Patents by Inventor Tokumichi Murakami

Tokumichi Murakami 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).

  • Image coding device, image decoding device, image coding method, and image decoding method
    Patent number: 12143596
    Abstract: When removing a block distortion occurring in a local decoded image, a loop filtering part 11 of an image coding device carries out a filtering process on each of signal components (a luminance signal component and color difference signal components) after setting the intensity of a filter for removing the block distortion for each of the signal components according to a coding mode (an intra coding mode or an inter coding mode) selected by a coding controlling part 1.
    Type: Grant
    Filed: October 20, 2023
    Date of Patent: November 12, 2024
    Assignee: Mitsubishi Electric Corporation
    Inventors: Shunichi Sekiguchi, Kazuo Sugimoto, Hiroharu Sakate, Tokumichi Murakami, Akira Minezawa
  • IMAGE CODING DEVICE, IMAGE DECODING DEVICE, IMAGE CODING METHOD, AND IMAGE DECODING METHOD
    Publication number: 20240048720
    Abstract: When removing a block distortion occurring in a local decoded image, a loop filtering part 11 of an image coding device carries out a filtering process on each of signal components (a luminance signal component and color difference signal components) after setting the intensity of a filter for removing the block distortion for each of the signal components according to a coding mode (an intra coding mode or an inter coding mode) selected by a coding controlling part 1.
    Type: Application
    Filed: October 20, 2023
    Publication date: February 8, 2024
    Applicant: Mitsubishi Electric Corporation
    Inventors: Shunichi SEKIGUCHI, Kazuo SUGIMOTO, Hiroharu SAKATE, Tokumichi MURAKAMI, Akira MINEZAWA
  • IMAGE CODING DEVICE, IMAGE DECODING DEVICE, IMAGE CODING METHOD, AND IMAGE DECODING METHOD
    Publication number: 20240048721
    Abstract: When removing a block distortion occurring in a local decoded image, a loop filtering part 11 of an image coding device carries out a filtering process on each of signal components (a luminance signal component and color difference signal components) after setting the intensity of a filter for removing the block distortion for each of the signal components according to a coding mode (an intra coding mode or an inter coding mode) selected by a coding controlling part 1.
    Type: Application
    Filed: October 20, 2023
    Publication date: February 8, 2024
    Applicant: Mitsubishi Electric Corporation
    Inventors: Shunichi SEKIGUCHI, Kazuo SUGIMOTO, Hiroharu SAKATE, Tokumichi MURAKAMI, Akira MINEZAWA
  • IMAGE CODING DEVICE, IMAGE DECODING DEVICE, IMAGE CODING METHOD, AND IMAGE DECODING METHOD
    Publication number: 20240048722
    Abstract: When removing a block distortion occurring in a local decoded image, a loop filtering part 11 of an image coding device carries out a filtering process on each of signal components (a luminance signal component and color difference signal components) after setting the intensity of a filter for removing the block distortion for each of the signal components according to a coding mode (an intra coding mode or an inter coding mode) selected by a coding controlling part 1.
    Type: Application
    Filed: October 20, 2023
    Publication date: February 8, 2024
    Applicant: Mitsubishi Electric Corporation
    Inventors: Shunichi SEKIGUCHI, Kazuo SUGIMOTO, Hiroharu SAKATE, Tokumichi MURAKAMI, Akira MINEZAWA
  • IMAGE CODING DEVICE, IMAGE DECODING DEVICE, IMAGE CODING METHOD, AND IMAGE DECODING METHOD
    Publication number: 20240048723
    Abstract: When removing a block distortion occurring in a local decoded image, a loop filtering part 11 of an image coding device carries out a filtering process on each of signal components (a luminance signal component and color difference signal components) after setting the intensity of a filter for removing the block distortion for each of the signal components according to a coding mode (an intra coding mode or an inter coding mode) selected by a coding controlling part 1.
    Type: Application
    Filed: October 20, 2023
    Publication date: February 8, 2024
    Applicant: Mitsubishi Electric Corporation
    Inventors: Shunichi SEKIGUCHI, Kazuo SUGIMOTO, Hiroharu SAKATE, Tokumichi MURAKAMI, Akira MINEZAWA
  • Image coding device, image decoding device, image coding method, and image decoding method
    Patent number: 11831881
    Abstract: When removing a block distortion occurring in a local decoded image, a loop filtering part 11 of an image coding device carries out a filtering process on each of signal components (a luminance signal component and color difference signal components) after setting the intensity of a filter for removing the block distortion for each of the signal components according to a coding mode (an intra coding mode or an inter coding mode) selected by a coding controlling part 1.
