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1 US10794687B2
Shape measurement system and shape measurement method
Publication/Patent Number: US10794687B2 Publication Date: 2020-10-06 Application Number: 15/928,693 Filing Date: 2018-03-22 Inventor: Taniguchi atsushi   Watanabe, Masahiro   Assignee: Hitachi, Ltd.   IPC: G01B11/24 Abstract: Provided are a system and a method capable of accurately measuring consecutive shapes of a measurement target even when an imaging means, which captures images of the shape of the measurement target, is moved along the measurement target while irradiating the measurement target with light. The present invention comprises a light source, an irradiating body which irradiates the measurement object with light from the light source, an imaging body which captures images of the measurement object based on the light from the irradiating body with which the measurement object was irradiated, a moving mechanism which causes the irradiating body and the imaging body to move along the measurement object, and a processing unit which executes data processing for measuring the shape of the measurement object based on images of the measurement object, wherein the imaging body incorporates an image of the measurement object at each predetermined timing upon moving along the measurement object, and wherein processing unit determines a cross section shape of the measurement object and a moving mode of the moving mechanism based on images of the measurement object, and measures the shape of the measurement object based on the cross section shape and the moving mode.
2 US202041259A1
Distance Measuring Device and Three-Dimensional Shape Measuring Apparatus
Publication/Patent Number: US202041259A1 Publication Date: 2020-02-06 Application Number: 20/181,648 Filing Date: 2018-05-22 Inventor: Watanabe, Masahiro   Taniguchi atsushi   Hariyama, Tatsuo   Maruno, Kenji   Assignee: Hitachi, Ltd.   IPC: G01C3/08 Abstract: An object is to provide a technology capable of realizing miniaturizing of a measurement unit in a distance measuring device. The distance measuring device including a light emitting unit that outputs measurement light, a polarization state control unit that controls polarization of the measurement light output from the light emitting unit, and an optical path switching element that selectively emits the measurement light controlled by the polarization state control unit, in which the polarization state control unit controls the polarization so as to emit the measurement light in a plurality of directions from the optical path switching element, and the optical path switching element receives reflected light with respect to an object of the measurement light emitted from the optical path switching element, the reflected light being used to measure a distance to the object.
3 US2020166327A1
SHAPE MEASUREMENT SYSTEM, PROBE TIP UNIT, AND SHAPE MEASUREMENT METHOD
Publication/Patent Number: US2020166327A1 Publication Date: 2020-05-28 Application Number: 16/694,390 Filing Date: 2019-11-25 Inventor: Hariyama, Tatsuo   Watanabe, Masahiro   Taniguchi atsushi   Maruno, Kenji   Assignee: HITACHI, LTD.   IPC: G01B9/02 Abstract: Provided is a shape measurement system in order to perform three-dimensional measurement corresponding to a measurement object having various shapes, which includes a measurement probe, a probe tip unit, and a calculation unit. The probe tip unit includes an optical element that is configured to irradiate an object with measurement light, a fixing mechanism that is configured to fix to the measurement probe so as to be detachable and replaceable, and a cylindrical unit that is configured to lock the optical element and is provided with the fixing mechanism.
4 US2020041259A1
Distance Measuring Device and Three-Dimensional Shape Measuring Apparatus
Publication/Patent Number: US2020041259A1 Publication Date: 2020-02-06 Application Number: 16/484,844 Filing Date: 2018-05-22 Inventor: Watanabe, Masahiro   Hariyama, Tatsuo   Taniguchi atsushi   Maruno, Kenji   Assignee: Hitachi, Ltd.   IPC: G01B11/24 Abstract: An object is to provide a technology capable of realizing miniaturizing of a measurement unit in a distance measuring device. The distance measuring device including a light emitting unit that outputs measurement light, a polarization state control unit that controls polarization of the measurement light output from the light emitting unit, and an optical path switching element that selectively emits the measurement light controlled by the polarization state control unit, in which the polarization state control unit controls the polarization so as to emit the measurement light in a plurality of directions from the optical path switching element, and the optical path switching element receives reflected light with respect to an object of the measurement light emitted from the optical path switching element, the reflected light being used to measure a distance to the object.
