Abstract: Methods and systems for communicating with rate control. A communication is sent and received from a first device to a second device over a network, wherein the communication comprises at least one audio stream and a second communication stream. A capacity of the network is probed at the first device for the sending and receiving the communication. A presence of a voice in the at least one audio stream is detected at the first device via a voice activity detection of the at least one audio stream. A rate limit is set for the sending and receiving the communication at the first device based on the capacity of the network and the detection of the presence of the at least one audio stream.

Abstract: A pointer information processing device includes a memory and a processor coupled to the memory. The processor executes a process including acquiring a position of a conference participant in a first image captured toward the conference participant, detecting a light-emitting point of a laser pointer, detecting a radiated point of the laser pointer, identifying the conference participant that is using the laser pointer having the light-emitting point by comparing a position of the detected light-emitting point within the first image to the acquired position of the conference participant, associating the detected light-emitting point with the detected radiated point, and recording respective position information of the detected light-emitting point and the detected radiated point associated with each other at the associating and information about the conference participant identified at the identifying in the memory in an associated manner.

Abstract: The embodiments of the present invention provide a method and device relating to multi-picture video image processing, which solve the problem in related art of the deterioration of the vision experience of the conventioneer as the characteristics of each sub-picture can not be satisfied simultaneously. Said method includes: receiving the data code stream of the sub-picture video images from several channels; equalizing the effect of said sub-picture video images with control parameters respectively according to the image characteristics of the sub-picture video images; synthesizing said equalized sub-picture video images to a multi-picture video image. This invention can uniformly adjust each sub-picture video image to the effect with the same image characteristics, which enables the sub-picture video images exhibit the same picture characteristic when be displayed.

Abstract: A user terminal has an input for receiving a video signal, and a display for displaying to a user a video image derived from the video signal. A selection input is provided for receiving from the user at least one effect for enhancing the video image derived from the video signal. The user terminal has a rendering device for rendering on the display the video image derived from the video signal enhanced by the selected effect.

Abstract: A method for reducing video crosstalk in a display-camera system includes capturing a first image of a local site while projecting an image of a remote site with a first intensity gain; capturing a second image of the local site while projecting the image with a second gain that is different from the first gain; capturing a first mixed image of the local site that includes the first image combined with the projected image having first gain and a second mixed image of the local site that includes the second image combined with the projected image having second gain; performing crosstalk reduction on the mixed images to create a reconstructed image of the local site, wherein performing crosstalk reduction of the mixed images includes determining whether a pixel value variation between the mixed images is affected by motion in the first and the second image of the local site.

Abstract: A system that incorporates teachings of the present disclosure may include, for example, obtaining images that are captured by a camera system at a location associated with a user, transmitting video content representative of the images over a network for presentation by another media processor at another location, receiving at a media processor media content and second video content representative of second images that are associated with the second user, and presenting at a display device at the location the media content and the second video content in a telepresence configuration that simulates a presence of the other user at the location, where the presentation of at least one of the media content and the second video content at the display device is delayed based on latency parameters associated with the other media processor.

Abstract: The disclosure relates to video telephony and, more particularly, to techniques for detecting a video pause in a video telephony application. In one example of the disclosure, a method for video telephony comprises detecting, at a receiving device, that video data packets associated with a video telephony call have stopped arriving from a sending device, and determining that the sending device has paused a video portion of the video telephony call based on information contained in video control packets.

Abstract: A system facilitates managing one or more devices utilized for communicating data within a telepresence session. A telepresence session can be initiated within a communication framework that includes a first user and one or more second users. In response to determining a temporary absence of the first user from the telepresence session, a recordation of the telepresence session is initialized to enable a playback of a portion or a summary of the telepresence session that the first user has missed.

