4857results about "Two-way working systems" patented technology

A method is provided by which a subscriber accesses an SDV channel using a set top terminal. The method begins when the set top terminal receives a user request to tune to a first SDV channel. An active services list is also received over an access network. The active services list includes an entry for each currently available SDV program and a time-to-live (TTL) associated therewith. Tuning information is identified for the first SDV channel from its entry in the active services list. The set top terminal tunes to the first SDV channel using the identified tuning information. The channel change information associated with the user request is locally stored in set top terminal for transmission over the access network at a later time.

In some embodiments, a computer system facilitates the update of a spatial arrangement of one or more virtual objects in a three-dimensional environment from the viewpoint of a first user of the computer system while in a real-time communication session that includes a plurality of users. In some embodiments, updating the spatial arrangement of one or more virtual objects includes collectively moving the one or more virtual objects in the three-dimensional environment relative to the viewpoint of the first user.

A computer system optionally displays a user interface object that reveals content based on whether the content is private or shared. A computer system optionally displays a user interface object that includes shared content based on whether participants have entitlement to the content. A computer system optionally displays a sharing indicator that indicates that the respective content is shared with one or more other participants.

The invention discloses a conference memory enhancement method and device for a conference tablet and a medium, and relates to the technical field of intelligent conference equipment, and the method comprises the steps: collecting multi-modal data in real time based on a preset data collection technology, and coding the multi-modal data into a space-time event stream according to the time sequence of the multi-modal data; identifying handwritten characters on the conference tablet, and extracting a key tag in a speech in combination with a pre-trained natural language processing model to construct a conference knowledge graph corresponding to the current conference; comparing the conference knowledge graph with a historical conference knowledge graph, determining conflict content, and superposing a virtual information layer on a physical interface of the conference tablet; and querying query association information corresponding to the semantic query request based on the conference knowledge graph and the time-space time stream to determine semantic contradictions, and displaying a historical conference evidence chain of the semantic contradictions based on the virtual information layer.

The present disclosure generally relates to user interfaces for multi-user communication sessions. In some examples, a device initiates a live stream in a communication session. In some examples, a device transitions between streaming live audio and live video. In some examples, a device enables synchronizing media playback during a live stream. In some examples, a device displays synchronized media playback and plays a reaction from a first participant of the communication session.

The invention provides a multi-language cross-culture communication assisting method and system based on a large model. The method comprises the following steps: receiving a source language audio stream during a call, calling a multi-language sound frequency harmonic modulation feature library to extract fundamental frequency harmonic intensity distribution and tone turning features, and generating a cultural acoustic fingerprint vector; based on the vector, controlling a microphone array phase difference, directionally enhancing a fundamental frequency harmonic component of a speaker and suppressing noise, and outputting a high signal-to-noise ratio spectrogram; analyzing the pronunciation rhythm and tone turning characteristics of the spectrogram, capturing the pitch jump and duration of the syllable boundary, and generating an acoustic culture label; associating the spectrogram with a target semantic library, matching harmonic distribution and a cultural context rule based on a large model, and outputting a cultural interpretation prompt containing an ambiguity resolution suggestion; and generating a calibration result according to the acoustic tag and the semantic prompt, and overlapping the dynamic floating subtitles to the face area of the speaker in the video conference picture. According to the invention, cultural tone ambiguity in multi-language communication is eliminated.

Systems and methods for generating online meeting summaries for videoconferencing are provided. For example, a computing device establishes a video conference for a plurality of participants. While the video conference is in progress, the computing device receives a first portion of a transcript of the video conference and generates a first meeting summary based on the first portion of the transcript. The computing device causes the first meeting summary to be presented in a user interface accessible by a client computing device associated with at least one of the plurality of participants. The computing device receives a second portion of the transcript of the video conference and generates a second meeting summary based on the first portion and the second portion of the transcript. The computing device causes the second meeting summary to be presented in the user interface.

The invention relates to the field of data processing, and provides a 5G-based video call information processing method and system, and the method comprises the steps: continuously obtaining a real-time video frame sequence and 5G network environment perception data in a video call scene, carrying out the multi-dimensional state mapping processing of the 5G network environment perception data, constructing a network transmission adaption model, and carrying out the real-time video frame sequence and 5G network environment perception data. Generating a video coding control instruction based on the network transmission adaptation model, performing content-aware coding conversion on the real-time video frame sequence, and outputting a coding optimization stream; in the transmission process of the coding optimization stream, link state fluctuation information is obtained through a 5G network feedback channel, transmission strategy dynamic calibration is performed on the coding optimization stream according to the link state fluctuation information, and a calibration transmission stream is obtained; and carrying out decoding time sequence alignment processing on the calibration transport stream, generating a visual call output sequence which is synchronous with the time of the original video stream unit, and pushing the visual call output sequence to a receiving end presentation device.

