Abstract: A cycle estimation device (10) includes: a candidate cycle extraction unit (11) which extracts a candidate cycle that is a cycle determination target from an input time-series pulse train; a pulse train shape analysis unit (12) which converts arrangement of the time-series pulse train into numerical values on the basis of the extracted candidate cycle and outputs a constant that adjusts a random noise threshold value of pulse repetition interval (PRI) conversion in response to an index indicating a degree of concentration of calculated numerical values; and a cycle detection unit (13) which executes PRI conversion using a value of the candidate cycle and the constant and performs cycle determination and cycle value detection.

Abstract: A data search apparatus according to an embodiment includes: an input unit; and a storage apparatus configured to store master data names managed with master data.

Abstract: A message transmitting and receiving method according to one aspect is performed by a communication apparatus, the communication apparatus including a middleware unit configured to manage a message published by a publisher in a publish/subscribe system in which a message is exchanged between the publisher and a subscriber via a broker, and a storage unit configured to store a library including functions configured to provide the broker, and includes the steps of performing, by the middleware unit, subscribing on the broker by setting a callback function, and upon receipt of a first message published by a device, passing, by the broker, the first message to the middleware unit by calling the callback function.

Abstract: Provided is an antenna placement method in a system for detecting an object in a detection area between at least one set of a transmission station and a reception station by a wireless signal.

Abstract: An object is to provide an optical fiber route search method, an optical fiber route search device, and a program that can efficiently confirm a path of an optical fiber that is installed over a long distance or across a large range. The optical fiber route search method according to the present invention carries out optical measurement that performs distributed measurement of the state of an optical fiber while applying a disturbance to the optical fiber in a portion in which wires of the optical fiber are parallel to each other, branch out, or intersect with each other (a proximity portion), and determines that the position in which the number of singularities (peaks or intensity fluctuations) fluctuates (becomes plural) is the position of the proximity portion from a distribution diagram obtained through the optical measurement.

Abstract: An information processing apparatus according to an embodiment includes: a creation processing unit which creates information indicating a message structure based on which a length of a memory area to be secured in a stack area of a virtual address space assigned for a serialization process is determined during compilation; a serialization processing unit which performs a serialization process to serialize data from a device and write the serialized data into a data storage device using the information created by the creation processing unit; and a deserialization processing unit which reads the serialized data written into the data storage device and deserializes the read data using the information created by the creation processing unit.

Abstract: A learning data acquisition device or the like, capable of acquiring learning data by superimposing noise data on clean voice data at an appropriate SN ratio, is provided. The learning data acquisition device includes a voice recognition influence degree calculation unit and a learning data acquisition unit. The voice recognition influence degree calculation unit calculates an influence degree on voice recognition accuracy caused by a change of a signal-to-noise ratio, based on a result of voice recognition on the kth noise superimposed voice data and a result of voice recognition on the k?1th noise superimposed voice data, where K is an integer of 2 or larger, k=2, 3, . . .

Abstract: A signal output unit outputs an acquired signal. A signal attribute value display unit displays a value of an attribute related to an element constituting a target represented by the acquired signal or a signal generation source in a state in which a change instruction of the value of the attribute is able to be received. A changed attribute value acquisition unit acquires a changed value of the attribute when the change instruction of the value of the attribute is received. A change unit changes the value of the attribute for which the change instruction has been received on the basis of the changed value of the attribute acquired by the changed attribute value acquisition unit. A changed signal output unit outputs a changed signal in which the value of the attribute has been changed.

Abstract: To provide an optical communication system and an optical communication method able to achieve a high reliable access network capable of long haul distance transmission considering the optical energy efficiency even if the user distribution is biased. An uneven branch optical splitter included in an optical communication system according to the present invention can output the optical intensities different for each output port by adjusting the branching configuration and the branching ratio. For example, a reach transmission distance of the farmost user can be extended or the number of connectible users can be increased by adjusting the branching configuration of the uneven branch optical splitter or the branching ratios such that the near minimum reception sensitivity is given for the ONU installed near the telecommunications carrier.

Abstract: An access source classification apparatus has: a first calculation unit that calculates a statistic related to access to each service by each access source based on a set of access logs indicating access to any service of a plurality of services by any access source of a plurality of access sources; an extraction unit that, for each of the services, calculates an index value indicating distribution of access status to the service for each of the access sources based on the access logs related to the service, and extracts some services based on the index value; a second calculation unit that calculates relevance between each access source and each service extracted by the extraction unit by applying a clustering approach to the statistic; and a classification unit that classifies an access source to any service extracted by the extraction unit into any of groups each including one or more access sources based on the relevance, thereby assisting improvement of efficiency in identifying the terminal type of an a

Abstract: A device identification device (100) includes: a device feature value extractor (1-1, 1-2) to routinely extract one or more device feature values of an unknown device; a model identifier (6) to identify a model of the unknown device; a change pattern generator (2) to generate one or more change patterns of the extracted one or more device feature values; and a device similarity calculator (3) to compare each of the generated one or more change patterns with each of change patterns of known devices, to calculate a device similarity therebetween, and identify the unknown device, when the maximum value of the calculated device similarities is equal to or greater than a first threshold, as the known device indicating the maximum value.