Abstract: A transmitting device includes a partial-image-generator that identifies a certain region from image data, the partial-image-generator generating a certain partial image including the certain region identified from the image data, associating region information indicating the certain region with the certain partial image, and causing the region information and the certain partial image to be stored in a data-storage-unit, an image-processing-unit that executes, on the certain partial image associated with the region information and stored in the data-storage-unit, predetermined image processing associated with the region information, a difference-determining-unit that determines whether or not there is a difference between the certain partial image after the image processing and another partial image generated before a generation of the certain partial image and subjected to the image processing, and a transmitter that transmits the certain partial image subjected to the image processing by the image-processi

Abstract: A video phone call method for adjusting resolution quality and a video phone call apparatus supporting the same are provided. The video phone call apparatus includes a Radio Frequency (RF) communication unit for transmit a video phone call connection request message and for receiving a video phone call connection accept message in response to the video phone call connection request message to form a communication channel for connection of video phone call, a camera for collecting an image signal for the video phone call, an audio processor for collecting an audio signal for the video phone call, and a controller for creating a control signal for controlling the image signal and the audio signal, and for adding a collected video frame to the video phone call data to generate integral video phone call data having additional video frame data.

Abstract: While performing or initiating a transaction with a self-service video transaction device, a user may interact with a video agent and a terminal associated therewith. An error may occur during the transaction. In response to detecting the error, video agent(s) having video or audio functionalities to service the error may be identified. Servicing the error may also be based on a length of a wait time to connect to an appropriate video agent. If the wait time exceeds a predetermined threshold, an error receipt identifying the error and other information may be printed by the self-service video transaction device. If the wait time does not exceed the predetermined threshold, a display device of the self-service video transaction device may display an option for the user to connect to the video agent terminal.

Abstract: A method for tracking an active subject in a video call service includes establishing a peer-to-peer connection between a videophone input apparatus and a peer over a wireless connection; receiving information of a first resolution display of an A/V output apparatus of the peer; and generating a local video stream in the videophone apparatus based on a video signal provided by a second resolution camera of the videophone apparatus, the second resolution being greater than the first resolution.

Abstract: An image display device for displaying an image based on an image signal input from a plurality of image supply devices via a network includes a storage section storing connection information used for the image supply device being connected to the image display device via the network, an encoding section encoding the connection information to generate a connection information code which can be recognized by the image supply device, a display section displaying the connection information code and the image based on the image signal input from the image supply device, and an image control section dividing an image display area of the display section into a plurality of divisional areas, and displaying the image based on the image signal input from respective one of the image supply devices in each of the divisional areas.

Abstract: A method and a device are provided for processing a video transmitted over a communication network. The video processing may include timing playback of an image frame of the video so as to maintain a continuous playback of the video regardless of network delays and other adverse factors. An ith image frame of the video may be fetched for processing from a buffer queue. A sampling interval of the ith image frame may be calculated. Further, a waiting time and a regulated waiting time of the ith image frame may be calculated. A playing interval of the ith image frame may be determined based on the regulated waiting time. If the time elapsed since start of playback of an (i?1)th image frame of the video is not shorter than the playing interval of the ith image frame, the ith image frame may be played at the current time point.

Abstract: Two-wire multichannel video door system that comprises at least two street panels (20) with video camera (18) and home terminals, provided with an intercom, or with a monitor intercom. Characterized in that the street panels comprise the following: a digital BNFSK modulator and a digital BNFSK demodulator for transmitting audio and data to an intercom terminal, provided with a digital BNFSK modulator and a digital BNFSK demodulator; and a digital PPM modulator and a digital PPM demodulator for the transmission of audio and video to a monitor terminal, provided with a digital BNFSK modulator and a digital BNFSK demodulator and a digital PPM modulator and a digital PPM demodulator, to maintain at least two simultaneous bidirectional audio conversations between two terminals with two street panels, and to send video from the street panels to the terminals at the same time, using any type of conventional cabling.

Abstract: Techniques are presented herein to terminate output of video captured by a video camera. Detection is made whether a camera lens of a video camera has been obscured by an intentional act of a person. Video output of the video camera is terminated in response to detecting that the camera lens has been obscured. These techniques allow a user to quickly and easily terminate output of video without the need for a dedicated switch or button, or some other special procedure.

Abstract: According to one aspect, a web optimized user device is provided. The web optimized device reduces complexity and facilitates interaction with web-based services and content. The web optimized device can be configured without a hard drive, facilitating integration of web-based services into a computing experience. The web optimized device presents a user interface that integrates video chat functionality into every aspect of the computer content accessed. In particular, a display manager manages the user interface presented and integrates video chat displays and features into the content displays in a content and/or context aware manner. These displays permit a user to intuitively interact with the video chat content and features while the user changes content, for example, web-based services, web-based applications, and other media content, without interruption of or interference from the video chat content.

