108 results about "Composite video" patented technology

Three dimensional aware video compositing techniques are described. In one or more examples, subject data is produced that defines a subject depicted in frames of a subject video and viewpoint data describing movement of a viewpoint with respect to the frames of the subject video. Three-dimensional data is formed that defines a three-dimensional representation of an environment depicted in frames of an environment video. A composited video is generated by aligning the environment with the movement of the viewpoint of the subject based on the subject data and the three-dimensional data, which is then rendered, e.g., presented for display in a user interface.

In one embodiment, a method includes synchronizing, by a camera device, a clock of the camera device to a shared clock time and applying, by the camera device, one or more shared camera parameters to a camera of the camera device. The method further includes determining, by the camera device, a position of the camera device relative to at least one of one or more peer camera devices capturing video of a scene in an environment of the camera device; capturing, by the camera of the camera device, a video of the scene in the environment of the camera device; and transmitting, by the camera device, the captured video of the scene to at least one of the one or more peer camera devices to form a composite video of the scene.

This disclosure provides an AI filmmaking workflow including AI-assisted storyboarding, AI animation, and post-production processes for creating films. The workflow provides techniques for reconstructing 3D digital environments and characters, and for virtual camera control. The workflow also provides techniques for capturing 2D live-action performances and extracting visual cues. The AI animation process generates synthetic images and video using prompts that are based on virtual camera control in case of 3D digitization and / or visual cues in case of 2D camera capturing. Further, the workflow provides techniques for compositing with AI assistance, to generate a composited video based on the AI-animated video and inputs resulting from 3D digitization and / or 2D video processing. Advanced post-processing techniques are also provided for generating a complete film based on the composited video. This framework is designed to facilitate creative collaborative networks by using a hybrid digitization approach to enhance consistency, directability, and scalability in AI filmmaking.

The invention discloses a chromaticity automatic gain control method and device for a composite video signal, and belongs to the technical field of signal processing, and the method comprises the steps: obtaining a chromaticity signal adjusted by a historical chromaticity gain parameter, and demodulating the chromaticity signal from the chromaticity signal to obtain a chromaticity component reference value of a color synchronization signal; calculating an actual color synchronization level and a phase deviation between an input color subcarrier and a local color subcarrier according to the color difference component reference value; in response to the chroma phase deviation meeting a preset chroma phase locking condition, generating a chroma phase locking identifier, and calculating a chroma gain error according to the actual color synchronization level; and determining a chrominance gain control stable identifier according to the chrominance gain error, and determining an output chrominance gain parameter based on the chrominance gain control stable identifier, the chrominance phase locking identifier and the chrominance gain error so as to dynamically adjust the next line of gain through closed-loop control. According to the invention, the influence of long-distance cable transmission on the composite video chrominance signal can be reduced, and the chrominance difference of different transmission distances is reduced.

An information exchange method, an electronic device, and a storage medium are provided. The method includes: receiving composite video configuration information, wherein the composite video configuration information comprises virtual reality space information, at least one piece of virtual reality subspace information corresponding to the virtual reality space information, and video configuration information corresponding to the virtual reality subspace information; determining a target virtual reality subspace in which a user is located in a virtual reality space; and determining, based on the composite video configuration information, video configuration information corresponding to the target virtual reality subspace, and presenting video content in the target virtual reality subspace based on the determined video configuration information.

The invention belongs to the technical field of education data management, and particularly discloses an intelligent recording and broadcasting management method for education courses, which comprises the following steps of: acquiring multi-modal data in real time through a multi-sensor group, and comprehensively capturing teaching actions of teachers, limb actions of students, speech audios and running states of teaching equipment; further comparing the feature combination with a pre-stored template feature combination to identify different teaching stages; recording modes are automatically switched according to the identified teaching stage, a main and auxiliary picture polling switching rule is established, and videos recorded at different camera positions are integrated into a composite video with synchronous main and auxiliary pictures; key teaching links of teaching videos are automatically identified, index tags are established, the videos are classified and stored in combination with a preset classification rule, and accordingly video contents meeting user requirements are pushed to different users. Structured management and rapid retrieval of recorded and broadcast video content are realized, and personalized service and utilization efficiency of teaching resources are enhanced.

Methods, systems, and apparatus, including computer programs encoded on computer storage media, for compressed-domain compositing of video streams. A server obtains compressed video streams, each compressed video stream including multiple frames, each frame including a video content region that is a portion of the frame, encoded using a segment identifier for pixels included in the video content region, and encoded using a set of static symbol frequencies. The server receives, from a user device, a request for video stream content, and composites a first and a second compressed video stream to obtain a compressed-domain composite video stream including a first video content region of the first compressed video stream and a second video content region of the second compressed video stream, and provides, to the user device, a packet including a set of frames of the compressed-domain composite video stream decodable by a single decoder.

