Patents by Inventor Noboru Yamaguchi

Noboru Yamaguchi 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).

  • Publication number: 20040125876
    Abstract: A video encoding apparatus comprises a motion vector detector to detect a motion vector of an input picture referring to a reference picture, and a predictive encoder to perform forward predictive encoding and bidirectional predictive encoding using the motion vector and the reference picture, the forward predictive encoder subjecting the macroblock of the forward predictive encoded picture to a variable length encoding in not_coded mode when a correlation between the macroblocks of the forward and bi-directional predictive encoded pictures and the reference picture which are located at the same position is high.
    Type: Application
    Filed: September 25, 2003
    Publication date: July 1, 2004
    Inventors: Tomoya Kodama, Noboru Yamaguchi, Atsushi Matsumura
  • Patent number: 6754269
    Abstract: An alpha-map encoding apparatus includes a first down-sampling circuit (21) for down-sampling an alpha-map signal which represents the shape of an object and the position in the frame of the object at a down-sampling ratio based on size conversion ratio information, an up-sampling circuit (23) for up-sampling the alpha-map signal at an up-sampling ratio based on size conversion ratio information given to restore the down-sampled alpha-map signal to an original size, and outputting a local decoded alpha-map signal, a motion estimation/compensation circuit (25) for generating a motion estimation/compensation signal on the basis of the previous decoded video signal and a motion vector signal, a second down-sampling circuit (26) for down-sampling the motion estimation/compensation signal at the down-sampling ratio, a binary image encoder for encoding the alpha-map signal down-sampled by the first down-sampling circuit to a binary image in accordance with the motion estimation/compensation signal down-sampled by t
    Type: Grant
    Filed: August 8, 2000
    Date of Patent: June 22, 2004
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Noboru Yamaguchi, Toshiaki Watanabe, Takashi Ida, Yoshihiro Kikuchi
  • Patent number: 6754268
    Abstract: A video encoding apparatus is provided with a resolution converting section, an encoding section, and a transmitting section. The resolution converting section enlarges or reduces a binary picture which represents the shape of an object. The encoding section encodes a binary picture reduced by the resolution converting section. The reduction ratio used by the resolution converting section is encoded, and the transmitting section transmits this encoded reduction ratio along with encoded data on the binary picture. The amount of encoded data produced from the encoding section is controlled by changing the enlargement/reduction ratio used by the resolution converting section.
    Type: Grant
    Filed: August 8, 2000
    Date of Patent: June 22, 2004
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Noboru Yamaguchi, Toshiaki Watanabe, Takashi Ida, Takaaki Kuratate
  • Patent number: 6750841
    Abstract: A liquid crystal display apparatus comprising a display panel having a plurality of pixels arranged in a matrix, signals lines for inputting a video signal to the plurality of pixels, and switching elements for selecting the pixels individually, a video decoder which decodes input compressed video data to obtain a reconstructed picture signal for each frame, a change region detector for detecting a change region between a previous frame and a current frame by using the reconstructed picture signal, to obtain address data on the change region, a display signal converter for converting the reconstructed picture signal into a display picture signal, a difference signal detector for detecting a difference signal indicating at least a difference between the previous frame and the current frame, a switch driver for selectively driving the switching elements to select the pixels corresponding to the change region in accordance with the address data, and a signal line driver for adding the difference signal and the d
    Type: Grant
    Filed: August 5, 2002
    Date of Patent: June 15, 2004
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Goh Itoh, Hisao Fujiwara, Hitoshi Kobayashi, Haruhiko Okumura, Noboru Yamaguchi, Toshiaki Watanabe, Yoshihiro Kikuchi, Takashi Ida, Takeshi Chujoh, Yoko Sambonsugi, Takeshi Nagai, Rieko Furukawa
  • Publication number: 20040091049
