Patents by Inventor Yoshimitsu Sasaki

Yoshimitsu Sasaki 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: 9438909
    Abstract: A moving image encoding device that divides a moving image signal into a plurality of macroblocks and encodes a difference between each of the macroblocks into which the moving image signal is divided and a motion compensated prediction image includes a prediction processing section configured to perform prediction processing on a plurality of moving image signals, and a control section configured to instruct, when prediction processing for a first moving image signal and prediction processing for a second moving image signal whose frame rate is smaller than a frame rate of the first moving image signal are simultaneously performed, the prediction processing section to reduce an arithmetic amount regarding prediction processing only for the first moving image signal.
    Type: Grant
    Filed: April 23, 2013
    Date of Patent: September 6, 2016
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Yoshimitsu Sasaki, Shinji Kitamura
  • Patent number: 8917766
    Abstract: A picture coding apparatus includes a static area information calculating unit that calculates static area information indicating a size of a static area of which motion is smaller than a predetermined value for each of fields included in an interlaced picture, a reference field selecting unit that selects, as a reference field to be used to predict a field to be coded, one of a field having of the same parity as a field to be coded and a field having the opposite parity of the field to be coded, among fields previously coded, based on the static area information of the fields previously coded, and a coding unit that codes the field to be coded by using the reference field selected by the reference field selecting unit.
    Type: Grant
    Filed: March 30, 2010
    Date of Patent: December 23, 2014
    Assignee: Panasonic Corporation
    Inventors: Koji Arimura, Kenjiro Tsuda, Tatsuro Juri, Yasuharu Tanaka, Yoshimitsu Sasaki, Shinji Kitamura
  • Publication number: 20130235937
    Abstract: A moving image encoding device that divides a moving image signal into a plurality of macroblocks and encodes a difference between each of the macroblocks into which the moving image signal is divided and a motion compensated prediction image includes a prediction processing section configured to perform prediction processing on a plurality of moving image signals, and a control section configured to instruct, when prediction processing for a first moving image signal and prediction processing for a second moving image signal whose frame rate is smaller than a frame rate of the first moving image signal are simultaneously performed, the prediction processing section to reduce an arithmetic amount regarding prediction processing only for the first moving image signal.
    Type: Application
    Filed: April 23, 2013
    Publication date: September 12, 2013
    Applicant: Panasonic Corporation
    Inventors: YOSHIMITSU SASAKI, SHINJI KITAMURA
  • Publication number: 20120008685
    Abstract: A reference picture selection unit compares a predicted inter-coding amount indicating a predicted amount of coding required to perform inter prediction on a coding-target field and a predicted intra-coding amount indicating a predicted amount of coding required to perform intra prediction on the coding-target field. Upon determining that the predicted inter-coding amount is relatively larger than the predicted intra-coding amount, the reference picture selection unit switches the reference picture from a field having the same parity as the coding-target field to a field which is referable and temporally closest to the coding-target field.
    Type: Application
    Filed: September 16, 2011
    Publication date: January 12, 2012
    Applicant: PANASONIC CORPORATION
    Inventors: Yoshimitsu SASAKI, Shinji KITAMURA, Yasuharu TANAKA
  • Publication number: 20110001839
    Abstract: A picture coding apparatus includes a static area information calculating unit that calculates static area information indicating a size of a static area of which motion is smaller than a predetermined value for each of fields included in an interlaced picture, a reference field selecting unit that selects, as a reference field to be used to predict a field to be coded, one of a field having of the same parity as a field to be coded and a field having the opposite parity of the field to be coded, among fields previously coded, based on the static area information of the fields previously coded, and a coding unit that codes the field to be coded by using the reference field selected by the reference field selecting unit.
    Type: Application
    Filed: March 30, 2010
    Publication date: January 6, 2011
    Inventors: Koji ARIMURA, Kenjiro Tsuda, Tatsuro Juri, Yasuharu Tanaka, Yoshimitsu Sasaki, Shinji Kitamura
  • Patent number: 7812875
    Abstract: The signal processing circuit of the present invention comprises a drive unit and a processing unit for picture signal. The drive unit supplies each of the shift pulses separately to the electronic shutter shift register and the readout shift register. The processing unit for picture signal designates a control start position of a digital picture signal outputted from an A/D converter and performs interpolation processing thereon along the horizontal direction and the vertical direction. The drive unit adjusts cycles of each of the shift pulses for controlling a vertical-line readout rate of the solid-state imaging device, and then intermittently reads out the analog picture signal from the solid-state imaging device. The processing unit for picture signal performs vertical-line interpolation processing in accordance with the vertical-line readout rate for extending a part of picture area of the digital picture signal.
    Type: Grant
    Filed: May 19, 2009
    Date of Patent: October 12, 2010
    Assignee: Panasonic Corporation
    Inventors: Kenji Takahashi, Yoshimitsu Sasaki, Toshiyuki Nakashima
  • Publication number: 20090225197
    Abstract: The signal processing circuit of the present invention comprises a drive unit and a processing unit for picture signal. The drive unit supplies each of the shift pulses separately to the electronic shutter shift register and the readout shift register. The processing unit for picture signal designates a control start position of a digital picture signal outputted from an A/D converter and performs interpolation processing thereon along the horizontal direction and the vertical direction. The drive unit adjusts cycles of each of the shift pulses for controlling a vertical-line readout rate of the solid-state imaging device, and then intermittently reads out the analog picture signal from the solid-state imaging device. The processing unit for picture signal performs vertical-line interpolation processing in accordance with the vertical-line readout rate for extending a part of picture area of the digital picture signal.
