Abstract: An action selection learning device includes a memory; and a processor coupled to the memory and configured to generate a reference model that is a set of model parameter vectors that indicate an influence level of each factor that influences selection of an action alternative, calculate a selection probability for each action alternative, for each of the model parameter vectors, calculate a model parameter vector for each user using a subset of model parameter vectors extracted from the reference model, based on the selection probability for each action alternative and a selection history of the action alternative by each user, generate the action alternatives based on the model parameter vector for each user, and transmit the generated action alternatives to a terminal device.

Abstract: A navigation support method executed by a computer includes: storing performance estimation models regarding speed of a vessel for each of vessel maneuvering patterns; accepting one of the vessel maneuvering patterns to be used in a navigation; calculating the speed of the vessel on a route of the vessel, based on one of the performance estimation models that corresponds to the accepted one of the vessel maneuvering patterns among the performance estimation models, and meteorological arid hydrographic forecast data; and displaying an arrival time on the route that is optimal, based on the speed of the vessel that has been calculated.

Abstract: A navigation support method executed by a computer includes: classifying vessel voyage data according to each meteorological and hydrographic condition; calculating characteristic distribution of vessel maneuvering for each meteorological and hydrographic condition, using the vessel voyage data that has been classified; extracting a plurality of vessel maneuvering patterns from the characteristic distribution of vessel maneuvering that has been calculated for each meteorological and hydrographic condition, and aggregating the vessel voyage data for each of the vessel maneuvering patterns; and generating a learning model for each of the vessel maneuvering patterns from the vessel voyage data aggregated for each of the vessel maneuvering patterns, using meteorological and hydrographic actual data as an explanatory variable and vessel performance as an objective variable.

Abstract: A non-transitory computer-readable recording medium has stored therein a program that causes a computer to execute a process, the process comprising: acquiring a first model that is created using a plurality of pieces of training data and outputs a first estimation result estimated with respect to first input data and a second model that is created based on a physical law or human knowledge and outputs a second estimation result estimated with respect to second input data; identifying, by comparing the first model and the second model with each other, a missing class that is not included in classes of the second input data among classes of the first input data; extending the second model with a correction term for input of input data of the missing class; and generating a composite model in which the extended second model and the first model are fused together.

Abstract: A moving means display method includes: selecting, based on first position information that indicates a position of a user and second position information that indicates positions of one or more respective vehicles, one or more vehicles located within a predetermined range; selecting, based on the first position information and third position information that indicates positions of one or more respective drivers, one or more drivers located within a predetermined range; and displaying two types of services from among a service in which one of the selected one or more vehicles is lent to the user, a service in which one of the selected one or more drivers drives a vehicle of the user as a substitute driver, and a service in which one of the selected one or more drivers drives a vehicle other than the vehicle of the user to transport the user.

Abstract: An information acquisition method causes a computer to execute processing of: in a case of receiving failure occurrence information that is information transmitted from a sensor information acquisition device that acquires sensor information regarding a vehicle and is information indicating occurrence of a failure in a specific vehicle, transmitting a request signal requesting transmission of related information related to the failure of the specific vehicle to the sensor information acquisition device different from the sensor information acquisition device that has transmitted the failure occurrence information; and acquiring each piece of the related information transmitted from the sensor information acquisition device that has received the request signal.

Abstract: An action selection learning device includes a memory; and a processor coupled to the memory and configured to generate a reference model that is a set of model parameter vectors that indicate an influence level of each factor that influences selection of an action alternative, calculate a selection probability for each action alternative, for each of the model parameter vectors, calculate a model parameter vector for each user using a subset of model parameter vectors extracted from the reference model, based on the selection probability for each action alternative and a selection history of the action alternative by each user, generate the action alternatives based on the model parameter vector for each user, and transmit the generated action alternatives to a terminal device.

Abstract: A content transfer system which includes a content transfer apparatus and a terminal is provided. The content transfer apparatus includes: a processor configured to generate a connection signal containing connection information for connecting to the content transfer apparatus via a communication network, and output the connection signal via a connection information output unit; create a list of content associated with a display area displayed on the display unit; and transfer at least one piece of content selected from among the content registered in the list to the terminal when a content transfer request signal is received from the terminal. On the other hand, the terminal includes: a processor configured to recover the connection information from the connection signal; and transmit the content transfer request signal to the content transfer apparatus via the communication network in accordance with the connection information.

Abstract: A people flow simulation apparatus includes a memory configured to store incentive information and effect characteristic information in association with a plurality of person models, the incentive information indicating incentive provided for each of the plurality of person models, the effect characteristic information indicating each of characteristics of effects that the incentive has on each of the plurality of persons models, and a processor coupled to the memory and the processor configured to calculate probabilities with which a first person model goes to each of a plurality of places on the basis of first incentive information and first effect characteristic information associated with the first person model included in the plurality of person models, and select, from among the plurality of places, a first place as a destination to which the first person model goes in accordance with the calculated probabilities.

