Abstract: A wireless communication system includes a plurality of base stations to which terminal stations are connectable, and a base station control device controlling each of the base stations. The base station control device includes an information collection unit collecting wireless environment information indicating wireless environments around the base stations and the terminal stations from each of the base stations, and a policy calculation unit calculating a policy for connecting the base stations and the terminal stations based on the wireless environment information. Each of the base stations includes receiver receiving the calculated policy a destination calculation unit calculating a destination to which a terminal station left unaccommodated is to be connected based on the received policy, and a transmitter transmitting the received policy and the calculated destination to the terminal station.

Abstract: A relay device (39bA) includes an optical signal return unit (50a) and a detection unit (55b). When an optical signal input via one optical transmission line (41) of two optical transmission lines (41 and 42) with a double-ring configuration has not been detected for a predetermined time or longer, the detection unit (55b) outputs a disconnection signal of the optical transmission line. The optical signal return unit (50a) is configured to, only when there is an input of the disconnection signal, return to one of the optical transmission lines (41) only a clamp beam that has been sent from a representative node via the other optical transmission line (42) in the direction opposite to the optical signal input via the one of the optical transmission lines (41).

Abstract: An anomaly detection technique which realizes high accuracy while reducing cost required for normal model learning is provided. An anomaly detection apparatus includes an anomaly degree estimating unit configured to estimate an anomaly degree indicating a degree of anomaly of anomaly detection target equipment from sound emitted from the anomaly detection target equipment (hereinafter, referred to as anomaly detection target sound) based on association between a first probability distribution indicating distribution of normal sound emitted from one or more pieces of equipment different from the anomaly detection target equipment and normal sound emitted from the anomaly detection target equipment (hereinafter, referred to as normal sound for adaptive learning).

Abstract: An object of the present invention is to provide a communication system and a communication method that can suppress an increase in the total fiber distance even if the number of secondary devices increases and that can make complex processing for band allocation for uplink optical signals unnecessary. The configuration of the communication system according to the present invention is a mixture of a ring type and a branch type, in which an optical fiber cable (primary path) from a communication station to each user's home is arranged in a ring (loop) shape, and the primary path is branched and laid to the user's home. Furthermore, unidirectional communication is enabled by a ring-type primary path, and the transmittable amount can be made uniform by further combining time division multiplexing.

Abstract: A secret share value [ft(x)?f?t(x)] of ft(x)?f?t(x) is obtained through secure computation using a secret share value [x] of a real number x, and a secret share value [ft(x)?f?t(x)]r of (ft(x)?f?t(x))r obtained by right-shifting ft(x)?f?t(x) by the predetermined number of bits is obtained through secure computation using the secret share value [ft(x)?f?t(x)]. Here, [?] is a secret share value of ?, n is an integer equal to or greater than 1, t=0, . . . , n?1, u=1, . . . , n?1, ft(x) is a function of the real number x, f?t(x) is an approximation function of the function ft(x), a secret share value [f?0(x)] of an approximation function f?0(x) is [f?0(x)]=c0,0+c0,1[x], a secret share value [f?u(x)] of an approximation function f?u(x) is [f?u(x)]=cu,0+cu,1[x]+cu,2[f0(x)]+ . . . +cu,u+1[fu?1(x)], ct,0 is a public value, and ct,1, . . . , ct,n+1 are coefficients.

Abstract: Therefore, an image processing apparatus according to the present disclosure is an image processing apparatus for extracting a feature amount of image data, the image processing apparatus including: an image understanding unit 41 that vectorizes an image pattern of the image data to extract an image feature amount; a text understanding unit 43 that vectorizes a text pattern of attached text data attached to the image data to extract a text feature amount; and a feature amount mixing unit 44 that generates a mixed feature amount as the feature amount by projecting the image feature amount extracted by the image understanding unit 41 and the text feature amount extracted by the text understanding unit 43 onto the same vector space and mixing the image feature amount and the text feature amount.

