Patents by Inventor Masayoshi Shimizu

Masayoshi Shimizu 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: 7734111
    Abstract: An image processing apparatus includes a surrounding-pixels selecting unit that selects surrounding pixels that surround a correction pixel in an input image based on a low-pass filter, a reference-pixels selecting unit that selects pixels from the surrounding pixels based on pixel values of the correction pixel and the surrounding pixels, a smoothed-image creating unit that applies the low-pass filter to the reference pixels to create a smoothed image of the reference pixels, and an output image creating unit that creates an output image based on the smoothed image, and a difference image between the smoothed image and the input image.
    Type: Grant
    Filed: August 28, 2006
    Date of Patent: June 8, 2010
    Assignee: Fujitsu Limited
    Inventors: Yuushi Toyoda, Masayoshi Shimizu
  • Patent number: 7729543
    Abstract: In an imaging apparatus, a JPEG coding unit makes JPEG data by respectively compressing plural images obtained from an imaging device. A code retention unit retains each JPEG data. A thumbnail data creation unit creates a thumbnail from each of the images. A thumbnail retention unit retains the thumbnail. A feature point detection unit detects a feature point from the thumbnail. A partial image decode unit respectively decodes zones including the feature points from each JPEG data. A displacement amount calculation unit obtains positional information of feature points in the decoded individual zones and calculates a displacement amount of each JPEG data based on the positional information.
    Type: Grant
    Filed: December 29, 2006
    Date of Patent: June 1, 2010
    Assignee: Fujitsu Limited
    Inventors: Kimitaka Murashita, Masayoshi Shimizu, Shoji Suzuki, Yasuto Watanabe
  • Patent number: 7691500
    Abstract: Embodiments of the present invention help to provide an excellent perpendicular recording medium of high medium signal-to-noise (S/N) and with suppressed blurring in writing. According to one embodiment, a perpendicular recording layer is provided by way of a negative magnetic strain soft-magnetic underlayer above a substrate applied with texturing in the circumferential direction. The soft-magnetic underlayer has a first soft magnetic layer, a second soft magnetic layer and a nonmagnetic magnetic layer formed between the first soft magnetic layer and the second soft magnetic layer in which the first soft magnetic layer and the second soft magnetic layer are antiferromagnetically coupled to each other and the easy magnetization axis is directed in the radial direction.
    Type: Grant
    Filed: November 30, 2007
    Date of Patent: April 6, 2010
    Assignee: Hitachi Global Storage Technologies Netherlands B.V.
    Inventors: Masayoshi Shimizu, Reiko Arai
  • Publication number: 20100073494
    Abstract: An electronic apparatus includes an imager unit, a control unit, a brightness correction determiner unit, and a corrector unit. The imager unit images a picture. The control unit obtains, from the imager unit, data of the imaged picture and an imaging condition applied to the picture. The brightness correction determiner unit compares the obtained imaging condition with a threshold and determines whether or not to correct brightness of the data of the imaged picture. In response to the determination by the determiner unit to correct the brightness, The corrector unit corrects the data of the imaged picture so that the brightness of the imaged picture is increased in accordance with a brightness correction function.
    Type: Application
    Filed: December 2, 2009
    Publication date: March 25, 2010
    Applicant: FUJITSU LIMITED
    Inventors: Masayuki Hirose, Kaoru Chujo, Kimitaka Murashita, Masayoshi Shimizu
  • Patent number: 7664319
    Abstract: A color balance correction device includes a histogram generating unit that generates histograms of a gradation level of pixels for R, G, and B; a decreasing-tendency-area identifying unit that identifies a range that the frequency tends to decrease first from a highlight side of each of histograms generated by the histogram generating unit as the catch light area; and a correction-amount calculating unit that calculates a correction amount of the color balance using data of pixels except for those in the catch light area specified by the decreasing-tendency-area identifying unit.
