Patents by Inventor Hirokazu Kasahara
Hirokazu Kasahara 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).
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Publication number: 20240070896Abstract: A method of the present disclosure includes (a) generating an input image by imaging a scene containing the M objects by a camera, (b) obtaining a feature map showing feature amounts relating to the N keypoints from the input image using a learned machine learning model with the input image as input and the feature map as output, (c) obtaining three-dimensional coordinates of the N keypoints belonging to each of the M objects using the feature map, and (d) determining positions and attitudes of one or more objects of the M objects using the three-dimensional coordinates of the N keypoints belonging to each of the M objects, wherein (c) includes (c1) obtaining M×N keypoints having undetermined correspondence relationships with the M objects and determining the three-dimensional coordinates of the M×N keypoints, and (c2) grouping the M×N keypoints to the N keypoints belonging to each of the M objects.Type: ApplicationFiled: August 28, 2023Publication date: February 29, 2024Inventors: Masaki HAYASHI, Hirokazu KASAHARA, Guoyi FU, Zhongzhen LUO
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Patent number: 10039478Abstract: In a biological information processing apparatus, a variation index value calculation section calculates a variation index value on the basis of a plurality of measured values obtained by measuring biological information of a subject. A display data generation section generates display data which is used to display a measurement result and undergoes identification display corresponding to the variation index value.Type: GrantFiled: January 29, 2015Date of Patent: August 7, 2018Assignee: SEIKO EPSON CORPORATIONInventors: Hirokazu Kasahara, Tsukasa Eguchi, Hideto Ishiguro
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Patent number: 9970817Abstract: A spectroscopic analysis apparatus includes a spectrum measurement unit that measures an optical spectrum of a measurement target, a storage unit that stores reference data in which an intrinsic wavelength with respect to a known component is recorded, a feature specification section that specifies a feature point corresponding to the intrinsic wavelength in the optical spectrum which is measured by using the reference data, and a wavelength correction section that corrects a wavelength of the feature point in the optical spectrum as the intrinsic wavelength.Type: GrantFiled: September 22, 2015Date of Patent: May 15, 2018Assignee: Seiko Epson CorporationInventors: Kazunori Sakurai, Hirokazu Kasahara
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Patent number: 9716835Abstract: In a biological information acquiring device 10, a sensor module 50 captures a biological image of a subject 2. A touch panel 16 has a display region A11 formed with approximately the same size as a measurement region A13 that matches the range of image capturing of the subject 2 by the sensor module 50, and in the display region A11 a biological image is displayed at approximately the same magnification as the range of image capturing. The image capturing direction of the sensor module 50 and the display direction of the touch panel 16 are in opposite directions, and the measurement region A13 and the display region A11 are arranged in layers at about the same position in a plan view. Accordingly, a target location suitable for acquiring the biological information can be easily specified.Type: GrantFiled: September 30, 2015Date of Patent: July 25, 2017Assignee: Seiko Epson CorporationInventors: Tsukasa Eguchi, Kimitake Mizobe, Hirokazu Kasahara
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Patent number: 9615798Abstract: In a biological information processing apparatus, a body motion detection unit detects a body motion of a subject. A measurement method selection unit selects one measurement method on the basis of a detection result from the body motion detection unit, from among a plurality of measurement methods of measuring a blood glucose level by applying irradiation waves toward a living body of the subject. A measurement result display control unit performs control for displaying a measurement result which is obtained by performing a measurement according to the one measurement method.Type: GrantFiled: January 30, 2015Date of Patent: April 11, 2017Assignee: SEIKO EPSON CORPORATIONInventors: Hirokazu Kasahara, Kazuhiro Nishida, Kimitake Mizobe
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Patent number: 9433385Abstract: In a blood sugar level measuring device, a blood-sugar-level predicting unit predicts a blood sugar level of a user. A light emitting unit irradiates measurement light to the inside of a living organism of the user. A light-emission control unit, a measurement-point-candidate setting unit, a light-amount-control-method determining unit, and a measurement-point selecting unit control a light amount of measurement light per one measurement on the basis of the predicted blood sugar level. A light-reception control unit, a light-absorption-spectrum generating unit, and a blood-sugar-value calculating unit receive reflected light from the user and measure a blood sugar level.Type: GrantFiled: January 20, 2015Date of Patent: September 6, 2016Assignee: SEIKO EPSON CORPORATIONInventors: Hirokazu Kasahara, Kimitake Mizobe, Hideto Ishiguro
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Publication number: 20160098834Abstract: In a biological information acquiring device 10, a sensor module 50 captures a biological image of a subject 2. A touch panel 16 has a display region A11 formed with approximately the same size as a measurement region A13 that matches the range of image capturing of the subject 2 by the sensor module 50, and in the display region A11 a biological image is displayed at approximately the same magnification as the range of image capturing. The image capturing direction of the sensor module 50 and the display direction of the touch panel 16 are in opposite directions, and the measurement region A13 and the display region A11 are arranged in layers at about the same position in a plan view. Accordingly, a target location suitable for acquiring the biological information can be easily specified.Type: ApplicationFiled: September 30, 2015Publication date: April 7, 2016Inventors: Tsukasa EGUCHI, Kimitake MIZOBE, Hirokazu KASAHARA
