Patents by Inventor Kohtaro Asai

Kohtaro Asai 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: 11039136
    Abstract: A macro block size determining unit 1 determines the size of each macro block on a frame-by-frame basis. A macro block dividing unit 2 divides an inputted image into macro blocks each having the size determined by the macro block size determining unit 1. A macro block coding unit 3 determines a coding mode for each of the macro blocks divided by the macro block dividing unit 2, and codes pixel values in each of the macro blocks in the determined coding mode.
    Type: Grant
    Filed: July 9, 2019
    Date of Patent: June 15, 2021
    Assignee: Mitsubishi Electric Corporation
    Inventors: Yoshimi Moriya, Shunichi Sekiguchi, Yoshihisa Yamada, Kohtaro Asai
  • Publication number: 20210136374
    Abstract: A macro block size determining unit 1 determines the size of each macro block on a frame-by-frame basis. A macro block dividing unit 2 divides an inputted image into macro blocks each having the size determined by the macro block size determining unit 1. A macro block coding unit 3 determines a coding mode for each of the macro blocks divided by the macro block dividing unit 2, and codes pixel values in each of the macro blocks in the determined coding mode.
    Type: Application
    Filed: January 15, 2021
    Publication date: May 6, 2021
    Applicant: Mitsubishi Electric Corporation
    Inventors: Yoshimi MORIYA, Shunichi SEKIGUCHI, Yoshihisa YAMADA, Kohtaro ASAI
  • Patent number: 10728550
    Abstract: A macro block size determining unit 1 determines the size of each macro block on a frame-by-frame basis. A macro block dividing unit 2 divides an inputted image into macro blocks each having the size determined by the macro block size determining unit 1. A macro block coding unit 3 determines a coding mode for each of the macro blocks divided by the macro block dividing unit 2, and codes pixel values in each of the macro blocks in the determined coding mode.
    Type: Grant
    Filed: September 14, 2018
    Date of Patent: July 28, 2020
    Assignee: Mitsubishi Electric Corporation
    Inventors: Yoshimi Moriya, Shunichi Sekiguchi, Yoshihisa Yamada, Kohtaro Asai
  • 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
  • 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
  • Publication number: 20190335174
    Abstract: A macro block size determining unit 1 determines the size of each macro block on a frame-by-frame basis. A macro block dividing unit 2 divides an inputted image into macro blocks each having the size determined by the macro block size determining unit 1. A macro block coding unit 3 determines a coding mode for each of the macro blocks divided by the macro block dividing unit 2, and codes pixel values in each of the macro blocks in the determined coding mode.
    Type: Application
    Filed: July 9, 2019
    Publication date: October 31, 2019
    Applicant: Mitsubishi Electric Corporation
    Inventors: Yoshimi MORIYA, Shunichi SEKIGUCHI, Yoshihisa YAMADA, Kohtaro ASAI
  • 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
  • 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
  • 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
  • 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
  • Publication number: 20190014318
    Abstract: A macro block size determining unit 1 determines the size of each macro block on a frame-by-frame basis. A macro block dividing unit 2 divides an inputted image into macro blocks each having the size determined by the macro block size determining unit 1. A macro block coding unit 3 determines a coding mode for each of the macro blocks divided by the macro block dividing unit 2, and codes pixel values in each of the macro blocks in the determined coding mode.
    Type: Application
    Filed: September 14, 2018
    Publication date: January 10, 2019
    Applicant: Mitsubishi Electric Corporation
    Inventors: Yoshimi MORIYA, Shunichi Sekiguchi, Yoshihisa Yamada, Kohtaro Asai
  • Patent number: 10142632
    Abstract: A moving image encoding apparatus for dividing a moving image into a plurality of rectangular regions and encoding the moving image in a unit of the rectangular region. There is a rectangular region size determiner which determines a variable size of the rectangular region, a rectangular region divider which divides an inputted image into the rectangular region, and a rectangular region encoder which determines a coding mode for the rectangular region, and encodes pixel values in the rectangular region.
    Type: Grant
    Filed: December 7, 2016
    Date of Patent: November 27, 2018
    Assignee: Mitsubishi Electric Corporation
    Inventors: Yoshimi Moriya, Shunichi Sekiguchi, Yoshihisa Yamada, Kohtaro Asai
  • 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
  • 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
  • Publication number: 20180139442
    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: February 27, 2017
    Publication date: May 17, 2018
    Applicant: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Yoshimi MORIYA, Shunichi SEKIGUCHI, Kazuo SUGIMOTO, Kohtaro ASAI, Tokumichi MURAKAMI
  • Patent number: 9973753
    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: February 27, 2017
    Date of Patent: May 15, 2018
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Yoshimi Moriya, Shunichi Sekiguchi, Kazuo Sugimoto, Kohtaro Asai, Tokumichi Murakami
  • Publication number: 20170171543
    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: February 27, 2017
    Publication date: June 15, 2017
    Applicant: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Yoshimi MORIYA, Shunichi SEKIGUCHI, Kazuo SUGIMOTO, Kohtaro ASAI, Tokumichi MURAKAMI
  • Publication number: 20170085874
    Abstract: A moving image encoding apparatus for dividing a moving image into a plurality of rectangular regions and encoding the moving image in a unit of the rectangular region. There is a rectangular region size determiner which determines a variable size of the rectangular region, a rectangular region divider which divides an inputted image into the rectangular region, and a rectangular region encoder which determines a coding mode for the rectangular region, and encodes pixel values in the rectangular region.
    Type: Application
    Filed: December 7, 2016
    Publication date: March 23, 2017
    Applicant: Mitsubishi Electric Corporation
    Inventors: Yoshimi Moriya, Shunichi Sekiguchi, Yoshihisa Yamada, Kohtaro Asai
  • Patent number: 9591308
    Abstract: A bit stream generating method, generating apparatus, and non-transitory computer readable medium. The bit stream generating method includes determining a size of rectangular region for a sequence, determining a coding mode for the rectangular region, dividing the rectangular region into the prediction blocks, acquiring differences between the predicted image and the pixel values, dividing the rectangular region of the prediction error into blocks, and multiplexing information about the size of the rectangular region for the sequence.
    Type: Grant
    Filed: March 24, 2015
    Date of Patent: March 7, 2017
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Yoshimi Moriya, Shunichi Sekiguchi, Yoshihisa Yamada, Kohtaro Asai
  • Patent number: 9503735
    Abstract: A moving image decoding apparatus and decoding method. The apparatus comprises an entropy decoder, a rectangular region size determiner, and a rectangular region decoder. The rectangular region decoder includes a motion compensator performing motion compensation prediction on a motion compensation region using a motion vector information to obtain a prediction image. Further, there is a transformer performing an inverse quantization and inverse orthogonal transformation process based on the block size indication information.
    Type: Grant
    Filed: January 30, 2015
    Date of Patent: November 22, 2016
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Yoshimi Moriya, Shunichi Sekiguchi, Yoshihisa Yamada, Kohtaro Asai