    Abstract: An alpha-map encoding apparatus includes a first down-sampling circuit (21) for down-sampling an alpha-map signal which represents the shape of an object and the position in the frame of the object at a down-sampling ratio based on size conversion ratio information, an up-sampling circuit (23) for up-sampling the alpha-map signal at an up-sampling ratio based on size conversion ratio information given to restore the down-sampled alpha-map signal to an original size, and outputting a local decoded alpha-map signal, a motion estimation/compensation circuit (25) for generating a motion estimation/compensation signal on the basis of the previous decoded video signal and a motion vector signal, a second down-sampling circuit (26) for down-sampling the motion estimation/compensation signal at the down-sampling ratio, a binary image encoder for encoding the alpha-map signal down-sampled by the first down-sampling circuit to a binary image in accordance with the motion estimation/compensation signal down-sampled by t
    Type: Application
    Filed: November 10, 2003
    Publication date: May 13, 2004
    Inventors: Noboru Yamaguchi, Toshiaki Watanabe, Takashi Ida, Yoshihiro Kikuchi
  • Patent number: 6714684
    Abstract: System consistent with this invention comprise a first coding part configured to code a map signal indicative of the position and shape of a content in a screen inputted for every square block of picture signals to be coded, a subband dividing part configured to divide the picture signals into a plurality of subband picture signals, a resolution transform part configured to perform the resolution transform of the map signal into the resolution of each of the subband picture signals divided by the subband dividing part, and a second coding part configured to code each of the subband picture signals divided by the subband dividing part when blocks are inside of the content, and coding only the signals inside of the content when the blocks contain the boundary portion of the content in the subband picture signals according to the map signal resolution-transformed by the resolution transform part.
    Type: Grant
    Filed: November 5, 2002
    Date of Patent: March 30, 2004
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Noboru Yamaguchi, Toshiaki Watanabe, Kenshi Dachiku, Yoshihiro Kikuchi, Takashi Ida, Takeshi Chujoh
  • Patent number: 6697531
    Abstract: In an image data coding and/or decoding system, a coding system performs the two-dimensional orthogonal transform of picture signals of all the pixels with respect to inside blocks and of only picture signals of pixels contained in a content with respect to edge blocks, in accordance with a map signal indicative of the position and shape of the content, and it codes the map signal. A decoding system selects an orthogonal transform coefficient necessary to reproduce an image of a desired resolution, from coded orthogonal coefficients on the basis of a coded and resolution-transformed map signal, and it performs the two-dimensional inverse orthogonal transform of all the coefficients with respect to the inside blocks and of only the coefficients contained in the content with respect to the edge blocks, to derive a resolution-transformed regenerative signal.
    Type: Grant
    Filed: April 25, 2003
    Date of Patent: February 24, 2004
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Noboru Yamaguchi, Toshiaki Watanabe, Kenshi Dachiku, Yoshihiro Kikuchi, Takashi Ida, Takeshi Chujoh
  • Publication number: 20030206660
    Abstract: An image data coding system comprises a screen-area determining means for determining the area of a screen reproduced on the basis of an input image data; a code-amount assigning control means for controlling regions to which data on the screen are to be assigned and the code amount assigned to each of the regions, on the basis of the results determined on the area of the reproduced screen; and a coding means for coding the image data signal inputted in accordance with the code amount assigned to each of the regions.
    Type: Application
    Filed: April 25, 2003
    Publication date: November 6, 2003
    Applicant: Kabushiki Kaisha Toshiba
    Inventors: Noboru Yamaguchi, Toshiaki Watanabe, Kenshi Dachiku, Yoshihiro Kikuchi, Takashi Ida, Takeshi Chujoh
  • Patent number: 6640013
    Abstract: Methods and systems consistent with this invention decode image data. Such methods and systems decode a coded map signal indicative of the position and shape of a content in a screen inputted for every square block of picture signals, perform the resolution transform of the decoded map signal, decode coded orthogonal transform coefficients, perform the two-dimensional inverse orthogonal transform of the orthogonal transform coefficients, and derive a regenerative picture signal by taking out the values of pixels inside of the content from the results of the two-dimensional inverse orthogonal transform based on the resolution-transformed map signal, with respect to the blocks containing the boundary portion of the content.
