Abstract: An object of the present disclosure is to enable behavior of a linear structure in water to be estimated. The present disclosure is an apparatus that: expresses at least one parameter in a plurality of discrete values, and forecasts behavior of a linear structure by using each of the discrete values; acquires behavior of the linear structure detected using an optical fiber; calculates a likelihood between the forecasted behavior of the linear structure and the acquired behavior of the linear structure; updates at least one of the plurality of discrete values on the basis of the likelihood; and calculates behavior of the linear structure by using the updated plurality of discrete values.

Abstract: An object is to provide a shape measurement system and a shape measurement method that allow deriving a three-dimensional shape of a linear object to be measured over a long distance and with high resolution.

Abstract: The present technology relates to a transmission device, a reception device, a transmission system, and a transmission method capable of improving transmission efficiency of subdata added to main data. A transmission device includes a frame sequence number setting unit that, on the basis of a frame number indicating an order of a subframe in a main frame, assigns to the subframe a frame sequence number indicating an order of the subframe in a frame sequence including a plurality of the subframes, and a multiplexing unit that arranges a data packet at a predetermined position in the subframe on the basis of the frame sequence number. The present technology can be applied to a CCU, for example.

Abstract: The present technology relates to a transmission device, a reception device, a transmission system, and a transmission method capable of improving transmission efficiency of subdata added to main data. A transmission device includes a frame sequence number setting unit that, on the basis of a frame number indicating an order of a subframe in a main frame, assigns to the subframe a frame sequence number indicating an order of the subframe in a frame sequence including a plurality of the subframes, and a multiplexing unit that arranges a data packet at a predetermined position in the subframe on the basis of the frame sequence number. The present technology can be applied to a CCU, for example.

Abstract: There is provided an information processing device including an adjustment unit that adjusts respective lengths of delay times, which delay data transmission, for a plurality of different delay elements regarding the data transmission, so as to match with the longest delay time of the plurality of delay times or a predetermined time equal to or more than the longest delay time, and a setting unit that sets the respective plurality of delay times of which the lengths are adjusted by the adjustment unit in a processing unit which performs a process for the data transmission.

Abstract: A camera system includes: a camera device which outputs a picked-up image signal in synchronization with an input synchronization signal; a camera controller which is input with the image signal of the camera device; and a relay device which is connected between the camera device and the camera controller and relays the image signal to be transmitted from the camera device to the camera controller, wherein the relay device transmits at least an externally input synchronization signal to the camera device and outputs the image signal to the camera device in synchronization with the externally input synchronization signal.

Abstract: A system and method for adjusting one or more signal delays. The signal delays are adjusted by obtaining delay amounts of video signals associated with respective camera units and respective camera control units, the camera units being coupled to respective ones of the camera control units via an asynchronous network, and adjusting one or more of the delay amounts.

Abstract: A transmitting device in accordance with the present invention includes an encoding unit that converts an input video signal into encoded data and sends out the encoded data to a transmission line, and a synchronization signal generation unit that generates a synchronization signal SYNC for adjusting the phase of an input video signal on the basis of phase information transmitted through the transmission line, wherein the phase information PHS includes information indicating that a timing of a synchronization signal generated by the synchronization signal generation unit is to be advanced by the time necessary for transmission, and the synchronization signal generation unit generates the synchronization signal SYNC so that an input video signal is advanced by the time necessary for transmission.

Abstract: The present invention relates to an information processing apparatus, a method, and a program capable of suppressing deterioration of content quality. An integrated reception buffer time adjustment unit 114 obtains a maximum transmission delay time that is the longest delay time among the transmission delays of data transmission performed by each reception unit 113. The reception buffer time setting unit 208 calculates a reception buffer time using the maximum transmission delay time, a transmission delay time of the data transmission by the reception unit 113, and a prescribed reception buffer time. The reception buffer time setting unit 208 sets various delay times and waiting times such as a variable compression encoding delay time, a redundant encoding block reception waiting time, an ARQ retransmission packet waiting time, and a network jitter handling buffer time from the reception buffer time. The present invention can be applied to an information processing apparatus, for example.

Abstract: A camera system having a plurality of camera pairs is provided. Each pair may have a camera control unit and a camera head unit respectively connected together by way of an asynchronous transmission network. The camera system may also have a central processing unit configured to obtain a video signal delay amount, representative of a time delay between a respective camera control unit and its respective camera head unit, for each of the plurality of camera pairs, and to adjust the video signal delay amount between at least one said camera control unit and its respective camera head unit to be equal to a selected video signal delay amount of another said camera control unit and its respective camera head unit.

Abstract: A delay controller includes an acquiring section that acquires synchronization timings indicating timings when a plurality of controllers, which control via a line a plurality of transmitters that transmit data, synchronously control the transmitters, a determining section that determines a reference synchronization timing serving as a reference for synchronization between the controllers, on the basis of the synchronization timings acquired by the acquiring section, and a synchronization information transmitting section that transmits synchronization information to the controllers, the synchronization information being used when the controllers receive data from each of the transmitters at the reference synchronization timing determined by the determining section.

