Patents by Inventor Hisashi Saiga

Hisashi Saiga 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: 8107743
    Abstract: The image processing device of the present invention includes: an image acquiring section (2) acquiring image data; an image data generating section (32) generating attribute data including each attribute value indicative of an attribute to which each of a plurality of pixels constituting an image indicated by the image data acquired by the image acquiring section (2) belongs among predetermined attributes; and image data reducing section (34) reducing the attribute data by converting, to one attribute value, at least two attribute values included in the attribute data generated by the attribute data generating section, according to a priority given to the each attribute value. Therefore, it becomes possible to realize an image processing device that can reduce the attribute data while keeping important information included in the attribute data, and further improve encoding efficiency of the attribute data.
    Type: Grant
    Filed: March 27, 2008
    Date of Patent: January 31, 2012
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Hisashi Saiga, Yoichiro Yahata
  • Patent number: 7958056
    Abstract: A contents data creating device is configured by equipping a computer with a contents creating software. In this contents creating software, a license information file stores license information containing information describing the permitted range of input data or output data. A GUI manager module displays a choice of options indicating the range of input data or output data unpermitted with the license information, in the mode different from that of the choice of options indicating the range of input data or output data permitted. The GUI manager module performs a conversion using the range of the input data or the output data inputted from the outside, as a parameter.
    Type: Grant
    Filed: October 14, 2005
    Date of Patent: June 7, 2011
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Hisashi Saiga, Keisuke Iwasaki
  • Patent number: 7830966
    Abstract: The object of the present invention is to provide an image encoding device and decoding device which allows the maximum compression rate to be achieved with a visually uniform level of picture quality. The present invention has a characteristic pixel extractor 0309 which encodes input images by small region unit in accordance with an irreversible compression method, decodes the encoded data which is created, and utilizes the input image and decoded image obtained after decoding to extract characteristic pixels, a characteristic distortion calculator 0311 which utilizes characteristic pixels to calculate characteristic distortion of the decoded image in relation to the input image, and an encoding parameter controller 0312 which controls parameter values determining the degree of data compression in line with the extent of characteristic distortion.
    Type: Grant
    Filed: September 26, 2005
    Date of Patent: November 9, 2010
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Kensaku Kagechi, Hisashi Saiga, Keisuke Iwasaki
  • Patent number: 7706618
    Abstract: An input image is subjected to image region determination in a unit of prescribed block. Based on a result of image region determination, two or more pieces of layer data, of which validity or invalidity at the time of reproduction of the image is defined in a unit of prescribed block are generated by using data of the input image. Then, each of the two or more pieces of layer data is subjected to coding processing under a coding condition suitable for each of the generated two or more pieces of layer data, in a unit of block suitable for each of the two or more pieces of layer data.
    Type: Grant
    Filed: November 1, 2006
    Date of Patent: April 27, 2010
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Yoichiro Yahata, Kensaku Kagechi, Hisashi Saiga
  • Patent number: 7676401
    Abstract: A data distribution system includes a plurality of data sources each capable of transmitting a data item, and a data vending machine capable of receiving the data item from the plurality of data sources and selling the received data item to a user. The data vending machine includes a data selecting apparatus operated by a user to select a desired data item, a data source selecting apparatus connected to the data selecting apparatus for selecting, among the plurality of data sources, one that holds the data item selected by the data selecting apparatus, in accordance with a specific standard, a data receiving apparatus connected to the data source selecting apparatus for receiving selected data item from the data source selected by the data source selecting apparatus, and a data updating apparatus to which an external storage device is detachably mounted, for writing the data item received by the data receiving apparatus to the external storage device.
    Type: Grant
    Filed: December 20, 2005
    Date of Patent: March 9, 2010
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Yuji Sawada, Hisashi Saiga, Masafumi Yamanoue, Keisuke Iwasaki, Yoshihiro Kitamura
  • Publication number: 20080284796
    Abstract: An image automatic display device for reading automatic operation data as one of pieces of input data has a display image data generation device and a display image data generation operation processing unit. The display image data generation device generates image data to be displayed on a display device on the basis of image data read out from an image input device. The display image data generation operation processing unit controls the display image data generation device by using user operation input data inputted through a viewer operation input device and the automatic operation data. The automatic operation data has a plurality of sets of values of various parameters used for generating an image to be displayed. A user performs an operation through the viewer operation input device, so that a desired set to be applied for image generation is designated in the automatic operation data.
    Type: Application
    Filed: February 7, 2008
    Publication date: November 20, 2008
    Applicant: Sharp Kabushiki Kaisha
    Inventors: Kensaku Kagechi, Hisashi Saiga
  • Publication number: 20080240584
    Abstract: The image processing device of the present invention includes: an image acquiring section (2) acquiring image data; an image data generating section (32) generating attribute data including each attribute value indicative of an attribute to which each of a plurality of pixels constituting an image indicated by the image data acquired by the image acquiring section (2) belongs among predetermined attributes; and image data reducing section (34) reducing the attribute data by converting, to one attribute value, at least two attribute values included in the attribute data generated by the attribute data generating section, according to a priority given to the each attribute value. Therefore, it becomes possible to realize an image processing device that can reduce the attribute data while keeping important information included in the attribute data, and further improve encoding efficiency of the attribute data.
