Abstract: A time feature value calculation apparatus according to an embodiment includes an interpolation unit (182) and a time feature value calculation unit (183). In accordance with a variability tendency of a biological signal exhibited in time-series data of the biological signal resulting from an abnormality value process performed to eliminate an abnormality value from the biological signal in response to an input of the biological signal having periodicity, the interpolation unit interpolates a missing value in the biological signal in the time-series data of the biological signal resulting from the abnormality value process. The time feature value calculation unit calculates a time feature value focusing on the variability tendency of the biological signal measured over an arbitrary time period, from the interpolated time-series data of the biological signal.

Abstract: An optical transmission system includes: first and second optical transmitting units for respectively transmitting first and second optical signals that are obtained, respectively, as a result of first and second frequency-multiplexed multi-channel signals being converted by means of FM batch conversion; a carrier monitoring function unit for monitoring each carrier signal included in the optical signals; an output adjustment unit for adjusting signal intensities of the optical signals and outputting the optical signals; a multiplexer for outputting a multiplexed signal of the optical signals; an amplifier for amplifying the multiplexed signal; and first and second optical receiving units for receiving the respective optical signals included in the amplified multiplexed signal. The output adjustment unit adjusts the respective signal intensities of the optical signals such that the signal intensity at each optical receiving unit is larger than or equal to a predetermined value.

Abstract: A guidance text generation device that generates a guidance text for a user includes a route generation unit that generates a route including nodes from a point of departure to a destination, the nodes being represented by the point of departure, corners or/and ends at which a traveling direction changes and the destination and geographical information including types for classifying things located on a route connecting nodes, the types being classified into at least one of global brands, universal signs/facilities, objects peculiar to Japan, shops/facilities with alphanumeric notation, and shops, facilities and objects that do not fall under any of such categories and a guidance text generation unit that generates a guidance text for the generated route based on the generated route, the geographical information on the generated route, presentation priority of the geographical information associated with the type of the geographical information.

Abstract: A monetary risk prediction apparatus according to an embodiment includes: a predictive model recording unit that records a predictive model to predict time-series data showing a future asset amount of a user; and prediction means for receiving evaluation data that is time-series data including an asset amount and a numeric value showing a health condition of the user, inputting the evaluation data to the predictive model recorded on the predictive model recording unit, and outputting the time-series data showing the future asset amount of the user predicted by the predictive model according to the input.

Abstract: A radio terminal accommodation determination device includes: an average received power calculation unit for calculating an average received power for each mesh constituting an area; an interfering signal power CDF creation unit for creating a cumulative distribution function of all interfering signal powers; an intended signal power PDF creation unit for creating a fourth probability density function indicating a probability density function of an intended signal power; and a communication success rate estimation unit for calculating, for each base station, a communication success rate of the intended terminal based on the cumulative distribution function and the fourth probability density function.

Abstract: A technique of generating training data which enables improvement of estimation accuracy compared to the related art is provided. A training data generation device includes an image acquisition unit 11 configured to acquire an image of an object on which three or more markers are pasted, a marker measurement unit 12 configured to measure a position of each marker in the image and generate position and attitude information which is information regarding a position and an attitude of the object on the basis of the position of each marker, a recovery region determination unit 13 configured to determine a recovery region for inpainting in the image on the basis of the position of each marker, an image inpainting unit 14 configured to remove each marker from the image on the basis of the recovery region, and a training data generation unit 15 configured to generate training data on the basis of the image in which each marker is removed and the position and attitude information.

Abstract: The present invention aims to provide a vibration detection method, a signal processing device, and a program according to which it is possible to accurately detect vibration physically applied to an optical fiber, using a simple determination reference. In a vibration detection method according to the present invention, scattered light of a given target segment of a measurement target fiber is indicated by vectors of an in-phase component and a quadrature component, and a triangular shape constituted by a near-end-side vector of the target segment and a far-end-side vector is used as a physical amount to be tracked. That is, it is determined whether or not there is vibration based on a change in shape of the triangular shape with respect to a reference state. This is a detection method in which DAS-I and DAS-P are combined, a simple determination reference such as shape change of a triangular shape is employed, and overlooking of vibration detection can be reduced.

Abstract: A period estimation apparatus includes processing circuitry configured to extract candidate periods being a target of period determination from an input pulse train, use at least one of the candidate periods extracted to determine whether the at least one of the candidate periods exists as an actual period, and, when determining that the at least one of the candidate periods does not exist as the actual period, suspend the period determination for the at least one of the candidate periods, perform the period determination for the at least one of the candidate periods determined to exist as the actual period, generate a pseudo periodic pulse train, adjust, based on a differential value between the pseudo periodic pulse train generated and the input pulse train, a pulse position of the pseudo periodic pulse train, and detect a periodic pulse train according to results of the period determination and adjustment.

Abstract: An aggregate median is efficiently obtained while confidentiality is kept. An order computing part generates ascending order a and descending order d within a group when a table which has been stably sorted based on a desired value attribute and a key attribute is grouped based on the key attribute. A subtracting part generates shares {a-d}, {d-a} of a-d, d-a. A bit deleting part generates shares {a?}, {d?} of a?, d? obtained by excluding least significant bits from {a-d}, {d-a}. An equality determining part generates shares {a?}, {d?} of {a?}:={|a?=0|}, {d?}:={|d?=0|}. A format converting part (15) converts {a?}, {d?} into [a?], [d?]. A flag applying part generates shares [va], [vd] of [va]:=[v1a?], [vd]:=[v1d?]. A permutation generating part generates shares {{?a}}, {{?d}} of permutations ?a, ?d which sort ¬a?, ¬d?. A median computing part generates a share [x] of a vector x.