5 CA3048558A1
DISTANCE MEASURING DEVICE, DISTANCE MEASURING METHOD, AND THREE-DIMENSIONAL SHAPE MEASURING APPARATUS
Publication/Patent Number: CA3048558A1 Publication Date: 2020-01-11 Application Number: 3048558 Filing Date: 2019-07-04 Inventor: Watanabe, Masahiro   Taniguchi atsushi   Urano, Yuta   Hariyama, Tatsuo   Maruno, Kenji   Assignee: Hitachi, Ltd.   IPC: G01S17/89 Abstract: To measure a distance of a narrow portion. A distance measuring device includes a light emitting unit that outputs a measurement light, a first polarization state control unit that controls a polarization state of the measurement light output from the light emitting unit, a second polarization state control unit that controls the polarization state of the measurement light of which a polarization state is controlled by the first polarization state control unit, and an optical path switching element that selects an emission direction of the measurement light of which a polarization state is controlled by the second polarization state control unit, in which the second polarization state control unit controls the polarization state of the measurement light so that the measurement lights are emitted from the optical path switching element in a plurality of the emission directions, and the optical path switching element receives a reflected light obtained by reflecting the emitted measurement light by an object.
6 US2020018823A1
DISTANCE MEASURING DEVICE, DISTANCE MEASURING METHOD, AND THREE-DIMENSIONAL SHAPE MEASURING APPARATUS
Publication/Patent Number: US2020018823A1 Publication Date: 2020-01-16 Application Number: 16/507,124 Filing Date: 2019-07-10 Inventor: Maruno, Kenji   Watanabe, Masahiro   Urano, Yuta   Hariyama, Tatsuo   Taniguchi atsushi   Assignee: HITACHI, LTD.   IPC: G01S7/484 Abstract: A distance measuring device includes a light emitting unit that outputs a measurement light, a first polarization state control unit that controls a polarization state of the measurement light output from the light emitting unit, a second polarization state control unit that controls the polarization state of the measurement light of which a polarization state is controlled by the first polarization state control unit, and an optical path switching element that selects an emission direction of the measurement light of which a polarization state is controlled by the second polarization state control unit, in which the second polarization state control unit controls the polarization state of the measurement light so that the measurement lights are emitted from the optical path switching element in a plurality of the emission directions, and the optical path switching element receives a reflected light obtained by reflecting the emitted measurement light by an object.
7 US202018823A1
DISTANCE MEASURING DEVICE, DISTANCE MEASURING METHOD, AND THREE-DIMENSIONAL SHAPE MEASURING APPARATUS
Publication/Patent Number: US202018823A1 Publication Date: 2020-01-16 Application Number: 20/191,650 Filing Date: 2019-07-10 Inventor: Watanabe, Masahiro   Taniguchi atsushi   Urano, Yuta   Hariyama, Tatsuo   Maruno, Kenji   Assignee: Hitachi, Ltd.   IPC: G02B27/28 Abstract: A distance measuring device includes a light emitting unit that outputs a measurement light, a first polarization state control unit that controls a polarization state of the measurement light output from the light emitting unit, a second polarization state control unit that controls the polarization state of the measurement light of which a polarization state is controlled by the first polarization state control unit, and an optical path switching element that selects an emission direction of the measurement light of which a polarization state is controlled by the second polarization state control unit, in which the second polarization state control unit controls the polarization state of the measurement light so that the measurement lights are emitted from the optical path switching element in a plurality of the emission directions, and the optical path switching element receives a reflected light obtained by reflecting the emitted measurement light by an object.