    Type: Application
    Filed: March 27, 2008
    Publication date: October 2, 2008
    Inventors: Hisashi SAIGA, Yoichiro Yahata
  • Publication number: 20070294775
    Abstract: A contents data creating device is configured by equipping a computer with a contents creating software. In this contents creating software, a license information file stores license information containing information describing the permitted range of input data or output data. A GUI manager module displays a choice of options indicating the range of input data or output data unpermitted with the license information, in the mode different from that of the choice of options indicating the range of input data or output data permitted. The GUI manager module performs a conversion using the range of the input data or the output data inputted from the outside, as a parameter.
    Type: Application
    Filed: October 14, 2005
    Publication date: December 20, 2007
    Applicant: SHARP KABUSHIKI KAISHA
    Inventors: Hisashi Saiga, Keisuke Iwasaki
  • Patent number: 7283129
    Abstract: An electronic book display control device capable of solving the problem of a conventional page turning method of an electronic book device that pages are turned in accordance with a value predetermined by a speed controller and hence it is difficult to turn pages flexibly in accordance with the contents of the book and the characteristics of the user. The control device is provided with a CPU (1) which controls the whole device, an image data storage unit (2) in which the contents of the book are stored as image data, an image data control unit (3) which receives the image data and performs the required control, a display preparation image data memory unit (4) in which image data of the page being displayed and the page to be displayed next are stored, and a display unit (5) on which information concerning the image data and information concerning the operation of the electronic book are displayed.
    Type: Grant
    Filed: July 18, 2000
    Date of Patent: October 16, 2007
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Yuji Sawada, Yasuhisa Nakamura, Hisashi Saiga, Masafumi Yamanoue, Keisuke Iwasaki, Yoshihiro Kitamura
  • Publication number: 20070098285
    Abstract: An input image is subjected to image region determination in a unit of prescribed block. Based on a result of image region determination, two or more pieces of layer data, of which validity or invalidity at the time of reproduction of the image is defined in a unit of prescribed block are generated by using data of the input image. Then, each of the two or more pieces of layer data is subjected to coding processing under a coding condition suitable for each of the generated two or more pieces of layer data, in a unit of block suitable for each of the two or more pieces of layer data.
    Type: Application
    Filed: November 1, 2006
    Publication date: May 3, 2007
    Inventors: Yoichiro Yahata, Kensaku Kagechi, Hisashi Saiga
  • Publication number: 20060221097
    Abstract: An image automatic display device for reading automatic operation data as one of pieces of input data has a display image data generation device and a display image data generation operation processing unit. The display image data generation device generates image data to be displayed on a display device on the basis of image data read out from an image input device. The display image data generation operation processing unit controls the display image data generation device by using user operation input data inputted through a viewer operation input device and the automatic operation data. The automatic operation data has a plurality of sets of values of various parameters used for generating an image to be displayed. A user performs an operation through the viewer operation input device, so that a desired set to be applied for image generation is designated in the automatic operation data.
    Type: Application
    Filed: June 1, 2006
    Publication date: October 5, 2006
    Applicant: Sharp Kabushiki Kaisha
    Inventors: Kensaku Kagechi, Keisuke Iwasaki, Hisashi Saiga
  • Patent number: 7085379
    Abstract: An image compression apparatus capable of efficiently encoding an image without causing color deviation to the eye compresses luminance element image data and two types of chrominance element image data each consisting of a plurality of blocks.
    Type: Grant
    Filed: November 15, 2000
    Date of Patent: August 1, 2006
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Kensaku Kagechi, Hisashi Saiga, Keisuke Iwasaki
  • Publication number: 20060106677
    Abstract: A data distribution system includes a plurality of data sources each capable of transmitting a data item, and a data vending machine capable of receiving the data item from the plurality of data sources and selling the received data item to a user. The data vending machine includes a data selecting apparatus operated by a user to select a desired data item, a data source selecting apparatus connected to the data selecting apparatus for selecting, among the plurality of data sources, one that holds the data item selected by the data selecting apparatus, in accordance with a specific standard, a data receiving apparatus connected to the data source selecting apparatus for receiving selected data item from the data source selected by the data source selecting apparatus, and a data updating apparatus to which an external storage device is detachably mounted, for writing the data item received by the data receiving apparatus to the external storage device.
    Type: Application
    Filed: December 20, 2005
    Publication date: May 18, 2006
    Applicant: Sharp Kabushiki Kaisha
    Inventors: Yuji Sawada, Hisashi Saiga, Masafumi Yamanoue, Keisuke Iwasaki, Yoshihiro Kitamura
  • Patent number: 7031531
    Abstract: An image coding apparatus corresponding to a standard scheme of binary image compression and having the compression efficiency of a gray scale image improved includes: a bit plane generator (303) dividing unitary image data into a plurality of bit planes determined according to the number of bits forming each pixel, an image preprocessor (305) connected to the bit plane generator (303) to arrange bit data of the same position forming a plurality of bit planes in close proximity to combine into a single bit plane, and a data compressor (306) connected to the image preprocessor (305) to compress an image of the single bit plane.
