Abstract: A signal processing device according to an embodiment of the present invention includes: a conversion unit configured to convert an input mixed acoustic signal into a plurality of first internal states, a weighting unit configured to generate a second internal state which is a weighted sum of the plurality of first internal states based on auxiliary information regarding an acoustic signal of a target sound source when the auxiliary information is input, and generate the second internal state by selecting one of the plurality of first internal states when the auxiliary information is not input, and a mask estimation unit configured to estimate a mask based on the second internal state.

Abstract: An image processing apparatus includes a change detection unit configured to detect a direction change, which is a temporal fluctuation in a plausible direction orthogonal to an edge determined for each pixel in an edge image indicating a high frequency component in an image that is an image processing target, and a phase change, which is a temporal fluctuation of a phase of the high frequency component according to the direction change, and a reliability estimation unit configured to estimate reliability indicating that the detected phase change is not a change caused by noise based on a variance value of the direction change per unit time.

Abstract: An interference wave arithmetic operation method performed by a wireless communication system including a plurality of antennas, the method including: determining an interferer antenna on the basis of information regarding directivity, a position, and an orientation of each of the plurality of antennas; and calculating interference wave reception intensity of a victim antenna using an interference wave from the determined interferer antenna.

Abstract: An optical and electronic integrated switch includes a network processor that controls the functions of the packet switch, a plurality of optical transceivers having photoelectric conversion functions, and a plurality of optical switches. The optical switches include different types of optical core switch and a plurality of optical-path selection switches. The optical transceivers provided near the processor have a regenerative relay function that regenerates optical signals and turns back the optical signals, and perform optical communication with a communication counterpart via the optical switches. In the optical communication, optical switches of the different types can cooperate to set paths for optical cut-through in which path selection is performed such that inputted optical signals are outputted without the intervention of the processor. This optical cut-through can be effectively performed without imposing a signal processing burden that consumes electric power on the processor.

Abstract: Conductive polymer fibers 10, in which a conductor 12 containing a conductive polymer impregnates and/or adheres to base fibers 11, and the aforementioned conductive polymer is PEDOT-PSS.

Abstract: A training data confirmation support device according to the present disclosure includes a label inference unit that infers inference labels that are labels corresponding to elements included in training data in which elements and correct labels corresponding to the elements are associated with each other using a model that is learned using the training data and infers labels corresponding to the elements, and an evaluation unit that generates evaluation results of the training data creators on the basis of comparison between correct labels corresponding to elements included in the training data and inference labels of the elements.

Abstract: A communication system includes a user terminal that transmits and receives a message, and a server device that manages a public key and a private key, wherein the user terminal includes first processing circuitry configured to, when transmitting the message to another user terminal, acquire a public key corresponding to identification information about a recipient of the message, and encrypt the message or a file attached to the message, using the acquired public key, transmit, to the another user terminal, a message obtained by encrypting the message or the file attached to the message, and when receiving the message from the another user terminal, request the server device to decrypt the message or the file attached to the message, and receive the decrypted message or file from the server device, and the server device includes second processing circuitry configured to generate a private key corresponding to the identification information.

Abstract: An estimation apparatus includes an estimation unit that estimates a future incident occurrence quantitative value in a region on the basis of at least two or more inputted psychological-state/sensibility expressing words emitted in a predetermined region and the input order of the two or more psychological-state/sensibility expressing words, using an estimation model for estimating an incident occurrence quantitative value that is a quantitative value of an occurrence of a predetermined event in the region after a certain time, with an input being at least a time series of two or more psychological-state/sensibility expressing words emitted in the predetermined region before the certain time.

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. The system provides a control device disposed in a public network with a resource application based on a message issued regarding use of a radio resource by an interfering device disposed in a carrier network. A response based on a message issued by the control device with respect to the resource application is provided to the interfering device that has issued the resource application. A resource table including information in which availability of frequency in carrier network is estimated is updated on the basis of the resource application and the response. The information in which the availability is estimated and included in the resource table is reflected in the resource application.

Abstract: A sound source signal is estimated with high accuracy in a noise environment. A sound source signal estimation unit (15) estimates each sound source signal using a separation matrix from an observation signal obtained by collecting a mixed acoustic signal in which a plurality of sound source signals and diffusive noise are mixed by a microphone array formed by a plurality of microphones The separation matrix is configured to convert steering vectors from each sound source to the microphone into unit vectors and convert a spatial covariance matrix of the diffusive noise into a matrix including a diagonal matrix with a size of the number of sound sources.

Abstract: Provided is an interference control system for wireless communication suitable for limiting the total amount of interference to which an interfered-with wireless communicator to be protected is subjected by interfering wireless communicators. A repeater disposed between the interfering wireless communicator and a controller includes a processor and a memory storing a program executed by the processor. The processor acquires registration information including a position and a transmission power for each interfering wireless communicator, and estimates, for each interfering wireless communicator, a terminal range in which there is a likelihood that a terminal wireless communicator communicating with the interfering wireless communicator is present based on the position and the transmission power. The processor transmits a registration application including the terminal range to the control device.

