Nec Corporation

Shin Tominaga

Masao Imai

Masanao Natsumeda

Shigeki Shinoda

Hirofumi Inoue

Masatake Takahashi

Yuzo Senda

Goroh Saitoh

Daisuke Ikefuji

Junichiro Mataga

Yasuhiro Sasaki

Yoshihiro Sato

Kenichi Ishii

Shoji Nishimura

Shinya Yamasaki

Gaku Nakano

Yuji Ohno

Masumi Ishikawa

Naofumi Suzuki

Shota Yamamoto

Shigeru Sekine

Mizuho Tomiyama

Soichiro Takata

Kana Takizawa

Yoshitaka Higeta

Narumitsu Notomi

Aki Nakamura

Eishi Arita

Yoshiyuki Satou

Youtarou Noda

Katsumi Kikuchi

Ryuichi Katayama

Nobuhiro Mikami

Shohei Kinoshita

Takahiro Kumura

Daisuke Iketuji

Kanta Miyake

A prediction deviceof the present invention includes a detection meansfor, on the basis of a river image that is an image obtained by capturing a river and associated with capturing position information representing a position where the river is captured, detecting river condition information representing a condition of the river at the position where the river image is captured; and a prediction meansfor, on the basis of the capturing position information, the river condition information, and topography information representing the topography of the river, predicting a river condition representing a condition of the river at a given point of the river. The given point is different from the position represented by the capturing position information.

Prediction method

An image processing apparatus () includes an image processing unit () and a risk information generation unit (). The image processing unit () acquires and processes an image generated by an image capture apparatus (), that is, an image including a plurality of persons. As an example, the image processing unit () sets a person being at least part of the plurality of persons as a reference person and computes a distance (first distance) between the reference person and the closest person to the reference person. By using the first distance, the risk information generation unit () generates infection risk information in a target region being an image capture target of the image capture apparatus ().

Image processing apparatus, image processing method, and non-transitory computer-readable medium

An activity support apparatus supports an activity of a worker at a disaster site. The activity support apparatus comprises a vibration data acquisition unit that acquires vibration data of vibrations generated by the worker, an activity level estimation unit that estimates an activity level of the worker based on the vibration data acquired by the vibration data acquisition unit, and a notification unit that notifies the activity level estimated by the activity level estimation unit.

Activity support apparatus, activity support method, and computer readable recording medium

An activity support apparatus supports an activity of a worker at a disaster site. The activity support apparatus comprises a position acquisition unit that acquires a position of the worker, a boundary data acquisition unit that acquires boundary data that indicates a boundary of a building at the disaster site, and an entry determination unit that determines whether the worker has entered the building based on the positions of the worker acquired at different timings and the boundary data.

An image processing apparatus includes at least one memory configured to store instructions, and at least one processor configured to execute the instructions to process an image of a target region, and thereby compute a proximity index being an index relating to a proximity state of a plurality of persons captured in the image, and cause a predetermined apparatus to execute predetermined control, when the proximity index satisfies a criterion.

Image processing apparatus, image processing method, and non-transitory computer-readable storage medium

A control apparatus () computes a waiting time index value for each of a plurality of gates () for entering an area (). The control apparatus () detects, from among the plurality of gates (), a first gate () and a second gate () of which relation between the waiting time index values satisfies a first criterion. Herein, the waiting time index value of the first gate () is greater than the waiting time index value of the second gate (). The control apparatus () causes a terminal () associated with the first gate () to output priority use information, which allows prioritized use of the second gate ().

Control apparatus, control method, and non-transitory storage medium

A facility state analyzing device includes: a measurement unit that measures a load on a facility and generates, based on a measurement condition, load information representing the load being measured; an extraction unit that extracts, from the load information generated by the measurement unit, dynamic load information representing a dynamic component of the load whose dynamic fluctuation degree with a lapse of time is equal to or more than a reference; a measurement condition determination unit that determines, based on temporal transition of the dynamic load information, the measurement condition indicating a time zone during which the load information is generated; and an analysis unit that analyzes the load applied on the facility, by using the load information generated based on the measurement condition, to efficiently increase accuracy in estimating the state of the facility on the basis of a situation of the load applied to the facility.