Abstract: A setting unit (100) includes: a limitation unit (10) that limits a list of extension user interface items to be added to an existing Web system, the items being selectable by a setting person, according to a role of the setting person including affiliated post, skill, or authority of the setting person and user interface information; and an operation setting unit (14) that sets the extension user interface in which a parameter specifiable for the item selected by the setting person is limited according to the role of the setting person and the user interface information.

Abstract: In Round1, each terminal device transmits a key encryption key which conforms to post-quantum cryptography to a neighboring terminal device; in Round2, each terminal device generates a key capsule of a key-shared-between-two-parties using the received key encryption key and returns the key capsule to a terminal device which is a source of the key encryption key; in Round3, each terminal device generates information based on the key-shared-between-two-parties and transmits the information to a key distribution management device and the key distribution management device distributes information, which is obtained based on these pieces of information, to the terminal devices. Each terminal device calculates a shared key based on the distributed information.

Abstract: An anomaly detection device includes a memory, and processing circuitry coupled to the memory and configured to acquire communication feature values of communication devices, calculate, for each transmission source MAC address included in the communication feature values acquired, a total value of the number of transmitted and received packets or a total value of the number of bytes, for each layer-2 switch connected to a corresponding communication device, and determine, for each transmission source MAC address, that a communication device corresponding to the transmission source MAC address is connected to a layer-2 switch whose total value of the number of transmitted and received packets or total value of the number of bytes calculated is the largest.

Abstract: Provided is a chromatic dispersion compensation method including: dividing a reception signal obtained by receiving an optical signal using a coherent detection scheme into a plurality of frequency bands; adjusting a timing on a time axis of the reception signal for each of the divided frequency bands; performing combination processing for combining the reception signals included in the plurality of frequency bands; performing chromatic dispersion compensation on the reception signal at any timing before or after the combination processing; selecting, before the combination processing, sections in which overlapping parts determined based on lengths of overlap parts are generated; outputting the reception signal for each of the selected sections as a division processing block; and removing the overlap parts from both ends of a processing block generated by combination of the division processing blocks in the combination processing so as to be continuous on a frequency axis.

Abstract: A transfer device installed between a host device and a plurality of OLTs in a communication system to which a network with a PON configuration including the plurality of OLTs between the host device and a subordinate device is applied, the transfer device including a frame information acquisition unit configured to monitor downstream frames input from the host device and calculate a statistical value of the downstream frames per a predetermined fixed cycle, a frame storage unit including a plurality of queues each configured to store downstream frames to be transferred to the plurality of OLTs, the frame storage unit configured to store the downstream frames input from the host device, a frame sorting unit configured to input the downstream frames to the plurality of queues in the frame storage unit, and a distribution control determination unit configured to determine the number of frames to be sequentially input by the frame sort unit to the plurality of queues based on the statistical value.

Abstract: A reference region determination device is for determining a reference region to be stored in a reference image buffer, and includes: a motion vector acquisition portion configured to acquire a motion vector for each one of already encoded blocks; a position change amount derivation portion configured to derive a position change amount for the reference region based on the acquired motion vectors; and a reference region determination portion configured to determine a position of the reference region to be used in encoding of a next block for encoding after the already encoded blocks based on the position change amount.

Abstract: According to one aspect, an information processing apparatus includes: a terrain data processing unit which performs a terrain data process of calculating a terrain coordinate group based on terrain data in which a position and a shape of an object are represented by a plurality of nodes or are represented by a plurality of nodes and a link between the nodes; and a selection processing unit which selects nodes adjacent or close to each other, indicated by the terrain coordinate group calculated by the terrain data processing unit, and selects a node suitable to calculate a width of the object from other nodes based on a positional relationship between the selected nodes and the other nodes.

Abstract: Provided is a non-negative matrix factorization technology of achieving high-speed and stable convergence. A non-negative matrix factorization optimization device includes an optimization unit configured to optimize a non-negative matrix {A, B}, which is factorization of a matrix Z satisfying Z=ABT, by inputting a measurement matrix Y, where Y represents a non-negative measurement matrix representing a measurement signal or measurement data, and Z represents a non-negative matrix constructing the measurement matrix Y, and a cost function J to be used for optimization by the optimization unit is defined by an expression of J(A, B)=G(Y?ABT)+HA(A)+HB(B), where G represents a loss term, HA represents a normalization term for the matrix A, and HB represents a normalization term for the matrix B, and the optimization unit optimizes the matrix {A, B} based on Bregman monotone operator splitting.

Abstract: A distributed amplifier includes a first transmission line for input, a second transmission line for output, an input termination resistor connecting a line end of the first transmission line and a power supply voltage, an output termination resistor connecting an input end of the second transmission line and a ground, unit cells having input terminals connected to the first transmission line and output terminals connected to the second transmission line, and a bias tee configured to supply a bias voltage to an input transistor of each of the unit cells. An emitter or source resistor of the input transistor of each of the unit cells is set to a different resistance value from each other in order for a collector or drain current flowing through the input transistor of each of the unit cells to have a uniform value.

Abstract: A generation apparatus includes an interpolation unit that generates, from a moving image including a plurality of frames, an interpolated frame in which some regions in one or more frames included in the moving image are interpolated, and a discrimination unit that discriminates whether a plurality of input frames is interpolated frames in which some regions in the plurality of input frames is interpolated. The discrimination unit includes a temporal direction discrimination unit that discriminates time-wise the plurality of input frames, a spatial direction discrimination unit that discriminates space-wise the plurality of input frames, and an integrating unit that integrates discrimination results from the temporal direction discrimination unit and the spatial direction discrimination unit.

Abstract: Provided is a technology of learning an acoustic model with a certain degree of accuracy of sound recognition within a short calculation period.