Patents by Inventor Masafumi Ueno

Masafumi Ueno 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: 20100110300
    Abstract: An image processing device, method, an image display device and method which can obtain a high-definition display image by properly controlling processing of reducing the blur of a displayed image caused by the time integration effect of an image sensor. The image display device comprises a motion detection part (1) which detects the moving amount of an input image signal, and an edge emphasis part (2) which subjects the input image signal to edge emphasis processing, and the image display device increases an edge emphasis degree of edge emphasis processing to an area where the moving amount of the input image signal is large.
    Type: Application
    Filed: April 18, 2008
    Publication date: May 6, 2010
    Inventors: Masafumi Ueno, Kenichiroh Yamamoto, Takashi Yoshii, Hiroyuki Furukawa, Yasuhiro Yoshida, Ikuko Tsubaki
  • Publication number: 20100091185
    Abstract: An image processing device and method, and an image display device and method which realizes a high-definition displayed video by reducing motion blur caused by a holding-type display system and reducing motion blurs of the displayed video caused by the time integration effect of an image sensor while suppressing deterioration of an image. The image display device includes a motion vector detection section (101) which detects a motion vector in each predetermined region between the frames of an inputted image signal, and an edge emphasis part (2) which emphasizes the high-frequency component of the inputted image signal and an interpolated image signal generated by an FRC part (100) according to the motion amount of the inputted image signal detected by the motion vector detection section (101). This compensates the high-frequency component attenuated by the time integration effect of the image sensor to reduce the apparent motion blurs to improve the sharpness of the displayed image.
    Type: Application
    Filed: April 18, 2008
    Publication date: April 15, 2010
    Applicant: SHARP KABUSHIKI KAISHA
    Inventors: Masafumi Ueno, Kenichiroh Yamamoto, Takashi Yoshii, Hiroyuki Furukawa, Yasuhiro Yoshida, Ikuko Tsubaki
  • Publication number: 20100085478
    Abstract: In an image displaying device that includes a frame rate converting (FRC) portion, deterioration in image quality particularly of a telop part is prevented. The FRC portion 100 includes a motion vector detecting portion 101 and an interpolation frame generating portion 102. The motion vector detecting portion 101 includes a frame delaying portion 1 for delaying an input signal by one frame, an initial displacement vector selecting portion 2 for selecting and outputting an initial displacement vector used for vector detection, a motion vector calculating portion 3 for detecting a motion vector using the initial displacement vector, a vector memory 4 for storing a vector detection result, and a telop information detecting portion 5 for detecting an area where one or more telops exist and a moving speed thereof using a vector detection result in a previous frame supplied from the vector memory 4.
    Type: Application
    Filed: February 5, 2007
    Publication date: April 8, 2010
    Inventors: Kenichiroh Yamamoto, Hiroyuki Furukawa, Masafumi Ueno, Yasuhiro Yoshida
  • Publication number: 20100039557
    Abstract: It is an object to prevent the image quality deterioration of a moving image likely to include a plurality of the same consecutive images such as a movie video and an animation video due to the motion-compensated frame rate conversion (FRC) processing. An image displaying device is provided with an FRC portion (10) for converting the number of frames in an input image signal by interpolating an image signal to which a motion compensation processing has been given between the frames in the input image signal, a genre determining portion (14) for determining whether the input image signal is a predetermined genre, and a controlling portion (15).
    Type: Application
    Filed: April 4, 2007
    Publication date: February 18, 2010
    Inventors: Takeshi Mori, Seiji Kohashikawa, Hiroyuki Furukawa, Masafumi Ueno, Kenichiroh Yamamoto, Takashi Yoshii
  • Publication number: 20100026898
    Abstract: Deterioration in image quality of a moving image obtained by special reproduction caused by frame rate conversion (FRC) processing of a motion compensation type is prevented. An image displaying device includes an FRC portion 10 that converts the number of frames of the input image signal by interpolating an image signal to which motion compensation processing has been performed between frames of an input image signal, a special reproduction determining portion 14 that determines whether or not the input image signal is an image signal relating to a predetermined genre, and a controlling portion 15. The FRC portion 10 includes a motion vector detecting portion lie that detects a motion vector between frames of the input image signal, an interpolation vector evaluating portion 11f that assigns an interpolation vector between frames based on the motion vector information, and an interpolation frame generating portion 12d that generates an interpolation frame from the interpolation vector.
    Type: Application
    Filed: February 19, 2007
    Publication date: February 4, 2010
    Inventors: Masafumi Ueno, Kenichiroh Yamamoto, Takashi Yoshii, Hiroyuki Furukawa
  • Publication number: 20100020232
    Abstract: It is an object to prevent the image quality deterioration of a moving image likely to include a plurality of the same consecutive images such as 2-3 or 2-2 pulldown video due to the motion-compensated frame rate conversion (FRC) processing. An image displaying device is provided with an FRC portion (10) for converting the number of frames in an input image signal by interpolating an image signal to which a motion compensation processing has been given between the frames in the input image signal, a pulldown detecting portion (14) for detecting whether the input image signal is an image signal to which pulldown conversion has been performed, and a controlling portion (15).
