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 object is to make it possible to find a high-quality solution at a high speed even for a nonconvex sparse optimization problem of bad conditions. A computation unit 130 computes, with respect to each element that is not included in a set of nonzero elements that is previously obtained or an initial value of the set of nonzero elements, an optimum value of an objective function in a case in which elements that are allowed to be nonzero elements are only elements included in a set that is obtained by adding the element not included in the set of nonzero elements to the set of nonzero elements.

Abstract: A coding device executes coding having divided an image into blocks, and includes: a candidate obtainment unit that obtains a plurality of provisional motion vector candidates in a coding target block; an evaluation information obtainment unit that obtains a correspondence vector that is a vector having a same direction and a same magnitude as a direction and a magnitude of the obtained provisional motion vector candidates, and evaluation information of a search center indicated by the correspondence vector in a coded block; and a selection unit that, on the basis of the evaluation information, selects, from the plurality of provisional motion vector candidates, a number of motion vector candidates that is lower than the number of the plurality of provisional motion vector candidates.

Abstract: A station placement design method includes: extracting candidates for an installation location of a wireless base station from point group data in accordance with designated conditions for an installation location of a wireless base station; determining presence/absence of visibility between a plurality of designated wireless terminal stations and the candidates for an installation location of a wireless base station based on the point group data and generating a first list including information in which the candidates for an installation location of a wireless base station and wireless terminal stations determined to have presence of visibility for the candidates for an installation location of a wireless base station are associated with each other; generating a second list including information representing combinations of the candidates for an installation location of a wireless base station that enable all of the plurality of designated wireless terminal stations to be accommodated based on the first list

Abstract: An information processing system according to an embodiment includes a conversion proxy that is connected to devices corresponding to a plurality of types of unique standards, and further connected to a common platform server that performs data exchange with applications. The conversion proxy includes an acquisition unit that acquires ontology data described with a data structure corresponding to the unique standards, a device management unit that acquires and manages device information that is unique to devices corresponding to the unique standards, and a common exchange unit that creates a resource in which a data structure common to the plurality of types of unique standards and a data exchange interface corresponding to the unique standards are correlated, on the basis of the ontology data and the device information, and performs data exchange with the common platform server using the resource.

Abstract: It is intended to accurately convert a speech rhythm. A model storage unit (10) stores a speech rhythm conversion model which is a neural network that receives, as an input thereto, a first feature value vector including information related to a speech rhythm of at least a phoneme extracted from a first speech signal resulting from a speech uttered by a speaker in a first group, converts the speech rhythm of the first speech signal to a speech rhythm of a speaker in a second group, and outputs the speech rhythm of the speaker in the second group. A feature value extraction unit (11) extracts, from the input speech signal resulting from the speech uttered by the speaker in the first group, information related to a vocal tract spectrum and information related to the speech rhythm.

Abstract: A deriving unit (15a) derives correspondences between businesses and any one or a plurality of work assist systems, work functions, programs, software, and setting information of the software, a calculation unit (15b) calculates any one or a plurality of importances of the work assist systems, the work functions, the programs, the software, and the setting information of the software using predetermined importances of the businesses, an analyzing unit (15c) analyzes importances based on utilization trends using utilization trends of work assist systems (Ns) in a predetermined period of time and each of the calculated importances, and a computing unit (15d) computes effects on the businesses using failure information of the work assist systems (Ns), the calculated importances and each of the analyzed importances based on the utilization trends.

Abstract: A pitch enhancement apparatus obtains an output signal by performing, for each time segment, pitch enhancement processing on a signal derived from an input audio signal. The pitch enhancement apparatus includes a pitch enhancement unit that performs, as the pitch enhancement processing, for each time segment, processing to obtain, as an output signal at each time of the time segment, a signal including the signal at the time, a first signal for enhancement that is the signal at a time which is an earlier time than the time by the number of samples T0 corresponding to a pitch period of the time segment, and a second signal for enhancement that is the signal at a time which is an earlier time than the time by the number of samples T?? corresponding to a pitch period of the ?-th time segment previous to the time segment.

Abstract: A construction unit of a conversion device constructs a VPN connected to a VNF in a cloud platform, and a distribution unit distributes a default route designating the conversion device as a transmission destination to a router and another conversion device, and distributes a redirect route to the VNF to which the conversion device belongs to the router. A transfer instruction unit of a controller provides an instruction of a transfer destination of a packet to the conversion device connected to the same cloud platform, the VNF, or another controller. A transfer unit of the conversion device transfers the packet to a recent VNF in the processing order of a chain where the VNF is in the same cloud platform, and transfers the packet to a conversion device connected to the VNF where the VNF is in a cloud platform that is different from the same cloud platform.

Abstract: A dependency of a characteristic of an optical circuit on an optical signal intensity occurring due to input of a high intensity optical signal is reduced in a waveguide type optical interferometer circuit. The waveguide type optical interferometer circuit is a waveguide type optical interferometer circuit formed in one plane, and includes an input waveguide, an optical branching unit, an optical coupling unit, an output waveguide, and optical waveguides having different lengths from each other and being interposed between the optical branching unit and the optical coupling unit. A light intensity compensating region is formed on an optical path extending from the optical branching unit to the optical coupling unit, and the light intensity compensating region is formed by using a light intensity compensating material having a light intensity coefficient different from a light intensity coefficient of an optical distance relative to an incident light intensity in the optical path.