    Type: Grant
    Filed: January 4, 2023
    Date of Patent: November 28, 2023
    Assignee: Mitsubishi Electric Corporation
    Inventors: Shunichi Sekiguchi, Kazuo Sugimoto, Hiroharu Sakate, Tokumichi Murakami, Akira Minezawa
  • IMAGE CODING DEVICE, IMAGE DECODING DEVICE, IMAGE CODING METHOD, AND IMAGE DECODING METHOD
    Publication number: 20230147899
    Abstract: When removing a block distortion occurring in a local decoded image, a loop filtering part 11 of an image coding device carries out a filtering process on each of signal components (a luminance signal component and color difference signal components) after setting the intensity of a filter for removing the block distortion for each of the signal components according to a coding mode (an intra coding mode or an inter coding mode) selected by a coding controlling part 1.
    Type: Application
    Filed: January 4, 2023
    Publication date: May 11, 2023
    Applicant: Mitsubishi Electric Corporation
    Inventors: Shunichi SEKIGUCHI, Kazuo SUGIMOTO, Hiroharu SAKATE, Tokumichi MURAKAMI, Akira MINEZAWA
  • Image coding device, image decoding device, image coding method, and image decoding method
    Patent number: 11575906
    Abstract: When removing a block distortion occurring in a local decoded image, a loop filtering part 11 of an image coding device carries out a filtering process on each of signal components (a luminance signal component and color difference signal components) after setting the intensity of a filter for removing the block distortion for each of the signal components according to a coding mode (an intra coding mode or an inter coding mode) selected by a coding controlling part 1.
    Type: Grant
    Filed: October 29, 2020
    Date of Patent: February 7, 2023
    Assignee: Mitsubishi Electric Corporation
    Inventors: Shunichi Sekiguchi, Kazuo Sugimoto, Hiroharu Sakate, Tokumichi Murakami, Akira Minezawa
  • IMAGE CODING DEVICE, IMAGE DECODING DEVICE, IMAGE CODING METHOD, AND IMAGE DECODING METHOD
    Publication number: 20210044806
    Abstract: When removing a block distortion occurring in a local decoded image, a loop filtering part 11 of an image coding device carries out a filtering process on each of signal components (a luminance signal component and color difference signal components) after setting the intensity of a filter for removing the block distortion for each of the signal components according to a coding mode (an intra coding mode or an inter coding mode) selected by a coding controlling part 1.
    Type: Application
    Filed: October 29, 2020
    Publication date: February 11, 2021
    Applicant: Mitsubishi Electric Corporation
    Inventors: Shunichi SEKIGUCHI, Kazuo SUGIMOTO, Hiroharu SAKATE, Tokumichi MURAKAMI, Akira MINEZAWA
  • Image coding device, image decoding device, image coding method, and image decoding method
    Patent number: 10863180
    Abstract: When removing a block distortion occurring in a local decoded image, a loop filtering part 11 of an image coding device carries out a filtering process on each of signal components (a luminance signal component and color difference signal components) after setting the intensity of a filter for removing the block distortion for each of the signal components according to a coding mode (an intra coding mode or an inter coding mode) selected by a coding controlling part 1.
    Type: Grant
    Filed: April 30, 2019
    Date of Patent: December 8, 2020
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Shunichi Sekiguchi, Kazuo Sugimoto, Hiroharu Sakate, Tokumichi Murakami, Akira Minezawa
  • Moving image encoding device and moving image decoding device based on adaptive switching among transformation block sizes
    Patent number: 10554970
    Abstract: An encoding controlling unit 3 selects one transformation block size which provides an optimal degree of encoding efficiency from a set of transformation block sizes which are determined in accordance with an encoding mode 7, and includes the transformation block size selected thereby in optimal compression parameters 20a to notify the transformation block size to a transformation/quantization unit 19, and the transformation/quantization unit 19 divides an optimal prediction differential signal 13a into blocks having the transformation block size included in the optimal compression parameters 20a, and carries out a transformation and quantization process on each of the blocks to generate compressed data 21.