Abstract: Systems for controlling a presentation of data images in a video stream, comprising: at least one processor programmed to: transmit a video bit stream representing a plurality of images to a plurality of receivers using common transmission parameters; determine that a transmission link to one of the plurality of receivers is degraded; select one of the plurality of images for transmission to the one of the plurality of receivers; select degraded-link transmission parameters for transmission of the one of the plurality of images on the degraded transmission link, wherein the degraded-link transmission parameters are different from the common transmission parameters; transmit the one of the plurality of images to the one of the plurality of receivers using the degraded-link transmission parameters; and continue to transmit the video bit stream to at least one other of the plurality of receivers using the common transmission parameters.

Abstract: Scalable Web Real-Time Communication (WebRTC) media engines, and related methods, systems, and computer-readable media, are disclosed herein. In one embodiment, a method for providing a scalable WebRTC media engine comprises instantiating one or more virtual WebRTC agents, each corresponding to one or more of a plurality of WebRTC clients. The method further comprises establishing a plurality of WebRTC interactive flows, each connecting one of the one or more virtual WebRTC agents with the corresponding one or more of the plurality of WebRTC clients. The method also comprises receiving contents of the plurality of WebRTC interactive flows as input from the one or more virtual WebRTC agents, and synthesizing the contents of the plurality of WebRTC interactive flows. The method additionally comprises directing the synthesized contents as output to one of more of the plurality of WebRTC interactive flows via the corresponding one or more virtual WebRTC agents.

Abstract: A display apparatus and a control method thereof are provided The display apparatus includes: an image processor configured to process an image of content; a display configured to display the processed image of the content; a camera configured to capture an image of a remote controller; a storage configured to store information regarding a plurality of appearance states of the remote controller corresponding to user commands; and a controller configured to determine an appearance state from among the plurality of appearance states of the remote controller based on the image of remote controller captured by the camera, and control the display section to display the image of the content according to a user command corresponding to the determined appearance state of the remote controller.

Abstract: A device may generate a media stream to be shared with other users by building a media graph, comprising a series of interconnected processing units that perform various processing tasks. However, the time involved in generating the media graph may delay the initialization of the media stream, and adjusting properties of the media stream (such as resolution or codec) may result in an interruption of the media stream while a new media graph is built. Instead, a media graph cache may be provided to cache a set of media graphs, which may be interchangeably selected for rapid initialization and adjusting of media stream properties. The media component (e.g., a video camera) may also be configured to promote rapid adjustments to some media stream properties, while maintaining other properties (e.g., field of view and white balance) for a smooth transition between media stream property sets.

Abstract: A method and apparatus for dynamically adjusting an aspect ratio of an image during a video call is described herein. Specifically, a method for dynamically adjusting the aspect ratio of an image during a video call may include obtaining at least one display parameter of a display device, performing a comparison of the at least one display parameter to at least one image capture parameter of a capture device, capturing an original image, modifying the original image based on the comparison performed, wherein the modified image has an adjusted aspect ratio different from an aspect ratio of the original image, and sending the modified image to the display device.

Abstract: A system and method for conducting a video call between an originating device and a terminating device by establishing a peer-to-peer (P2P) connection between the devices. The originating and terminating devices exchange candidate information through a P2P server, except that the candidate information for the terminating device is altered before arriving at the originating device. The altering includes changing the IP address and corresponding port for each candidate. The originating device uses the altered candidate information to derive new candidate pairs that are sent to the terminating device, which uses the new candidate pairs to also derive a second candidate list. If the candidate pairs match, a P2P connection is established between the devices.

Abstract: Improved methods, systems, and devices for managing communications are provided. A user device may display all ongoing communications so that a user can visualize the communications network or some subset thereof (e.g., a subgroup or group of users). A system may maintain the user device in an instant ready-on mode of communication with the other user devices. A user may then initiate communications with a subgroup (e.g., a pair) or group without initiating a new connection. Accordingly, a user can simultaneously and fluidly communicate at the subgroup level, at the group level, or at the inter-group level. Moreover, users can function as independent actors that can freely form and leave subgroups as well as groups.

