Patents by Inventor Hiroto Nagayoshi
Hiroto Nagayoshi 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: 11651317Abstract: A work operation analysis system 11 includes: a deviant operation analysis unit 114 that analyzes a work video obtained by photographing work of a worker on a work process basis and, in the case where a deviant operation different from normal work has been detected, identifies the occurrence timing of the deviant operation; a work video accumulation unit (a normal work video accumulation unit 117 and a deviant work video accumulation unit 118) that accumulates a normal work video obtained by preliminarily photographing normal work and a deviant work video obtained when the deviant operation occurred; and a display unit (a display input device 111) that displays the normal work video and the deviant work video having predetermined time including the occurrence timing of the deviant operation.Type: GrantFiled: February 28, 2019Date of Patent: May 16, 2023Assignee: Hitachi, Ltd.Inventors: Hiroto Nagayoshi, Takuma Terada, Nobuhiro Kakeno, Toshihiro Yamada
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Patent number: 11457192Abstract: A digital evidence management system 1 is configured to comprise a storage device that stores log data of a device operated in a predetermined process and video data obtained by shooting the process, and a computing device that executes a processing of specifying sectional video data for a time frame where the log data exists out of the video data, a processing of applying a predetermined data reduction processing to the sectional video data, and a processing of storing the video data subjected to the data reduction processing for the sectional video data in the storage device as digital evidence for the process.Type: GrantFiled: September 4, 2019Date of Patent: September 27, 2022Assignee: HITACHI, LTD.Inventors: Naokazu Nemoto, Hiroto Nagayoshi, Takuma Terada
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Publication number: 20220038671Abstract: A digital evidence management system 1 is configured to comprise a storage device that stores log data of a device operated in a predetermined process and video data obtained by shooting the process, and a computing device that executes a processing of specifying sectional video data for a time frame where the log data exists out of the video data, a processing of applying a predetermined data reduction processing to the sectional video data, and a processing of storing the video data subjected to the data reduction processing for the sectional video data in the storage device as digital evidence for the process.Type: ApplicationFiled: September 4, 2019Publication date: February 3, 2022Inventors: Naokazu NEMOTO, Hiroto NAGAYOSHI, Takuma TERADA
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Publication number: 20210334981Abstract: A pixel-level object detection system that detects an object at a pixel level, includes: an imaging unit that acquires an inference image that is an image that captures a detection target; an area detection unit that detects an area including a detection target from the inference image; a detail detection unit that detects the detection target using only local information from the inference image; and a result integration processing unit that integrates an output of the area detection unit with an output of the detail detection unit to output a segmentation map indicating, as a probability map, which pixel in the image corresponds to the detection object.Type: ApplicationFiled: April 14, 2021Publication date: October 28, 2021Inventors: Yuki INOUE, Hiroto NAGAYOSHI, Masato NAKAMURA
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Publication number: 20200401981Abstract: A work operation analysis system 11 includes: a deviant operation analysis unit 114 that analyzes a work video obtained by photographing work of a worker on a work process basis and, in the case where a deviant operation different from normal work has been detected, identifies the occurrence timing of the deviant operation; a work video accumulation unit (a normal work video accumulation unit 117 and a deviant work video accumulation unit 118) that accumulates a normal work video obtained by preliminarily photographing normal work and a deviant work video obtained when the deviant operation occurred; and a display unit (a display input device 111) that displays the normal work video and the deviant work video having predetermined time including the occurrence timing of the deviant operation.Type: ApplicationFiled: February 28, 2019Publication date: December 24, 2020Inventors: Hiroto NAGAYOSHI, Takuma TERADA, Nobuhiro KAKENO, Toshihiro YAMADA
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Patent number: 9576222Abstract: An image retrieval apparatus comprises: a memory unit that stores image feature values; an acquisition unit that acquires a first image feature value for a retrieval target image; a retrieval unit that retrieves an image feature value that is similar to the first image feature value from the image feature values, based on the first image feature value; a determining unit that determines a linear conversion parameter to be used for linear conversion out of a group of linear conversion parameters based on image feature values for images of the same photographic subject obtained under conditions, based on the first image feature value and image feature values for said photographic subject; a conversion unit that converts the first image feature value by the linear conversion parameter, and converts the image feature value using said linear conversion parameter; and an output unit that outputs the conversion results.Type: GrantFiled: January 29, 2014Date of Patent: February 21, 2017Assignee: Hitachi Kokusai Electric Inc.Inventor: Hiroto Nagayoshi