    Type: Grant
    Filed: June 18, 2019
    Date of Patent: February 4, 2020
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Yoshimi Moriya, Shunichi Sekiguchi, Kazuo Sugimoto, Kohtaro Asai, Tokumichi Murakami
  • Moving image encoding device and moving image decoding device based on adaptive switching among transformation block sizes
    Patent number: 10469839
    Abstract: An encoding controlling unit 3 selects one transformation block size which provides an optimal degree of encoding efficiency from a set of transformation block sizes which are determined in accordance with an encoding mode 7, and includes the transformation block size selected thereby in optimal compression parameters 20a to notify the transformation block size to a transformation/quantization unit 19, and the transformation/quantization unit 19 divides an optimal prediction differential signal 13a into blocks having the transformation block size included in the optimal compression parameters 20a, and carries out a transformation and quantization process on each of the blocks to generate compressed data 21.
    Type: Grant
    Filed: June 18, 2019
    Date of Patent: November 5, 2019
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Yoshimi Moriya, Shunichi Sekiguchi, Kazuo Sugimoto, Kohtaro Asai, Tokumichi Murakami
  • MOVING IMAGE ENCODING DEVICE AND MOVING IMAGE DECODING DEVICE BASED ON ADAPTIVE SWITCHING AMONG TRANSFORMATION BLOCK SIZES
    Publication number: 20190306496
    Abstract: An encoding controlling unit 3 selects one transformation block size which provides an optimal degree of encoding efficiency from a set of transformation block sizes which are determined in accordance with an encoding mode 7, and includes the transformation block size selected thereby in optimal compression parameters 20a to notify the transformation block size to a transformation/quantization unit 19, and the transformation/quantization unit 19 divides an optimal prediction differential signal 13a into blocks having the transformation block size included in the optimal compression parameters 20a, and carries out a transformation and quantization process on each of the blocks to generate compressed data 21.
    Type: Application
    Filed: June 18, 2019
    Publication date: October 3, 2019
    Applicant: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Yoshimi MORIYA, Shunichi SEKIGUCHI, Kazuo SUGIMOTO, Kohtaro ASAI, Tokumichi MURAKAMI
  • MOVING IMAGE ENCODING DEVICE AND MOVING IMAGE DECODING DEVICE BASED ON ADAPTIVE SWITCHING AMONG TRANSFORMATION BLOCK SIZES
    Publication number: 20190306497
    Abstract: An encoding controlling unit 3 selects one transformation block size which provides an optimal degree of encoding efficiency from a set of transformation block sizes which are determined in accordance with an encoding mode 7, and includes the transformation block size selected thereby in optimal compression parameters 20a to notify the transformation block size to a transformation/quantization unit 19, and the transformation/quantization unit 19 divides an optimal prediction differential signal 13a into blocks having the transformation block size included in the optimal compression parameters 20a, and carries out a transformation and quantization process on each of the blocks to generate compressed data 21.
    Type: Application
    Filed: June 18, 2019
    Publication date: October 3, 2019
    Applicant: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Yoshimi MORIYA, Shunichi SEKIGUCHI, Kazuo SUGIMOTO, Kohtaro ASAI, Tokumichi MURAKAMI
  • Moving image encoding device and moving image decoding device based on adaptive switching among transformation block sizes
    Patent number: 10412385
    Abstract: An encoding controlling unit 3 selects one transformation block size which provides an optimal degree of encoding efficiency from a set of transformation block sizes which are determined in accordance with an encoding mode 7, and includes the transformation block size selected thereby in optimal compression parameters 20a to notify the transformation block size to a transformation/quantization unit 19, and the transformation/quantization unit 19 divides an optimal prediction differential signal 13a into blocks having the transformation block size included in the optimal compression parameters 20a, and carries out a transformation and quantization process on each of the blocks to generate compressed data 21.
    Type: Grant
    Filed: March 13, 2018
    Date of Patent: September 10, 2019
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Yoshimi Moriya, Shunichi Sekiguchi, Kazuo Sugimoto, Kohtaro Asai, Tokumichi Murakami
  • IMAGE CODING DEVICE, IMAGE DECODING DEVICE, IMAGE CODING METHOD, AND IMAGE DECODING METHOD
    Publication number: 20190261002
    Abstract: When removing a block distortion occurring in a local decoded image, a loop filtering part 11 of an image coding device carries out a filtering process on each of signal components (a luminance signal component and color difference signal components) after setting the intensity of a filter for removing the block distortion for each of the signal components according to a coding mode (an intra coding mode or an inter coding mode) selected by a coding controlling part 1.