Abstract: A distribution system according to one embodiment includes: an arrangement unit that arranges a plurality of virtual viewpoints around an object represented by stereoscopic data constituting stereoscopic video content; a first creation unit that creates, for each of the virtual viewpoints, one side stereoscopic data in which an amount of data of a portion of the object that cannot be visually recognized from the virtual viewpoint is reduced; and a distribution unit that distributes one side stereoscopic data of one virtual viewpoint among the one side stereoscopic data for each of the virtual viewpoints to a terminal of a user according to a position and a field of view of the user in a virtual space in which the object is arranged.

Abstract: A storage unit (14) stores a setting point list (14b) in which a predetermined setting point and an operation screen at the setting point are associated with each other. A generation unit (15b) sets, as a node, an operation screen on which processing content is reflected, generates an operation screen flow (14c) representing a processing order of the node by using an operation manual, and associates the operation screen flow (14c) and the setting point. An extraction unit (15d) extracts, from the operation screen flow (14c), a route from a node corresponding to a screen being operated to a setting point at a subsequent stage of the node. A presentation unit (15e) presents, to an operator, an operation screen on the extracted route.

Abstract: According to an aspect of the present invention, an optical signal control apparatus controls a compensation coefficient of an equalizer of an optical transmitter including the equalizer of a symbol period interval and a digital-to-analog converter (DAC) operating at a symbol period interval sampling rate and having a sampling phase adjustment function, and the sampling phase of the DAC. The optical signal control apparatus includes a skew calculation unit configured to calculate a sampling phase amount from a group delay difference between an in-phase component and a quadrature component based on characteristic information of a device and a transmission path and to output the calculated sampling phase amount to the DAC and a compensation coefficient calculation unit configured to calculate the compensation coefficient in which a phase characteristic of a Nyquist frequency of the DAC is 0 or an integer multiple of ? and to output the calculated compensation coefficient to the equalizer.

Abstract: An object of the present invention is to provide a Brillouin gain spectrum distribution measuring method and apparatus capable of measuring a BGS, having a line width narrower than usual, in a distributed manner in the longitudinal direction of an optical fiber under test. This measuring apparatus prepares pump light in which a pulse is added to continuous light and probe light of continuous light in which a frequency is shifted from the pump light, makes the probe light incident on one end of the FUT and the pump light incident on the other end, and obtains a time waveform of a component amplified by the pump light pulse of a probe light intensity amplified by the pump light. This measuring apparatus changes an optical frequency difference between the pump light and the probe light, and obtains a time waveform for each optical frequency difference. This measuring apparatus obtains a BGS distribution of the FUT from these time waveforms.

Abstract: A signal processing device according to an embodiment distributes input high priority frames and low priority frames according to priorities, processes and transfers each of the distributed high priority frames and low priority frames, an accumulation unit accumulates the transferred high priority frames and low priority frames, sequentially reads out and outputs each of the high priority frames and low priority frames accumulated by the accumulation unit according to the priority, sets the low priority frames to be divided by a predetermined size and transferred in a case where the high priority frames are input or in a case where the accumulation unit accumulates the high priority frames, and sets the low priority frames to be transferred without division in a case where the high priority frames are not input and the accumulation unit does not accumulate the high priority frames.

Abstract: An object of the present disclosure is to measure a delay time occurring in a device that receives or outputs a video or an audio without requiring a special apparatus or precise inter-apparatus time synchronization.

Abstract: Provided is a technique for facilitating evaluation of a relationship between persons in work. An information processing device according to one embodiment includes: an acquisition unit that acquires an achievement value for each work representing an achievement of each work obtained when a plurality of workers is combined and allocated to the work; a calculation unit that calculates an evaluation value for each work by comparing the achievement value for each work with a reference value; a determination unit that determines quality of a relationship between the plurality of workers based on the evaluation value for each work; and a setting unit that sets, based on a result of the determination, a relationship value numerically representing the quality of the relationship between the plurality of workers.

Abstract: An exploration method according to the present disclosure includes: a step (S11) of disposing, in a pipeline (PL) that allows a plurality of manholes (MH) to be interconnected, an electromagnetic wave receiving/transmitting device (1) that transmits an electromagnetic wave and receives a reflected electromagnetic wave that is a reflected wave of the electromagnetic wave; a step (S13) of transmitting the electromagnetic wave; a step (S14) of receiving the reflected electromagnetic wave that is the reflected wave of the electromagnetic wave; and a step (S18) of calculating an intensity distribution of the reflected electromagnetic wave on the basis of an intensity of the reflected electromagnetic wave and a round-trip propagation time from when the electromagnetic wave is transmitted to when the reflected electromagnetic wave is received.

Abstract: An objective of the present invention is to provide a mode conversion device capable of designing any coupling efficiency and full width at half maximum, and a design method therefor. According to the present invention, a mode conversion device includes a long period grating at a core of an optical fiber through which light is able to propagate in at least two propagation modes. The long period grating satisfies a relationship of Expression C1, where a full width at half maximum FWHM is a wavelength band in which the coupling efficiency is a half of coupling efficiency of mode conversion at a center wavelength, C is coupling efficiency, Lc is a complete coupling length, Lg is a grating length, ? is a grating pitch, and ?? is a propagation constant difference between the two propagation modes at the center wavelength of a mode conversion target. [ Math .