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).

  • Patent number: 11651317
    Abstract: 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: Grant
    Filed: February 28, 2019
    Date of Patent: May 16, 2023
    Assignee: Hitachi, Ltd.
    Inventors: Hiroto Nagayoshi, Takuma Terada, Nobuhiro Kakeno, Toshihiro Yamada
  • Patent number: 11457192
    Abstract: 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: Grant
    Filed: September 4, 2019
    Date of Patent: September 27, 2022
    Assignee: HITACHI, LTD.
    Inventors: Naokazu Nemoto, Hiroto Nagayoshi, Takuma Terada
  • Publication number: 20220038671
    Abstract: 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: Application
    Filed: September 4, 2019
    Publication date: February 3, 2022
    Inventors: Naokazu NEMOTO, Hiroto NAGAYOSHI, Takuma TERADA
  • Publication number: 20210334981
    Abstract: 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: Application
    Filed: April 14, 2021
    Publication date: October 28, 2021
    Inventors: Yuki INOUE, Hiroto NAGAYOSHI, Masato NAKAMURA
  • Publication number: 20200401981
    Abstract: 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: Application
    Filed: February 28, 2019
    Publication date: December 24, 2020
    Inventors: Hiroto NAGAYOSHI, Takuma TERADA, Nobuhiro KAKENO, Toshihiro YAMADA
  • Patent number: 9576222
    Abstract: 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: Grant
    Filed: January 29, 2014
    Date of Patent: February 21, 2017
    Assignee: Hitachi Kokusai Electric Inc.
    Inventor: Hiroto Nagayoshi
  • Publication number: 20160078314
    Abstract: 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: Application
    Filed: January 29, 2014
    Publication date: March 17, 2016
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventor: Hiroto NAGAYOSHI
  • Patent number: 9189680
    Abstract: 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: Grant
    Filed: September 13, 2012
    Date of Patent: November 17, 2015
    Assignee: Hitachi Information & Telecommunication Engineering, Ltd.
    Inventors: Yuto Komatsu, Tomoaki Yoshinaga, Satoshi Someya, Hiroto Nagayoshi, Daisuke Matsubara
  • Patent number: 9135273
    Abstract: 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: Grant
    Filed: May 24, 2013
    Date of Patent: September 15, 2015
    Assignee: Hitachi Kokusai Electric Inc.
    Inventors: Seiichi Hirai, Shinya Ogura, Naoyuki Shimbo, Hiroto Nagayoshi
  • Publication number: 20150112970
    Abstract: 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: Application
    Filed: May 24, 2013
    Publication date: April 23, 2015
    Applicant: Hitachi Kokusai Electric Inc.
    Inventors: Seiichi Hirai, Shinya Ogura, Naoyuki Shimbo, Hiroto Nagayoshi
  • Publication number: 20130063581
    Abstract: 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: Application
    Filed: September 13, 2012
    Publication date: March 14, 2013
    Inventors: YUTO KOMATSU, Tomoaki Yoshinaga, Satoshi Someya, Hiroto Nagayoshi, Daisuke Matsubara
  • Patent number: 8155423
    Abstract: 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: Grant
    Filed: January 18, 2011
    Date of Patent: April 10, 2012
    Assignee: Hitachi-Omron Terminal Solutions Corp.
    Inventors: Tatsuhiko Kagehiro, Hiroto Nagayoshi, Hiroshi Sako, Toshiro Uemura, Yuji Nagaya
  • Patent number: 8126296
    Abstract: 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: Grant
    Filed: July 10, 2008
    Date of Patent: February 28, 2012
    Assignee: Hitachi-Omron Terminal Solutions, Corporation
    Inventors: Takashi Watanabe, Hiroshi Sako, Hiroto Nagayoshi, Toshiro Uemura
  • Patent number: 8116597
    Abstract: 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: Grant
    Filed: February 13, 2009
    Date of Patent: February 14, 2012
    Assignee: Hitachi-Omron Terminal Solutions, Corporation
    Inventors: Takashi Watanabe, Hiroshi Sako, Hiroto Nagayoshi, Toshiro Uemura
  • Publication number: 20110125641
    Abstract: 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: Application
    Filed: January 18, 2011
    Publication date: May 26, 2011
    Applicant: HITACHI-OMRON TERMINAL SOLUTIONS CORP.
    Inventors: Tatsuhiko Kagehiro, Hiroto Nagayoshi, Hiroshi Sako, Toshiro Uemura, Yuji Nagaya
  • Patent number: 7899233
    Abstract: 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: Grant
    Filed: November 19, 2003
    Date of Patent: March 1, 2011
    Assignee: Hitachi-Omron Terminal Solutions Corp.
    Inventors: Tatsuhiko Kagehiro, Hiroto Nagayoshi, Hiroshi Sako, Toshiro Uemura, Yuji Nagaya
  • Publication number: 20090154765
    Abstract: 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: Application
    Filed: February 13, 2009
    Publication date: June 18, 2009
    Inventors: Takashi Watanabe, Hiroshi SAKO, Hiroto Nagayoshi, Toshiro Uemura
  • Patent number: 7518517
    Abstract: 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 p
    Type: Grant
    Filed: March 21, 2007
    Date of Patent: April 14, 2009
    Assignee: Hitachi, Ltd.
    Inventors: Hiroshi Sako, Tatsuhiko Kagehiro, Hiroto Nagayoshi, Satomi Baba
  • Publication number: 20090041380
    Abstract: 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: Application
    Filed: July 10, 2008
    Publication date: February 12, 2009
    Inventors: Takashi Watanabe, Hiroshi Sako, Hiroto Nagayoshi, Toshiro Uemura
  • Publication number: 20070273512
    Abstract: 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 p
    Type: Application
    Filed: March 21, 2007
    Publication date: November 29, 2007
    Inventors: Hiroshi Sako, Tatsuhiko Kagehiro, Hiroto Nagayoshi, Satomi Baba