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Publication number: 20160091369Abstract: A spectroscopic analysis apparatus includes a spectrum measurement unit that measures an optical spectrum of a measurement target, a storage unit that stores reference data in which an intrinsic wavelength with respect to a known component is recorded, a feature specification section that specifies a feature point corresponding to the intrinsic wavelength in the optical spectrum which is measured by using the reference data, and a wavelength correction section that corrects a wavelength of the feature point in the optical spectrum as the intrinsic wavelength.Type: ApplicationFiled: September 22, 2015Publication date: March 31, 2016Inventors: Kazunori SAKURAI, Hirokazu KASAHARA
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Publication number: 20150216457Abstract: A blood glucose level measurement apparatus is a non-invasive measurement apparatus mounted on a wrist or the like of a user and using light, and intermittently measures a blood glucose level of the user. A measurement interval is set according to a measured blood glucose level. For example, in a case where the measured blood glucose level is low, the measurement interval is set to be short.Type: ApplicationFiled: January 29, 2015Publication date: August 6, 2015Inventors: Hirokazu KASAHARA, Kimitake MIZOBE, Hideto ISHIGURO
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Publication number: 20150216482Abstract: In a blood sugar level measuring device, a blood-sugar-level predicting unit predicts a blood sugar level of a user. A light emitting unit irradiates measurement light to the inside of a living organism of the user. A light-emission control unit, a measurement-point-candidate setting unit, a light-amount-control-method determining unit, and a measurement-point selecting unit control a light amount of measurement light per one measurement on the basis of the predicted blood sugar level. A light-reception control unit, a light-absorption-spectrum generating unit, and a blood-sugar-value calculating unit receive reflected light from the user and measure a blood sugar level.Type: ApplicationFiled: January 20, 2015Publication date: August 6, 2015Inventors: Hirokazu KASAHARA, Kimitake MIZOBE, Hideto ISHIGURO
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Publication number: 20150216454Abstract: A blood glucose level measurement apparatus is a non-invasive measurement apparatus which is mounted on the wrist or the like of a user and performs a measurement by using light. When a biological image is captured in order to acquire a blood vessel pattern, not all light emitting elements emit light (entire surface emission is not performed) but some of the light emitting elements within a light emission range emit light. The light emission range is set to a range centering on an irradiation position (measurement light emitting element) in the previous measurement.Type: ApplicationFiled: January 30, 2015Publication date: August 6, 2015Inventors: Hirokazu KASAHARA, Kimitake MIZOBE, Hideto ISHIGURO
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Publication number: 20150216458Abstract: In a biological information processing apparatus, a variation index value calculation section calculates a variation index value on the basis of a plurality of measured values obtained by measuring biological information of a subject. A display data generation section generates display data which is used to display a measurement result and undergoes identification display corresponding to the variation index value.Type: ApplicationFiled: January 29, 2015Publication date: August 6, 2015Inventors: Hirokazu KASAHARA, Tsukasa EGUCHI, Hideto ISHIGURO
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Publication number: 20150216484Abstract: In a biological information processing apparatus, a body motion detection unit detects a body motion of a subject. A measurement method selection unit selects one measurement method on the basis of a detection result from the body motion detection unit, from among a plurality of measurement methods of measuring a blood glucose level by applying irradiation waves toward a living body of the subject. A measurement result display control unit performs control for displaying a measurement result which is obtained by performing a measurement according to the one measurement method.Type: ApplicationFiled: January 30, 2015Publication date: August 6, 2015Inventors: Hirokazu KASAHARA, Kazuhiro NISHIDA, Kimitake MIZOBE
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Patent number: 8503033Abstract: A dither mask is used in a halftone process that is performed by the printer that includes the preceding and following heads. The dither mask includes preceding and following head storage regions. The preceding head storage region is used for a printing portion of the preceding head. The following head storage region is used for a printing portion of the following head. The dither mask is generated by determining, using comprehensive evaluation values, storage elements in which thresholds are to be stored under the condition that dots are permitted to be formed by the preceding and following heads at the same position in the region corresponding the overlapping regions.Type: GrantFiled: December 10, 2010Date of Patent: August 6, 2013Assignee: Seiko Epson CorporationInventors: Kazuyoshi Tanase, Toru Miyamoto, Toru Takahashi, Hirokazu Kasahara