8 WO2019187372A1
PREDICTION SYSTEM, MODEL GENERATION SYSTEM, METHOD, AND PROGRAM
Publication/Patent Number: WO2019187372A1 Publication Date: 2019-10-03 Application Number: 2018045610 Filing Date: 2018-12-12 Inventor: Tamano, Hiroshi   Taniguchi atsushi   Assignee: NEC SOLUTION INNOVATORS, LTD.   IPC: G16H50/50 Abstract: A model generation device 60 of the present invention is provided with: a regularization parameter candidate setting means 61 which outputs a regularization parameter search set for which a plurality of solution candidates are set, the solution candidates having a plurality of mutually different values of at least a regularization parameter that affects the term of a strong regularization variable that is one or a plurality of variables specifically determined among explanatory variables; a model learning means which learns a prediction model corresponding to each of the plurality of solution candidates; an accuracy evaluation means 62 which evaluates prediction accuracy of each prediction model that has been learned; a transition evaluation means 63 which, with respect to each prediction model that has been learned, evaluates a defective sample number that is the number of samples in which graph shape or the transition is not valid; and a model determination means 64 which, on the basis of the result of evaluation concerning prediction accuracy and the result of evaluation concerning graph shape or the defective sample number, determines a prediction model to be used for progress prediction.
9 JP2019128904A
PREDICTION SYSTEM, SIMULATION SYSTEM, METHOD AND PROGRAM
Publication/Patent Number: JP2019128904A Publication Date: 2019-08-01 Application Number: 2018011862 Filing Date: 2018-01-26 Inventor: Tamano, Koji   Taniguchi atsushi   Assignee: NEC SOLUTION INNOVATORS LTD   IPC: G06Q50/22 Abstract: To obtain a prediction value that indicates a valid change, even when prediction values are obtained up to two points of time ahead repeatedly applying a prediction model.SOLUTION: A prediction system of the present invention comprises: a model storage unit 61 for storing at least a linear model subject to a restriction that the coefficient of a first variable is within a previously designated range or a restricted prediction model that is a piecewise linear model, with a variable that corresponds to the value of a prediction target item at a first prediction time defined as an objective variable, and only a first variable that corresponds to the value of a prediction target item at a reference time and one or more control variables defined as an explanatory variable; and a prediction unit 62 which, when prediction target data including at least the value of the first variable and the value of a control variable is inputted, predicts, using the restricted prediction model, the value of a prediction target item at each point of time in a prediction target period including two points of time ahead, with the control variables assumed as fixed.SELECTED DRAWING: Figure 16
10 JP6513846B2
DISTANCE MEASURING DEVICE, AND THREE-DIMENSIONAL SHAPE MEASURING DEVICE
Publication/Patent Number: JP6513846B2 Publication Date: 2019-05-15 Application Number: 2018046769 Filing Date: 2018-03-14 Inventor: Taniguchi atsushi   Watanabe, Masahiro   Hariyama, Tatsuo   Maruno, Kenji   Assignee: HITACHI LTD   IPC: G01B11/24 Abstract: To provide a technique capable of achieving miniaturization of a measurement part in a distance measurement device.SOLUTION: A distance measuring device includes: a light emission part for outputting measurement light; a polarization state control part for controlling polarized light of the measurement light outputted from the light emission part; and an optical path switching element for selectively emitting the measurement light controlled by the polarization state control part. The polarization state control part controls the polarized light in such a manner that the measurement light is emitted to a plurality of directions from the optical path switching element. The optical path switching element is a reflection light used for measuring a distance up to an object, and takes in the reflection light for the object of the measurement light emitted from the optical path switching element.SELECTED DRAWING: Figure 1
11 JP2019057206A
VIRTUAL MACHINE SETTING INPUT SYSTEM, METHOD FOR INPUTTING VIRTUAL MACHINE SETTING, AND PROGRAM
