Patents by Inventor Yukie Yamazaki

Yukie Yamazaki 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: 11800223
    Abstract: A focus adjustment device, that provides a plurality of detection areas in an imaging region, repeatedly generates ranging values for a physical object in the detection areas, and performs focus adjustment for the physical object based on the ranging values, including a processor that has a statistical processing section, a movement state estimating section, a prediction section, and a control section, wherein the statistical processing section subjects ranging values of the plurality of detection areas to statistical processing, the movement state estimating section calculates representative values that contain statistical dispersion based on the statistical processing, and estimates movement state of the physical object based on time-series change in the representative value, the prediction section predicts focal position regarding the physical object based on the movement state that has been estimated, and the control section performs focus adjustment based on the focal position that has been predicted.
    Type: Grant
    Filed: April 19, 2022
    Date of Patent: October 24, 2023
    Assignee: Olympus Corporation
    Inventor: Yukie Yamazaki
  • Publication number: 20230305774
    Abstract: A print control apparatus includes a modification control section configured to change, in accordance with a given number relating to a print request issued by a terminal device, the number or a specification of one or more virtual data conversion servers that convert data of a print job based on the print request into data suitable for the printing apparatus, and an allocation control section configured to allocate the print job to any one of the changed one or more data conversion servers.
    Type: Application
    Filed: March 23, 2023
    Publication date: September 28, 2023
    Inventors: Takumi YOSHIDA, Masayuki KOBAYASHI, Yukie YAMAZAKI
  • Publication number: 20220360721
    Abstract: A focus adjustment device, that provides a plurality of detection areas in an imaging region, repeatedly generates ranging values for a physical object in the detection areas, and performs focus adjustment for the physical object based on the ranging values, including a processor that has a statistical processing section, a movement state estimating section, a prediction section, and a control section, wherein the statistical processing section subjects ranging values of the plurality of detection areas to statistical processing, the movement state estimating section calculates representative values that contain statistical dispersion based on the statistical processing, and estimates movement state of the physical object based on time-series change in the representative value, the prediction section predicts focal position regarding the physical object based on the movement state that has been estimated, and the control section performs focus adjustment based on the focal position that has been predicted.
    Type: Application
    Filed: April 19, 2022
    Publication date: November 10, 2022
    Inventor: Yukie YAMAZAKI
  • Patent number: 10859790
    Abstract: A focusing apparatus includes processing circuitry. The processing circuitry is configured to select an AF area indicating a defocus amount closest to a calculated moving object prediction equation among the latest defocus amounts detected for the plurality of AF areas, in a case where the moving object prediction equation is determined as being established, and the driving direction is determined as being the close-range direction. The moving object prediction equation is determined as being established when a divergence amount between the defocus amount equal to or larger than a predetermined number included in the history and the calculated moving object prediction equation is equal to or lower than a predetermined value.
    Type: Grant
    Filed: May 27, 2019
    Date of Patent: December 8, 2020
    Assignee: Olympus Corporation
    Inventors: Tetsuo Kikuchi, Kazumasa Kunugi, Yukie Yamazaki, Tomohiro Hoshino
  • Patent number: 10750079
    Abstract: A focus adjustment device, comprising a processor having a focus region setting section, a focus detection section, a determination section and a control section, wherein the focus detection region setting section sets a first focus detection region, and a second focus detection region, that is contained in the first focus detection region and that is narrower than the first focus detection region, in an imaging region, the control section, when it is determined that that there is not a periodicity-containing subject for the first focus detection region, and it is determined that there is a periodicity-containing subject for the second focus detection region, performs a focus adjustment operation by selecting a phase difference that is closest to a phase difference that has been detected for the first focus detection region, among a plurality of phase differences that have been detected for the second focus detection region.