    Type: Grant
    Filed: December 10, 2001
    Date of Patent: October 28, 2003
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Noboru Yamaguchi, Toshiaki Watanabe, Kenshi Dachiku, Yoshihiro Kikuchi, Takashi Ida, Takeshi Chujoh
  • Publication number: 20030198396
    Abstract: An image data coding system comprises a screen-area determining means for determining the area of a screen reproduced on the basis of an input image data; a code-amount assigning control means for controlling regions to which data on the screen are to be assigned and the code amount assigned to each of the regions, on the basis of the results determined on the area of the reproduced screen; and a coding means for coding the image data signal inputted in accordance with the code amount assigned to each of the regions.
    Type: Application
    Filed: April 25, 2003
    Publication date: October 23, 2003
    Applicant: Kabushiki Kaisha Toshiba
    Inventors: Noboru Yamaguchi, Toshiaki Watanabe, Kenshi Dachiku, Yoshihiro Kikuchi, Takashi Ida, Takeshi Chujoh
  • Publication number: 20030190084
    Abstract: An image data coding system comprises a screen-area determining means for determining the area of a screen reproduced on the basis of an input image data; a code-amount assigning control means for controlling regions to which data on the screen are to be assigned and the code amount assigned to each of the regions, on the basis of the results determined on the area of the reproduced screen; and a coding means for coding the image data signal inputted in accordance with the code amount assigned to each of the regions.
    Type: Application
    Filed: April 25, 2003
    Publication date: October 9, 2003
    Applicant: Kabushiki Kaisha Toshiba
    Inventors: Noboru Yamaguchi, Toshiaki Watanabe, Kenshi Dachiku, Yoshihiro Kikuchi, Takashi Ida, Takeshi Chujoh
  • Patent number: 6614938
    Abstract: An image coding system that codes a map signal indicative of the position and shape of a content in a screen inputted for every block of picture signals to be coded; performs the orthogonal transform of the picture signals in accordance with the map signal to output an orthogonal transform coefficient; and codes the orthogonal transform coefficient. The coding system may perform the two-dimensional orthogonal transform of the picture signals of all the pixels with respect to the blocks located inside of the content, and may perform the orthogonal transform of only the signals of the pixels contained in the content with respect to the blocks containing the boundary portion of the content.
    Type: Grant
    Filed: December 10, 2001
    Date of Patent: September 2, 2003
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Noboru Yamaguchi, Toshiaki Watanabe, Kenshi Dachiku, Yoshihiro Kikuchi, Takashi Ida, Takeshi Chujoh
  • Patent number: 6584230
    Abstract: Methods and systems decode an image content. Such methods and systems decode a coded map signal indicative of the position and shape of a content in a screen inputted for every block of picture signals, perform the resolution transform of the map signal decoded, decode coded orthogonal transform coefficients, perform the inverse orthogonal transform of the orthogonal transform coefficients, and derive a regenerative picture signal resolution transformed from the results in the inverse orthogonal transform.
    Type: Grant
    Filed: December 10, 2001
    Date of Patent: June 24, 2003
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Noboru Yamaguchi, Toshiaki Watanabe, Kenshi Dachiku, Yoshihiro Kikuchi, Takashi Ida, Takeshi Chujoh
  • Patent number: 6567561
    Abstract: A video encoding apparatus is provided with a resolution converting section, an encoding section, and a transmitting section. The resolution converting section enlarges or reduces a binary picture which represents the shape of an object. The encoding section encodes a binary picture reduced by the resolution converting section. The reduction ratio used by the resolution converting section is encoded, and the transmitting section transmits this encoded reduction ratio along with encoded data on the binary picture. The amount of encoded data produced from the encoding section is controlled by changing the enlargement/reduction ratio used by the resolution converting section.
    Type: Grant
    Filed: January 3, 2002
    Date of Patent: May 20, 2003
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Noboru Yamaguchi, Toshiaki Watanabe, Takashi Ida, Takaaki Kuratate
  • Patent number: 6558045
    Abstract: The hybrid connector (1) is completed through first to third assembling steps. The first assembling step inserts sleeves (7, 7) into cylindrical holders (19, 19) to an intermediate insertion state thereof. The second assembling step presses optical element modules (8, 9) against the sleeves (7,7), which consistently further inserts the sleeves (7, 7) into the cylindrical holders (19,19) so that the sleeves (7, 7) are completely received in the cylindrical holders (19, 19). Whereby the second assembling step simultaneously completely assembles the sleeves (7, 7) and the optical element modules (8, 9) into the connector. This provides an effective assembling work thereof. The third assembling step causes a shield case (10) to hold the optical element modules (8, 9), while the shield case 10 engages with the cylindrical holders 19, 19.