Publication/Patent Number: JP2019057206A Publication Date: 2019-04-11 Application Number: 2017182277 Filing Date: 2017-09-22 Inventor: Sakaida, Norio   Taniguchi atsushi   Kawabata, Taichi   Minami, Yuki   Assignee: NIPPON TELEGR & TELEPH CORP   IPC: G06F9/46 Abstract: To provide a virtual machine setting input system, a method for inputting a virtual machine setting, and a program that can automatically input setting of a setting file, for example, for the OS of each virtual machine or software.SOLUTION: The virtual machine setting input system holds such variable information as a proxy or a network for the OS of each virtual machine or software, and inputs a setting command into the virtual machine, using the variable information according to the environmental variable of the virtual machine to be activated.SELECTED DRAWING: Figure 1
12 JP2019105662A
DISTANCE MEASURING APPARATUS AND THREE-DIMENSIONAL SHAPE MEASURING APPARATUS
Publication/Patent Number: JP2019105662A Publication Date: 2019-06-27 Application Number: 2019073934 Filing Date: 2019-04-09 Inventor: Taniguchi atsushi   Watanabe, Masahiro   Hariyama, Tatsuo   Maruno, Kenji   Assignee: HITACHI LTD   IPC: G01B11/24 Abstract: To provide a technique capable of miniaturizing a measurement unit in a distance measuring apparatus.SOLUTION: A distance measuring apparatus comprises a measurement probe and a measurement probe tip part. The measurement probe includes a polarization state control section for controlling polarization of measurement light emitted to the measurement probe tip part, and a rotation mechanism for rotating the measurement probe tip part. The measurement probe tip part has an optical path switching element. The optical path switching element switches a direction for emitting the measurement light to the outside of the measurement probe tip part on the basis of the polarization of the measurement light and takes in the measurement light which has been reflected or scattered on an object.SELECTED DRAWING: Figure 1
13 JP2019057778A
NETWORK SERVICE COOPERATION METHOD, CLIENT SERVICE PLATFORM, CLIENT INSTANCE CREATION SERVER, AND PROGRAM
Publication/Patent Number: JP2019057778A Publication Date: 2019-04-11 Application Number: 2017179958 Filing Date: 2017-09-20 Inventor: Sakaida, Norio   Taniguchi atsushi   Kawabata, Taichi   Minami, Yuki   Assignee: NIPPON TELEGR & TELEPH CORP   IPC: H04L12/66 Abstract: To provide a network service cooperation method, and the like, while allows a user to prevent technical information leakage for a third person service accessing the API.SOLUTION: In a situation where one service has personal information of a user, and provides an API for causing the other service to use its own service, a network service cooperation method creates a closed network for connecting the own service and the other service kinetically, so that the other service does not leak information of the own service to the outside, when the other service uses the personal information of the user owned by the own service.SELECTED DRAWING: Figure 1
14 JP2019071004A
SERVICE DEVELOPING SYSTEM, RESOURCE PREDICTING METHOD, AND SERVICE DEVELOPING PROGRAM
Publication/Patent Number: JP2019071004A Publication Date: 2019-05-09 Application Number: 2017197622 Filing Date: 2017-10-11 Inventor: Sakaida, Norio   Taniguchi atsushi   Kawabata, Taichi   Minami, Yuki   Assignee: NIPPON TELEGR & TELEPH CORP   IPC: G06F9/50 Abstract: To provide a service developing system and a resource predicting method capable of predicting a computing resource amount and a resource amount of a network function which are required when an application is created without a detailed knowledge on a network.SOLUTION: A service developing system and a resource predicting method according to the present invention predicts a computing resource amount and a resource amount of a network function which are required when one application is created by combining multiple service elements to form a service structure using a micro-service architecture, describes service requirements required for the application on a table, maps them to the service structure to be applied, and virtually operates the application for grasping.SELECTED DRAWING: Figure 5
15 JP2019002833A
PIPING DIAGNOSIS METHOD, PIPING DIAGNOSIS DEVICE, AND PIPING DIAGNOSIS SYSTEM