Abstract: The wireless communication system includes a wireless terminal and a control unit. The wireless terminal includes a plurality of wireless modules that respectively perform wireless communication with a plurality of base stations on different channels. The wireless terminal uses one of the plurality of wireless modules as a use module, and stops data transmission from wireless modules other than the use module. The control unit performs switching of the use module in the wireless terminal such that a transmission time rate of each of the plurality of wireless modules does not exceed a predetermined upper limit.

Abstract: In one aspect of the present invention, parameters including a probability function defining an appearance probability of a first node for a plurality of times, a reward assigned when an edge is matched with a set of edges associating a set of first nodes with a set of second nodes for the plurality of times, and a period of time required until the second node corresponding to the matched edge is available again for the plurality of times is acquired. A first optimization problem formulated using the obtained parameter information is defined, a variable for controlling the reward of the edge and the appearance probability, and a matching strategy for designating the second node to be allocated to the appearing first node are determined as the optimal solution by solving the formulated first optimization problem, and the determined variables and matching strategy are output.

Abstract: A Bayesian optimization device includes: a comparison result developing unit configured to receive and develop comparison results input by a user; a comparison result storing unit configured to store the developed comparison results; a model learning unit configured to learn a model on the basis of the developed comparison results; a model storing unit configured to store the learned model; a candidate point selecting unit configured to select a candidate point for search on the basis of the developed comparison results and the learned model; and a candidate point presenting unit configured to present the candidate point for search to the user.

Abstract: An acoustic signal output device includes a driver unit and a housing that internally accommodates the driver unit. Here, an acoustic signal emitted from the driver unit to one side is set as a first acoustic signal, and an acoustic signal emitted from the driver unit to another side is set as a second acoustic signal. A wall portion of the housing is provided with a single or plurality of first sound holes for leading out the first acoustic signal to an outside and a single or plurality of second sound holes for leading out the second acoustic signal to an outside. An attenuation rate of the first acoustic signal at a second point with reference to a predetermined first point, where the first acoustic signal arrives at the first point and the second point is farther from the acoustic signal output device than the first point, is equal to or less than a predetermined value smaller than an attenuation rate due to air propagation.

Abstract: An estimation device includes an activity score calculation unit that calculates, on the basis of a linguistic feature amount of an utterance in a dialogue transcript of a plurality of persons, an activity score indicating the degree the excitement of a dialogue gives to satisfaction of each participant; an activeness score calculation unit that divides the dialogue transcript by a time axis, and calculates, on the basis of the number of utterances and the number of utterance words of each participant in each zone, an activeness score indicating the degree the activeness of a speech in a dialogue by the participant gives to satisfaction of each participant. Further, there is an influence score calculation unit that divides the dialogue transcript, and calculates an influence score, and a dialogue evaluation estimation unit that estimates a dialogue evaluation score.

Abstract: A generation device includes a coefficient acquisition unit that acquires coefficient information of an object on the basis of raw material information of the object when detecting an interaction of the object mapped on cyber space, a sound source selection unit that calculates statistical information in which a type of a sound source corresponding to the interaction of the object and intensity of the sound source are associated with each other and selects sound source information. Further, there is a voice synthesis unit that generates synthesized sound source information obtained by synthesizing the sound source information on the basis of the statistical information and the sound source information and generates three-dimensional sound source information obtained by converting the synthesized sound source information into three-dimension by executing three-dimensional sound rendering on the basis of the position information to the synthesized sound source information.

Abstract: An object of the present invention is to provide an air conditioner unit that can fully demonstrate the sterilization effect on air with a large flow rate, even by a method of irradiating a filter and a coil with ultraviolet light. The air conditioner unit according to the present invention includes a filter 20 through which air passes, a plurality of optical fibers 16 arranged in such a manner that one ends thereof are close to a surface of the filter 20 and arranged at predetermined intervals, and a light source 30 that supplies ultraviolet light from the other end of each of the optical fibers 16. Since the intensity of the light is inversely proportional to the square of the distance from the light source, if the same sterilization effect is to be obtained, the shorter the irradiation distance, the smaller the irradiation intensity of the ultraviolet light can be.