    Type: Grant
    Filed: August 14, 2000
    Date of Patent: April 18, 2006
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Hisashi Saiga, Keisuke Iwasaki, Kensaku Kagechi
  • Patent number: 7016420
    Abstract: The object of the present invention is to provide an image encoding device and decoding device which allows the maximum compression rate to be achieved with a visually uniform level of picture quality. The present invention has a characteristic pixel extractor 0309 which encodes input images by small region unit in accordance with an irreversible compression method, decodes the encoded data which is created, and utilises the input image and decoded image obtained after decoding to extract characteristic pixels, a characteristic distortion calculator 0311 which utilises characteristic pixels to calculate characteristic distortion of the decoded image in relation to the input image, and an encoding parameter controller 0312 which controls parameter values determining the degree of data compression in line with the extent of characteristic distortion.
    Type: Grant
    Filed: September 19, 2000
    Date of Patent: March 21, 2006
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Kensaku Kagechi, Hisashi Saiga, Keisuke Iwasaki
  • Publication number: 20060023793
    Abstract: The present invention has a characteristic pixel extractor 0309 which encodes input images by small region unit in accordance with an irreversible compression method, decodes the encoded data which is created, and utilises the input image and decoded image obtained after decoding to extract characteristic pixels, a characteristic distortion calculator 0311 which utilises characteristic pixels to calculate characteristic distortion of the decoded image in relation to the input image, and an encoding parameter controller 0312 which controls parameter values determining the degree of data compression in line with the extent of characteristic distortion. The regions of picture quality of a visually uniform level thus obtained are all compressed using an image compression method with a high compression efficiency, thus allowing the maximum compression rate to be achieved.
    Type: Application
    Filed: September 26, 2005
    Publication date: February 2, 2006
    Inventors: Kensaku Kagechi, Hisashi Saiga, Keisuke Iwasaki
  • Publication number: 20050025239
    Abstract: A video coding device capable of adaptively processing input video data according to property of the data and realizing effective progressive transmission of the coded data even if image components are different in size and/or different in the number of subbands. The above-mentioned object can be realized by the provision of a transferring-order deciding and ranging portion that can prepare an integrated component unit by forming combinations of subband-based frequency-coefficients of respective components Y, U and V and can change the number of respective elements of respective components Y, U and V.
    Type: Application
    Filed: July 8, 2004
    Publication date: February 3, 2005
    Applicant: Sharp Kabushiki
    Inventors: Tomoko Aono, Hisashi Saiga, Hiroyuki Katata, Hiroshi Kusao
  • Patent number: 6813314
    Abstract: A video coding device capable of adaptively processing input video data according to property of the data and realizing effective progressive transmission of the coded data even if image components are different in size and/or different in the number of subbands. The above-mentioned object can be realized by the provision of a transferring-order deciding and ranging portion that can prepare an integrated component unit by forming combinations of subband-based frequency-coefficients of respective components Y, U and V and can change the number of respective elements of respective components Y, U and V.
    Type: Grant
    Filed: June 7, 2001
    Date of Patent: November 2, 2004
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Tomoko Aono, Hisashi Saiga, Hiroyuki Katata, Hiroshi Kusao
  • Publication number: 20040080541
    Abstract: Conventional data displays and electronic book devices involve the problem that the operation to highlight displayed data is complex, and therefore the displayed data cannot be read easily depending on the environment where the reader (user) uses the device and on the understanding of the displayed data by the user. A data displaying device of the invention comprising storage means (1) stored with data, displaying means (2) for displaying data, and display control means (3) for controlling the display of data stored in the storage means (1) on the displaying means (2) is characterized by further comprising a highlight displaying means (4) for displaying a visual confirmation guide for highlighting a specific range of the data displayed on the displaying means (2).
    Type: Application
    Filed: October 21, 2003
    Publication date: April 29, 2004
    Inventors: Hisashi Saiga, Keisuke Iwasaki, Hitoshi Hirose, Shigeki Kuga
  • Patent number: 6701331
    Abstract: A data processing device enabling stable data processing reads digital data including object data, an identifier indicating a type of the object data, and an attached program associated with at least one identifier for performing a predetermined process for object data associated with the identifier, to process the object data. The data processing device includes a program storing unit for recording an internal program including a processing module associated with the at least one identifier, an input unit for reading the digital data, and an external program executing unit for processing the object data by one of the attached program and the processing module when the attached program associated with the identifier of the read object data is present in the digital data.
    Type: Grant
    Filed: October 27, 2000
    Date of Patent: March 2, 2004
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Yuji Sawada, Hisashi Saiga, Masafumi Yamanoue, Keisuke Iwasaki, Yoshihiro Kitamura