Publication/Patent Number: JP2019002833A Publication Date: 2019-01-10 Application Number: 2017118759 Filing Date: 2017-06-16 Inventor: Taniguchi atsushi   Takasu, Yoichi   Soeda, Takeshi   Assignee: FUJITSU LTD   IPC: G01M99/00 Abstract: To predict a time when cleaning of piping is required irrespective of the piping.SOLUTION: A piping diagnosis method of the present invention causes a computer to execute the process of: referring to a storage unit in which the pressure or flow rate of fluid inside the piping relative to time is stored and calculating, for each time, an index value in which the inclination of the pressure or flow rate relative to time after cleaning of the piping is weighted by a weight coefficient based on the pressure or flow rate at each time after cleaning of the piping; modeling a change of the index value relative to time after cleaning of the piping; and notifying information relating to a time when the piping is cleaned on the basis of the model and a relationship between the index value and a time after cleaning of the piping or other piping when abnormality occurred to the piping or other piping in the past.SELECTED DRAWING: Figure 6
16 WO2019203038A1
WIRELESS COMMUNICATION METHOD, CONTROL DEVICE, TERMINAL, AND WIRELESS COMMUNICATION SYSTEM
Publication/Patent Number: WO2019203038A1 Publication Date: 2019-10-24 Application Number: 2019015273 Filing Date: 2019-04-08 Inventor: Yamazaki, Takahiro   Katayama, Yohei   Naya, Maiko   Shimizu, Kenji   Taniguchi atsushi   Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATION   IPC: H04W72/04 Abstract: A wireless communication method implemented by a control device for controlling a base station device which carries out communication with a terminal in a predetermined area, the method including: a step for determining whether there is a terminal not being synchronized for communication with the base station device which transmits a synchronous signal; and a step for, when it has been determined that there is a terminal not being synchronized, controlling the base station device so as to increase the allocation time of the synchronous signal, which is in a wireless scheme and is used by the terminal not being synchronized, or to shorten the allocation cycle of the synchronous signal.
17 JP2019186864A
COMMUNICATION CONTROL DEVICE, COMMUNICATION CONTROL METHOD, AND COMMUNICATION CONTROL SYSTEM
Publication/Patent Number: JP2019186864A Publication Date: 2019-10-24 Application Number: 2018078723 Filing Date: 2018-04-16 Inventor: Yamazaki, Takahiro   Shimizu, Kenji   Taniguchi atsushi   Katayama, Yohei   Naya, Maiko   Assignee: NIPPON TELEGR & TELEPH CORP   IPC: H04W88/10 Abstract: To suitably determine a communication scheme to start communication.SOLUTION: A communication control device comprises: a communication parameter acquisition unit for acquiring at least one second communication parameter that is a candidate for a first communication parameter showing a communication parameter to be allocated to a communication device and shows a communication parameter suitable for a region characteristic indicative of a communication environment in a region in which the communication device is installed; a setting file storage unit for storing a setting file corresponding to each of second communication parameters; a setting file acquisition control unit that acquires the setting file and makes the acquired setting file be stored in the setting file storage unit; and a communication parameter allocation unit that determines the first communication parameter out of the second communication parameters acquired by the communication parameter acquisition unit and allocates the determined first communication parameter to the communication device.SELECTED DRAWING: Figure 6
18 WO2019187341A1
INDEX COMPUTATION DEVICE, PREDICTION SYSTEM, PROGRESS PREDICTION EVALUATION METHOD, AND PROGRAM
Publication/Patent Number: WO2019187341A1 Publication Date: 2019-10-03 Application Number: 2018043910 Filing Date: 2018-11-29 Inventor: Tamano, Hiroshi   Tajiri, Toshikazu   Seike, Katsuyo   Tanaka, Hirofumi   Taniguchi atsushi   Assignee: NEC SOLUTION INNOVATORS, LTD.   IPC: G06Q10/04 Abstract: An objective of the present invention is to automatically determine the invalidity of sequential data including a prediction value obtained on the basis of a hypothetical condition. Provided is an index computation device 60 comprising an invalidity score output means 61 for, when sequential data of a prescribed item to be predicted is inputted thereto, outputting an invalidity score which is an index indicating the invalidity of the sequential data. The sequential data includes three or more instances of data indicating a value of the item to be predicted in association with time, and at least one of the three or more instances of data indicates a prediction value. The invalidity score is based on the difference between the sequential data and a curvilinear model obtained by fitting the sequential data to a prescribed function form.
