3753 results about "Video streaming" patented technology

An access/edge network node (300) according to the invention includes a single proxy function (301) to terminate on the subscriber side a single requesting protocol for a plurality of streaming video services.

A peer-to-peer platform makes use of a streaming agent running at each peer. The streaming agent causes a peer to receive chunks of content from different neighboring peers, store some of the chunks in a local cache, and distribute those cached chunks to neighboring peers. Delivering next generation broadcasts (e.g., as streams of live audio and digital media) of any size utilizing the Internet is achieved. Users can view a live or prerecorded stream of a broadcast through an integrated media player, or can replay a broadcast through an integrated, intelligent archiving service. Use of the platform reduces bandwidth demands on live streaming and archiving services to a level where it is sustainable within a profitable business model to offer the services for at most a negligible fee.

An autonomous computer based method and system is described for personalized production of videos such as team sport videos such as basketball videos from multi-sensored data under limited display resolution. Embodiments of the present invention relate to the selection of a view to display from among the multiple video streams captured by the camera network. Technical solutions are provided to provide perceptual comfort as well as an efficient integration of contextual information, which is implemented, for example, by smoothing generated viewpoint/camera sequences to alleviate flickering visual artefacts and discontinuous story-telling artefacts. A design and implementation of the viewpoint selection process is disclosed that has been verified by experiments, which shows that the method and system of the present invention efficiently distribute the processing load across cameras, and effectively selects viewpoints that cover the team action at hand while avoiding major perceptual artefacts.

A method and apparatus for generating and sending video emails containing video and graphics, and optionally text, animation, sound, attachments and links. The graphics are produced as a skin on the computer screen and the video plays in a defined location on the computer screen within, preferably, or without the skin. An intelligent video streaming server stores the video emails and sends them when instructed.

A method and apparatus for dynamic quality adjustment based on changing streaming constraints is provided. According to one aspect of the present invention, a video stream is sent to a client according to a set of streaming constraints. At least a subset of the video information in the video stream is sent from a first source. Next, a signal is received indicating a relaxation of streaming constraints corresponding to the video stream. In one embodiment, the signal is a freeze frame signal. In another embodiment, the signal is a slow motion signal. In response to the signal, a set of improved quality video information from a second source is accessed and sent to the client. According to one embodiment, the set of improved quality video information comprises a still image. According to another embodiment, the set of improved quality video information comprises a set of preprocessed video information ready to be streamed. As a result of the techniques described herein, an improved quality visual image is available for presentation on the client and, consequently, when a viewer requests a presentation rate that reduces the streaming constraints on a video streaming service, the improved quality video information may be sent using the freed-up portion of the bandwidth previously allocated to the client.

Methods for fast generating spatially reduced-size images directly from compressed video streams supporting the coding of interlaced frames through transform coding and motion compensation. A sequence of reduced-size images are rapidly generated from compressed video streams by efficiently combining the steps of inverse transform, down-sampling and construction of each field image. The construction of reduced-size field images also allows the efficient motion compensation. The fast generation of reduced-size images is applicable to a variety of low-cost applications such as video browsing, video summary, fast thumbnail playback and video indexing.

A mobile application development platform comprises a toolset configured to streamline the development process for mobile applications. The streamline development process can enable efficiencies for the development of applications such as video streaming and uploading as well as image delivery and uploading. The development platform provides multi-language support. The development platform also provides project management integration. The development platform also provides deployment technology for distributing content across multiple mobile device platforms.

Video encoding and decoding methods and systems for video streaming are provided. The video encoding method includes encoding first resolution frames using scalable video coding, upsampling the first resolution frames to a second resolution, and encoding second resolution frames using scalable video coding with reference to upsampled versions of the first resolution frames.

A personnel accountability and situational awareness monitoring communications system for emergency personnel that comprises wireless network-adaptable monitoring devices, peripherals and base station console software for telemetry monitoring of real-time information at a plurality of personnel accountability and situational awareness parameters of critical data about the safety, health and whereabouts of first responders deployed in typically hazardous environments. Exterior incident command, including fire, rescue, safety and other emergency agencies achieve real-time command view and control over a variety of personnel accountability and safety parameters during emergency response activities of personnel wearing the system of the present invention portable device while operating within the wireless network of an emergency incident scene. Configured to be carried by emergency services personnel while deployed on scene, the portable device is a multi-functional sensing and communicating integration of accountability and situational awareness technologies consolidated into one portable, telemetry device. The portable device's multifunctional integrated technology includes the monitoring, telemetry and alert notification of accountability identification, location, assignment notification, vital signs, ambient vicinity temperature, SCBA status, combustible gas sensing, video streaming, “evacuation” recall signaling, signal tracking and multi-alarm signaling if the wearer has either low remaining air pressure/time, impending thermal breakthrough, low battery power, exceeds the safety threshold for safe heart rate or external body temperature readings, or becomes motionless for a predetermined time period.

