Abstract: A terminal device including a controller configured to display a video on a display in accordance with a display range, the video being configured such that its display range to be displayed on the display within a corresponding one of image frames constituting the video is variable depending on each playback position of the video, accept an instruction to indicate a specified display range that is a partial display range within a corresponding one of image frames constituting the video displayed on the display, and acquire particular display range information indicating a particular display range that is within a predetermined distance from the specified display range within an image frame corresponding to a playback position at a moment when the instruction is accepted, from a storage device storing a plurality of pieces of display range information indicating display ranges to be displayed within respective image frames corresponding to playback positions.

Abstract: A terminal device including a display, and a controller configured to display a first video in a main view of the display in accordance with a first display range, the first video being configured such that a display range thereof to be displayed on the display within a corresponding one of image frames constituting the first video is variable depending on each playback position of the video, acquire, from a predetermined storage device, display range information indicating a second display range of a second video, as a candidate to be displayed in the main view, the second video corresponding to a video identical to the first video displayed in the main view, and display the second video in a sub view of the display in accordance with the second display range indicated by the acquired display range information, within a corresponding one of image frames constituting the second video.

Abstract: A terminal device including a controller configured to display a video on a display in accordance with a display range, the video being configured such that its display range to be displayed on the display within a corresponding one of image frames constituting the video is variable depending on each playback position of the video, accept an instruction to indicate a specified display range that is a partial display range within a corresponding one of image frames constituting the video displayed on the display, and acquire particular display range information indicating a particular display range that is within a predetermined distance from the specified display range within an image frame corresponding to a playback position at a moment when the instruction is accepted, from a storage device storing a plurality of pieces of display range information indicating display ranges to be displayed within respective image frames corresponding to playback positions.

Abstract: An information processing device including a controller configured to determine a display frequency for each region including one or more pixels in an image frame at each playback position of a video, based on a display range indicated by each of a plurality of pieces of display range information stored in a storage device, each of the plurality of pieces of display range information indicating the display range to be displayed on a display within a corresponding one of image frames constituting the video at a specific playback position of the video, the display range being variable depending on each playback position of the video, and determine, for each playback position of the video, particular display range information to be provided to a terminal device, the particular display range information indicating a display range including one or more regions having highest display frequencies among the determined display frequencies.

Abstract: There are provided a communication system, a terminal device, a registration method, and a program capable of sharing pseudo camera works performed by the other users without editing uploaded video data itself. The terminal device displays video data acquired from a server device and generates edit data representing a display range designated as a range to be displayed in a plurality of image frames configuring the video data. Then, the terminal device registers the generated edit data in the server device in association with the video data.

Abstract: There are provided a communication system, a terminal device, a video display method, and a program, capable of flexibly displaying an image having a low resolution and an image having a high resolution based on the degree of margin of the network bandwidth or the performance of the terminal. The terminal device determines at least one piece of divided image data that is an acquisition target among a plurality of pieces of the divided image data configuring video data having a high resolution according to at least one of a degree of margin of a network bandwidth and performance of the terminal device. Then, the terminal device displays the determined divided image data at least in a part of an image frame configuring video data of a low resolution.

Abstract: An information communication system comprising a plurality of node devices connected to a network, in which data to be distributed and stored in the plurality of node devices, and the data is divided into a plurality of items of division data, and the other node device acquires the division data from the node device storing the division data. The node device comprises a controlling unit configured to permit the node device indicated by a second identification information contained in the request information to acquire the division data indicated by a first identification information contained in the request information, in early order of the time when the request information is received based on the time information stored in the second storing unit.

Abstract: A node apparatus of an information communication system in which a content is distributed and stored by an overlay network configured by a plurality of node apparatuses and which has a center server that manages the content to be submitted to the overlay network, the node apparatus includes: a first creation unit configured to create meta-information that is used in submitting the content to the overlay network; a transmission unit configured to transmit the meta-information created by the first creation unit to the center server; a first reception unit configured to receive the meta-information and an electronic signature verifying the meta-information, which is determined to be proper by the center server, from the center server, and a permission unit configured to permit the meta-information received by the first reception unit to be acquired on the overlay network.

Abstract: A first information processing device configures an information communication system for communicating information through a plurality of overlay networks comprising a plurality of node devices connected to a network, the first information processing device that comprises an acquisition unit configured to acquire range information indicative of a range of the network of the request node device, a generation unit configured to generate identification information indicative of identifying a group to which the request node has transmitted the request message is belonged, based on the range information, and a control unit configured to control the request node device to join-in the overlay network corresponding to the range information.

Abstract: A node device in an information communicating system: determines whether or not the node device is communicable over the IPv4; determines whether or not the node device is communicable over the IPv6; acquires a first routing table that is generated using a first node device communicable over the IPv4 from a predetermined device that is connected to a network if communication is possible over the IPv4; and acquires a second routing table that is generated using a second node device communicable over the IPv6 from the predetermined device that is connected to the network if communication is possible over the IPv6. If the controller determines that communication is possible over the IPv4 and the controller determines that communication is possible over the IPv6, the controller acquires one of the first one of the first routing table and the second routing table according to a priority order.