    Type: Application
    Filed: May 19, 2009
    Publication date: September 10, 2009
    Applicant: Panasonic Corporation
    Inventors: Kenji TAKAHASHI, Yoshimitsu Sasaki, Toshiyuki Nakashima
  • Patent number: 7466346
    Abstract: An image processing device for performing image processing for an image signal output from an image sensor, including: a preprocessing circuit for generating a correction signal based on the image signal from the image sensor; a signal processing circuit for correcting the image signal using the correction signal and converting the corrected signal to a luminance signal and a color-difference signal; and a control block. The control block performs either first processing in which the signal processing circuit uses the correction signal generated based on an image of a frame preceding the frame of an image currently supplied to the signal processing circuit, or second processing in which the image signal obtained from the image sensor is stored in an external memory, the stored image is read and supplied to the signal processing circuit, and the signal processing circuit uses the correction signal generated based on the image of the same frame as the supplied image.
    Type: Grant
    Filed: March 8, 2004
    Date of Patent: December 16, 2008
    Assignee: Panasonic Corporation
    Inventors: Kunihiro Imamura, Takahiro Iwasawa, Yoshimitsu Sasaki
  • Publication number: 20070160355
    Abstract: An imaging device of the present invention includes a MOS image acceptance sensor (12) including a light receiving surface made up of a plurality of pixel portions arrayed in a plurality of lines, a calculation unit (17) of detecting a horizontal shift amount and a vertical shift amount of an image on the light receiving surface at every horizontal cycle of line readout, a horizontal driving unit (13) of determining a head position to be a head pixel of a line at every line depending on the detected horizontal shift amount and a compensation unit (10) of performing horizontal compensation based on the determined pixel position and vertical compensation.
    Type: Application
    Filed: February 21, 2005
    Publication date: July 12, 2007
    Applicant: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
    Inventors: Yoshimitsu Sasaki, Kunihiro Imamura
  • Publication number: 20060244853
    Abstract: The signal processing circuit of the present invention comprises a drive unit and a processing unit for picture signal. The drive unit supplies each of the shift pulses separately to the electronic shutter shift register and the readout shift register. The processing unit for picture signal designates a control start position of a digital picture signal outputted from an A/D converter and performs interpolation processing thereon along the horizontal direction and the vertical direction. The drive unit adjusts cycles of each of the shift pulses for controlling a vertical-line readout rate of the solid-state imaging device, and then intermittently reads out the analog picture signal from the solid-state imaging device. The processing unit for picture signal performs vertical-line interpolation processing in accordance with the vertical-line readout rate for extending a part of picture area of the digital picture signal.
    Type: Application
    Filed: April 24, 2006
    Publication date: November 2, 2006
    Inventors: Kenji Takahashi, Yoshimitsu Sasaki, Toshiyuki Nakashima
  • Publication number: 20040183922
    Abstract: An image processing device for performing image processing for an image signal output from an image sensor, including: a preprocessing circuit for generating a correction signal based on the image signal from the image sensor; a signal processing circuit for correcting the image signal using the correction signal and converting the corrected signal to a luminance signal and a color-difference signal; and a control block. The control block performs either first processing in which the signal processing circuit uses the correction signal generated based on an image of a frame preceding the frame of an image currently supplied to the signal processing circuit, or second processing in which the image signal obtained from the image sensor is stored in an external memory, the stored image is read and supplied to the signal processing circuit, and the signal processing circuit uses the correction signal generated based on the image of the same frame as the supplied image.
    Type: Application
    Filed: March 8, 2004
    Publication date: September 23, 2004
    Applicant: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
    Inventors: Kunihiro Imamura, Takahiro Iwasawa, Yoshimitsu Sasaki
  • Patent number: 4599729
    Abstract: In a semiconductor laser device of the type which includes at least one laminate of a first dielectric layer and a second dielectric layer on at least one of the two facets of a resonator and in which the refractive index of the first dielectric layer is lower than that of the second dielectric layer, the improvement wherein the second dielectric layer consists of an amorphous material containing silicon and hydrogen at its essential constituent elements.
    Type: Grant
    Filed: February 9, 1984
    Date of Patent: July 8, 1986
    Assignee: Hitachi, Ltd.
    Inventors: Yoshimitsu Sasaki, Takashi Kajimura, Naoki Chinone, Michiharu Nakamura
  • Patent number: 4174491
    Abstract: A mount for a light emitting device, which includes a first silicon substrate provided with first holding grooves of trapezoidal cross-section for mounting optical parts arranged in the vicinity of the light emitting plane of a light emitting element and a positioning groove for the light emitting element on the surface thereof, a second silicon substrate provided with second holding grooves having a trapezoidal cross-section similar to that of the first grooves for holding the optical parts and a hole portion for inserting the light emitting element, and a covering member for air tightly covering the hole portion, whereby the optical parts and the light emitting element of the light emitting device are tightly sealed by the above-stated means. The first and second holding grooves have the silicon crystal plane of (111) as both the side surfaces of their trapezoidal cross sections, and extend in the silicon crystal orientation of <110>.
    Type: Grant
    Filed: June 22, 1978
    Date of Patent: November 13, 1979
    Assignee: Hitachi, Ltd.
    Inventors: Satoshi Nakamura, Ichiro Ikushima, Yoshimitsu Sasaki, Katuaki Chiba, Ryoichi Ito