A method for efficient dynamic video rendering is described for certain implementations. The method may include identifying a file for rendering a video comprising one or more static layers and one or more dynamic layers, detecting, based on analyzing one or more fields of the file for rendering a video, the one or more static layers and the one or more dynamic layers, wherein each dynamic layer comprises a comment that indicates a variable component, rendering the one or more static layers of the file, receiving, from a user device, a request for the video that includes user information, determining, based on the user information, variable definitions designated to be inserted into a dynamic layer, rendering the one or more dynamic layers using the variable definitions, and generating a composite video for playback from the rendered one or more static layers and the rendered one or more dynamic layers.

Methods, systems, and apparatus, including computer programs encoded on computer storage media relate to a method for providing multi-point video presentations with live annotations within a communication platform. First, the system receives video feeds depicting imagery of a number of users. The system then determines a boundary about each user in the video feeds, with the boundaries each having an interior portion and an exterior portion. The system provides a media background for the exterior portions, then generates a composite video for each of the feeds. The system then determines that one or more client devices have annotation permissions, and receives one or more annotation inputs corresponding to at least one of the composite videos. Finally, the system updates at least one of the composite videos to additionally depict the annotation inputs within a third layer.

To provide an image processing apparatus configured to generate video data of mobile bodies so that the mobile bodies different in size and location can be easily compared in superimposed video data.SOLUTION: An image processing apparatus for generating synthesized video data showing superimposed different video data includes: a mobile body detection unit which detects a mobile body; a reference value calculation unit which calculates a reference value to be used when superimposing a predetermined mobile body included in one piece of video data, out of pieces of superimposed video data, on another mobile body included in the other piece of video data; a correction value calculation unit which calculates a correction value for correcting at least one piece of video data based on the reference value; and an image processing unit which generates superimposed video data formed by correcting at least one piece of video data based on the calculated correction value and superimposing the predetermined mobile body on the other mobile body.SELECTED DRAWING: Figure 10

The invention discloses a multi-channel video composite processing system and a multi-channel video composite processing method for monitoring video acquisition equipment, and relates to the technical field of video image transmission. Multi-channel video images are intelligently received, feature extraction is performed, and the original resolution of each channel of video is respectively obtained; the composite analysis subsystem is used for realizing intelligent compositing of multiple paths of videos according to the association of a preset output resolution YSfb and an original resolution, comprehensively evaluating the adaptability and distortion state of a composited picture by synthesizing an adaptation index HCzs, and improving the comprehensive control on the quality of the whole picture; the evaluation management subsystem sets an adaptation threshold value Q in advance, an adaptation index HCzs is synthesized through comparative analysis, the system can automatically obtain a level management report, and timely monitoring and management of the running state of the system are facilitated; the video processing subsystem adopts a corresponding processing scheme according to the level management report, and the image contrast is improved through an enhancement processing technology; and the video distribution subsystem performs local storage and remote transmission on the processed composite video image.

There is provided a subject emphasizing device that includes a visible-light moving image acquisition unit that acquires a moving image including a subject and a background, and a subject region extraction unit that extracts a region of the subject from the moving image. Then, a background drawing unit draws background information, in a region other than the region of the subject in the moving image. An effect application unit applies a visual effect to the region of the subject, based on an intensity of the visual effect determined by an effect intensity calculation unit according to a distance from a camera to the subject. A video compositing unit combines the region of the subject to which the visual effect has been applied by the effect application unit with the background information drawn by the background drawing unit, generating a composite video.

Systems and methods for enhancing a composite video sequence created by integrating a real-world object into a synthetic environment. An initial composite video sequence, which may contain visual inconsistencies, is received. Object appearance information, derived from an original source recording of the object, is also received to guide the enhancement process. A generative model processes the initial composite video, conditioned on both the initial composite's content and the object appearance information. This process generates an enhanced video sequence wherein the visual integration of the object into the environment is improved. Enhancements include corrections to lighting, color, contrast, and shadows, as well as generative stabilization of noisy camera motion and correction of viewpoint discrepancies. Critically, the process preserves the identity of the real-world object. A method for training the generative model is provided, utilizing a combined loss function that balances reconstruction accuracy with an identity loss to ensure robust identity preservation.

A method for providing a sign language video, performed by an electronic device, may comprise the operations of: determining analysis information for an original text; determining, on the basis of the analysis information, a first word set for generating a sign language video and a second word set for generating sub-images of the sign language video, from among words included in the original text; generating a sign language video on the basis of one or more words included in the first word set; generating sub-images of the sign language video on the basis of one or more words included in the second word set; generating a composite video including the sign language video and the sub-images; and displaying the composite video via a display of the electronic device.