Abstract: The present invention discloses a method, a system, a terminal, an MSC server, and an SCC application server for transferring a video call between access networks. The method includes: pre-negotiating, in a PS domain and through IMS signaling, a CS video call parameter; and, after a video call of a terminal is transferred from the PS domain to a CS domain, establishing a CS video call according to the pre-negotiated CS video call parameter. By using the technical solutions of the present invention, the CS video call parameter is pre-negotiated before the video call of the terminal is transferred from the PS domain to the CS domain, and after transfer to the CS domain, the CS video call is established by directly using the pre-negotiated CS video call parameter.

Abstract: Disclosed are methods for automatically generating commands to transform a video sequence based on information regarding speaking participants derived from the audio and video signals. The audio stream is analyzed to detect individual speakers and the video is optionally analyzed to detect lip movement to determine a probability that a detected participant is speaking. Commands are then generated to transform the video stream consistent with the identified speaker.

Abstract: A video sequence control system 100 comprising: a video frame sequence component 102 for providing video frames 104 for display by a projector 108, the video frames having a sequence 110 of at least one crosstalk reduction frame 112 followed a n image frames 114; and a synchronization control component 118, the synchronization control component 118 communicatively coupled to an image capture device 120 the synchronization control component providing a timing signal 122 to synchronize image capture with the occurrence of the at least one crosstalk reduction frame in the video frame sequence.

Abstract: A bidirectional transceiver includes a media transmitter, a media receiver, a network transmitter, and a network receiver. Each of these components includes an interface to a respective differential wire pair of a cable. By coupling a pair of such transceivers, a media stream and network connectivity can be sent over the cable in either or both directions. Using an opportunistic scheduling method, each media stream can contain audio, video, and control information in uncompressed form. Power can be transferred over the cable so that a media device containing one transceiver can be powered by a media device containing the other transceiver.

Abstract: Embodiments of the present invention disclose a method and an apparatus for obtaining a video quality parameter and an electronic device. The method includes dividing a target video segment into at least one video subsegment, where duration of every video subsegment is at least time perceivable by human eyes; obtaining a video quality parameter of the video subsegment; and processing the video quality parameter of the video subsegment, and obtaining a video quality parameter of the target video segment.

Abstract: A mobile device stores a TV application for serving as a remote control capable of controlling a TV receiver. The mobile device starts the process of starting the TV application and transmits, to the TV receiver, control signals to turn on the TV receiver before the TV application has been started. More particularly, the mobile device transmits the control signals to turn on the TV receiver while performing the process of starting the TV application. When the mobile device has started the TV application and then the TV receiver has been turned on in normal mode, a user can control the TV receiver by using the mobile device.

Abstract: Embodiments of the present invention disclose a method, terminal and system for caption transmission for telepresence, relating to the field of telepresence technologies and solving the problem that caption display on each display terminal cannot be coordinated in the prior art. Some embodiments include acquiring entire caption content and attribute information corresponding to the caption content; determining, according to the entire caption content and the attribute information corresponding to the caption content, caption content to be displayed on each display terminal and a display timing; and transmitting the determined caption content to each corresponding display terminal according to the display timing so that each display terminal superposes the determined caption content to an image.

Abstract: Embodiments of the invention are directed to systems, methods and computer program products for assisting a user to select a customer service representative of a financial institution in preparation for a customer service conference. Embodiments determine that an operative connection is being established between a user device of the user and a system associated with the financial institution, such that the user and the representative of the financial institution may conduct the conference; determine at least one representative from a pool of potential representatives, the at least one representative determined for presentation to the user for user selection; and receive user input selecting one of the at least one representatives for conference connection. Some embodiments establish an operative connection between the user device and a representative system associated with the representative over which the user and the representative can conduct an audio-visual conference.

Abstract: A terminal comprises a display substrate and an actuator configured to move the display substrate in a cyclic movement over a viewing area. A proximity sensor is configured to generate detection signals. An image controller, configured to receive the detection signal, calculates a cycle time of the cyclic movement of the display substrate and controls at least one of a transmission rate of the display data to the display substrate and the movement of the display substrate caused by the actuator.

Abstract: The present disclosure is directed to systems and methods for providing unauthenticated client access to session initiation protocol (SIP) communication services provided by an Ethernet device comprising a proxy and a conference bridge. A device installed as an Ethernet adapter receives a SIP call request from a first client, the SIP call request comprising a first uniform resource identifier (URI), the first URI comprising a SIP alias. The device determines that the first client has not been authenticated. The device identifies that the first URI comprises a SIP alias. The device proxies the SIP call request to an endpoint associated with the SIP alias, responsive to the identification of the first URI as a SIP alias.