    Type: Grant
    Filed: May 31, 2019
    Date of Patent: August 18, 2020
    Assignee: Olympus Corporation
    Inventors: Yukie Yamazaki, Kazumasa Kunugi, Yoshinobu Omata, Tetsuo Kikuchi
  • Patent number: 10681260
    Abstract: A focus detection device, comprising an image sensor having pixel sections that subject light flux that has passed through a photographing lens to pupil division, and that are made up of pairs of pixels that respectively receive the light flux, and processors, wherein the one or more processors calculate degree of similarity between pixel signal rows that are positioned in a direction that is different to the pupil division direction, and are constituted by pixel signals of a plurality of pixels corresponding to at least one of the pairs, and if the degree of similarity is higher that a specified value, generate a spatial addition pixel signal by adding the pairs of pixel signals of the pixel signal row in a direction that is different to the pupil division direction, for each respective pair, and perform phase difference detection based on this spatial addition pixel signal that has been generated.
    Type: Grant
    Filed: February 13, 2019
    Date of Patent: June 9, 2020
    Assignee: Olympus Corporation
    Inventor: Yukie Yamazaki
  • Patent number: 10616468
    Abstract: A focus detection device, comprising an image sensor that outputs an imaging signal, and one or more processors constructed in hardware, the processor performing focus detection using a phase difference detection method based on the imaging signal, wherein the focus detection performs first focus detection based on a signal that has been obtained by subjecting the imaging signal to first filter processing, performs second focus detection based on a signal that has been obtained by subjecting the imaging signal to second filter processing if reliability of the first focus detection is lower than a specified value, and if it is determined that reliability of the second focus detection is lower than a specified value executes third focus detection based on a picture signal that has been obtained by adding a plurality of imaging signals that have been obtained at different times.
    Type: Grant
    Filed: February 4, 2019
    Date of Patent: April 7, 2020
    Assignee: Olympus Corporation
    Inventor: Yukie Yamazaki
  • Publication number: 20190289219
    Abstract: A focus adjustment device, comprising a processor having a focus region setting section, a focus detection section, a determination section and a control section, wherein the focus detection region setting section sets a first focus detection region, and a second focus detection region, that is contained in the first focus detection region and that is narrower than the first focus detection region, in an imaging region, the control section, when it is determined that that there is not a periodicity-containing subject for the first focus detection region, and it is determined that there is a periodicity-containing subject for the second focus detection region, performs a focus adjustment operation by selecting a phase difference that is closest to a phase difference that has been detected for the first focus detection region, among a plurality of phase differences that have been detected for the second focus detection region.
    Type: Application
    Filed: May 31, 2019
    Publication date: September 19, 2019
    Inventors: Yukie YAMAZAKI, Kazumasa KUNUGI, Yoshinobu OMATA, Tetsuo KIKUCHI
  • Publication number: 20190281225
    Abstract: A focus detection device, comprising an image sensor having pixel sections that subject light flux that has passed through a photographing lens to pupil division, and that are made up of pairs of pixels that respectively receive the light flux, and processors, wherein the one or more processors calculate degree of similarity between pixel signal rows that are positioned in a direction that is different to the pupil division direction, and are constituted by pixel signals of a plurality of pixels corresponding to at least one of the pairs, and if the degree of similarity is higher that a specified value, generate a spatial addition pixel signal by adding the pairs of pixel signals of the pixel signal row in a direction that is different to the pupil division direction, for each respective pair, and perform phase difference detection based on this spatial addition pixel signal that has been generated.
    Type: Application
    Filed: February 13, 2019
    Publication date: September 12, 2019
    Inventor: Yukie YAMAZAKI
  • Publication number: 20190278052
    Abstract: A focusing apparatus includes processing circuitry. The processing circuitry is configured to select an AF area indicating a defocus amount closest to a calculated moving object prediction equation among the latest defocus amounts detected for the plurality of AF areas, in a case where the moving object prediction equation is determined as being established, and the driving direction is determined as being the close-range direction. The moving object prediction equation is determined as being established when a divergence amount between the defocus amount equal to or larger than a predetermined number included in the history and the calculated moving object prediction equation is equal to or lower than a predetermined value.