Abstract: An operation management method performed by a computer, the method including: acquiring requests from a plurality of users for boarding and alighting including a departure location and a destination; associating each request with a vehicle corresponding to the departure location and the destination; setting, for each of the requests, a boarding/alighting point within a predetermined range including the departure location and within a predetermined range including the destination, respectively; generating a plurality of paths that pass through the boarding/alighting points; and selecting an operation path of the vehicle from the plurality of paths.

Abstract: An action option presentation apparatus includes a memory, a processor coupled to the memory and configured to extract one or more action options based on route information from a departure location to a destination location that is extracted from departure location information and destination location information, and also based on information indicating one or more places at which to drop in during a period of time before travel starts in accordance with the route information.

Abstract: A position information adding apparatus includes: a reference position setting unit which sets a plurality of reference positions for each of a plurality of pictures contained in digitalized video data; a region setting unit which sets a first position information adding region at a first position defined based on at least any of the plurality of reference positions and a second position information adding region at a second position different from the first position, for each of the plurality of pictures; and a position information embedding unit which embeds a first moving pattern which moves on the pictures in a first temporal period into the first position information adding region and a second moving pattern which moves on the pictures in a second temporal period into the second position information adding region.

Abstract: A position information adding apparatus includes: a reference position setting unit which sets a plurality of reference positions for each of a plurality of pictures contained in digitalized video data; a region setting unit which sets a first position information adding region at a first position defined based on at least any of the plurality of reference positions and a second position information adding region at a second position different from the first position, for each of the plurality of pictures; and a position information embedding unit which embeds a first moving pattern which moves on the pictures in a first temporal period into the first position information adding region and a second moving pattern which moves on the pictures in a second temporal period into the second position information adding region.

Abstract: When plural users, including users with different disembarkation points, are using, by ride-sharing, a vehicle of a passenger transportation service that determines a fare according to at least one of usage distance or usage time, a payment amount of a passenger disembarking at a disembarkation point at which a user disembarks is calculated, based on a number of disembarking passengers at the disembarkation point, a number of passengers before disembarkation at the disembarkation point, a balance of the fare to the disembarkation point minus a paid or collected payment amount, and a compensation rate for a subsequently disembarking user.

Abstract: A position information adding apparatus includes: a reference position setting unit which sets a plurality of reference positions for each of a plurality of pictures contained in digitalized video data; a region setting unit which sets a first position information adding region at a first position defined based on at least any of the plurality of reference positions and a second position information adding region at a second position different from the first position, for each of the plurality of pictures; and a position information embedding unit which embeds a first moving pattern which moves on the pictures in a first temporal period into the first position information adding region and a second moving pattern which moves on the pictures in a second temporal period into the second position information adding region.

Abstract: A content transfer system which includes a content transfer apparatus and a terminal is provided. The content transfer apparatus includes: a processor configured to generate a connection signal containing connection information for connecting to the content transfer apparatus via a communication network, and output the connection signal via a connection information output unit; create a list of content associated with a display area displayed on the display unit; and transfer at least one piece of content selected from among the content registered in the list to the terminal when a content transfer request signal is received from the terminal. On the other hand, the terminal includes: a processor configured to recover the connection information from the connection signal; and transmit the content transfer request signal to the content transfer apparatus via the communication network in accordance with the connection information.

Abstract: A video image feature generation system includes a processor; and a memory which stores a plurality of instructions, which when executed by the processor, cause the processor to execute, extracting a frame feature value featuring a frame, which is a unit of an input video image, based on a pixel value of the frame; and generating a phase of each frequency as a video image feature based on at least two frequencies, the frame feature value obtained in the extracting, and generation information for generating phases of the frequencies according to the frequencies and the frame feature value.

Abstract: An image processor includes an image degradation measuring unit configured to compute a degradation level of block data with respect to each of blocks within an image, a degradation determining unit configured to select, with respect to each of the blocks within the image, the block data of a target block of one of a plurality of the images based on degradation levels of respective block data of the target blocks of the plurality of the images, and an image synthesis unit configured to generate a sheet of an image by synthesizing the block data selected with respect to the blocks within the image.

Abstract: A digital-watermark embedding device includes a content obtaining unit that obtains content; a watermark-information obtaining unit that obtains digital-watermark information; a generating unit that generates a synchronization flag on a basis of the digital-watermark information; and an embedding unit that embeds the digital-watermark information and the synchronization flag into the content.

Abstract: An image encryption system includes an encrypter configured to generate an encrypted image including an encrypted area by encrypting a partial area of an input image; an identification information generator configured to generate identification information for identifying the encrypted area based on an image of the encrypted area; and a registration unit configured to register the identification information and a decryption key for decrypting the encrypted area by making an association between the identification information and the decryption key.