Abstract: The present invention provides a multi-channel video communication system which includes a scalable video codec, a bit-stream truncating module, a network module and a multi-channel bit-stream truncating control module. The scalable video codec encodes a video source to generate a scalable original video bit-stream. The bit-stream truncating module is set between the scalable video codec and the network module, truncates the original video bit-stream to obtain a final video bit-stream and sends the final video bit-stream to the remote client device through the network module. The multi-channel bit-stream truncating control module is connected with the bit-stream truncating module, calculates a filter parameter for each bit-stream truncating unit in the bit-stream truncating module based on received device capabilities and network conditions of the remote client device. The present invention also provides a multi-channel video communication method in the above multi-channel video communication system.

Abstract: In the field of communication, embodiments of the present invention provide a video communication method, device and system. The technical solutions provided by the present invention include: at least two local video cameras, configured to shoot at least two channels of local video images; an apparatus for local shooting, stitching, and fusing, configured to fuse the at least two channels of local video images, generate a panoramic video image, encode the panoramic video image into a video code stream, and transmit the video code stream to a video communication site at a remote end; a local display fusing apparatus, configured to obtain at least two channels of video data by decoding a video code stream received from the remote end, fuse the at least two channels of video data, and output the fused video data to local display apparatuses for display.

Abstract: Tools and techniques for dynamically transcoding media streams are described herein. These tools may provide machine-readable storage media that contain machine-readable instructions that, when executed by the machine, cause the machine to define initial transcoding schemes under which media streams are to be transcoded as they passes between endpoints. In response to changes in conditions affecting the media streams, the machine may dynamically update the initial transcoding scheme.

Abstract: Embodiments of the present invention provide a method, system and device for conference switching, relating to communications technologies, which solve the technical problem in the prior art that the operation during conference switching is complicated and user experience is poor. The method embodiments of the present invention include: receiving, from a conference terminal, a switching request message requesting switching to a destination conference, where the switching request message includes information of the destination conference; and determining, according to the switching request message, to switch to the destination conference indicated by the information, and performing the process of switching to the destination conference. The embodiments of the present invention are mainly applicable to the field of multimedia communication technologies.

Abstract: An exemplary embodiment of the present invention provides a latency stabilization system for stabilizing the display latency between a source and a renderer over an IP network. The latency stabilization system comprises a frequency syntonization module, a frequency lock detection module, and a phase correction module. The frequency syntonization module can be configured to syntonize a frequency of a source signal from the source and a frequency of a display signal to be displayed on the renderer. The frequency lock detection module can be configured to detect whether the frequency of the source signal and the frequency of the display signal are locked. The phase correction module can be configured to, synchronize a phase of the source signal and a phase of the display signal, and generate correction data based in part on synchronization of the phase of the source signal and the phase of the display signal.

Abstract: An information processing apparatus is connected to a network. The information processing apparatus includes a first acquisition unit configured to obtain a piece of bandwidth information that indicates a bandwidth of the network to which the information processing apparatus is connected; and an operation state control unit configured to control an operation state of the information processing apparatus on the basis of a piece of first information associated with the piece of bandwidth information obtained by the first acquisition unit. The piece of first information is one of a plurality of pieces of first information each indicating a quality of an image that is able to be transmitted via the network by the information processing apparatus. The pieces of first information are stored in association with a plurality of pieces of bandwidth information in a first storage unit.

Abstract: In one example embodiment, a method for facilitating an anonymous video/multimedia communication session in a communications environment over a network is provided that includes receiving, from a first endpoint, a request for a communication session involving a second endpoint. The method also includes identifying end user data associated with both endpoints. The data associated with the first endpoint is mapped to an identity of the first endpoint. The second endpoint can be shown the identity of the first endpoint and not the end user data associated with the first endpoint. Also, the data associated with the second endpoint can be mapped to an identity of the second endpoint. The first endpoint is shown the identity of the second endpoint and not the end user data associated with the second endpoint.