    Type: Application
    Filed: May 27, 2019
    Publication date: September 12, 2019
    Inventors: Tetsuo KIKUCHI, Kazumasa KUNUGI, Yukie YAMAZAKI, Tomohiro HOSHINO
  • Publication number: 20190268542
    Abstract: A focus detection device, comprising an image sensor that outputs an imaging signal, and one or more processors constructed in hardware, the processor performing focus detection using a phase difference detection method based on the imaging signal, wherein the focus detection performs first focus detection based on a signal that has been obtained by subjecting the imaging signal to first filter processing, performs second focus detection based on a signal that has been obtained by subjecting the imaging signal to second filter processing if reliability of the first focus detection is lower than a specified value, and if it is determined that reliability of the second focus detection is lower than a specified value executes third focus detection based on a picture signal that has been obtained by adding a plurality of imaging signals that have been obtained at different times.
    Type: Application
    Filed: February 4, 2019
    Publication date: August 29, 2019
    Inventor: Yukie Yamazaki
  • Patent number: 10244160
    Abstract: In a focus adjustment device that images a subject that has been subjected to pupil division to generate image data, and carries out a focus adjustment operation based on the image data, a focus adjustment operation is carried out based on a first phase difference amount in the event that it has been determined that the first phase difference amount is larger than a first threshold value, and then by executing focus detection after the focus adjustment operation, in the event that it has been determined that reliability of both the first phase difference amount and the second phase difference amount is high, and that a difference between the two is smaller than a second threshold value, and that it has been determined that the first phase difference amount is smaller than the first threshold value, a focus adjustment operation is carried out based on a second phase difference amount.
    Type: Grant
    Filed: December 11, 2017
    Date of Patent: March 26, 2019
    Assignee: Olympus Corporation
    Inventors: Yukie Yamazaki, Kazumasa Kunugi, Tetsuo Kikuchi
  • Publication number: 20180176453
    Abstract: In a focus adjustment device that images a subject that has been subjected to pupil division to generate image data, and carries out a focus adjustment operation based on the image data, a focus adjustment operation is carried out based on a first phase difference amount in the event that it has been determined that the first phase difference amount is larger than a first threshold value, and then by executing focus detection after the focus adjustment operation, in the event that it has been determined that reliability of both the first phase difference amount and the second phase difference amount is high, and that a difference between the two is smaller than a second threshold value, and that it has been determined that the first phase difference amount is smaller than the first threshold value, a focus adjustment operation is carried out based on a second phase difference amount.
    Type: Application
    Filed: December 11, 2017
    Publication date: June 21, 2018
    Inventors: Yukie Yamazaki, Kazumasa Kunugi, Tetsuo Kikuchi
  • Patent number: 9895893
    Abstract: A control unit 6 of a printer 1 determines the combination of conditions of regular flushing that ejects ink into a maintenance unit 5, and onto-paper flushing that ejects ink onto printing paper P, based on the set print mode. To achieve the dot density defined by the selected combination, flushing dots Df are added to the input data 10 to be printed and are printed. When printing, regular flushing is executed at the frequency and strength determined by the selected combination of conditions.
    Type: Grant
    Filed: May 27, 2016
    Date of Patent: February 20, 2018
    Assignee: Seiko Epson Corporation
    Inventors: Yukie Yamazaki, Kimitaka Kamijo
  • Patent number: 9749563
    Abstract: A focal point detection device comprising: an image sensor having a focal point detection pixel, a pixel data generation section to generate pixel data of a basis part and a reference part corresponding to a predetermined AF area using an output of the focal point detection pixel, a plurality of filter sections having different frequency characteristics to perform filter processing on the pixel data, a detection section to detect contrast of subject image data configured with a plurality of pieces of pixel data of the basis part and the reference part, and a calculation section to select a filter section from among the plurality of filter sections depending on the contrast output by the detection section, to perform correlation calculation using pixel data on which the filter processing is performed by the selected filter section to calculate a defocus amount.