    Type: Grant
    Filed: April 7, 2006
    Date of Patent: February 16, 2010
    Assignee: Fujitsu Limited
    Inventors: Yuushi Toyoda, Masayoshi Shimizu, Hiroyuki Endo
  • Publication number: 20090268980
    Abstract: An image generating apparatus that generates an output image using a difference between an uncorrected pixel in an image and a smoothed pixel obtained by smoothing the uncorrected pixel. The image generating apparatus includes a storage unit, a tone-converted uncorrected pixel generating unit, a tone-converted smoothed pixel generating unit, and an output image generating unit. The storage unit stores an uncorrected pixel tone table for converting the uncorrected pixel and a smoothed pixel tone table for converting the smoothed pixel. The tone-converted uncorrected pixel generating unit converts the uncorrected pixel to a tone-converted uncorrected pixel based on the uncorrected pixel tone table. The tone-converted smoothed pixel generating unit converts the smoothed pixel to a tone-converted smoothed pixel based on the smoothed pixel tone table. The output image generating unit generates the output image based on a difference between the tone-converted uncorrected pixel and the tone-converted smoothed pixel.
    Type: Application
    Filed: June 22, 2009
    Publication date: October 29, 2009
    Applicant: FUJITSU LIMITED
    Inventors: Yuushi Toyoda, Masayoshi Shimizu
  • Patent number: 7593590
    Abstract: An apparatus divides an original image into a plurality of areas, computes a characteristic amount for the plurality of areas, and computes a statistic amount for estimation of the status of an image using the characteristic amount. The statistic amount is compared with a predetermined value, a correcting parameter for correcting an image is determined based on the comparison result, and the original image is corrected using the correcting parameter. Thus, appropriate corrections can be made to images of various types and statuses.
    Type: Grant
    Filed: September 21, 2001
    Date of Patent: September 22, 2009
    Assignee: Fujitsu Limited
    Inventor: Masayoshi Shimizu
  • Publication number: 20090232416
    Abstract: Adaptive image processing device performs image processing with a simple configuration on a composite image including areas having different characteristics by changing a process depending on the number of combined images in each area of the composite image configured by combining a plurality of images. The image processing device acquires a plurality of images and generates a composite image. When the composite image is generated, the image processing device realizes a process of determining the number of combined images for detecting the number of images to be combined for each area of the composite image and holding the number as information about the number of combined images, and an image processing parameter switching process for switching a parameter of image processing to be performed on each area of the composite image according to the information about the number of combined images.
    Type: Application
    Filed: March 12, 2009
    Publication date: September 17, 2009
    Inventors: Kimitaka MURASHITA, Masayoshi Shimizu, Kaoru Chujo, Takashi Wakamatsu
  • Publication number: 20090185756
    Abstract: An image processing device is for generating a smoothed image with an input image blurred. The device includes first low pass filters each set with a different range of level value, using each pixel in the input image or a first input image generated based on the input image as a pixel of interest, extracting each pixel that has a level value of each pixel in a filter size within a range of level value, and generating a first level value limit smoothed image by smoothing a level value of an extracted pixel to be used as a level value of the pixel of interest. The device also includes a first synthesis processing unit that uses each pixel in the input image or a second input image generated based on the input image as a processing object pixel.
    Type: Application
    Filed: February 17, 2009
    Publication date: July 23, 2009
    Applicant: FUJITSU LIMITED
    Inventors: Yuushi Toyoda, Masayoshi Shimizu
  • Publication number: 20090162573
    Abstract: Soft magnetic film fabricated with preferred uniaxial anisotropy for perpendicular recording. One type of cathode design has a field direction that is parallel to the direction of the Hex of the second SUL with a magnetically-pinned first SUL. In addition, SUL structures having low AP exchange energy also are disclosed. The SUL structure combines the cathode field direction of the SUL2 with the pinned SUL1. The SUL1 is magnetically pinned to the pinning layer and the pinning direction is parallel to the direction of the cathode field applied during deposition of the SUL1. High Hc ferro-magnetic materials may be deposited onto a heated substrate that is magnetized along the radial direction by the cathode field. The pinning field may be higher than the cathode field, indicating that the cathode field during deposition of the SUL2 cannot disturb the magnetic state of the SUL1 pinned to pinning layer.