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Publication number: 20160078314Abstract: An image retrieval apparatus comprises: a memory unit that stores image feature values; an acquisition unit that acquires a first image feature value for a retrieval target image; a retrieval unit that retrieves an image feature value that is similar to the first image feature value from the image feature values, based on the first image feature value; a determining unit that determines a linear conversion parameter to be used for linear conversion out of a group of linear conversion parameters based on image feature values for images of the same photographic subject obtained under conditions, based on the first image feature value and image feature values for said photographic subject; a conversion unit that converts the first image feature value by the linear conversion parameter, and converts the image feature value using said linear conversion parameter; and an output unit that outputs the conversion results.Type: ApplicationFiled: January 29, 2014Publication date: March 17, 2016Applicant: HITACHI KOKUSAI ELECTRIC INC.Inventor: Hiroto NAGAYOSHI
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Patent number: 9189680Abstract: It is provided an authentication system, comprising: a reader for obtaining identification information assigned to an identification device held by a subject; an authentication device for authenticating the identification information obtained by the reader; a camera for photographing a facial image of the subject; and a management device which is coupled to a terminal for issuing an alarm and which includes an image database in which the facial image photographed by the camera is accumulated, in which the management device is configured to: search the image database by using information obtained by at least one of the reader and the camera on an occasion of the authentication; determine a reliability of the authentication based on a result of analyzing the retrieved facial image; and transmit data for issuing the alarm to the terminal in a case where it is determined that the reliability is low.Type: GrantFiled: September 13, 2012Date of Patent: November 17, 2015Assignee: Hitachi Information & Telecommunication Engineering, Ltd.Inventors: Yuto Komatsu, Tomoaki Yoshinaga, Satoshi Someya, Hiroto Nagayoshi, Daisuke Matsubara
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Patent number: 9135273Abstract: Disclosed is a similar facial image search system which is less susceptible to bias in search results even when there is a difference in the angle from which a face is photographed. The present invention is provided with: a means for detecting a first face from the inputted search subject image; a means for calculating and a means for recording a feature value of the detected first face; a means for detecting a second face from an inputted key image used for search; a means for calculating the face angle of the second face; a means for determining a synthesis pattern from the calculated face angle; a means for generating a synthetic face image according to the determined synthesis pattern; a means for calculating the feature value of the second face using the generated synthetic face image; a means for searching a database using a plurality of calculated face feature values as a query; and a means for integrating the plurality of the retrieved search results.Type: GrantFiled: May 24, 2013Date of Patent: September 15, 2015Assignee: Hitachi Kokusai Electric Inc.Inventors: Seiichi Hirai, Shinya Ogura, Naoyuki Shimbo, Hiroto Nagayoshi
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Publication number: 20150112970Abstract: Disclosed is a similar facial image search system which is less susceptible to bias in search results even when there is a difference in the angle from which a face is photographed. The present invention is provided with: a means for detecting a first face from the inputted search subject image; a means for calculating and a means for recording a feature value of the detected first face; a means for detecting a second face from an inputted key image used for search; a means for calculating the face angle of the second face; a means for determining a synthesis pattern from the calculated face angle; a means for generating a synthetic face image according to the determined synthesis pattern; a means for calculating the feature value of the second face using the generated synthetic face image; a means for searching a database using a plurality of calculated face feature values as a query; and a means for integrating the plurality of the retrieved search results.Type: ApplicationFiled: May 24, 2013Publication date: April 23, 2015Applicant: Hitachi Kokusai Electric Inc.Inventors: Seiichi Hirai, Shinya Ogura, Naoyuki Shimbo, Hiroto Nagayoshi