Abstract: A video cross-talk estimator comprising a visual input signal receiver configured to receive a visual input signal, a capture signal receiver configured to receive a capture signal, and a signal based video-cross talk determiner configured to estimate video cross-talk based on at least two frames of the visual input signal. The estimation of the video cross-talk is signal based.

Abstract: A high-quality content generating system provided with a feature amount extracting means for extracting the feature amounts of a plurality of pieces of content therefrom, a content grouping means for performing matching between the feature amounts of the plurality of pieces of content extracted by the feature amount extracting means, grouping the same content included in the plurality of pieces of content and the derived content produced by using the same content, and calculating same/derived content grouping information, and a high-quality content generating means for selecting pieces of content to be grouped by the same/derived content grouping information from the plurality of pieces of content and generating content with higher quality by using the selected content.

Abstract: In one embodiment, a method includes identifying priority objects in a composite image created from one or more input video streams, processing the composite image, and generating a plurality of output video streams. The output video streams correspond to display screens available for viewing the output video streams and the number of output video streams is different than the number of input video streams. Processing the composite image includes positioning the priority objects to prevent placement of the priority objects at a location extending over two of the display screens. An apparatus is also disclosed.

Abstract: A videoconferencing system includes a touch screen display device and a videoconferencing unit. The display device displays video data for the videoconference and generates touch data based on user selections relative to the touch screen. The videoconferencing unit is operatively coupled to the touch screen device by a video connection and a data interface connection, for example. The unit establishes and conducts a videoconference with one or more endpoints via a network. The unit sends video data to the display device and receives touch data from the device. The received touch data is used to control operation of the videoconferencing system. The received touch data can be used to initiate a videoconference call, change an operating parameter, change orientation of a camera, initiate a picture-in-picture display, access a menu, access memory, change a source of video data, initiate a whiteboard display, and access a screen of a connected device.

Abstract: A method and apparatus for initiating videoconferences in instant messaging systems is described, including posting of a videoconference URL in the instant messaging chat window if any of the desired participants of the videoconferencing session is unavailable, so that the unavailable participants can simply click on the videoconference URL and join the videoconferencing session.

Abstract: ViSTORE is a video teleconferencing system used with networked devices and is capable of storing all or parts of video conferencing sessions on demand that can be played back at a later time. The system consists of a web portal, where all multimedia data is stored, and a software application hosted in the networked devices. The networked devices can be any wired or wireless devices such as laptops and smart phones. The system is capable of hosting multiple videoconferencing parties and each user is capable of storing any part of a given user video session. The system also can play concurrently video feeds, such as a live TV channel, or video clips, such as those of news websites. In addition, the system can display simultaneously multimedia such as photos and images. Finally, the system allows user to create and display notes and MS Office applications files.

Abstract: Disclosed is an electronic device that is connected to a display device and outputs image data to the display device, the electronic device including a resolution retrieval unit that retrieves a recommended resolution; a resolution determination unit that determines whether the recommended resolution is greater than or equal to a priority resolution; a resolution selecting unit that selects a first resolution; and a resolution changing unit that changes a resolution of the display device to be the first resolution. When the resolution determination unit determines that the retrieved recommended resolution is greater than or equal to the priority resolution, the resolution selecting unit selects the priority resolution as the first resolution. When the resolution determination unit determines that the retrieved recommended resolution is less than the priority resolution, the resolution selecting unit selects a standard resolution as the first resolution.

Abstract: The present disclosure relates to a system for distributing video conference resources among connected parties and methods thereof. In an illustrative embodiment, an ad-hoc network providing conferencing resources is presented. The network can include a master device and a number of slave devices. Each of the slave devices can present their bandwidth capabilities to the master device. End devices can be connected to the master device. When no additional connections can be made to the master device, slave devices can be used to add the end devices into the conference. The slave device can thus share its resources to the conference. In one embodiment, individual slave devices can handle different types of codecs.

Abstract: A video communication system comprising at least one video data transmission unit for sending or receiving video data over a data network is disclosed, as well as a corresponding video data transmission method. The transmission unit comprising an image acquiring circuitry or an image reconstruction circuitry for acquiring or reconstruction an image frame or image field, a video processing unit for processing at least part of the video data and a communication unit for sending or receiving at least part of the data. At least two of the image acquiring circuitry or image reconstruction circuitry, the video processing unit and the communication unit are arranged for simultaneously handling different parts of a same image frame or image same field of the video data.