Abstract: Without dividing speech into a unit such as a word or a character, text corresponding to the speech is labeled. A speech distributed representation sequence converting unit 11 converts an acoustic feature sequence into a speech distributed representation. A symbol distributed representation converting unit 12 converts each symbol included in the symbol sequence corresponding to the acoustic feature sequence into a symbol distributed representation. A label estimation unit 13 estimates a label corresponding to the symbol from the fixed-length vector of the symbol generated using the speech distributed representation, the symbol distributed representation, and fixed-length vectors of previous and next symbols.

Abstract: A creation device includes processing circuitry configured to collect pieces of information about IoT (Internet of Things) apparatuses connected to IoT gateways, and white lists stored in the IoT gateways, the white lists specifying content of communication allowed for each of the IoT apparatuses, calculate a feature value showing communication features of IoT apparatuses for each of the IoT gateways, and degrees of similarity in the feature value among the IoT gateways, based on the collected pieces of information about the IoT apparatuses, and extract, if any of the calculated similarity degrees is equal to or above a predetermined threshold, pieces of white list information about IoT apparatuses to mutually complement white lists stored in IoT gateways, from pieces of white list information about IoT apparatuses included in the white lists.

Abstract: To implement a video processing device, a video processing method, and a video processing program capable of estimating a movement vector from a video content and providing processing information based on the movement vector to a haptic device or other force sense presentation devices, a video processing device according to the present disclosure includes a scene identification unit to estimate scene class information that is information identifying a scene class for a video content and a plurality of movement information estimation units to estimate a movement vector from the video content. One movement information estimation unit that is selected from the plurality of the movement information estimation units in response to the scene class identified by the scene class information estimates the movement vector.

Abstract: A video image editing device or the like, capable of editing a wraparound video image generated by using a plurality of video images captured by multi-viewpoint cameras to be comfortably viewable by viewers, is provided. Based on information about the positions and the sizes of X subjects, a polynomial expression regarding the position of the subject and a polynomial expression regarding the size of the subject are generated. Correction or interpolation of the positions of the H subjects is performed by a polynomial approximation curve using the polynomial expression regarding the position of the subject, correction or interpolation of the sizes of the N subjects is performed by a polynomial approximation curve using the polynomial expression regarding the size of the subject, and the sizes of the N subjects are expanded or contracted with an expansion/contraction parameter p.

Abstract: An image processing device includes an image processing unit configured to execute image processing on an image based on an input image and output a result of the image processing, the input image is a post-conversion image obtained by performing image conversion on an original image, and the conversion includes image conversion for further decreasing a data size of the original image while maintaining a feature quantity used in the image processing and processing accuracy of the image processing.

Abstract: An update device includes processing circuitry configured to store package management information that includes associations between files and packages including the files and information indicating existence/non-existence of dependence relationships among the packages, and an access control list that includes associations between the files and access source files permitted to access the files, refer, when a combination of a file and an access source file is specified, to the package management information to identify a package including the file and a package including the access source file, and add, when the identified package including the file and the identified package including the access source file are the same or are mutually in a dependence relationship, the specified combination to the access control list.

Abstract: An optical receiving device that divides receive signals obtained by receiving an optical signal using a coherent detection scheme into a plurality of frequency bands, matches timing of the receive signals along a time axis between the frequency bands resulting from the division, performs a combining process of combining the receive signals contained in the plurality of frequency bands, and compensates the receive signals for waveform distortion either before or after the combining process, includes: a first wavelength dispersion compensation unit adapted to compensate the receive signals for waveform distortion in each of the frequency bands resulting from the division; a first nonlinear compensation unit adapted to compensate the receive signals belonging to each of the frequency bands and timed with each other in a time domain for a nonlinear optical effect; and a second wavelength dispersion compensation unit adapted to compensate the receive signals belonging to each of the frequency bands and compensate

Abstract: There are provided a data analysis device, a method, and a program that are capable of improving the accuracy of predicting an output variable for an unknown input variable by making it possible to use input/output data in which the value of the output variable is given as an interval value. A data analysis device 10A includes: a data processing unit 12 that performs a process of acquiring data represented by a set of a plurality of first input/output data in which a value of an output variable is given and a plurality of second input/output data in which a value of an output variable is gives as an interval value representing a range; and a prediction unit 16 that, based on an input variable for which a value of an output variable is unknown and the data, predicts a value of an output variable for the unknown input variable using a Gaussian process.

Abstract: A sensor control circuit periodically transmits packets in synchronism with a one-by-one monotonous change in count values from a real-time clock circuit. The count values repeat the change within a predetermined numerical value range. The sensor control circuit transmits the count values by adding them to the packets. A collection control circuit acquires values of a reference clock synchronized with a reference time of an upper network from a reference clock generation circuit in accordance with reception of the packets, stores the values in a storage circuit as time stamps representing arrival times of the packets, performs statistical processing of the time stamps and the count values concerning the packets received, and corrects the time stamps based on an packet transmission interval and a reference arrival time representing the arrival time of a head packet, which are obtained from the statistical processing.