A method includes providing, for display on a first client device of a first participant of a plurality of participants of a virtual meeting, a user interface (UI) during the virtual meeting. The UI includes multiple regions each presenting a visual item corresponding to a video stream generated by a client device of a respective participant of the virtual meeting. The method includes detecting engagement of the first participant with a first visual item corresponding to a video stream generated by a second client device of a second participant of the virtual meeting. The method further includes generating one or more information items associated with the second participant. The method further includes causing the one or more information items to be presented within the UI on the first client device of the first participant during the virtual meeting.

A digital healthcare architecture including a cloud-based virtual clinic platform configured to facilitate remote therapy of one or more patients based on biometric authentication systems and methods. In an example arrangement, one or more biometric indicia of a user (e.g., a clinician and / or a patient) as well as one or more non-biometric input factors may be used in authenticating the user prior to granting access to a protected resource or application (e.g., a therapy application executing on a UE device) configured for effectuating remote programming of an implantable medical device (IMD) operative to provide therapy to the patient.

A digital agent is pre-trained to be a digital proxy for a user. Taking on the persona (e.g., personality, mannerisms, preferences, knowledge, and in some cases, a realistic visual appearance and voice of the human), the digital agent can effectively act on behalf of the human. During a virtual meeting, the pre-trained digital agent can listen to what the team has to say, ask clarifying questions, answer questions on the human's behalf, and raise points the human would want the team to consider. Since the digital agent visually resembles, sounds like, and acts like the human, the digital agent appears much like other remote participants, thereby improving the meeting experience of the other attendees and facilitating meeting productivity in the absence of a human team member.

The present disclosure generally relates to managing live communication sessions. A computer system optionally displays an option to invite the respective user to join the ongoing communication session. A computer system optionally displays one or more options to modify an appearance of an avatar representing the user of the computer system. A computer system optionally transitions a communication session from a spatial communication session to a non-spatial communication session. A computer system optionally displays information about a participant in a communication session.

The invention discloses a network optimization method based on an online conference, which relates to the technical field of real-time audio and video transmission, and comprises the following steps: in a transnational network, deploying monitoring probes at nodes participating in the online conference for monitoring network parameters such as network delay, bandwidth, packet loss rate and jitter in real time; the method comprises the following steps: processing network parameters and predicting abnormity by using a statistical analysis algorithm and a time sequence model to obtain network condition information, and then combining global network topology and using a reinforcement learning Q-Learning model and a graph neural network GNN topology prediction algorithm; according to the method, the network condition is monitored and predicted in real time, the optimal transmission path is output by using the reinforcement learning Q-Learning model and the GNN topology prediction algorithm, the bandwidth fluctuation is predicted through the LSTM, the packet loss rate is predicted based on the Bayesian network, the data transmission strategy is optimized, the network delay, the packet loss rate and the jitter are effectively reduced, and the network performance is improved. And the smoothness and the stability of the conference are improved.

Some embodiments provide a method for initiating a video conference using a first mobile device. The method presents, during an audio call through a wireless communication network with a second device, a selectable user-interface (UI) item on the first mobile device for switching from the audio call to the video conference. The method receives a selection of the selectable UI item. The method initiates the video conference without terminating the audio call. The method terminates the audio call before allowing the first and second devices to present audio and video data exchanged through the video conference.

A method includes displaying a first interface, where the first interface indicates that an operator call is currently performed with a second device, displaying a second interface of a first application when performing the operator call with the second device, receiving a user operation on the second interface, and sending first data to the second device, where the first data is used by the second device to output multimedia data related to the second interface.

The invention provides a double-stream video conference privacy tracing method based on a block chain, and the method comprises the steps: building a tracing evidence obtaining model which comprises information uplink and tracing evidence obtaining; the information uploading comprises the following steps: in a video conference process, audio and video data and related conference information are uploaded to an interstellar file system for storage and verification after being subjected to encryption and signature processing through a threshold ring signature mechanism, and key evidence is uploaded to a block chain; the intelligent contract is used for automatically managing data storage; the traceability evidence obtaining comprises the following steps: after leaked picture information is obtained, detecting a traceability identifier in a video or a picture, and comparing the traceability identifier with information stored on a chain; a secret divulging block point is automatically tracked and positioned through an intelligent contract, and the real identity of a secret divulging party is decrypted. According to the method, tampering resistance, transparency, decentration and anonymity of chain information in the traceability evidence obtaining process are achieved, and automatic evidence obtaining and traceability operation is supported.