    Type: Application
    Filed: April 10, 2007
    Publication date: January 28, 2010
    Inventors: Takeshi Mori, Seiji Kohashikawa, Hiroyuki Furukawa, Masafumi Ueno, Kenichiroh Yamamoto, Takashi Yoshii
  • Publication number: 20100020233
    Abstract: A video image transmitting device, a video image receiving device, a video image recording device, a video image reproducing device, and a video image displaying device all having video signal processings such as a frame rate conversion (FRC) enable prevention of degradation of the video image reproduced by a video signal generated by superimposing first and second video signals on each other. The video image transmitting device (1) includes an editing device (2) for superimposing first and second video signals on each other according to video combining information, a video image encoding processing portion (3) and a video image composite information encoding processing portion (4) for encoding the output video signal from the editing device (2) and video combining information respectively, a multiplexing processing portion (5) for multiplexing the encoded data, and a transmitting portion (6) for transmitting the multiplexed data.
    Type: Application
    Filed: March 25, 2008
    Publication date: January 28, 2010
    Inventors: Masafumi Ueno, Kenichiroh Yamamoto, Takashi Yoshii, Hiroyuki Furukawa, Yasuhiro Yoshida
  • Publication number: 20100002133
    Abstract: The quality of moving picture image with a large moving amount is prevented from deterioration due to moving compensation type frame rate conversion (FRC) processing. The image display device is comprised of an FRC unit (10) that interpolates an image signal subjected to moving compensation processing between frames so as to convert the number of frames of the input image signal, a moving amount judging unit (14) that judges whether a moving amount of the input image signal between the frames is larger than a predetermined value or not, and a control unit (15). The FRC unit (10) is provided with a moving vector detecting unit (11e) that detects a moving vector between the frames of the input image signal, an interpolation vector evaluating unit (11f) that allocates an interpolation vector between the frames on the basis of the moving vector information and an interpolation frame generating unit (12d) that generates an interpolation frame from the interpolation vector.
    Type: Application
    Filed: May 18, 2007
    Publication date: January 7, 2010
    Inventors: Masafumi Ueno, Kenichiroh Yamamoto, Takashi Yoshii, Hiroyuki Furukawa, Yasuhiro Yoshida
  • Publication number: 20090268089
    Abstract: It is an object to prevent the image quality deterioration of a moving image likely to include a plurality of the same consecutive images such as a movie video image or a CG video image due to the motion-compensated frame rate conversion (FRC) processing. An image displaying device is provided with an FRC portion (10) for converting the number of frames in an input image signal by interpolating an image signal to which a motion compensation processing has been given between the frames in the input image signal, a controlling portion (14) for controlling each portion according to an image tone mode selected by a user.
    Type: Application
    Filed: April 6, 2007
    Publication date: October 29, 2009
    Inventors: Takeshi Mori, Seiji Kohashikawa, Hiroyuki Furukawa, Masafumi Ueno, Kenichiroh Yamamoto, Takashi Yoshii
  • Publication number: 20090231314
    Abstract: In an image displaying apparatus including a motion compensated rate converting (FRC) portion, deterioration of image quality is prevented in an image having a high-speed region and a low-speed region mixed. The FRC portion includes a motion vector detecting portion 11e and an interpolation frame generating portion 12b. The motion vector detecting portion 11e includes a first region detecting means 112e1 that detects a first region (high-speed region) including a motion amount equal to or greater than a first predetermined amount from an input image signal, a second region detecting means 112e2 that detects a second region (low-speed region) including a motion amount equal to or less than a second predetermined amount from the input image signal, and a third region detecting means 113e that detects a still region from an inter-frame difference of the input image signal.
    Type: Application
    Filed: February 21, 2007
    Publication date: September 17, 2009
    Inventors: Toshiharu Hanaoka, Yasuhiro Yoshida, Masafumi Ueno, Hiroyuki Furukawa, Kenichiroh Yamamoto, Takashi Yoshii
  • Publication number: 20090122188
    Abstract: An image display device comprising a frame rate converting (FRC) portion can prevent image degradation at a screen boundary part attributed to the FRC processing when displaying an image obtained by combining a plurality of screens. The image display device comprises an FRC portion 10 for converting the number of frames of an input image signal by interpolating an image signal subjected to a motion compensation process between frames of the input image signal and a screen combining portion 13 for combining a plurality of screens. When displaying an image obtained by combining a plurality of screens, the screen combining portion 13 combines a plurality of screens by matching a motion detection block boundary when performing the motion compensation process by the FRC portion 10 with the respective screen boundaries of the plurality of screens.
