of image signals on the basis of a blend ratio determined on the basis of a peaking signal for the one captured image signal.
    Type: Application
    Filed: May 24, 2020
    Publication date: September 8, 2022
    Applicant: Sony Group Corporation
    Inventor: Sohhei OKADA
  • Publication number: 20220006943
    Abstract: This invention enables one to check flicker of a HFR image signal. A display image signal of a first frame rate for flicker check is obtained on the basis of an image signal of a second frame rate. For example, the display image signal of the first frame rate is generated from the image signal of the second frame rate by a frame thinning process. In this case, a frame to be thinned is determined from a relationship between the second frame rate and a light source frequency. For example, the number of frames to be a flicker period is obtained from the second frame rate and the light source frequency, and the frame to be thinned is determined so that continuous frames of the number of frames to be the flicker period are present.
    Type: Application
    Filed: September 22, 2021
    Publication date: January 6, 2022
    Inventor: SOHHEI OKADA
  • Patent number: 11172143
    Abstract: This invention enables one to check flicker of a HFR image signal. A display image signal of a first frame rate for flicker check is obtained on the basis of an image signal of a second frame rate. For example, the display image signal of the first frame rate is generated from the image signal of the second frame rate by a frame thinning process. In this case, a frame to be thinned is determined from a relationship between the second frame rate and a light source frequency. For example, the number of frames to be a flicker period is obtained from the second frame rate and the light source frequency, and the frame to be thinned is determined so that continuous frames of the number of frames to be the flicker period are present.
    Type: Grant
    Filed: October 18, 2017
    Date of Patent: November 9, 2021
    Assignee: SONY CORPORATION
    Inventor: Sohhei Okada
  • Patent number: 10412336
    Abstract: This video signal processing apparatus includes a luminance correction circuit that multiplies video signals of M sequential frames by weight coefficients individually set for frames respectively ordered in the M frames, M being plural, and adds and averages results, to generate a correction video signal of a frame in a predetermined order in the M frames, a value of a weight coefficient set for the frame in the predetermined order being set to be maximum among values of the weight coefficients individually set for the frames respectively ordered in the M frames.
    Type: Grant
    Filed: August 30, 2016
    Date of Patent: September 10, 2019
    Assignee: SONY CORPORATION
    Inventor: Sohhei Okada
  • Publication number: 20190268525
    Abstract: This invention enables one to check flicker of a HFR image signal. A display image signal of a first frame rate for flicker check is obtained on the basis of an image signal of a second frame rate. For example, the display image signal of the first frame rate is generated from the image signal of the second frame rate by a frame thinning process. In this case, a frame to be thinned is determined from a relationship between the second frame rate and a light source frequency. For example, the number of frames to be a flicker period is obtained from the second frame rate and the light source frequency, and the frame to be thinned is determined so that continuous frames of the number of frames to be the flicker period are present. In addition, for example, for each predetermined frame, the frame to be thinned is determined so as to extract a frame of which a flicker phase sequentially changes.
    Type: Application
    Filed: October 18, 2017
    Publication date: August 29, 2019
    Inventor: SOHHEI OKADA
  • Publication number: 20180262710
    Abstract: This video signal processing apparatus includes a luminance correction circuit that multiplies video signals of M sequential frames by weight coefficients individually set for frames respectively ordered in the M frames, M being plural, and adds and averages results, to generate a correction video signal of a frame in a predetermined order in the M frames, a value of a weight coefficient set for the frame in the predetermined order being set to be maximum among values of the weight coefficients individually set for the frames respectively ordered in the M frames.
    Type: Application
    Filed: August 30, 2016
    Publication date: September 13, 2018
    Inventor: Sohhei OKADA
  • Patent number: 9451176
    Abstract: Provided is an image signal processor, including: an integrator configured to integrate each frame of an image signal; a first flicker corrector configured to extract a flicker component from the integrated value obtained by the integrator, the flicker component depending on a frequency of a light source, and to reduce a flicker component from the integrated value sequentially; and a second flicker corrector configured to generate a reference image without a flicker component based on the correction result of the integrated value corrected by the first flicker corrector, and to correct a flicker of the image signal based on the reference image.
    Type: Grant
    Filed: February 24, 2015
    Date of Patent: September 20, 2016
    Assignee: SONY CORPORATION
    Inventors: Sohhei Okada, Yoshiaki Nishide, Yukihiro Kinoshita
  • Publication number: 20150281546
    Abstract: Provided is an image signal processor, including: an integrator configured to integrate each frame of an image signal; a first flicker corrector configured to extract a flicker component from the integrated value obtained by the integrator, the flicker component depending on a frequency of a light source, and to reduce a flicker component from the integrated value sequentially; and a second flicker corrector configured to generate a reference image without a flicker component based on the correction result of the integrated value corrected by the first flicker corrector, and to correct a flicker of the image signal based on the reference image.
    Type: Application
    Filed: February 24, 2015
    Publication date: October 1, 2015
    Applicant: SONY CORPORATION
    Inventors: Sohhei OKADA, Yoshiaki Nishide, Yukihiro Kinoshita