Abstract: An image display method according to the present disclosure includes: a step of extracting each portion obtained by dividing one display target of the first and second display targets from one display target (S11); a step of determining whether the extracted portion is in contact with the other display target for each portion of one display target based on attribute information indicating presence of contact between each portion and the other display target among the first and second display targets (S12); and a step of displaying the extracted portion on a display device that displays the other display target when it is determined that the extracted portion is in contact with the other display target (S13) and displaying the extracted portion on a display device that displays one display target when it is determined that the extracted portion is not in contact with the other display target (S14).

Abstract: Provided is a power management apparatus for determining an order of priority with respect to power supply to a consuming device at a target location in a power system that includes a plurality of locations between which power can be interchanged, the target location including at least the consuming device, a power generation unit that generates power from natural energy, a power storage unit, and a commercial power source. The power management apparatus includes a determination unit for determining an order of priority among a plurality of controlled objects including at least power supply from the power generation unit, power supply from the power storage unit, power supply from the commercial power source, and power consumption reduction by transferring a load from the consuming device, and a priority setting unit for setting the order of priority that has been determined by the determination unit for the target location.

Abstract: Division is realized with a small number of processing stages. A secure computation apparatus (1) obtains a secret value representing a result of divided N by D using a secret value [N] of a real number N and a secret value [D] of a natural number D. An initialization unit (12) sets a secret value [PL1] of a partial remainder PL1 to 0. A parallel comparison unit (13) computes secret values [E1], . . . , [ER?1] of comparison results E1, . . . , ER?1 of comparing a secret value [n] of a partial divisor n=Pj+1R+Nj with [D]×g for each integer g not less than 1 and less than R in parallel. An update unit (14) computes a secret value [Qj] of a quotient Qj and a secret value [Pj] of a partial remainder Pj that satisfy n=DQj+Pj using the secret values [E1], . . . , [ER?1] of the comparison results E1, . . . , ER?1. An iterative control unit (15) executes the parallel comparison unit (13) and the update unit (14) for each integer j from L1?1 to ?L0.

Abstract: In a band sharing communication system in which there are a primary system and a secondary system in descending order of priority of communication, the systems share frequency bands, and a base station or a line control device performs allocation of a requested band of a terminal station of each system, the base station or the line control device includes: occupied band setting means for setting a primary occupied band and a secondary occupied band adjacent to the primary occupied band; band allocation means for allocating a vacant band of the primary occupied band with respect to a requested band of a primary terminal station and allocating a vacant band of the secondary occupied band with respect to a requested band of a secondary terminal station; and band transferring means for, when there is no vacant band in the primary occupied band with respect to the requested band of the primary terminal station, if a vacant band equivalent to the requested band is present in the secondary occupied band such that th

Abstract: An accommodation station transmission unit modulates light to generate an optical signal based on an RF signal and outputs the generated optical signal, a base station transmission unit obtains the optical signal from an input port, demultiplexes the obtained optical signal for each wavelength, outputs the demultiplexed optical signals from output ports of corresponding wavelengths from among a plurality of output ports allocated to each of the wavelengths of the light, and demodulates the RF signal by converting the optical signals output by the output ports into electrical signals, a plurality of transmission antennas emit the demodulated RF signal, and a reflect array or a transmit array receives the RF signal emitted by each of the transmission antennas and forms a transmission beam in a different direction for each position of the transmission antenna that is a transmission source of the RF signal for each RF signal.

Abstract: Time taken for resuming communication in a protection scheme using a backup path in an optical communication system including a master station device and a plurality of slave station devices is decreased. The plurality of slave station devices are connected in parallel to a looped path. A communication path between the master station device and each of the slave station device includes a normal path and a backup path. The master station device performs communication control processing for each of the slave station device based on RTT. A first slave station device is a slave station device with which communication through the normal path has become impossible. First backup path RTT of the first slave station device is calculated based on first normal path RTT of the first slave station device, first partial RTT between the master station device and the looped path, and loop propagation time necessary for one trip through the looped path.

Abstract: An object of the present disclosure is to reduce band compression even in a case where a frame addressed to an original (overwritten) MAC is received again after a MAC address is overwritten. A communication device according to the present disclosure measures a traffic amount in any predetermined determination data unit, holds MAC entry information including the measured traffic amount and a MAC address in a MAC learning data holding unit, at the time when the number of pieces of MAC entry information held by the MAC learning data holding unit reaches an upper limit, searches for minimum MAC entry information with a minimum traffic amount from among traffic data amounts in determination data unit held by the MAC learning data holding unit, and overwrites the minimum MAC entry information obtained by search with unlearned MAC entry information that is not held by the MAC learning data holding unit.

Abstract: An optical access system that performs communication using an optical signal in which a management control signal used for management and control is superimposed in a plurality of transmission lines connecting a plurality of subscriber devices, in which the plurality of subscriber devices generates a plurality of optical signals by superimposing the management control signals of different frequencies on main signals of different wavelengths, and transmits the plurality of optical signals that has been generated, and the optical access system includes a monitoring unit that receives the plurality of optical signals transmitted from the plurality of corresponding subscriber devices, and acquires a plurality of management control signals of different frequencies from the plurality of corresponding optical signals that has been received.

Abstract: According to an embodiment, a learning device includes a data input unit, a feature extraction unit, and a relighted image generation unit. The data input unit acquires an input image and a lighting environment desired to be reflected as a lighting environment of a relighted image. The feature extraction unit extracts a feature quantity of an image structure of the input image from the input image. The relighted image generation unit generates a relighted image, based on pre-learning of a large-scale data set of an image and a lighting environment, from the extracted feature quantity of the image structure of the input image and the acquired lighting environment desired to be reflected.