    Type: Application
    Filed: December 19, 2007
    Publication date: June 25, 2009
    Applicant: HITACHI GLOBAL STORAGE TECHNOLOGIES NETHERLANDS BV
    Inventors: Gunn Choe, Yoshihiro Ikeda, Masayoshi Shimizu, Kiwamu Tanahashi
  • Publication number: 20090086372
    Abstract: Embodiments of the present invention help to provide a discrete track medium for realizing a high track density in a low price by adopting a configuration, in which filling of a non-magnetic material into a guard band portion and smoothing processing of a medium surface are not required. According to one embodiment, a perpendicular magnetic recording medium, on the non-magnetic substrate, includes at least: a soft magnetic underlayer; a first recording layer including a crystal grain having a magnetic property and a non-magnetic grain boundary having an oxide, as a main component, surrounding the crystal grain; a second recording layer containing a ferromagnetic metal as a main component and not containing an oxide; and at least one non-magnetic layer provided between the first recording layer and the second recording layer.
    Type: Application
    Filed: September 26, 2008
    Publication date: April 2, 2009
    Inventors: Takayuki Ichihara, Masayoshi Shimizu
  • Patent number: 7444038
    Abstract: Images at two or more correction levels are output as corrected images for a given image, and a user is allowed to select a preferred corrected image. Based on the selection result of the user, an image to be corrected which is different from the given image is corrected.
    Type: Grant
    Filed: March 29, 2001
    Date of Patent: October 28, 2008
    Assignee: Fujitsu Limited
    Inventors: Masayoshi Shimizu, Shoji Suzuki
  • Publication number: 20080246883
    Abstract: A parameter for determining a chrominance correction curve for use in correcting the chrominance component of each pixel is determined from one or more parameters for determining a luminance correction curve for use in correcting luminance applied to the entirety of one frame of motion picture data. The chrominance component of each pixel is corrected using the chrominance correction curve.
    Type: Application
    Filed: June 16, 2008
    Publication date: October 9, 2008
    Applicant: FUJITSU LIMITED
    Inventors: Kimitaka MURASHITA, Masayoshi Shimizu
  • Publication number: 20080232715
    Abstract: When different images are combined, the corresponding parts are to be aligned accurately. To thus combine images, the feature point of each pixel is calculated from each original image using an operator (filter). The pixels are divided into blocks that the resolution matches that of the reduced image of each original image, and an expectation value map for registering the expectation value of the feature point of each block is drawn. Feature points are expected from the expectation values which the expectation value map holds, and reduced images are superposed one on the other. The feature points of the original images corresponding to the feature points between which the correspondence is derived from the reduced images are extracted, and the original images are superposed one on the other using the extracted feature points.
    Type: Application
    Filed: December 3, 2007
    Publication date: September 25, 2008
    Applicant: FUJITSU LIMITED
    Inventors: Ayu Miyakawa, Masayoshi Shimizu, Yasuhiko Nakano, Yuri Watanabe
  • Publication number: 20080187234
    Abstract: In a device for combining a plurality of images having a same photograph range, a position shift between the images having the same photograph range is detected, and the position shift of the images is corrected, and after the position shift is corrected, similarity of the respective portions between the images is evaluated, and the image combining method is changed according to the similarity evaluation. Therefore it is possible to create an image having no position shift due to the shaking of a camera and object blurring due to the movement of the object. Moreover, whether the images are combined or not is determined according to the similarity, hence the processing load is reduced and an image having no object blurring can be created.
    Type: Application
    Filed: March 14, 2008
    Publication date: August 7, 2008
    Applicant: FUJITSU LIMITED
    Inventors: Yuri Watanabe, Masayoshi Shimizu, Kimitaka Murashita, Ayu Miyakawa, Kaoru Chujo, Takashi Wakamatsu
  • Patent number: 7394931
    Abstract: An image processing method according to this invention includes: generating a histogram by counting a number of pixels for each predetermined color section in a color system having no singular point, for a specific image; detecting a local peak that is a portion where the counted number of pixels is maximum in the generated histogram, and determining a local peak color value, which is a color value corresponding to said local peak; and identifying a pixel in the specific image based on the determined local peak color value. This enables the determination of an appropriate local peak color value regardless of the achromatic color or chromatic color.