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Publication number: 20130063581Abstract: It is provided an authentication system, comprising: a reader for obtaining identification information assigned to an identification device held by a subject; an authentication device for authenticating the identification information obtained by the reader; a camera for photographing a facial image of the subject; and a management device which is coupled to a terminal for issuing an alarm and which includes an image database in which the facial image photographed by the camera is accumulated, in which the management device is configured to: search the image database by using information obtained by at least one of the reader and the camera on an occasion of the authentication; determine a reliability of the authentication based on a result of analyzing the retrieved facial image; and transmit data for issuing the alarm to the terminal in a case where it is determined that the reliability is low.Type: ApplicationFiled: September 13, 2012Publication date: March 14, 2013Inventors: YUTO KOMATSU, Tomoaki Yoshinaga, Satoshi Someya, Hiroto Nagayoshi, Daisuke Matsubara
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Patent number: 8155423Abstract: A system and method are provided for tracing bank notes or, specifically, counterfeit money. In one example of the tracing system, an automatic teller machine (ATM) electronically connected to one or more devices is provided. The one or more devices comprise a deposit device configured to receive an initial bank note; an image extraction device configured to extract one or more initial images from the initial bank note; a transaction log device configured to attach a transaction log to the one or more initial images, wherein the deposit device is further configured to receive a subsequent bank note, wherein the image extraction device is further configured to extract one or more subsequent images from the subsequent bank note; and a comparison device configured to compare the one or initial images to the one or more subsequent images in order to obtain a comparison result.Type: GrantFiled: January 18, 2011Date of Patent: April 10, 2012Assignee: Hitachi-Omron Terminal Solutions Corp.Inventors: Tatsuhiko Kagehiro, Hiroto Nagayoshi, Hiroshi Sako, Toshiro Uemura, Yuji Nagaya
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Patent number: 8126296Abstract: In order to prevent interception of the information through the leakage electromagnetic waves when transmitting the information using an image display unit, an image converter generates plural converted images, stores the generated converted images in an image storage, an image output unit reads out the converted images from the image storage and transmits the converted images to a screen control unit successively. The screen control unit displays a reception image on an image display unit. The image output unit outputs the converted image group at a high speed, thereby performing a switching display on the image display unit, and to show an image visually equivalent to the input image.Type: GrantFiled: July 10, 2008Date of Patent: February 28, 2012Assignee: Hitachi-Omron Terminal Solutions, CorporationInventors: Takashi Watanabe, Hiroshi Sako, Hiroto Nagayoshi, Toshiro Uemura
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Patent number: 8116597Abstract: In order to prevent interception of information through leakage electromagnetic waves when transmitting the information using an image display unit, an image converter generates plural converted images, stores the generated converted images in an image storage, an image output unit reads out the converted images from the image storage and transmits the converted images to a screen control unit successively. The screen control unit displays a reception image on an image display unit. The image output unit outputs the converted image group at a high speed, thereby performing a switching display on the image display unit, and shows an image visually equivalent to the input image.Type: GrantFiled: February 13, 2009Date of Patent: February 14, 2012Assignee: Hitachi-Omron Terminal Solutions, CorporationInventors: Takashi Watanabe, Hiroshi Sako, Hiroto Nagayoshi, Toshiro Uemura
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Publication number: 20110125641Abstract: A system and method are provided for tracing bank notes or, specifically, counterfeit money. In one example of the tracing system, an automatic teller machine (ATM) electronically connected to one or more devices is provided. The one or more devices comprise a deposit device configured to receive an initial bank note; an image extraction device configured to extract one or more initial images from the initial bank note; a transaction log device configured to attach a transaction log to the one or more initial images, wherein the deposit device is further configured to receive a subsequent bank note, wherein the image extraction device is further configured to extract one or more subsequent images from the subsequent bank note; and a comparison device configured to compare the one or initial images to the one or more subsequent images in order to obtain a comparison result.Type: ApplicationFiled: January 18, 2011Publication date: May 26, 2011Applicant: HITACHI-OMRON TERMINAL SOLUTIONS CORP.Inventors: Tatsuhiko Kagehiro, Hiroto Nagayoshi, Hiroshi Sako, Toshiro Uemura, Yuji Nagaya
