Patents by Inventor Ayumi MATSUMOTO
Ayumi MATSUMOTO 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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Patent number: 11816839Abstract: Provided is technology for extracting a person region from an image, that can suppress preparation costs of learning data. Included are a composited learning data generating unit that generates, from already-existing learning data that is a set of an image including a person region and a mask indicating the person region, and a background image to serve as a background of a composited image, composited learning data that is a set of a composited image and a compositing mask indicating a person region in the composited image, and a learning unit that learns model parameters using the composited learning data.Type: GrantFiled: May 20, 2019Date of Patent: November 14, 2023Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Ayumi Matsumoto, Dan Mikami, Hideaki Kimata
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Patent number: 11810306Abstract: A motion classification model learning apparatus that learns a model for early recognizing a motion is provided. A training data acquisition part acquiring training data configured with pairs of video information about a motion that can be classified into any of a plurality of categories according to characteristics of the motion and category information that is a correct label corresponding to the video information; a motion history image generation part generation a motion history image of the video information; and a model learning part learning a model that outputs a label that is the category information, with the motion history image as an input are included.Type: GrantFiled: April 23, 2019Date of Patent: November 7, 2023Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Mariko Isogawa, Dan Mikami, Kosuke Takahashi, Hideaki Kimata, Ayumi Matsumoto
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Publication number: 20220314092Abstract: A virtual reality system is provided that includes a video presentation apparatus, the virtual reality system comprising: the video presentation apparatus which includes circuitry configured to: obtain as input a video sequence composed of a plurality of frames and mask information specifying a complementation target region in the video sequence; separate a frame into a foreground region and a background region based on binary images representing differences between the plurality of frames included in the video sequence; determine either one of patch-search-based completion and paste synthesis as a complementation method for the complementation target region based on a number of pixels belonging to the foreground region and located within a given distance from a periphery of the complementation target region; and complement the complementation target region in accordance with the complementation method; and a virtual reality head mounted display which presents the complemented video sequence to the user.Type: ApplicationFiled: June 21, 2022Publication date: October 6, 2022Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Kosuke TAKAHASHI, Dan Mikami, Mariko Isogawa, Akira Kojima, Hideaki Kimata, Ayumi Matsumoto
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Patent number: 11395947Abstract: A virtual reality system is provided that includes a video presentation apparatus, the virtual reality system comprising: the video presentation apparatus which includes circuitry configured to: obtain as input a video sequence composed of a plurality of frames and mask information specifying a complementation target region in the video sequence; separate a frame into a foreground region and a background region based on binary images representing differences between the plurality of frames included in the video sequence; determine either one of patch-search-based completion and paste synthesis as a complementation method for the complementation target region based on a number of pixels belonging to the foreground region and located within a given distance from a periphery of the complementation target region; and complement the complementation target region in accordance with the complementation method; and a virtual reality head mounted display which presents the complemented video sequence to the user.Type: GrantFiled: October 23, 2020Date of Patent: July 26, 2022Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Kosuke Takahashi, Dan Mikami, Mariko Isogawa, Akira Kojima, Hideaki Kimata, Ayumi Matsumoto
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Publication number: 20210224590Abstract: Provided is technology for extracting a person region from an image, that can suppress preparation costs of learning data. Included are a composited learning data generating unit that generates, from already-existing learning data that is a set of an image including a person region and a mask indicating the person region, and a background image to serve as a background of a composited image, composited learning data that is a set of a composited image and a compositing mask indicating a person region in the composited image, and a learning unit that learns model parameters using the composited learning data.Type: ApplicationFiled: May 20, 2019Publication date: July 22, 2021Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Ayumi MATSUMOTO, Dan MIKAMI, Hideaki KIMATA
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Publication number: 20210225007Abstract: A motion classification model learning apparatus that learns a model for early recognizing a motion is provided. A training data acquisition part acquiring training data configured with pairs of video information about a motion that can be classified into any of a plurality of categories according to characteristics of the motion and category information that is a correct label corresponding to the video information; a motion history image generation part generation a motion history image of the video information; and a model learning part learning a model that outputs a label that is the category information, with the motion history image as an input are included.Type: ApplicationFiled: April 23, 2019Publication date: July 22, 2021Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Mariko ISOGAWA, Dan MIKAMI, Kosuke TAKAHASHI, Hideaki KIMATA, Ayumi MATSUMOTO
