Abstract: In a signal transmission system for transmitting an analog signal, in which a billing signal is superposed on an audio signal, from a transmitting device to a receiving device, the transmitting device includes a separation unit configured to separate the audio signal from the analog signal, an AD conversion unit configured to perform AD conversion on the audio signal separated by the separation unit, a detection unit configured to detect the billing signal from the analog signal, a coding unit configured to encode the billing signal detected by the detection unit, and a transmission unit configured to transmit the audio signal subjected to the AD conversion by the AD conversion unit and the billing signal encoded by the coding unit to the receiving device, and the receiving device includes a reception unit configured to receive the audio signal and the billing signal transmitted by the transmission unit, a DA conversion unit configured to perform DA conversion on the audio signal received by the reception uni

Abstract: A sound source separation filter information estimation device (10) estimates a covariance matrix having information on a correlation between sound source spectra and information on a correlation between channels as information on sound source separation filter information for separating an individual sound source signal from a mixed acoustic signal.

Abstract: Optical alignment between an optical waveguide device and an optical connection part is realized easily and at low cost. An optical circuit in which optical waveguides to be connected to optical fibers are formed includes: an alignment optical waveguide configured to be opposed to, on an optical waveguide edge face to which an optical connection part having guide holes for insertion of core wires of the optical fibers is to be fixed, a guide hole into which an alignment optical fiber is to be inserted; and a light path changing member configured to change a path of light to a vertical direction with respect to the optical axis direction of the core of the alignment optical waveguide.

Abstract: A difference detection device includes a difference detection unit configured to, based on association among a first image and a second image captured at different times and illustrating a substantially identical space and encoding information of each of the first image and the second image, detect difference between a third image and a fourth image captured at different times and illustrating a substantially identical space, and the encoding information is information acquired from data including the first image encoded and data including the second image encoded, before inverse transform processing is executed in decoding processing executed on each of the first image and the second image.

Abstract: An operation log visualization device includes processing circuitry configured to store operation logs each containing a captured image of an operation screen captured during an operation and information identifying a position of an operation location in an operation target window on the operation screen, generate images in each of which a portion corresponding to the position in the captured image is highlighted, and generate a flowchart by arranging the generated images in an order of processing of operation logs corresponding to the images.

Abstract: A control apparatus configured to, in a network constituted by the multiple communication apparatuses, control one or more anchor nodes designated in advance among the multiple communication apparatuses, includes: a route creation unit configured to create route information including labels of communication apparatuses or links to be passed through, based on an input required condition; a route compression unit configured to divide the labels included in the route information in units of anchor nodes, and compress at least a portion of the labels included in the route information into a compressed label that can be expanded in at least one anchor node among the communication apparatuses determined based on the route information, so as not to exceed a processing limit of a communication apparatus determined based on the route information; and a distribution unit configured to distribute information for expanding the compressed label to the at least one anchor node.

Abstract: The purpose of the present invention is to provide a hazard prediction method that can perform hazard prediction activities so as to prevent accidents, regardless of skills and personalities of workers.

Abstract: A load balancer includes: a request queue that stores a request scheduled to be transmitted to a server; a transmission unit that transmits a request read from the request queue to the server capable of processing the request; a reception unit that receives a completion message indicating that processing of the request is completed; and a completion list that stores the completion message, and the transmission unit discards a request for which the completion message is stored in the completion list without transmitting the request to the server, and transmits, to the server, a request for which the completion message is not stored in the completion list and stores the request again in the request queue.

Abstract: Provided is a communication apparatus for making connection to a communication network, including: an optical network unit; and an external power supply input/output terminal, the communication apparatus being configured such that electrical power is fed to the optical network unit from an external terminal that is connected to the external power supply input/output terminal and functions as an auxiliary power supply.

Abstract: An object of the present invention is to provide a multicore non-reflective terminal portion having a small influence of reflected light on an optical transmission system and having a small number of parts, and an optical path testing method using the same. A multicore non-reflective terminal portion 70 according to the present invention includes: 2n (n is a natural number) optical fibers 71 each having a vertically polished end face on one end side and an angle-polished end face on the other end side, a 2n-core MT connector 72 that collects the 2n optical fibers 71 and is attached to the one end side of the optical fibers 71, and n-core MT connectors (73a, 73b) attached to the other end side of the optical fibers 71 for each of two groups of the 2n optical fibers 71.