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Patent number: 7899233Abstract: A system and method are provided for tracing bank notes or, specifically, counterfeit money. In one example of the tracing system, an automatic teller machine (ATM) electronically connected to one or more devices is provided. The one or more devices comprise a deposit device configured to receive an initial bank note; an image extraction device configured to extract one or more initial images from the initial bank note; a transaction log device configured to attach a transaction log to the one or more initial images, wherein the deposit device is further configured to receive a subsequent bank note, wherein the image extraction device is further configured to extract one or more subsequent images from the subsequent bank note; and a comparison device configured to compare the one or initial images to the one or more subsequent images in order to obtain a comparison result.Type: GrantFiled: November 19, 2003Date of Patent: March 1, 2011Assignee: Hitachi-Omron Terminal Solutions Corp.Inventors: Tatsuhiko Kagehiro, Hiroto Nagayoshi, Hiroshi Sako, Toshiro Uemura, Yuji Nagaya
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Publication number: 20090154765Abstract: In order to prevent interception of information through leakage electromagnetic waves when transmitting the information using an image display unit, an image converter generates plural converted images, stores the generated converted images in an image storage, an image output unit reads out the converted images from the image storage and transmits the converted images to a screen control unit successively. The screen control unit displays a reception image on an image display unit. The image output unit outputs the converted image group at a high speed, thereby performing a switching display on the image display unit, and shows an image visually equivalent to the input image.Type: ApplicationFiled: February 13, 2009Publication date: June 18, 2009Inventors: Takashi Watanabe, Hiroshi SAKO, Hiroto Nagayoshi, Toshiro Uemura
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Patent number: 7518517Abstract: A goods genuineness/counterfeit discrimination method using a plurality of IC tags each having functions of storing genuineness/counterfeit discrimination information and transmitting the genuineness/counterfeit discrimination information and a genuineness/counterfeit discrimination equipment for receiving the genuineness/counterfeit discrimination information from the IC tags to use it for genuineness/counterfeit discrimination, the method including: reading, by means of the genuineness/counterfeit discrimination equipment, information stored in one or more IC tags mounted on goods on which a first predetermined number of IC tags are mounted; and discriminating genuineness/counterfeit of the goods by determining, by means of the genuineness/counterfeit discrimination equipment, whether or not partial information is identical to each other among genuineness/counterfeit discrimination information read from IC tags equal to or more than a second predetermined number of IC tags mounted on the goods, the second pType: GrantFiled: March 21, 2007Date of Patent: April 14, 2009Assignee: Hitachi, Ltd.Inventors: Hiroshi Sako, Tatsuhiko Kagehiro, Hiroto Nagayoshi, Satomi Baba
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Publication number: 20090041380Abstract: In order to prevent interception of the information through the leakage electromagnetic waves when transmitting the information using an image display unit, an image converter generates plural converted images, stores the generated converted images in an image storage, an image output unit reads out the converted images from the image storage and transmits the converted images to a screen control unit successively. The screen control unit displays a reception image on an image display unit. The image output unit outputs the converted image group at a high speed, thereby performing a switching display on the image display unit, and to show an image visually equivalent to the input image.Type: ApplicationFiled: July 10, 2008Publication date: February 12, 2009Inventors: Takashi Watanabe, Hiroshi Sako, Hiroto Nagayoshi, Toshiro Uemura
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Publication number: 20070273512Abstract: A goods genuineness/counterfeit discrimination method using a plurality of IC tags each having functions of storing genuineness/counterfeit discrimination information and transmitting the genuineness/counterfeit discrimination information and a genuineness/counterfeit discrimination equipment for receiving the genuineness/counterfeit discrimination information from the IC tags to use it for genuineness/counterfeit discrimination, the method including: reading, by means of the genuineness/counterfeit discrimination equipment, information stored in one or more IC tags mounted on goods on which a first predetermined number of IC tags are mounted; and discriminating genuineness/counterfeit of the goods by determining, by means of the genuineness/counterfeit discrimination equipment, whether or not partial information is identical to each other among genuineness/counterfeit discrimination information read from IC tags equal to or more than a second predetermined number of IC tags mounted on the goods, the second pType: ApplicationFiled: March 21, 2007Publication date: November 29, 2007Inventors: Hiroshi Sako, Tatsuhiko Kagehiro, Hiroto Nagayoshi, Satomi Baba