Systems and methods for generating speaker video and audio in multiple languages for videoconferencing are provided. For example, a computing device can access a speaker speech audio signal that includes a speaker speech in a first language, a video of the speaker and a translated speech audio signal of the speaker speech in a second language. The computing device generates, based on the translated speech audio signal, a converted translated speech audio signal that includes a speech in the second language having voice characteristics in the speaker speech. The computing device further generates a lip-synched speaker video based on the video of the speaker and the converted translated speech audio signal. Lip movements in the lip-synched speaker video correspond to the converted translated speech audio signal. The converted translated speech audio signal and the lip-synched speaker video are transmitted to a video conference provider configured to host the video conference.

The invention is suitable for the technical field of intelligent equipment, and provides an intelligent conference recording method and device, intelligent equipment and a storage medium, and the method comprises the steps: collecting a video frame sequence image and an on-site audio of a conference site in real time; identifying whether a target speaking triggering posture exists in the video frame sequence image or not; determining a current spokesman and identity information of the current spokesman based on the recognized target speaking triggering posture and the conference participant information record; associating speaking content corresponding to an on-site audio collected from the moment when the target speaking triggering posture is recognized with the spokesman and the identity information thereof; and generating a conference record according to all spokesmen determined in the conference site and the speaking content associated with the identity information of the spokesmen. Conference recording can be completed accurately and efficiently, and retrieval and sharing of conference information are facilitated.

A unified virtual background image is generated for multiple participants of a video conference to create an immersive conference experience based on its use within video streams of those multiple participants. Generative artificial intelligence software associated with a conferencing system obtains input associated with a video conference. The generative artificial intelligence software generates a virtual background image based on the input. The virtual background image is then for use within multiple participant video streams during the video conference

The invention discloses irrigation area patrol equipment and method based on an augmented reality technology, and relates to the technical field of agricultural hydraulic engineering and informationization, and the equipment comprises a video collection module, a video and audio interaction module, a communication module, a central processor, a temperature and humidity sensor, a positioning module, and an AI intelligent support module. Through the function of comparing the data with theoretical data, the requirement of patrol on the professionality of patrol personnel is reduced; the invention further provides a working system of AR field perception-AI intelligent support-expert cooperative support-auxiliary operation guidance, basic information is collected and sent based on the head-mounted AR patrol equipment and transmitted to the AI intelligent support module, a theoretical value under normal operation is given through a digital twinborn irrigation area AI calculation function in the AI intelligent support module and compared with the collected information, and the theoretical value is calculated. And in addition, the method can be combined with an expert online study and judgment function, so that the discovery of real-time inspection problems and field study and judgment can be realized.

An imaging system improves image quality, such as during a videoconference, by adjusting one or more captured images based on a model of a scene, a conference participant's face or a combination thereof. The images are adjusted in response to identification of relatively poor ambient conditions for image capture. The imaging system, such as a videoconference system, is thus able to display relatively high-quality images even in relatively poor conditions for image capture.

The invention relates to the technical field of computer vision, in particular to an intelligent conference video frame dynamic coding method based on multi-modal semantic understanding, which comprises the following steps: acquiring a video stream sequence and a synchronous audio stream in a conference scene in real time; performing semantic analysis and decoupling on the video stream sequence, and extracting key frames and subsequent frames; extracting a sparse motion field from a subsequent frame, and segmenting a video frame into candidate visual areas including a face, a mouth shape and a background; extracting audio semantic features, executing cross-modal semantic correlation analysis, calculating semantic correlation between the sparse motion field distribution features and the audio semantic features, and positioning a pronunciation area highly related to the voice content; and calculating a quantization offset value of each candidate visual area according to the semantic relevancy, applying the quantization offset values in different areas, and packaging the quantization offset values into a variable-code-rate video code stream. According to the invention, the multi-mode semantic understanding model is constructed to carry out deep semantic analysis on the video frame content so as to realize the dynamic coding of the conference video frame.