Abstract: A camera parameter estimating device includes an obtaining unit which obtains time series frames including a plurality of subject images existing in a common field of vision shared by multiple cameras for each of the cameras, a point estimating unit which estimates the coordinates of a joint point determined in the subject image in the time-series frame for each of the subject images, a motion trajectory estimating unit which estimates the trajectory of the joint point between the time-series frames for each of the cameras, an inter-camera correspondence estimating unit which estimates a group of the trajectories between the frames obtained respectively from a pair of the cameras, and a parameter estimating unit which estimates a camera parameter for each of the cameras according to the group of trajectories.

Abstract: An acoustic signal enhancement device includes: a spatiotemporal covariance matrix estimation unit 2 configured to estimate spatiotemporal covariance matrices Rf(j) and Pf(j); a reverberation suppression unit 3 configured to obtain a reverberation suppression filter Gf(j) of the sound source j using the estimated spatiotemporal covariance matrices Rf(j) and Pf(j) for each sound source j and to generate a reverberation suppression signal vector using the obtained reverberation suppression filter Gf(j) and the observation signal vector Xt,f; a sound source separation unit 4 configured to obtain an enhanced sound yt,f(j) of the sound source j and power of the sound source j using the generated reverberation suppression signal vector for each sound source j (where 1?j?J) corresponding to the target sound; and a control unit 5 configured to perform control such that processes of these units are repeatedly performed.

Abstract: An estimation device collects sensor data representing a change in a load along a time series as a change in a voltage value from a sensor that generates a voltage when a load applied to an area changes, and estimates a matter related to a measurement target passing through a predetermined area by using sensor data collected from the sensor installed in the predetermined area.

Abstract: Provided is an interference control system for wireless communication suitable for limiting the total amount of interference given to an interfered device to be protected by a large number of interfering devices. An interference control system includes a subscriber database that stores information regarding a position of each interfering device. A registration application (5) including an ID of an interfering device disposed in a carrier network is received from the interfering device. The registration application is received and position information that matches information stored in the subscriber database regarding the ID is set (2), (3), and (6). The position information is transmitted to the control device for registration (6).

Abstract: Provided is a social value evaluation device, including: a feature value generation unit configured to generate a feature value from text information on social value evaluation; an input unit configured to input text information on an evaluation target; an evaluation unit configured to evaluate a relevance between the feature value and the text information input by the input unit; and an output unit configured to output an evaluation result from the evaluation unit.

Abstract: There is provided an acoustic system for a user who uses a seat of an airplane, an automobile, or the like, which reproduces a sound that cannot be heard by surrounding users without using earphones or headphones. An acoustic system including a speaker system including one speaker unit that emits a sound based on an acoustic signal of a predetermined sound source, in which a sound emitted from the speaker unit is hearable in a region to be audible near the speaker unit, and by a sound emitted from the speaker unit in a back surface direction coming around to a front surface direction, the sound emitted from the speaker unit in the front surface direction and the sound emitted from the speaker unit in the back surface direction cancel each other in a region in the front surface direction far from the speaker unit.

Abstract: An estimation apparatus 10 is a signal processing apparatus for processing an acoustic signal and estimates an observation signal of a virtual microphone arranged virtually from an input observation signal of a real microphone using a deep learning model having a neural network (NN) 11.

Abstract: Provided is an acoustic system for a user who uses a seat of an aircraft, an automobile, or the like, which reproduces a sound that cannot be heard by surrounding users without using earphones or headphones.

Abstract: A wireless communication system comprising a plurality of base station devices including a first base station device and a second base station device, wherein the first base station device connected with a terminal determines whether to continue connection with the terminal or not on a basis of a communication quality requirement of the terminal and a resource that can be provided to the terminal, and the first base station device transmits a control signal instructing connection with the second base station device to the terminal in a case where the first base station device determines not to continue the connection with the terminal.

Abstract: An analysis device includes processing circuitry configured to acquire, from each network traffic sensor that monitors communication of an Internet of Things (IoT) device, a normal communication model that is used for monitoring the communication and indicates a characteristic of normal communication of the IoT device, cluster a normal communication model group of a same feature among acquired normal communication model groups, calculate a majority cluster that is a cluster having a largest number of normal communication models by using a result of the clustering, and calculate an average model of the normal communication model group belonging to the majority cluster, and notify the network traffic sensor serving as an acquisition source of the normal communication model of attribution information indicating whether or not the normal communication model belongs to the majority cluster and the average model.