The invention discloses a method for forming a panoramic video based on multi-view video streaming, which comprises the following steps: 1) using a plurality of cameras to capture video with an omnidirectional coverage at different viewing angles; 2) establishing one-to-one correspondence of synchronous frames in each video streaming; 3) correcting each video streaming independently by the camera's calibration; 4) panoramically joining a group of the synchronous video frames and calculating the joint parameter of each frame; 5) applying the jointed parameter to the joint of each frame in each video streaming to obtain a panoramic video formed by the panoramic frames. Compared with the prior method that uses a concave lens or a convex lens to focus lights and then reduce into a panoramic video, the invention has the advantages of low cost, no picture distortion, and suitability for the shooting during movement.

Recorded on the recording medium (BD-ROM) is an AV stream that is obtained by multiplexing a video stream and one or more audio streams. MOVIE objects are scenarios showing playback procedures of video data described using playback device-oriented commands. In addition to the MOVIE objects, enhanced-mode scenarios (Java and WebPage objects) are also recorded on the recording medium. These enhanced-mode scenarios, each of which is described in the Java language or a markup language, show control procedures with respect to playback devices. The Java and WebPage objects are capable of taking over register setting values set by MOVIE objects, and extracting parts of video data played by MOVIE objects.

A data streaming system comprises: one or more streaming sources, one or more streaming clients, a network connecting said streaming sources and said clients, and a level of service selector able for each data stream to monitor the network, the respective streaming source and the respective streaming client to control streaming to the respective streaming client to define a level of service of the data stream. For a video stream the level of service may define the frame rate, the resolution, the overall quality or a level of masking used.

On a BD-ROM, there is recorded is a digital stream into which video and audio streams are multiplexed. The video stream is composed of a plurality of pictures that together represent video. The graphics stream includes a PES packet storing state control information (ICS) and PES packets containing graphics data (ODSs). The graphics data constructs an interactive display. The state control information defines the control so as to change the states of buttons presented on the interactive display according to the reproduction proceeding and user operations. The ICS is attached with a PTS showing the display timing of a picture to be synchronized with the interactive display. The ODS is attached with a PTS showing the timing for decoding the graphics data. The timing shown in the ODS is prior to the display timing.

Directing a video player to a video source is disclosed. An indication that a client requires video streaming instructions is received. A past download performance for a plurality of clients that or correlated to the client requiring video streaming instructions is determined. At least one of: a content source, and a bitrate, is selected, based at least in part on the determined past download performance of the plurality of correlated clients. The client is provided with instructions based at least in part on the selection.

A system and method for enabling on-line purchasers to customize and personalize their purchasing options by prompting the customer to indicate customer preferences regarding merchandise and services to be purchased on-line. The system and method use intelligent process and rule-driven inquiry-databases, intelligent product databases, artificial intelligence rules, data comparison algorithms, animation software, graphics and video input and output hardware and software and/or video streaming to (1) guide consumers in specifying customer preferences, (2) make purchasing recommendations to consumers, (3) narrow selections of merchandise or services, (4) determine the fit of merchandise, (5) configure and optimize various options of subsystems into a complete system, (6) layout, compose and/or animate merchandise or models wearing merchandise, and (7) display the fitted system of multiple items with the recommended and/or selected settings.

The present disclosure includes methods and systems for streaming high-performance virtual reality video using adaptive rate allocation. In particular, an adaptive rate allocation system partitions a panorama video into segments or tiles and assigns priorities to each tile or segment based on input (e.g., a viewport of field-of-view) from a user client device. Further, the adaptive rate allocation system streams each tile or segment to the user client device according to the adaptive rate allocation, which maximizes bandwidth efficiency and video quality. In this manner, the adaptive rate allocation system delivers higher quality content to regions in the panorama video where a user is currently looking/most likely to look.