Abstract: A wireless relay system includes a first software radio device that performs radio communication with a radio control device and a second software radio device that performs radio communication with a radio terminal. The first software radio device captures, as iq data, a radio signal received from the radio control device, transfers the captured iq data to the second software radio device in real time, converts the iq data transferred from the second software radio device into a radio signal, and transmits the radio signal to the radio control device. The second software radio device captures, as iq data, a radio signal received from the radio terminal, transfers the captured iq data to the first software radio device in real time, converts the iq data transferred from the first software radio device into a radio signal, and transmits the radio signal to the radio terminal.

Abstract: Provided is a communication system comprising: at least one base station accommodating a wireless terminal; at least one transfer device which transfers, to a higher level, an uplink communication of the wireless terminal received via the base station; and a transfer device controller which controls the at least one transfer device, and the communication system further includes: an information acquisition unit for acquiring information regarding a wireless communication for each quality-of-service class between the base station and the wireless terminal; a rate determination unit for determining, for each of the quality-of-service classes, a shaping rate for traffic shaping such that a packet loss caused by congestion does not occur, on the basis of the information regarding the wireless communication for each quality-of-service class; and a communication control unit for executing, for each quality-of-service class, the traffic shaping at the higher level to the base station on the basis of the shaping rate

Abstract: An optical switch having a plurality of ports outputs an optical signal received from a first port that is one of the plurality of ports connected to an optical communication device from a second port that another one of the plurality of ports according to a transmission path of an optical signal. An optical branching part branches an optical signal which has been output from a second port in accordance with a branching ratio. A measurement part measures a round trip time by transmitting and receiving an optical signal to and from an optical communication device through an optical switch, and calculates a transmission distance of the optical signal on the basis of the measured round trip time. An instruction part instructs, the optical branching part, of the branching ratio determined on the basis of the calculated transmission distance.

Abstract: A video processing device according to an embodiment includes: a detection unit that detects at least one type of event that is likely to affect a quality of experience of a user for a video displayed by an application program; and a determination unit that determines a degree of influence of the event on the quality of experience for the video on the basis of a result of the detection by the detection unit.

Abstract: A speech desire estimation device according to one aspect of the present invention is provided in a first conference device among a plurality of conference devices used for a remote conference via a communication network, and the speech desire estimation device includes an operation information generation unit that generates operation information indicating an operation performed by a user on the first conference device during the remote conference, a speech desire degree calculation unit that calculates a speech desire degree indicating a degree of desire of the user to speak on the basis of the generated operation information, and a communication unit that transmits information based on the calculated speech desire degree to a second conference device among the plurality of conference devices.

Abstract: A monitoring device includes processing circuitry configured to use a normal communication model of communication between ECUs of a vehicle and determine, for each of packets transmitted and received by the ECUs, whether or not the packet is abnormal, when any one of the packets is determined to be abnormal, determine a series of packets from a same service and a same transmission source as the packet determined to be abnormal as abnormal on a basis of a Session ID indicating a communication order included in header information of the packet determined to be abnormal, and output information of a packet determined to be abnormal and information of a packet determined to be abnormal.

Abstract: According to the present disclosure, there is provided an optical fiber sensing device including: a reference interferometer for producing a predetermined difference in propagation delay time in continuous light; a sensor interferometer including a plurality of Mach-Zehnder interferometers having unilateral optical paths functioning as sensor units; and a signal processing unit for performing signal processing by using a light reception signal I(t) obtained by receiving light transmitting through the sensor interferometer and a reference signal Iref-1(t) obtained by receiving light transmitting through the reference interferometer, in which the signal processing unit calculates a cross-correlation Rj between the light reception signal I(t) and the reference signal Iref-j(t), and detects a change in the j-th sensor unit by using a change in the cross-correlation Rj.