Abstract: A function defined in source code of an application is further partitioned into a plurality of logics without depending on function definition performed by a developer. An application partitioning apparatus (1) for partitioning an application distributively processed by a plurality of information processing apparatuses into a plurality of logics includes an acquisition unit (121) which acquires source code of the application, a first partitioning unit (122) which identifies a plurality of functions defined in the source code and partitioning the source code into the plurality of functions, a determination unit (123) which determines whether each of the partitioned functions can be further partitioned according to rules set in advance, and a second partitioning unit (124) which, when it is determined that each of the partitioned function can be partitioned, partitions the function into a plurality of functions including one or a plurality of rows.

Abstract: An object is to provide a multipoint distribution system, a distribution method, a management apparatus, and a program which determine whether or not to switch between a current-use system and a backup system in consideration of the importance levels of distribution destinations. The multipoint distribution system according to the present invention includes a distribution destination system importance level database that stores the importance levels of distribution destinations. When a distribution destination not able to communicate with a current-use video distribution system is detected, the multipoint distribution system performs switching from the current-use video distribution system to a backup video distribution system only upon determining that the distribution destination is important by referring to the distribution destination system importance level database.

Abstract: A classification apparatus that classifies sequential data, in which input communication destinations in a plurality of communications are recorded in order of occurrence of the communications, into a class that has a similar feature. There is a numerical vector calculation unit-configured to calculate numerical vectors that represent characteristics of communication destinations for each of the communication destinations, on the basis of sequential data in which the communication destinations in a plurality of communications are recorded in order of occurrence of the communications, and a classification unit-configured to classify the sequential data into a class that has a similar feature, on the basis of order relation of the communication destinations of the numerical vectors.

Abstract: Provided are a device control apparatus, a device control method, and a device control system which prevent a conflict from occurring in RPCs simultaneously transmitted from a plurality of applications to the same device, so that RPCs can be applied to exercise control over devices in an IoT system of a many-to-many connection which cannot accept non-completion of a series of processing operations in cooperation. The device control apparatus includes a memory (13h) in which information on a device (30) and an identifier of the device (30) is stored, and a memory (13i) in which authority of the device 30 for each application (20) is stored. The device control apparatus includes a memory (13h) configured to store information on a device (30) and an identifier of the device (30), and a memory (13i) configured to store authority for controlling the device 30 for each application (20). The apparatus, the method, and the system provide, in accordance with a request signal from, e.g.

Abstract: In a random access radio communication system configured to perform downlink communication from a radio base station to radio terminals by random access, the radio terminals include one or more low latency terminals requiring low latency and one or more non-low latency terminals not requiring low latency, and the low latency terminals and the non-low latency terminals are configured to be distinguished by service set identifiers (SSIDs). The random access radio communication system includes terminal assignment destination control unit of distinguishing the low latency terminals and the non-low latency terminals in accordance with the SSIDs and evenly distributing the terminals into a plurality of communication channels, and random access control unit of performing priority control on the low latency terminals and the non-low latency terminals for each communication channel so that the downlink communication in the low latency terminal satisfies a predetermined delay time.

Abstract: A technique for efficiently determining the optimal deployment for the application distribution processing can be offered. A distributed processing support apparatus configured to support distributed processing of an application on a plurality of information. processing devices includes a source code acquisition unit configured to acquire a source code of the application; a source code partition unit configured to partition the source code into a plurality of logics; a candidate extraction unit configured to extract, based on a processing order of the logics of the application, information relating to the operational environments of the information processing devices, deployment pattern candidates of the logics which are to be deployed in a distributed manner to any of the information processing devices; and an optimal pattern determination unit configured to determine an optimal deployment pattern from the extracted deployment pattern candidates.

Abstract: A display device which can reproduce kinematic parallax and express a high sense of realism without using image display means are provided. The display device includes an image display unit having a stripe structure having subpixels of a plurality of colors disposed so that subpixels of the same color are arranged in a first direction and enabling an observer to observe, through an aperture, an image formed by pixels, each pixel being constituted by the subpixels of a plurality of colors. The aperture has a shape that has been smoothed to reduce a number of corners in which areas of the subpixels of the plurality of colors which can be seen through the aperture are uniform, and in which a numerical aperture decreases along a second direction orthogonal to the first direction. A plurality of the apertures are provided so as not to overlap with each other.

Abstract: There are provided an optical transmission apparatus that subjects a transmission signal including a plurality of sequences to Hadamard transform to obtain a signal in which a predetermined delay is added to one of the sequences, optically modulates the obtained signal, and transmits the modulated signal, and an optical reception apparatus that demodulates a reception signal received from the optical transmission apparatus by subjecting the reception signal to adaptive equalization processing with a predetermined number of taps.

Abstract: An object is to provide an optical pulse test method and an optical pulse test device with which it is possible to measure transmission losses of a basic mode and a first higher-order mode at a connection point at which two-mode optical fibers are connected in series, without switching the mode of input test light.

Abstract: It is possible to construct an agent that can deal with even a complicated task. For a value function for obtaining a policy for an action of an agent that solves an overall task represented by a weighting sum of a plurality of part tasks, an overall value function is obtained, which is a weighting sum of a plurality of part value functions learned in advance to obtain a policy for an action of a part agent that solves the part tasks for each of the plurality of part tasks using a weight for each of the plurality of part tasks. The action of the agent corresponding to the overall task is determined using a policy obtained from the overall value function and the agent is caused to act.