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Patent number: 8424989Abstract: In a printing device for discharging ink from a plurality of print heads and printing on a print medium, the print heads are arrayed in a direction orthogonal to a movement direction relative to the print medium so that overlapping areas are created which overlap in the movement direction. A change rate of the apportionment ratio between a first nozzle row of an upstream print head in the relative movement direction of the print medium and of a second nozzle row and a downstream print head in the ends in the overlapping areas is greater than the change rate of the apportionment ratio in the middle in the overlapping areas. Concentration irregularity occurring in the overlapping areas of the printed article can thereby be made inconspicuous.Type: GrantFiled: March 11, 2011Date of Patent: April 23, 2013Assignee: Seiko Epson CorporationInventor: Hirokazu Kasahara
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Patent number: 8262188Abstract: A printing device includes a first nozzle column in which nozzles discharging liquid to a medium are arranged in a line in a predetermined direction, a second nozzle column in which nozzles discharging liquid to the medium are arranged in the predetermined direction, in which the first and second nozzle columns are arranged in a line in an intersecting direction with respect to the predetermined direction, a control portion which causes the first nozzle column and the second nozzle column to discharge the liquid to the medium while moving the first and second nozzle columns and the medium relatively to each other in a moving direction, in which the control portion forms a certain correction pattern composed of a first pattern formed by the first nozzle column and positioned on one side in the intersecting direction with respect to the moving direction and a second pattern formed by the second nozzle column and positioned on the other side in the intersecting direction with respect to the moving direction in pType: GrantFiled: August 6, 2009Date of Patent: September 11, 2012Assignee: Seiko Epson CorporationInventors: Toru Takahashi, Toru Miyamoto, Hirokazu Kasahara, Hideaki Kasahara
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Patent number: 8243328Abstract: A printing method includes obtaining scene information concerning image data from supplemental data that is appended to the image data; classifying a scene of an image represented by the image data, based on the image data; comparing the classified scene with a scene indicated by the scene information; and printing a printout that is used to urge a user to make a continuation when a mismatch between the classified scene and the scene indicated by the scene information exists.Type: GrantFiled: April 18, 2008Date of Patent: August 14, 2012Assignee: Seiko Epson CorporationInventors: Tsuneo Kasai, Kaori Matsumoto, Hirokazu Kasahara, Kenji Fukasawa, Naoki Kuwata
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Patent number: 8128200Abstract: The first head includes first nozzle rows each having a nozzle for ejecting a fluid of a first color and a nozzle for ejecting a fluid of a second color lined up in a color order in a cross direction. The second head includes second nozzle rows each having the two nozzles lined up in a color order in the cross direction. The controller controls a nozzle to dispose a plurality of color-overlapped dots to form a raster line, such that a ratio of A1 to “A1+A2” is larger than a ratio of B1 to “B1+B2” to form the raster line, where A1 and A2 donate amounts of a fluid of the first color from the first and second nozzle rows, respectively, and B1 and B2 donate amounts of a fluid of the second color from the first and second nozzle rows, respectively.Type: GrantFiled: August 19, 2009Date of Patent: March 6, 2012Assignee: Seiko Epson CorporationInventors: Hirokazu Kasahara, Toru Takahashi, Toru Miyamoto
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Publication number: 20110254888Abstract: In a printing device for discharging ink from a plurality of print heads and printing on a print medium, the print heads are arrayed in a direction orthogonal to a movement direction relative to the print medium so that overlapping areas are created which overlap in the movement direction. A change rate of the apportionment ratio between a first nozzle row of an upstream print head in the relative movement direction of the print medium and of a second nozzle row and a downstream print head in the ends in the overlapping areas is greater than the change rate of the apportionment ratio in the middle in the overlapping areas. Concentration irregularity occurring in the overlapping areas of the printed article can thereby be made inconspicuous.Type: ApplicationFiled: March 11, 2011Publication date: October 20, 2011Applicant: SEIKO EPSON CORPORATIONInventor: Hirokazu KASAHARA
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Patent number: 7970268Abstract: Provided is a photographing parameter setting system including: a photographing device which photographs an image; and a photographing information providing device which provides photographing information for specifying predetermined photographing parameter values to the photographing device, wherein the photographing information providing device includes: a photographing information storage unit which stores photographing information corresponding to a photographing opportunity defined by a temporal range and a geographic range; and a photographing information transmission unit which transmits the photographing information stored in the photographing information storage unit, and wherein the photographing device includes: a photographing information reception unit which receives the photographing information transmitted from the photographing information transmission unit; and a photographing parameter setting unit which sets the predetermined photographing parameter values used for photographing at the photType: GrantFiled: February 8, 2007Date of Patent: June 28, 2011Assignee: Seiko Epson CorporationInventors: Tsuneo Kasai, Hirokazu Kasahara, Michihiro Nagaishi