    Type: Application
    Filed: October 11, 2006
    Publication date: May 14, 2009
    Inventors: Toshiharu Hanaoka, Kenichiroh Yamamoto, Hiroyuki Furukawa, Masafumi Ueno, Takashi Yoshii
  • Publication number: 20090059068
    Abstract: In an image display device having a frame rate converting (FRC) portion, it is possible to prevent image degradation of a combined image display portion such as an OSD and PinP attributed to the FRC process. The image display device includes: an FRC portion 10 for converting the number of frames of an input image signal by interpolating an image signal subjected to a motion compensation process between the frames of the input image signal; an OSD processing portion 14 for superposing an OSD signal on the input image signal, and a controlling portion 15. The FRC portion 10 has a motion vector detecting portion 11e for detecting a motion vector between the frames of the input image signal, an interpolation vector evaluating portion 11f for allocating interpolation vector between frames based on the motion vector information, and an interpolation frame generating portion 12d for generating an interpolation frame from the interpolation vector.
    Type: Application
    Filed: September 20, 2006
    Publication date: March 5, 2009
    Inventors: Toshiharu Hanaoka, Kenichiroh Yamamoto, Hiroyuki Furukawa, Masafumi Ueno, Yasuhiro Yoshida
  • Patent number: 7382382
    Abstract: The liquid crystal display device inputs a signal, corrected by a correction circuit provided with a sigmoid inverse function generator, to a source driver. A sigmoid function which is an S-shaped function is used to approximate an input/output characteristic (applied voltage-transmittance curve) of a liquid crystal panel. The sigmoid inverse function generator converts an input signal by using an inverse function of the sigmoid function obtained by performing the approximation. A ? conversion circuit provided on the correction circuit and the sigmoid inverse function generator realize the desired ? characteristic regardless of a characteristic of the liquid crystal panel.
    Type: Grant
    Filed: December 22, 2003
    Date of Patent: June 3, 2008
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Hiroyuki Furukawa, Yasuhiro Yoshida, Masafumi Ueno
  • Publication number: 20070222724
    Abstract: The crosstalk of a display apparatus can be efficiently eliminated to realize a precise, high-quality display. A liquid crystal display apparatus includes, as a crosstalk elimination circuit, an adjacent picture element acquisition circuit (1) that acquires display signals of picture elements adjacent to a self picture element, and two-dimensional LUTs (2) that use the display signals of the adjacent picture elements, acquired by the adjacent picture element acquisition circuit (1), to correct display signals of the self picture element so as to correct RGB display signals. The Picture element display signals as corrected by the correction values output from the LUTs (2) are output to a source driver (4) via a timing controlling unit (TC) (3).
    Type: Application
    Filed: May 9, 2005
    Publication date: September 27, 2007
    Inventors: Masafumi Ueno, Naoko Kondo, Hiroyuki Furukawa, Yasuhiro Yoshida
  • Publication number: 20040150602
    Abstract: The liquid crystal display device inputs a signal, corrected by a correction circuit provided with a sigmoid inverse function generator, to a source driver. A sigmoid function which is an S-shaped function is used to approximate an input/output characteristic (applied voltage-transmittance curve) of a liquid crystal panel. The sigmoid inverse function generator converts an input signal by using an inverse function of the sigmoid function obtained by performing the approximation. A &ggr; conversion circuit provided on the correction circuit and the sigmoid inverse function generator realize the desired &ggr; characteristic regardless of a characteristic of the liquid crystal panel.
    Type: Application
    Filed: December 22, 2003
    Publication date: August 5, 2004
    Inventors: Hiroyuki Furukawa, Yasuhiro Yoshida, Masafumi Ueno
  • Patent number: 6570123
    Abstract: When a jig to be used at the time of cutting and machining a workpiece W with a laser beam machine 1 is produced, a shape of a workpiece supporting portion 23a for supporting the workpiece by abutting on the workpiece at the time of supporting the workpiece is produced from drawing data CD showing the three dimensional shape of the workpiece.
    Type: Grant
    Filed: February 5, 2002
    Date of Patent: May 27, 2003
    Assignee: Yamazaki Mazak Kabushiki Kaisha
    Inventors: Yoshihiko Sakai, Masafumi Ueno, Yoshihisa Yamaoka, Naoomi Miyagawa
  • Publication number: 20020107607
    Abstract: When a jig to be used at the time of cutting and machining a workpiece W with a laser beam machine 1 is produced, a shape of a workpiece supporting portion 23a for supporting the workpiece by abutting on the workpiece at the time of supporting the workpiece is produced from drawing data CD showing the three dimensional shape of the workpiece, two or more jig parts 25 having a shape corresponding to the shape of the workpiece supporting portion are cut out of a material sheet 27 on the basis of the shape of the workpiece supporting portion produced, the two or more jig parts cut out are assembled so as to produce a jig assembly 23 having the shape corresponding to the workpiece supporting portion.
    Type: Application
    Filed: February 5, 2002
    Publication date: August 8, 2002
    Inventors: Yoshihiko Sakai, Masafumi Ueno, Yoshihisa Yamaoka, Naoomi Miyagawa