    Type: Grant
    Filed: March 17, 2016
    Date of Patent: August 29, 2017
    Assignee: Olympus Corporation
    Inventors: Yukie Yamazaki, Kazumasa Kunugi, Yoshinobu Omata, Tetsuo Kikuchi
  • Patent number: 9509899
    Abstract: A camera system includes an interchangeable lens and a camera main body. The interchangeable lens includes a lens side storage unit that stores pupil related data according to an image height. The camera main body includes an image sensor including focus detection pixels, a main body side storage unit that stores correction data, and a correction unit corrects non-uniformity in illumination distribution of outputs of the focus detection pixels. The pupil related data is data regarding an F-number and an exit pupil position. The data regarding the F-number indicates a range of luminous flux to be applied to the focus detection pixels at a predetermined image height. The data regarding the exit pupil position relates to a position of intersection of a center of luminous flux applied to the focus detection pixels at a predetermined image height and an optical axis of the imaging optical system.
    Type: Grant
    Filed: March 28, 2016
    Date of Patent: November 29, 2016
    Assignee: Olympus Corporation
    Inventors: Tetsuo Kikuchi, Kazumi Ito, Kazumasa Kunugi, Yukie Yamazaki, Yoshinobu Omata
  • Publication number: 20160271954
    Abstract: A control unit 6 of a printer 1 determines the combination of conditions of regular flushing that ejects ink into a maintenance unit 5, and onto-paper flushing that ejects ink onto printing paper P, based on the set print mode. To achieve the dot density defined by the selected combination, flushing dots Df are added to the input data 10 to be printed and are printed. When printing, regular flushing is executed at the frequency and strength determined by the selected combination of conditions.
    Type: Application
    Filed: May 27, 2016
    Publication date: September 22, 2016
    Applicant: Seiko Epson Corporation
    Inventors: Yukie Yamazaki, Kimitaka Kamijo
  • Publication number: 20160212325
    Abstract: A camera system includes an interchangeable lens and a camera main body. The interchangeable lens includes a lens side storage unit that stores pupil related data according to an image height. The camera main body includes an image sensor including focus detection pixels, a main body side storage unit that stores correction data, and a correction unit corrects non-uniformity in illumination distribution of outputs of the focus detection pixels. The pupil related data is data regarding an F-number and an exit pupil position. The data regarding the F-number indicates a range of luminous flux to be applied to the focus detection pixels at a predetermined image height. The data regarding the exit pupil position relates to a position of intersection of a center of luminous flux applied to the focus detection pixels at a predetermined image height and an optical axis of the imaging optical system.
    Type: Application
    Filed: March 28, 2016
    Publication date: July 21, 2016
    Inventors: Tetsuo KIKUCHI, Kazumi ITO, Kazumasa KUNUGI, Yukie YAMAZAKI, Yoshinobu OMATA
  • Publication number: 20160198107
    Abstract: A focal point detection device comprising: an image sensor having a focal point detection pixel, a pixel data generation section to generate pixel data of a basis part and a reference part corresponding to a predetermined AF area using an output of the focal point detection pixel, a plurality of filter sections having different frequency characteristics to perform filter processing on the pixel data, a detection section to detect contrast of subject image data configured with a plurality of pieces of pixel data of the basis part and the reference part, and a calculation section to select a filter section from among the plurality of filter sections depending on the contrast output by the detection section, to perform correlation calculation using pixel data on which the filter processing is performed by the selected filter section to calculate a defocus amount.
    Type: Application
    Filed: March 17, 2016
    Publication date: July 7, 2016
    Inventors: Yukie YAMAZAKI, Kazumasa KUNUGI, Yoshinobu OMATA, Tetsuo KIKUCHI
  • Patent number: 9352570
    Abstract: A control unit 6 of a printer 1 determines the combination of conditions of regular flushing that ejects ink into a maintenance unit 5, and onto-paper flushing that ejects ink onto printing paper P, based on the set print mode. To achieve the dot density defined by the selected combination, flushing dots Df are added to the input data 10 to be printed and are printed. When printing, regular flushing is executed at the frequency and strength determined by the selected combination of conditions.
    Type: Grant
    Filed: February 19, 2015
    Date of Patent: May 31, 2016
    Assignee: Seiko Epson Corporation
    Inventors: Yukie Yamazaki, Kimitaka Kamijo