Abstract: A receiving apparatus includes: M receivers configured to receive signals based on sound waves propagating in water; M FIR filters configured to perform waveform operation on the signals received by the receivers; a combiner configured to combine output signals of the M FIR filters; and a filter coefficient calculation portion configured to calculate a tap coefficient of the M FIR filters so as to reduce an error of the output signals combined by the combiner. The M FIR filters have a tap length that is shorter than a delay spread that is a possible range between a time of arrival of a direct wave and a time of arrival of a delayed wave of the sound waves.

Abstract: An optical switch receives an input of an optical signal which has been transmitted by a first optical communication device from a first port, and outputs the optical signal from a second port connected to a first optical transmission line included in an optical route in which an optical path between the first optical communication device and a second optical communication device is set. An optical branching unit branches a part of the optical signal which has been transmitted through the first optical transmission line, and outputs the branched optical signal to a second optical transmission line. An optical transmitting and receiving apparatus includes a reception unit, a transmission unit, and a light cutoff unit. The reception unit receives an input of the optical signal which has been branched by the optical branching unit from the second optical transmission line, and acquires a signal addressed to a destination different from the second optical communication device from the input optical signal.

Abstract: A determination device includes processing circuitry configured to detect a communication log of an attack causing different damage in accordance with a function of a web application of a request destination using a URL of the request destination in a communication log in which an attack is to be detected, determine whether or not the attack has succeeded using whether or not there is a login form in the URL of the request destination, a response size to a request, or a status code, or any combination thereof, for the communication log in which the attack has been detected, and output a result of the determination.

Abstract: A secure computation device 1n of the secure computation system includes a first calculation unit 11n, a second calculation unit 12n, a third calculation unit 13n, a fourth calculation unit 14n, and an output unit 15n. By calculation being performed in cooperation of these, a group by max operation or a group by min operation can be performed on a table to which a flag is added.

Abstract: A transmission device, which is provided between user devices and transmits a client signal transmitted by the user devices through an optical transmission network, the transmission device comprising: a setting unit of setting a path having a band for accommodating the client signal obtained from a monitoring result of a control signal transmitted and received at a time of negotiation between the user devices; and a transfer unit of transferring the client signal using the path set by the setting unit.

Abstract: The present invention has an object to provide a mode field diameter measurement method enabling easily measuring a mode field diameter in an optical fiber, which is capable of propagating a fundamental mode (LP01 mode) and a first higher order mode (LP11 mode), without using a mode multiplexer, and a measurement device of the mode field diameter measurement method. In a mode field diameter measurement method according to the present invention, an intensity ratio between an LP01 mode and an LP11 mode output from an optical fiber to be tested is changed, a mode field diameter is measured by a variable aperture (VA) method for each intensity ratio, and each mode field diameter is calculated.

Abstract: A cancellation device according to one aspect of the invention is a cancellation device that cancels noise coming to a region in a vicinity of a loudspeaker, the cancellation device including at least two loudspeakers 1 and one reference microphone 3, in which the cancellation device is configured such that an acoustic signal emitted in a sound emission direction of a same loudspeaker and an acoustic signal emitted in an opposite direction collide with each other, the at least two loudspeakers 1 and the reference microphone 3 are arranged on a same plane, the at least two loudspeakers 1 emit cancellation sound that cancels the noise in synchrony, and the plane is a plane including a boundary between a sound emission direction of the two loudspeakers 1 and a direction opposite to a sound emission direction.

Abstract: An activity trace extraction device includes: an acquisition unit that acquires information regarding behavior of malware; a detection unit that detects an activity trace of the malware on the basis of the information regarding behavior of malware acquired by the acquisition unit; an addition unit that executes taint analysis on the malware and adds a taint tag based on the taint analysis to an output value of a predetermined application programming interface (API) in a case where the malware calls the API; a determination unit that determines presence or absence of dependency of the activity trace on the basis of the taint tag added by the addition unit; and an extraction unit that extracts the activity trace as an activity trace effective for detecting the malware in a case where the determination unit determines that there is no dependency of the activity trace.

Abstract: A beam transmission device transmits a directional beam toward a beam reception device in a wireless communication system. The main signal generation unit generates a main signal. A control signal generation unit periodically generates a control signal related to maintaining communication with the beam reception device. A signal multiplexing unit multiplexes the main signal and the control signal. A divergence angle adjustment unit sets a target divergence angle to a first divergence angle in a period in which the control signal is not included in the multiplexed signal, and sets the target divergence angle to a second divergence angle larger than the first divergence angle in a period in which the control signal is included in the multiplexed signal. A beam control unit changes a divergence angle of the beam modulated by the multiplexed signal to the target divergence angle.

Abstract: An information processing device of an embodiment includes a voice recognition unit, an image recognition unit, an extraction unit, a first correction unit, and a second correction unit. The voice recognition unit recognizes a plurality of first words on the basis of a first voice. The image recognition unit recognizes a plurality of second words on the basis of a first image. The extraction unit extracts at least one of a third word included in the plurality of first words and not included in the plurality of second words or a fourth word included in the plurality of second words and not included in the plurality of first words. The first correction unit corrects a fifth word corresponding to the third word among the plurality of second words to the third word. The second correction unit corrects a sixth word corresponding to the fourth word among the plurality of first words to the fourth word.

Abstract: A communication system performs communication on the basis of a TCP. The communication system includes a transmission-side device and a reception-side device. A route switching time zone is a time zone in which a communication route between the transmission-side device and the reception-side device is switched from a first communication route to a second communication route. When detecting packet missing of a first packet in the route switching time zone, the reception-side device prohibits transmission of a retransmission request related to the first packet to the transmission-side device during a first time from detection of the packet missing. When not receiving the first packet during the first time, the reception-side device transmits a retransmission request related to the first packet to the transmission-side device.