    Type: Application
    Filed: April 30, 2019
    Publication date: August 22, 2019
    Applicant: Mitsubishi Electric Corporation
    Inventors: Shunichi SEKIGUCHI, Kazuo SUGIMOTO, Hiroharu SAKATE, Tokumichi MURAKAMI, Akira MINEZAWA
  • Moving image encoding device and moving image decoding device based on adaptive switching among transformation block sizes
    Patent number: 10390011
    Abstract: An encoding controlling unit 3 selects one transformation block size which provides an optimal degree of encoding efficiency from a set of transformation block sizes which are determined in accordance with an encoding mode 7, and includes the transformation block size selected thereby in optimal compression parameters 20a to notify the transformation block size to a transformation/quantization unit 19, and the transformation/quantization unit 19 divides an optimal prediction differential signal 13a into blocks having the transformation block size included in the optimal compression parameters 20a, and carries out a transformation and quantization process on each of the blocks to generate compressed data 21.
    Type: Grant
    Filed: June 1, 2018
    Date of Patent: August 20, 2019
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Yoshimi Moriya, Shunichi Sekiguchi, Kazuo Sugimoto, Kohtaro Asai, Tokumichi Murakami
  • Image coding device, image decoding device, image coding method, and image decoding method
    Patent number: 10334251
    Abstract: When removing a block distortion occurring in a local decoded image, a loop filtering part 11 of an image coding device carries out a filtering process on each of signal components (a luminance signal component and color difference signal components) after setting the intensity of a filter for removing the block distortion for each of the signal components according to a coding mode (an intra coding mode or an inter coding mode) selected by a coding controlling part 1.
    Type: Grant
    Filed: January 11, 2018
    Date of Patent: June 25, 2019
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Shunichi Sekiguchi, Kazuo Sugimoto, Hiroharu Sakate, Tokumichi Murakami, Akira Minezawa
  • MOVING IMAGE ENCODING DEVICE AND MOVING IMAGE DECODING DEVICE BASED ON ADAPTIVE SWITCHING AMONG TRANSFORMATION BLOCK SIZES
    Publication number: 20180278931
    Abstract: An encoding controlling unit 3 selects one transformation block size which provides an optimal degree of encoding efficiency from a set of transformation block sizes which are determined in accordance with an encoding mode 7, and includes the transformation block size selected thereby in optimal compression parameters 20a to notify the transformation block size to a transformation/quantization unit 19, and the transformation/quantization unit 19 divides an optimal prediction differential signal 13a into blocks having the transformation block size included in the optimal compression parameters 20a, and carries out a transformation and quantization process on each of the blocks to generate compressed data 21.
    Type: Application
    Filed: June 1, 2018
    Publication date: September 27, 2018
    Applicant: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Yoshimi MORIYA, Shunichi SEKIGUCHI, Kazuo SUGIMOTO, Kohtaro ASAI, Tokumichi MURAKAMI
  • MOVING IMAGE ENCODING DEVICE AND MOVING IMAGE DECODING DEVICE BASED ON ADAPTIVE SWITCHING AMONG TRANSFORMATION BLOCK SIZES
    Publication number: 20180255297
    Abstract: An encoding controlling unit 3 selects one transformation block size which provides an optimal degree of encoding efficiency from a set of transformation block sizes which are determined in accordance with an encoding mode 7, and includes the transformation block size selected thereby in optimal compression parameters 20a to notify the transformation block size to a transformation/quantization unit 19, and the transformation/quantization unit 19 divides an optimal prediction differential signal 13a into blocks having the transformation block size included in the optimal compression parameters 20a, and carries out a transformation and quantization process on each of the blocks to generate compressed data 21.
    Type: Application
    Filed: March 13, 2018
    Publication date: September 6, 2018
    Applicant: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Yoshimi MORIYA, Shunichi SEKIGUCHI, Kazuo SUGIMOTO, Kohtaro ASAI, Tokumichi MURAKAMI