    Type: Grant
    Filed: June 13, 2001
    Date of Patent: May 6, 2003
    Assignee: Yazaki Corporation
    Inventor: Noboru Yamaguchi
  • Patent number: 6547446
    Abstract: A hybrid connector is provided, by which the optical loss can be reduced. In the hybrid connector, a housing is provided integrally with receiving cylinders for holding sleeves. An end of the receiving cylinders, into which the corresponding sleeve is inserted, is provided with an engaging part, with which a shield case engages. The case has a spring property so that each optical element module received in the case can be pressed against the corresponding receiving cylinder and/or the corresponding sleeve when the case engages with the engaging parts.
    Type: Grant
    Filed: June 18, 2001
    Date of Patent: April 15, 2003
    Assignee: Yazaki Corporation
    Inventor: Noboru Yamaguchi
  • Patent number: 6546138
    Abstract: A video encoding apparatus is provided with a resolution converting section, an encoding section, and a transmitting section. The resolution converting section enlarges or reduces a binary picture which represents the shape of an object. The encoding section encodes a binary picture reduced by the resolution converting section. The reduction ratio used by the resolution converting section is encoded, and the transmitting section transmits this encoded reduction ratio along with encoded data on the binary picture. The amount of encoded data produced from the encoding section is controlled by changing the enlargement/reduction ratio used by the resolution converting section.
    Type: Grant
    Filed: August 25, 1999
    Date of Patent: April 8, 2003
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Noboru Yamaguchi, Toshiaki Watanabe, Takashi Ida, Takaaki Kuratate
  • Publication number: 20030063808
    Abstract: An image data coding system comprises a screen-area determining means for determining the area of a screen reproduced on the basis of an input image data; a code-amount assigning control means for controlling regions to which data on the screen are to be assigned and the code amount assigned to each of the regions, on the basis of the results determined on the area of the reproduced screen; and a coding means for coding the image data signal inputted in accordance with the code amount assigned to each of the regions.
    Type: Application
    Filed: November 5, 2002
    Publication date: April 3, 2003
    Applicant: Kabushiki Kaisha Toshiba
    Inventors: Noboru Yamaguchi, Toshiaki Watanabe, Kenshi Dachiku, Yoshihiro Kikuchi, Takashi Ida, Takeshi Chujor
  • Publication number: 20030053704
    Abstract: A video encoding apparatus is provided with a resolution converting section, an encoding section, and a transmitting section. The resolution converting section enlarges or reduces a binary picture which represents the shape of an object. The encoding section encodes a binary picture reduced by the resolution converting section. The reduction ratio used by the resolution converting section is encoded, and the transmitting section transmits this encoded reduction ratio along with encoded data on the binary picture. The amount of encoded data produced from the encoding section is controlled by changing the enlargement/reduction ratio used by the resolution converting section.
    Type: Application
    Filed: October 3, 2002
    Publication date: March 20, 2003
    Inventors: Noboru Yamaguchi, Toshiaki Watanabe, Takashi Ida, Takaaki Kuratate
  • Publication number: 20030038982
    Abstract: A video encoding apparatus is provided with a resolution converting section, an encoding section, and a transmitting section. The resolution converting section enlarges or reduces a binary picture which represents the shape of an object. The encoding section encodes a binary picture reduced by the resolution converting section. The reduction ratio used by the resolution converting section is encoded, and the transmitting section transmits this encoded reduction ratio along with encoded data on the binary picture. The amount of encoded data produced from the encoding section is controlled by changing the enlargement/reduction ratio used by the resolution converting section.
    Type: Application
    Filed: October 3, 2002
    Publication date: February 27, 2003
    Inventors: Noboru Yamaguchi, Toshiaki Watanabe, Takashi Ida, Takaaki Kuratate