19 JP2019186862A
METHOD, DEVICE AND SYSTEM FOR ENVIRONMENTAL INFORMATION ACQUISITION
Publication/Patent Number: JP2019186862A Publication Date: 2019-10-24 Application Number: 2018078721 Filing Date: 2018-04-16 Inventor: Yamazaki, Takahiro   Shimizu, Kenji   Taniguchi atsushi   Katayama, Yohei   Naya, Maiko   Assignee: NIPPON TELEGR & TELEPH CORP   IPC: H04B17/309 Abstract: To provide a method, a device and a system for acquiring environmental information, which can improve efficiency in the acquisition of radio wave environmental information in a manner to cover the whole area.SOLUTION: The environmental information acquisition method, which is executed by the environmental information acquisition device which acquires the measurement result of the radio wave environment, includes the steps of: distributing software to one or more base station devices which measure the radio wave environment of each radio system on the basis of software for each radio system; instructing the one or more base station devices to measure the radio wave environment; and acquiring the measurement result of the radio wave environment from the one or more base station devices which measure the radio wave environment in a plurality of areas specified in the whole areas on the basis of the software.SELECTED DRAWING: Figure 4
20 EP3524927A1
METHOD AND DEVICE FOR MEASURING EXTERNAL SHAPE OF RAILROAD VEHICLE
Publication/Patent Number: EP3524927A1 Publication Date: 2019-08-14 Application Number: 17858109.6 Filing Date: 2017-08-29 Inventor: Baba, Shuichi   Okada, Norihisa   Watanabe, Masahiro   Taniguchi atsushi   Takagi, Shunichi   Assignee: Hitachi, Ltd.   IPC: G01B11/24 Abstract: The invention provides a method for measuring an external shape of a railroad vehicle using laser beams, wherein the method enables to measure the external shape at high speed and with high accuracy by reducing the effect of paint color of the vehicle. The device for measuring the external shape of a railroad vehicle includes a mechanism for generating the plurality of linear laser beams, a mechanism for specifying an irradiation position on the railroad vehicle onto which the plurality of linear laser beams are to be irradiated, a mechanism for irradiating the plurality of linear laser beams with intensities of the linear laser beams switched, a mechanism for photographing images of the plurality of linear laser beams irradiated onto the outer peripheral surface of the railroad vehicle, a mechanism for selecting a photographed image of the linear laser beam most suitable for a measurement position from the photographed images of the plurality of linear laser beams, and a mechanism for calculating the external shape of the railroad vehicle from the selected photographed image of the linear laser beam; wherein the mechanism for irradiating the plurality of linear laser beams with an intensity of the linear laser beams switched irradiates the linear laser beams on the outer peripheral surface of the railroad vehicle with the intensities of the linear laser beams switched, the mechanism for photographing images of the plurality of linear laser beams irradiated onto the outer peripheral surface of the railroad vehicle photographs a plurality of images of different linear laser beam intensities, the mechanism for selecting the photographed image of the linear laser beam most suitable for the measurement position selects the photographed image having the laser beam intensity most suitable for the measurement position from among the plurality of images between which the intensities of the plurality of linear laser beams differ, and the mechanism for calculating the external shape of the railroad vehicle calculates the external shape of the railroad vehicle from the selected photographed image.