A method for generating a trick replay video stream, including the steps of: selecting from stored data adapted for transmission as a streamed movie a sequence of Intracoded frames (I-frames), and inserting one or more difference frames between consecutive I-frames of the sequence to form the trick replay video stream. Each of the difference frames is constructed to have a zero difference with respect to a preceding I-frame in the sequence. The method further includes transmitting the trick replay video stream to a decoder for display of the streamed movie at an enhanced perceived rate.

A system and method provide server side support for seamless, scalable rewind and playback of a video stream. A video stream is stored and indexed in a network storage place. A video stream can be indexed at frame level where each intra frame of the video stream has an index indicating the file offset and the time stamp of the intra frame in the video stream. A user request for rewinding of a video stream while the video stream is being broadcast is processed by extracting the rewinding time requirement from the user request. The extracted rewinding time value is used to calculate the requested file offset. The video stream starting at the requested time is retrieved and played back according to the user request. The system also provides server side support for seamless rewinding of a video stream and scalable system performance across multiple streaming data centers.

The invention provides a VR (Virtual Reality) panoramic video layout method, device and system. The method comprises the following steps: projecting a VR panoramic spherical video onto a pyramid surface which takes a sphere as an inscribed sphere; expanding the pyramid surface into a planar graph to obtain a video plane of pyramid projection; and turning the video plane to a regular shape through deformation to obtain a regular video plane. The VR panoramic video layout system comprises a VR panoramic video layout processing device, a VR panoramic video streaming media server and a VR panoramic video player, wherein the VR panoramic video player is used for playing video data from the VR panoramic video streaming media server according to a viewing angle of a user. Through adoption of the VR panoramic video layout method, device and system provided by the invention, a pyramid-based projection way is provided. In the pyramid-based projection way, the surface area of a projected video is reduced by 80 percent compared with an equirectangular projection way; the bandwidth of VR panoramic video transmission is reduced by 80 percent compared with an existing VR video technology; and a panoramic video can be played according to the viewing angle of the user.

A system for transmitting and displaying large media files uses an online streaming service to upload full-length movies and other video and audio files to a wide array of viewers. The system includes a robust, scalable, and fast upload technique that allows files of any size to be uploaded to customers' accounts by the customers. It is specifically tuned to handle hundreds of uploads per second of files which are typically several hundred mega bytes large. Increased scalability is achieved by clustering servers behind a front-end server than gives customers a relative level of distribution transparency.

The filtering tasks that are conventionally applied in a video monitoring application, to distinguish images that may be relevant to the application, are distributed to the image source, or near-source devices. Source devices, such as cameras and playback devices, and near-source devices, such as video concentrators and streaming devices, are configured to include video processing tools that can be used to pre-filter the image data to identify frames or segments of frames that include image information that is likely to be relevant to the receiving video monitoring application. In this manner, the receiving processor need not spend time and resources processing images that are pre-determined to be irrelevant to the receiving application.

The embodiment of the invention provides a video data playing method and system. The method is applied to an Internet of videos. The method comprises the steps that an Internet of videos server obtains first video streaming from Internet of videos terminals; the Internet of videos server sends the first video streaming to a protocol conversion server; the protocol conversion server converts the first video streaming into second video streaming; and the protocol conversion server sends the second video streaming to a recording and playing server located in an IP network, thereby forwarding the second video streaming to clients in the IP network for playing. According to the embodiment of the method and the system, through application of features of the Internet of videos, the security of a communication process in scenes such as an operation is greatly improved, and the Internet of videos is scheduled in the IP network, so the simplicity and convenience of an operation are greatly improved.

The invention discloses a moving target analyzing and tracking method and system based on video monitoring. The moving target analyzing and tracking method comprises the following steps of: monitoring video acquisition, acquiring video streaming recorded by a monitoring camera; performing image preprocessing: primarily processing an image of the video streaming, and acquiring a processed image; performing target recognition: performing target recognition classification on each foreground object of the processed image, wherein the classified type of targets comprises persons, vehicles and objects; performing motion track analysis: analyzing the motion track of each target according to the setting of an alarm rule, marking a target of which the motion track is matched with the alarm rule as a suspected target, and giving out an alarm; and tracking the target: tracking the suspected target, and recording the actual motion track and the actual motion direction of the suspected target. According to the method, the alarm is automatically given aiming at an abnormal event, the possibility of missing report and error report is reduced, and the workload of security monitoring personnel is lightened.

