Patents by Inventor Takuya Jinbo

Takuya Jinbo 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: 6320906
    Abstract: In an animation encoding process, a motion vector which can minimize an AC component included in a discrete cosine transform result is detected. For this purpose, a block X (i, j) to be processed is extracted from an input image X, and a prospective reference block Yk (i, J) is extracted from a reference image Y, wherein k is an integer depending upon the size of a motion vector search range, i=0, . . . , or 3, and j=0, . . . , or 63. From each pixel value in each sub block (including 8×8 pixels) of the block to be processed, an average value Xa (i) of pixels in the sub block is subtracted, and from each pixel value in each sub block (including 8×8 pixels) of the prospective reference block, an average value Yka (i) of pixels in the sub block is subtracted. Then, an evaluation value Sk for block matching is calculated.
    Type: Grant
    Filed: May 20, 1997
    Date of Patent: November 20, 2001
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Masaki Toyokura, Takuya Jinbo
  • Patent number: 5847980
    Abstract: In an IDCT circuit, a first RAC and a second RAC each have a ROM for sequentially generating a plurality of partial products and an accumulator for performing a digit-adjustment accumulation of the generated partial products while truncating the LSB of an intermediate accumulation result for every cycle. The first RAC further has a carry bit generator for holding a carry bit of one cycle before and for generating a carry bit of a current cycle by performing a majority arithmetic operation of the LSB of an intermediate accumulation result of the first RAC, the LSB of an intermediate accumulation result of the second RAC and the one-cycle-before carry bit.
    Type: Grant
    Filed: September 10, 1996
    Date of Patent: December 8, 1998
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Kiyoshi Okamoto, Toshiyuki Araki, Takuya Jinbo