Abstract: The present invention relates to an information processing apparatus, a method, and a program capable of suppressing deterioration of content quality. An integrated reception buffer time adjustment unit 114 obtains a maximum transmission delay time that is the longest delay time among the transmission delays of data transmission performed by each reception unit 113. The reception buffer time setting unit 208 calculates a reception buffer time using the maximum transmission delay time, a transmission delay time of the data transmission by the reception unit 113, and a prescribed reception buffer time. The reception buffer time setting unit 208 sets various delay times and waiting times such as a variable compression encoding delay time, a redundant encoding block reception waiting time, an ARQ retransmission packet waiting time, and a network jitter handling buffer time from the reception buffer time. The present invention can be applied to an information processing apparatus, for example.

Abstract: A transmission method including the steps of: dividing an input video signal into a plurality of packets which comply with a predetermined transmission standard and preferentially selecting, as a transmission path for each of the plurality of packets, a transmission channel, to which a lower frequency band is allocated, from among the plurality of transmission channels which are allocated along a frequency axis; and modulating, by using a multicarrier modulation method, the plurality of packets and transmitting the modulated packets to a receiving device along a cable through the selected transmission channel, the cable having a transmission characteristic such that attenuation of a signal to be transmitted increases with the frequency of the signal.

Abstract: A camera system having a plurality of camera pairs is provided. Each pair may have a camera control unit and a camera head unit respectively connected together by way of an asynchronous transmission network. The camera system may also have a central processing unit configured to obtain a video signal delay amount, representative of a time delay between a respective camera control unit and its respective camera head unit, for each of the plurality of camera pairs, and to adjust the video signal delay amount between at least one said camera control unit and its respective camera head unit to be equal to a selected video signal delay amount of another said camera control unit and its respective camera head unit.

Abstract: A system and method for adjusting one or more signal delays. The signal delays are adjusted by obtaining delay amounts of video signals associated with respective camera units and respective camera control units, the camera units being coupled to respective ones of the camera control units via an asynchronous network, and adjusting one or more of the delay amounts.

Abstract: There is provided an information processing device including an adjustment unit that adjusts respective lengths of delay times, which delay data transmission, for a plurality of different delay elements regarding the data transmission, so as to match with the longest delay time of the plurality of delay times or a predetermined time equal to or more than the longest delay time, and a setting unit that sets the respective plurality of delay times of which the lengths are adjusted by the adjustment unit in a processing unit which performs a process for the data transmission.

Abstract: A receiver includes a receiving section that receives communication packets transmitted from a transmitter, which transmits the communication packets each including encoded data, and an image header, sequentially from the encoded data corresponding to the beginning of an image, a first accumulating section that accumulates the encoded data and the image header included in each of the received communication packets, a detecting section that detects a picture header transmitted together with the encoded data corresponding to the beginning of the image, from the image header of each of the received communication packets, in a predetermined observation interval, a second accumulating section that accumulates the detected picture header, and a control section that reads out the picture header accumulated in the second accumulating section, and causes the picture header to be accumulated into the first accumulating section, if the picture header is not detected within the observation interval.

Abstract: A delay controller includes an acquiring section that acquires synchronization timings indicating timings when a plurality of controllers, which control via a line a plurality of transmitters that transmit data, synchronously control the transmitters, a determining section that determines a reference synchronization timing serving as a reference for synchronization between the controllers, on the basis of the synchronization timings acquired by the acquiring section, and a synchronization information transmitting section that transmits synchronization information to the controllers, the synchronization information being used when the controllers receive data from each of the transmitters at the reference synchronization timing determined by the determining section.

Abstract: A camera system includes: a camera device which outputs a picked-up image signal in synchronization with an input synchronization signal; a camera controller which is input with the image signal of the camera device; and a relay device which is connected between the camera device and the camera controller and relays the image signal to be transmitted from the camera device to the camera controller, wherein the relay device transmits at least an externally input synchronization signal to the camera device and outputs the image signal to the camera device in synchronization with the externally input synchronization signal.

Abstract: A digital signal transmission apparatus that transmits a digital signal to another apparatus via a coaxial cable connected therebetween includes a signal divider configured to divide a digital signal to be transmitted into a plurality of signal groups; a plurality of modulators configured to modulate each of the plurality of signal groups obtained by the signal divider by using an orthogonal frequency division multiplexing method; a plurality of frequency shifters configured to shift each of the frequency bands of a plurality of modulation signals generated by the plurality of modulators from a baseband to a mutually different frequency band; and a signal sender configured to combine a plurality of modulation signals whose frequency bands are shifted by the plurality of frequency shifters and to transmit the signals to the coaxial cable.