Facility state analyzing device, facility state analyzing method, and recording medium storing facility state analyzing program thereon

A required time prediction apparatus (2000) acquires utilization facility information and assumed date and time information. The utilization facility information is information enabling to determine a departure facility and a destination facility. The assumed date and time information is information enabling to determine an assumed departure date and time assuming departure from the departure facility or an assumed arrival date and time assuming arrival at the destination facility. The apparatus (2000) estimates a waiting time at each facility being present between the departure facility and the destination facility, regarding a case of assuming departure from the departure facility at the assumed departure date and time, or a case of assuming arrival at the destination facility at the assumed arrival date and time. Then, the apparatus (2000) computes, based on the estimated waiting time, a predicted required time from departure from the departure facility to arrival at the destination facility.

Required time prediction apparatus, control method, and non-transitory storage medium

A piping diagnostic device according to an exemplary aspect of the present invention includes: criteria distribution generating means for generating a criteria distribution that is statistical data of criteria data of piping based on construction information about the piping, design information about the piping, and material information about the piping; changed-state distribution generating means for generating a changed-state distribution that is statistical data of changed-state data of the piping that have changed due to aging based on at least either vibration or dynamic pressure of the piping that have changed due to aging; measurement means for measuring at least either vibration or dynamic pressure of the piping; and determining means for determining deterioration of the piping based on the criteria distribution, the changed-state distribution, and at least either vibration or dynamic pressure of the piping.

Piping diagnostic device, piping diagnostic method, discriminant-problem optimizing device, discriminant-problem optimizing method, criteria distribution generating device, criteria distribution generating method, and storage medium

To reduce erroneous determinations of detecting a leak, a measurement time determination device is provided with: a degree-of-ease calculation unit configured to calculate degree-of-ease of detecting a leak in piping, based on vibration propagating through the piping or a fluid flowing through the piping when the piping is vibrated; and a determination unit configured to determine a measurement time necessary for detecting the leak, based on the degree-of-ease.

Measurement time determination device, measurement time determination method, and computer-readable recording medium

This invention provides the following: a diagnostic device that may, with a simple design, diagnose the condition of a wide area of a structure such as a pipe; and the like. The diagnostic devicehas a determining means for determining the condition of the structure on the basis of the speed of sound therein.

Diagnostic device, diagnostic system, diagnostic method, and computer-readable recording medium

Provided are a position determination device and the like which determine vibration measurement positions for specifying a leak position. A position determination deviceincludes a feature amount extraction unit which extracts feature amounts relating to detected pipe vibrations respectively on the basis of the pipe vibrations detected by a plurality of detection units, and a measurement position determination unit which determines measurement positions of at least two of the detection units on the basis of the feature amounts.

Position determination device, leak detection system, position determination method, and computer-readable recording medium

Provided are a position determination device and the like for determining a mounting position of a sensor suitable for detecting leakage vibration of a pipe. A position determination device () includes a frequency determination unit for determining a frequency of vibration propagating through a pipe and a structure attached to the pipe and a mounting position determination unit for determining, on the basis of the determined frequency, a mounting position of a sensor for detecting vibration of the pipe.

Position determination device, position determination system, position determination method, and computer-readable recording medium

In a related fluid leakage detecting device, erroneous leakage determination may occur due to a change in a state of a fluid in piping. A leakage determination system of the present invention includes a first detection means for detecting a prescribed physical quantity indicating a state of a fluid in piping, a second detection means for detecting vibration propagating through the piping, and a leakage determination means for performing leakage determination based on the physical quantity detected by the first detection means and the vibration detected by the second detection means.

Leakage determination system and leakage determination method

A sensor unit () provided with a substrate (), a plurality of light-receiving units () that are provided on the substrate () and detect light, and a diffraction grating layer () that is provided on the substrate () and the light-receiving units () and has at least two diffraction means for diffracting light of corresponding wavelengths and condensing the light onto the light-receiving units, wherein at least two of the diffraction means are composed from holograms formed on a first diffraction grating layer and at least a portion of the plurality of holograms formed on the first diffraction grating layer overlap at least partially with another adjacent hologram.

Growing community of inventors

Tokyo, Japan

Shin Tominaga