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Publication number: 20210106893Abstract: A virtual reality system is provided that includes a video presentation apparatus, the virtual reality system comprising: the video presentation apparatus which includes circuitry configured to: obtain as input a video sequence composed of a plurality of frames and mask information specifying a complementation target region in the video sequence; separate a frame into a foreground region and a background region based on binary images representing differences between the plurality of frames included in the video sequence; determine either one of patch-search-based completion and paste synthesis as a complementation method for the complementation target region based on a number of pixels belonging to the foreground region and located within a given distance from a periphery of the complementation target region; and complement the complementation target region in accordance with the complementation method; and a virtual reality head mounted display which presents the complemented video sequence to the user.Type: ApplicationFiled: October 23, 2020Publication date: April 15, 2021Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Kosuke TAKAHASHI, Dan MIKAMI, Mariko ISOGAWA, Akira KOJIMA, Hideaki KIMATA, Ayumi MATSUMOTO
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Patent number: 10850177Abstract: Preliminary experience of a match at a player's perspective is enabled. A virtual environment material storage 13 has stored therein virtual environment materials for reproducing a dynamic object and a static object on a virtual environment. A dynamic object sensing unit 11 chronologically measures a position and a posture of the dynamic object in a real environment and generates position and posture information composed of one movement action. A presentation sequence acquisition unit 17 obtains a presentation sequence including position and posture information of a plurality of different kinds of dynamic objects. A virtual environment construction unit 14 synthesizes a virtual environment material of the dynamic object and a virtual environment material of the static object based on the presentation sequence to construct the virtual environment.Type: GrantFiled: January 26, 2017Date of Patent: December 1, 2020Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Kosuke Takahashi, Dan Mikami, Mariko Isogawa, Akira Kojima, Hideaki Kimata, Ayumi Matsumoto
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Publication number: 20190022492Abstract: Preliminary experience of a match at a player's perspective is enabled. A virtual environment material storage 13 has stored therein virtual environment materials for reproducing a dynamic object and a static object on a virtual environment. A dynamic object sensing unit 11 chronologically measures a position and a posture of the dynamic object in a real environment and generates position and posture information composed of one movement action. A presentation sequence acquisition unit 17 obtains a presentation sequence including position and posture information of a plurality of different kinds of dynamic objects. A virtual environment construction unit 14 synthesizes a virtual environment material of the dynamic object and a virtual environment material of the static object based on the presentation sequence to construct the virtual environment.Type: ApplicationFiled: January 26, 2017Publication date: January 24, 2019Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Kosuke TAKAHASHI, Dan MIKAMI, Mariko ISOGAWA, Akira KOJIMA, Hideaki KIMATA, Ayumi MATSUMOTO
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Patent number: 10067480Abstract: An electronic device includes at least an acquisition unit, an input unit, a time correction amount calculation unit, and a transmitting unit. A timepiece includes at least a receiving unit, a power storage unit, a drive unit, and a control unit. The input unit receives an input of the time displayed by the display unit of the timepiece. The time correction amount calculation unit calculates a time correction amount for correcting the time of the timepiece from a difference between the time, the input of which is received by the input unit and the current time acquired by the acquisition unit. The transmitting unit transmits the time correction amount to the timepiece by using light. The receiving unit receives the time correction amount. The power storage unit stores electricity by using power converted from the light. The drive unit drives the indicating hand. The control unit corrects the time displayed by the indicating hand, based on the time correction amount received by the receiving unit.Type: GrantFiled: October 17, 2014Date of Patent: September 4, 2018Assignee: SEIKO INSTRUMENTS INC.Inventors: Kenji Ogasawara, Akira Takakura, Kazumi Sakumoto, Tamotsu Maesawa, Kazuhiro Koyama, Tomohiro Ihashi, Kosuke Yamamoto, Ayumi Matsumoto
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Patent number: 9800333Abstract: An electronic device includes a display part having a light source which transmits an optical signal, a direction detection part for detecting a direction of orientation of a display screen of the display part, and a controller for transmitting data by the optical signal from the display part to an electronic timepiece when the direction of orientation of the display screen detected by the detection part faces a predetermined direction.Type: GrantFiled: September 15, 2015Date of Patent: October 24, 2017Assignee: SEIKO INSTRUMENTS INC.Inventors: Kenji Ogasawara, Akira Takakura, Kazumi Sakumoto, Tamotsu Maesawa, Kazuhiro Koyama, Tomohiro Ihashi, Kosuke Yamamoto, Ayumi Matsumoto