A method including: accessing a first configuration; accessing a primary video stream comprising a first set of video content, from a first online video platform; accessing a secondary video stream comprising a second set of video content; and at an initial time, combining the primary video stream and the secondary video stream according to the default viewing arrangement; at a first time, detecting the first trigger event in the primary video stream; in response to detecting the first trigger event, combining the primary video stream and the secondary video stream according to the first target viewing arrangement, and publishing the first composite video to a second video platform; and at a second time, detecting the second trigger event in the secondary video stream; in response to detecting the second trigger event, combining the primary video stream and the secondary video stream according to the second target viewing arrangement.

Methods, systems, and apparatus, including computer programs encoded on computer storage media, for compressed-domain compositing of video streams. A server obtains compressed video streams, each compressed video stream including multiple frames, each frame including a video content region that is a portion of the frame, encoded using a segment identifier for pixels included in the video content region, and encoded using a set of static symbol frequencies. The server receives, from a user device, a request for video stream content, and composites a first and a second compressed video stream to obtain a compressed-domain composite video stream including a first video content region of the first compressed video stream and a second video content region of the second compressed video stream, and provides, to the user device, a packet including a set of frames of the compressed-domain composite video stream decodable by a single decoder.

A virtual background associated with a first user of a virtual meeting is identified. In response to identifying the virtual background associated with the first user, a device associated with a second user of the virtual meeting is synchronized to use the virtual background during the virtual meeting. A composite video depicting the first user or the second user overlaid on the virtual background is generated for display on a device connected to the virtual meeting.

One example method includes joining, using a computing device, a video conference hosted by a video conference provider, the video conference having a plurality of participants; accessing, by the computing device, presentation content during the video conference, the presentation content comprising one or more content items and one or more video filters, at least one of the one or more video filters corresponding to one of the content items; receiving a selection of a first item of the one or more content items; accessing a first video filter of the one or more video filters, the first video filter corresponding to the content item; receiving a video feed from a video source; generating a composite video feed comprising the first content item and the first video feed, the composite video feed based on the video filter; and providing, via the video conference provider, the composite video feed to one or more video conference participants via the video conference.

To provide a vehicle information processing device and a vehicle information processing program capable of processing information relating to a vehicle with a simple operation.SOLUTION: One aspect of the present invention is a vehicle information processing device including a control unit that combines a driving video captured while a vehicle is traveling with vehicle information acquired from the vehicle, the control unit has a function of controlling the storage of driving video in association with the shooting time, and storing vehicle information acquired using the vehicle's OBD (On Board Diagnostics) in association with the driving time, and a function of generating a composite video in which the driving video and the vehicle information are combined in a preset screen layout so that the time information of the shooting time and the driving time match each other.SELECTED DRAWING: Figure 14

This invention provides a video distribution system, a video distribution method, and a video distribution program that can suppress the delay of video displayed on the receiving end. [Solution] A video distribution system comprising multiple mobile devices mounted on a mobile vehicle carrying a crew, a user device used by a user at a location different from the mobile vehicle, and a communication network connecting the multiple mobile devices and the user device in a communicative manner, wherein video is distributed from the multiple mobile devices to the user device, each of the multiple mobile devices distributes multiple videos to the user device via an individual line, and the user device combines the multiple videos distributed from the multiple mobile devices to generate a composite video.

An embodiment of a process for providing a customized composite video feed at a client device includes receiving a background video feed from a remote server, receiving (via the communications interface) content associated with one or more user-specific characteristics, and determining one or more data elements based at least in part on the received content. The process includes generating a composite video feed customized to the one or more user-specific characteristics including by matching at least corresponding portions of the one or more data elements to corresponding portions of the background video feed, and displaying the composite video feed on a display device of the client device.

To generate a composite video in which a user and a performer are captured in a natural overlapping manner.SOLUTION: An imaging apparatus includes a camera for capturing a video of a user, a display unit, a storage unit for storing a first video and a second video, a key signal generating unit for generating a key signal from a video of the user captured by the camera, a third video generating unit for generating a third video from the captured video using the key signal of the captured video, a composite unit for generating a composite video for determining the order in which the second video and the third video are superimposed on the first video on the basis of the relationship between the depth position of the user and a reference position of the second video and superimposing the second video and the third video on the first video and composing them to generate a composite video, and a display control unit for displaying the composite video on a display unit.SELECTED DRAWING: Figure 3

A 360° video capture, processing and display system includes a 360° video camera to capture a 360° raw video file, and a 360° video processing assembly to generate a 360° equirectangular geographic projection from each frame of the 360° raw video file. A 360° video processing algorithm captures a plurality of viewport images from each of a plurality of equirectangular geographic projections. A composite video displays includes a plurality of viewport images from a corresponding one of each of the 360° equirectangular geographic projections, wherein at least one of a top or bottom composite video display comprises a seamless integration of corresponding ones of the plurality of viewport images. The 360° video capture, processing and display system generates a multi-platform compatible processed 360° video file comprising the plurality of composite video displays, wherein the multi-platform compatible processed 360° video file is viewable on a video display assembly.