Abstract: In a content distributed-storage system in which divided content data obtained by dividing content data of a single unit having a plurality of pieces of frame image data into a plurality of pieces is stored so as to be distributed to a plurality of node devices, unique identification information is assigned to each of the divided content data, each of the node devices can obtain the divided content data on the basis of the identification information. In the system, content catalog information having the identification information of at least one piece of the divided content data and key frame information including information indicative of an offset position of the frame image data in each of the divided content data, is stored. An instruction related to playback of the content data from the user is received.

Abstract: A node is provided in an information distribution system having a plurality of nodes capable of performing communication with each other via a network and in which at least one piece of distribution information is copied and stored into a plurality of nodes, the node managing node information indicative of a node that stores the copied distribution information. The node includes: node information storing means for storing the node information; dividing determining means, when amount of the stored node information becomes equal to or larger than a predetermined reference amount, for determining that a part of the node information is divided and managed by a new node; and, node information deleting means for deleting the node information managed by the new node from the node information storing means.

Abstract: A node apparatus acquires root link information including a serial number of root page information, information for checking the root page information for tampering, and a digital signature for checking the root link information for tampering from a management apparatus or another node apparatus that stores the root link information through a network and determines a range of page information assigned to each node apparatus according to predetermined rules. The node apparatus determines whether page information that is a child of the root page information indicated by the acquired root link information is within the assigned range. If so, the node apparatus acquires the child page information and pieces of page information linked together from the child to leaf page information from the management apparatus or another node apparatus as page information assigned to the node apparatus and stores the acquired page information in a storage area.

Abstract: The present invention is to provide an information communication system with its communication load of the communication network as a whole reduced.

Abstract: An information communication system has features that efficient transmission of information to plural node devices can be carried out without a managing server, etc. and efficient collection of responses from the node devices can be carried out while suppressing loads imposed on a network. The information communication system has a means for receiving an information collection message from other node devices to the group, a means for transmitting an information collection message to one of the node devices in each of the groups when the group is further divided into plural groups, a means for receiving reply messages including response information, a means for generating new response information based on the response information in the reply message and its own response information, and a means for sending reply messages including the new response information to the other node devices.

Abstract: A node device in an overlay network formed by a plurality of node devices comprises: a memory unit that memorizes a plurality of routing tables where a plurality of node identification information are registered, the node identification information is indicative of identifying the node device from other node devices; and a searching unit that searches the node device as a destination of a message transmission by referring to the routing tables. The node device also comprises a transmitting unit that transmits the message to the node device searched by the searching unit. An amount of the node identification information which can be registered in the routing table to be first referred to by the searching unit is more than an amount of the node identification information which can be registered in the routing table other than the routing table to be first referred.

Abstract: An information creating apparatus creates a leaf page information including one or more records with a key information to be compared with a retrieval key information inputted for retrieval of a record. The apparatus creates, based on the key information of the record included in the leaf page information, a judgment information used to judge a possibility that the leaf page information located in a position of child of the node page information located between the root and leaf page informations, and in lower positions than it, includes the record to be retrieved with the retrieval key information, and creates the node page information including the judgment information. The apparatus creates the root page information including the judgment information included in the node page information located in the positions of the child of the root page information, and stores the root, node and leaf page informations in a tree structure.

Abstract: A node device in an information communicating system: determines whether or not the node device is communicable over the IPv4; determines whether or not the node device is communicable over the IPv6; acquires a first routing table that is generated using a first node device communicable over the IPv4 from a predetermined device that is connected to a network if communication is possible over the IPv4; and acquires a second routing table that is generated using a second node device communicable over the IPv6 from the predetermined device that is connected to the network if communication is possible over the IPv6. If the controller determines that communication is possible over the IPv4 and the controller determines that communication is possible over the IPv6, the controller acquires one of the first one of the first routing table and the second routing table according to a priority order.

Abstract: A terminal device includes: a time information receiving unit which receives measured time and an estimated error of another terminal device; an estimated error calculating unit which calculates an error containing the estimated error of another terminal device received by the time information receiving unit as an updating-use estimated error; and a time updating unit which, when the updating-use estimated error calculated by the estimated error calculating unit is smaller than an estimated error stored in an estimated error memory unit, stores the updating-use estimated error calculated by the estimated error calculating unit in the estimated error memory unit thus updating the estimated error stored in the estimated error memory unit, and adjusts a measured time measured by a time measuring unit in response to the measured time of another terminal device received by the time information receiving unit.

Abstract: When acquisition processing of content information starts, a terminal apparatus executes acquisition permission determination processing of content information where permission probability is increased along with a lapse of time from starting of the acquisition processing of the content information for every predetermined period. When a result of the determination processing allows the acquisition of the content information, the terminal apparatus acquires the content information from another terminal apparatus.