Some embodiments provide a method for initiating a video conference using a first mobile device. The method presents, during an audio call through a wireless communication network with a second device, a selectable user-interface (UI) item on the first mobile device for switching from the audio call to the video conference. The method receives a selection of the selectable UI item. The method initiates the video conference without terminating the audio call. The method terminates the audio call before allowing the first and second devices to present audio and video data exchanged through the video conference.

The invention relates to the field of multimedia communication and network control, in particular to an intelligent network control method for low-delay video return and related equipment. The intelligent network control method comprises the following steps: acquiring network key indexes including bandwidth, delay, jitter and packet loss rate of a network link in real time, and providing real-time network environment data support for transmission strategy adjustment. According to the method, an intelligent control mechanism combining network state perception and video content feature recognition is constructed, so that the technical problem of low-delay video return in a complex network environment is effectively solved. Specifically, key indexes of a network link are collected in real time, and a lightweight CNN model is introduced to analyze the video content activeness, so that dual perception capabilities for a network environment and content features are formed, data support is provided for dynamic adjustment of coding parameters, and accurate balance between video quality and network adaptability is realized.

An apparatus, including a computer including a database which stores a controllable healthcare record and information contained in a master records file, and a distributed ledger and Blockchain technology system. The apparatus facilitates a video call between a user device and a provider device. The computer, after processing information for updating the controllable healthcare record, processes information for identifying a plurality of electronic records for the individual and a second healthcare provider associated with each electronic record. The computer updates each of the plurality of electronic records, and generates a record update message. The computer transmits the record update message to each of a plurality of second provider devices associated with each second healthcare provider. Information regarding the update to the controllable healthcare record and the update to each of the second records is stored in the distributed ledger and Blockchain technology system.

The invention relates to the technical field of artificial intelligence auxiliary medical treatment, and provides an artificial intelligence-based marine first aid auxiliary diagnosis method and system. The method comprises the following steps: receiving a real-time multimedia data stream from an offshore first-aid site; carrying out conjoint analysis on the image and audio information, positioning key elements of the involved injured individuals and the surrounding environment, and obtaining an emergency scene description after enhanced analysis; extracting professional suggestions suitable for the current first-aid situation in combination with correction parameters of influences of specific variables of the marine environment on injuries and patients; activating a remote expert system, interacting with field first-aid personnel through two-way video communication, and generating personalized guidance information; and combining the personalized guidance information with the calibrated visual field of the first-aid personnel, and displaying decision support information provided by artificial intelligence in the visual field of the first-aid personnel. According to the technical scheme, the first-aid response speed and accuracy are improved, and it is ensured that the wounded patient obtains the most appropriate medical treatment in the first time.

The invention is suitable for the technical field of toll station management, and provides an expressway toll station remote seat guarding and special situation vehicle handling system, which comprises a front-end sensing layer, a rear-end sensing layer and a control layer, the lane equipment comprises a photoelectric sensor, an infrared height limit alarm, a license plate recognition camera, an ETC antenna, an acousto-optic warning ball and a self-service equipment sensor; the network transmission layer is connected with lane equipment, a sentry box cabinet, a machine room core switch and a monitoring center through an optical fiber network; the remote control layer is composed of a remote seat center, and the remote seat center can carry out video monitoring, visual intercom and remote control; and the abnormity alarm layer is used for carrying out early warning on vehicle detention, vehicle height exceeding, ETC passing faults, toll evasion vehicles and handrail abnormity. The vehicle state can be sensed in real time, data are gathered to a remote seat center through a network transmission layer, an information island is broken, and special conditions can be automatically processed.

The invention discloses a multifunctional police law enforcement recorder, which relates to the technical field of recorder wireless communication networks and comprises an audio and video recording module, a light emitting module, a microphone module, a display module, a battery module, a wireless communication module and a wireless communication processing module. The system has the advantages that the transmission power of wireless signals can be adjusted in real time according to factors such as actual signal strength, transmission distance and environmental interference, and then the problem of signal attenuation caused by environmental factors can be effectively compensated, so that the signal strength is improved, stable signal transmission of the law enforcement recorder in a complex and dynamic environment is ensured, and the service life of the law enforcement recorder is prolonged. The recorder can dynamically adjust the data transmission rate according to factors such as actual signal strength and bandwidth utilization conditions, the system can improve the transmission rate when the signal quality is good, and the system can automatically reduce the transmission rate when the signal quality is weak, so that resource waste caused by too large bandwidth or data loss caused by too low bandwidth is avoided.