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Publication number: 20160266554Abstract: An electronic device includes at least an acquisition unit, an input unit, a time correction amount calculation unit, and a transmitting unit. A timepiece includes at least a receiving unit, a power storage unit, a drive unit, and a control unit. The input unit receives an input of the time displayed by the display unit of the timepiece. The time correction amount calculation unit calculates a time correction amount for correcting the time of the timepiece from a difference between the time, the input of which is received by the input unit and the current time acquired by the acquisition unit. The transmitting unit transmits the time correction amount to the timepiece by using light. The receiving unit receives the time correction amount. The power storage unit stores electricity by using power converted from the light. The drive unit drives the indicating hand. The control unit corrects the time displayed by the indicating hand, based on the time correction amount received, by the receiving unit .Type: ApplicationFiled: October 17, 2014Publication date: September 15, 2016Inventors: Kenji OGASAWARA, Akira TAKAKURA, Kazumi SAKUMOTO, Tamotsu MAESAWA, Kazuhiro KOYAMA, Tomohiro IHASHI, Kosuke YAMAMOTO, Ayumi MATSUMOTO
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Patent number: 9442465Abstract: An electronic timepiece includes a solar power source, a voltage stabilizer circuit that generates a constant voltage by using power supplied from the solar power source, and a control circuit that clocks the time by driving a rotating body at first hand operation speed and at second hand operation speed which is faster than the first hand operation speed. The control circuit selects a voltage of the solar power source so as to drive the rotating body in a case of the first hand operation speed, and selects at least any one voltage of the constant voltage and the voltage of the solar power source so as to drive the rotating body in a case of the second hand operation speed.Type: GrantFiled: November 12, 2015Date of Patent: September 13, 2016Assignee: SEIKO INSTRUMENTS INC.Inventors: Kosuke Yamamoto, Kenji Ogasawara, Kazuhiro Koyama, Kazumi Sakumoto, Tamotsu Maesawa, Tomohiro Ihashi, Ayumi Matsumoto, Akira Takakura
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Publication number: 20160139569Abstract: An electronic timepiece includes a solar power source, a voltage stabilizer circuit that generates a constant voltage by using power supplied from the solar power source, and a control circuit that clocks the time by driving a rotating body at first hand operation speed and at second hand operation speed which is faster than the first hand operation speed. The control circuit selects a voltage of the solar power source so as to drive the rotating body in a case of the first hand operation speed, and selects at least any one voltage of the constant voltage and the voltage of the solar power source so as to drive the rotating body in a case of the second hand operation speed.Type: ApplicationFiled: November 12, 2015Publication date: May 19, 2016Inventors: Kosuke YAMAMOTO, Kenji OGASAWARA, Kazuhiro KOYAMA, Kazumi SAKUMOTO, Tamotsu MAESAWA, Tomohiro IHASHI, Ayumi MATSUMOTO, Akira TAKAKURA
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Publication number: 20160080078Abstract: To perform stable communication in communication by an optical signal. An electronic device includes a display part having a light source which transmits an optical signal, a direction detection part detecting a direction of a display screen of the display part and a controller transmitting data by the optical signal from the display part to an electronic timepiece when the direction of the display screen detected by the detection part becomes a predetermined direction.Type: ApplicationFiled: September 15, 2015Publication date: March 17, 2016Inventors: Kenji OGASAWARA, Akira TAKAKURA, Kazumi SAKUMOTO, Tamotsu MAESAWA, Kazuhiro KOYAMA, Tomohiro IHASHI, Kosuke YAMAMOTO, Ayumi MATSUMOTO
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Publication number: 20160080076Abstract: To receive data normally in communication by an optical signal by an electronic device which transmits data even when a transmission frequency differs. An electronic device transmits a transmission-frequency measurement signal for measuring a transmission frequency of data and transmits the data by using a light source which transmits an optical signal. An electronic timepiece specifies the transmission frequency of data based on the transmission-frequency measurement signal received by a solar battery which receives the optical signal and receiving the data by the solar battery based on the specified transmission frequency.Type: ApplicationFiled: September 15, 2015Publication date: March 17, 2016Inventors: Tomohiro IHASHI, Kenji OGASAWARA, Akira TAKAKURA, Kazumi SAKUMOTO, Tamotsu MAESAWA, Kazuhiro KOYAMA, Kosuke YAMAMOTO, Ayumi MATSUMOTO
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Publication number: 20140243693Abstract: An electronic device to further reduce power consumption is provided. The electronic device includes a receiving circuit which receives a heart rate signal transmitted from a heart rate measurement device, a noise detection unit which determines whether the receiving circuit normally receives the heart rate signal or not, and a receiving circuit control unit which allows the receiving circuit to be intermittently operated when the noise detection unit determines that the heart rate signal is not received continuously for a given period of time.Type: ApplicationFiled: February 19, 2014Publication date: August 28, 2014Applicant: SEIKO INSTRUMENTS INC.Inventors: Kazuhiro KOYAMA, Takanori HASEGAWA, Ayumi MATSUMOTO, Akira TAKAKURA