A selection of a virtual background template that includes a virtual background boundary area is received at a video communication platform. The virtual background template defines at least one of a location, a shape, or a size of the virtual background boundary area. Contextual information about a planned meeting is received. Whether to activate the virtual background boundary area for the planned meeting is determined based on the contextual information. A virtual background is assigned to the virtual background boundary area when activated. Video content that depicts imagery of a first user is received. A composite video depicting the first user overlaid on the virtual background within the activated virtual background boundary area is generated for display during the planned meeting.

This invention provides a synthetic video management system, method, and program for appropriately managing the synthetic video generated by inserting an avatar and the manner in which information is output to the synthetic video. [Solution] The composite video management system includes: an insertion target video generation unit 3 that generates an insertion target video based on video material input from a video material input unit 1; a person video input unit 4 that inputs a person video that will be the basis of the avatar; an avatar generation unit 5 that generates an avatar from the person video; an avatar insertion unit 7 that inserts the generated avatar into the insertion target video; a video information generation unit 8 that generates composite video information, which is information related to the composite video; a composite video update information generation unit 9 that generates update information for the composite video information; a composite video information acquisition unit 14 that acquires composite video information from a distributed ledger where it is stored; a composite video output unit 15 that outputs a composite video with the composite video information added; an update information acquisition unit 16 that acquires update information from a distributed ledger; and an update information output unit 17 that outputs the acquired update information.

The invention belongs to the technical field of unmanned aerial vehicle digital decoding, and particularly relates to a color synchronization improvement method and system for FPV unmanned aerial vehicle digital decoding. The method comprises the following steps: receiving an analog image transmission signal of the FPV unmanned aerial vehicle to obtain a discrete digital composite video signal stream; carrying out bright-color separation on signals in the discrete digital composite video signal stream to obtain a chrominance signal, a brightness signal and a synchronization signal; according to the frame synchronization signal, comparing the chrominance signal with a standard chrominance bar signal, and carrying out cured frame phase difference compensation calibration to obtain a chrominance signal for compensating the frame phase difference; performing accumulated phase difference calculation on each line according to the line synchronization signal to obtain a chrominance signal with line phase compensation; and performing RGB image synthesis according to the chrominance signal, the brightness signal and the synchronizing signal with line phase compensation to obtain an FPV unmanned aerial vehicle shooting image with improved color synchronization. Digital decoding is utilized to realize color synchronization simply, and a complex costa phase-locked loop is not needed.

Systems and methods for superimposing the human elements of video generated by computing devices, wherein a first user device implemented as a mixed reality headset and second user device capture and transmit video to a central server which analyzes the video to identify and extract human elements, superimpose these human elements upon one another, adds in at least one augmented reality element, and then transmits the newly created superimposed video back to at least one of the user devices.

The embodiment of the invention relates to the technical field of communication, and discloses an audio and video device and a corresponding multi-device data transmission method, comprising the following steps: a master device acquires a video stream from at least one slave device so as to acquire a multi-channel video stream formed by the video stream of the master device and the video stream of the at least one slave device; splicing the multiple paths of video streams to obtain a spliced video stream; the master device obtains the audio stream from the at least one slave device so as to obtain at least one audio stream formed by the audio stream of the master device and / or the audio stream of the at least one slave device; and adding at least one audio stream to the spliced video stream to obtain a synthetic video stream to be displayed. Through establishing a joint cooperative transmission channel among a plurality of audio and video devices, the fast sharing of audio data and video data is realized, and the efficiency and quality of conference communication are greatly improved.

The present technology relates to an imaging system, a video processing method, and a program capable of suppressing occurrence of appearance. The imaging system includes a subject motion detector that performs motion capture of a subject predetermined on the basis of a captured video including the subject and distance information, and a data control unit that performs transparency processing of making the subject on the captured video invisible, and generates a composite video by compositing an avatar corresponding to the subject that performs a movement detected by the motion capture on the video obtained by the transparency processing on the captured video or compositing the avatar obtained by the transparency processing on the captured video. The present technology can be applied to the imaging system.

An electronic device provides a more realistic composite video feed for a video communication session by triggering a change to a virtual background image (VBI) that is not duplicative of a VBI being used by another participant. A processor of the electronic device receives a video stream from an image capturing device positioned to capture a user of the electronic device during the video communication session. The processor detects a virtual background setting of the VCA for the video communication session selecting a first VBI of a plurality of VBIs in a memory. In response to determining that a second composite video image received, via a communications subsystem, from a second electronic device of one or more second electronic device matches the first VBI, the processor triggers a change from the first VBI to a second VBI that is not being used by any of the second electronic device(s).