    Type: Grant
    Filed: April 6, 2006
    Date of Patent: July 1, 2008
    Assignee: Fujitsu Limited
    Inventor: Masayoshi Shimizu
  • Publication number: 20080130170
    Abstract: Embodiments of the present invention help to provide an excellent perpendicular recording medium of high medium signal-to-noise (S/N) and with suppressed blurring in writing. According to one embodiment, a perpendicular recording layer is provided by way of a negative magnetic strain soft-magnetic underlayer above a substrate applied with texturing in the circumferential direction. The soft-magnetic underlayer has a first soft magnetic layer, a second soft magnetic layer and a nonmagnetic magnetic layer formed between the first soft magnetic layer and the second soft magnetic layer in which the first soft magnetic layer and the second soft magnetic layer are antiferromagnetically coupled to each other and the easy magnetization axis is directed in the radial direction.
    Type: Application
    Filed: November 30, 2007
    Publication date: June 5, 2008
    Applicant: Hitachi Global Storage Technologies Netherlands B.V.
    Inventors: Masayoshi Shimizu, Reiko Arai
  • Publication number: 20080124583
    Abstract: Embodiments of the present invention provide a perpendicular magnetic recording medium which does not cause medium noise to increase due to soft magnetic underlayers, is capable of easily controlling the thickness of a nonmagnetic layer disposed between soft magnetic underlayers, and capable of improving the corrosion resistance of the soft magnetic underlayers. According to one embodiment, in a perpendicular magnetic recording medium, an adhesion layer is formed on a substrate, a soft magnetic underlayer is formed on the adhesion layer, a seed layer and an intermediate layer are formed above the soft magnetic underlayer, and a perpendicular layer is formed on the intermediate layer.
    Type: Application
    Filed: November 9, 2007
    Publication date: May 29, 2008
    Applicant: Hitachi Global Storage Technologies Netherlands B.V.
    Inventors: Reiko Arai, Hiroyuki Suzuki, Masayoshi Shimizu
  • Patent number: 7359100
    Abstract: An image correction method of this invention includes a step of identifying a first pixel that satisfies one of predetermined conditions as to a pixel level, which are set for each color component, among pixels included in a specific image; a step of identifying a second pixel that satisfies the plural aforementioned predetermined conditions as to the pixel level, which are set for each color component, among pixels included in the specific image; a step of calculating an evaluation value relating to a duplication degree of the first pixel and the second pixel; and a correction step of correcting the specific image based on the evaluation value. As a result, it becomes possible to avoid a wrong correction for an object having the chromatic color, and an appropriate image correction is carried out.
    Type: Grant
    Filed: March 10, 2006
    Date of Patent: April 15, 2008
    Assignee: Fujitsu Limited
    Inventor: Masayoshi Shimizu
  • Publication number: 20080074441
    Abstract: An image pickup apparatus includes: a first base image selection unit selecting a piece of image data as a first base image used in superposition; a shift amount calculation unit calculating an amount of shift between the first base image and another different piece of image data; an image superposition unit detecting a superposing area as an area in which the different piece of image data can be superposed on the first base image after a shift correction is made on a basis of the calculated amount of shift, and performing superposition for the superposing area; a second base image selection unit selecting a piece of image data as a second base image used in a non-superposing area; and an image combination unit combining a superposition result with the non-superposing area in the second base image, and outputting image data as a combination result.
    Type: Application
    Filed: September 25, 2007
    Publication date: March 27, 2008
    Applicant: FUJITSU LIMITED
    Inventors: Kaoru CHUJO, Takashi WAKAMATSU, Kimitaka MURASHITA, Masayoshi SHIMIZU, Akifumi IZUMISAWA, Kiyoshi UTSUGI