Many different types of systems are utilized or tasks are performed in a marine environment. The present invention provides various configurations of unmanned vehicles, or drones, that can be operated and/or controlled for such systems or tasks. One or more unmanned vehicles can be integrated with a dedicated marine electronic device of a marine vessel for autonomous control and operation. Additionally or alternatively, the unmanned vehicle can be manually remote operated during use in the marine environment. Such unmanned vehicles can be utilized in many different marine environment systems or tasks, including, for example, navigation, sonar, radar, search and rescue, video streaming, alert functionality, among many others. However, as contemplated by the present invention, the marine environment provides many unique challenges that may be accounted for with operation and control of an unmanned vehicle.

Described herein is a novel transcoding technique called lossless inter frame transcoding (LIFT) for improving the error resilience of video streaming. According to various embodiments, conventional coded blocks are selectively transcoded into new transcoded block. At the decoder, the transcoded block can be transcoded back to the conventional coded block when the prediction is available and can also be robustly decoded independently when the prediction is unavailable. According to another embodiment, an offline transcoding and online composing technique is provided for generating a composite frame using the transcoded and conventional coded blocks and adjusting the ratio of the transcoded blocks, thereby achieving error robustness scalability.

A broadband broadcasting system and method that leverages existing commercial-off-the-shelf technologies and service providers to deliver video streaming content to viewers worldwide. First an event is acquired or captured by a digital media broadcast service provider (DMBSP) as “raw” content that is transmitted to an ingest and operations center. The content can be edited prior to ingestion. The ingest and operations center encodes the content for subsequent distribution through a content delivery network, according to the infrastructure of the target network that will ultimately be used to reach end-viewers. Access to the encoded content is available to end-viewers, access is made available to computer-based end-viewers through an interactive and secure portal. The display presented to end viewers is divided into separate frames for main content (the event) and collateral content.

The utility model discloses an audience interaction method when broadcasting the video streaming media, comprising the following steps: A) an user interaction area is arranged on a video server for each broadcasted video program for displaying and processing the audience information of the current broadcasted video program; B) the audience can participate in the interaction process when a client end broadcasts a video program; the audience information is automatically displayed in the user interaction area corresponding to the current broadcasted program, and the user interaction area can be accessed from a player at the client end for checking and releasing the information; D) a prompt is shown in the player window if the information in the user interaction area is required for answering from the current audience. With the technical proposal, the audience can participate in the video program and share the respective information with the other audiences watching the current program for interacting so as to obviously improve the interest for watching the video program, inspire the participating enthusiasm of the audience and increase the audience rating of the video program.

The utility model discloses a creating and using method of a video streaming media bookmark. A bookmark table is created for each video streaming media file by a media player; the number of the bookmark items is not limited in the bookmark table; each bookmark item is linked to a certain segment of the video streaming media file; the bookmark here can be an independent electronic file related to a certain video program, or the bookmark can integrate a data table of the video program file; the types of the bookmark here can be divided into the system bookmark and the user bookmark; when the audience watch the video programs, the video bookmark provided by the utility model enables the audience to comment on the appreciated video program, deeply comprehend the content of the video program and mark the valuable or wonderful program segment in time; in addition, the video program if interrupted during playback can be resumed later by a book box at any time in order to keep the continuity of the play of the program without searching the last interruption area of the play manually by the audience.

The invention relates to using the properties of the mobile client terminal, preferably data processing capability and the screen size, and the capacity of the communication channel between the video streaming server and the client terminal, to determine the bit rate, frame rate and the spatial resolution that the multimedia data, preferably video, needs to be encoded with in order to provided the end user with the maximum possible subjective user satisfaction. The invention also pertains to sending the multimedia data coded with the determined parameters to the client terminal using a video transcoder and a streaming server.

For offering entertainment services by video streaming content to users, a video encoder creates the required .nsc file for each broadcast channel. This .nsc file is retrieved and stored on a server which notifies each set-top box in the field, via a multicast notifier of the availability of the new service. This notifier contains the multicast address and port to where the .nsc files are being streamed. Once the set-top box retrieves this notification, it attempts to join the dedicated multicast stream, download the .nsc files and store them locally in memory on the set-top box. When a user selects a broadcast channel from their lineup, the set-top box will access the local file to obtain the proper information about that particular ASF stream; hence, it will not have to do an HTTP retrieval.