367 results about "Video equipment" patented technology

The invention relates to the technical field of audio and video analysis and data processing, in particular to an AI-based multimedia equipment operation and maintenance management system, which comprises a data acquisition module, an analysis module, an equipment state modeling module, a fault prediction module, a maintenance strategy optimization module, a resource allocation module and a visual platform. The data acquisition module acquires temperature, vibration, audio and video feature data of the equipment through the sensor and the video equipment, and the data are preprocessed and then transmitted to the cloud; the equipment state modeling module constructs a dynamic baseline model based on historical data, abnormal signals are generated through real-time comparison, and the visual platform realizes multi-dimensional state monitoring through 3D topology rendering, AR auxiliary diagnosis and early warning linkage. The system solves the problems of response lag and low resource utilization rate caused by dependence on manual operation and maintenance in the prior art through a closed-loop management mechanism driven by a data stream, and improves the fault diagnosis precision and the operation and maintenance efficiency.

One or more embodiments of the invention provide a video recording method and system based on an intelligent door lock, the method is applied to the intelligent door lock, and the method comprises the following steps: the intelligent door lock obtains a corresponding relation between face information and a first video shot by the intelligent door lock and from the time when the intelligent door lock detects the face information to the time when the intelligent door lock is unlocked; sending to the video equipment for storage; a neighbor intelligent door lock corresponding to the intelligent door lock sends a corresponding relation between the face information and a second video shot by the neighbor intelligent door lock from receiving a first message sent by the intelligent door lock to receiving a second message sent by the intelligent door lock to video equipment for storage; and a camera device deployed in a room corresponding to the intelligent door lock sends a corresponding relation between the face information and a third video shot by the camera device from the time when the camera device detects the face information to the time when the camera device does not detect the face information to a video recording device for storage. According to the invention, the whole-course video recording of the visitor visiting process can be realized.

The invention relates to the field of multi-source information fusion, intelligent traffic and computer vision, and particularly discloses a highway event false alarm suppression method and device based on roadside perception and video verification. The method comprises the following steps: carrying out preliminary event detection and feature extraction by fusing multi-source road side data such as radar and thunder vision; carrying out space-time clustering on the detection result to screen high-suspected alarms; for highly-suspected alarms, scheduling video equipment to carry out directional analysis and deep verification, and carrying out real-time consistency verification on video analysis results and preliminary perception features in the process; and finally, based on a verification result and a comprehensive evaluation strategy, deciding whether effective event information is published or not. According to the method, a closed-loop processing flow of'preliminary perception-clustering screening-video directional verification-multi-source consistency verification 'is constructed, false alarms caused by environmental interference, single sensor errors and the like are effectively identified and inhibited, and the accuracy and reliability of automatic detection of highway events are greatly improved.

The invention relates to the technical field of power construction safety monitoring, and discloses an automatic safety monitoring system and method for a power construction area, and the system comprises a multi-source sensing and fusion module which is used for collecting and fusing multi-type data from video equipment, an environment sensor and wearable equipment, and forming time sequence sensing data in a unified format; the dynamic behavior recognition module is used for recognizing the behavior category of the construction personnel based on the sensing data and forming a behavior sequence; and the high-dimensional risk tensor construction module is used for carrying out joint modeling on the behavior sequence, the construction area position, the environment state and the time dimension to construct a risk semantic tensor. According to the method, accurate recognition of construction risks is realized through multi-source data fusion and spatio-temporal behavior modeling, and early warning perspectiveness is improved in combination with dynamic risk tensor prediction; and efficient utilization of prevention and control resources and continuous evolution of the system are ensured through multi-objective optimization strategy generation and a closed-loop adaptive mechanism.

The invention relates to the technical field of computer network technologies, in particular to a network motion capture platform based on synchronization equipment, which comprises an external expansion equipment group and a network switch, and further comprises the synchronization equipment connected with the external expansion equipment group and the network switch, the external expansion device group comprises at least one external expansion device, and each external expansion device is connected with the synchronization device by adopting a corresponding synchronization signal; according to the scheme of the embodiment of the invention, different software synchronization interfaces can be adopted by the four devices, so that the collected information can be synchronized in respective subsystems, and the synchronization efficiency of the four devices is improved. Therefore, the requirement for information data synchronization of the network motion capture camera and other equipment such as audio and video equipment, an active mark point, a dynamometer and a myoelectric instrument is met, and the synchronization precision and the application range of the whole system are improved.

The invention discloses a platelet performance index evaluation method and device. The method comprises the following steps: collecting platelets to be detected through a platelet performance index evaluation method; acquiring cloud feature data of the to-be-detected platelets by using an image video device, wherein the cloud feature data comprises cloud feature image data and / or cloud feature video data; and evaluating platelet performance indexes by using the cloud feature data of the to-be-detected platelets. The platelet performance indexes can be accurately and rapidly detected at low cost, and the problems that a traditional platelet performance detection method is long in consumed time, high in cost, large in result error and the like are solved.

The invention is applicable to the field of equipment data collection and processing, and provides a field video equipment control method which comprises the following steps: acquiring a network identifier of video equipment; according to the network identifier, mutually connecting the video devices with the same network identifier, establishing a data transmission network, and obtaining a theoretical monitoring range and an actual observable area of the video devices with the same network identifier to obtain a monitorable area; generating a video equipment control instruction according to the monitorable area; according to the monitorable area, splicing images in the monitorable area to obtain a spliced image; according to a video equipment control instruction and a spliced image, video equipment is deployed in a unified manner, through unified task deployment and distributed data processing, resources of a plurality of cameras are fully utilized, species information at different angles and distances is captured, more comprehensive observation data is provided, the monitoring efficiency is improved, and the coverage range is expanded. The system is suitable for large-range species monitoring requirements, and can timely deploy tasks according to feedback data, change a shooting angle or increase monitoring frequency and the like.

The invention relates to the technical field of numerical control machine tool fault diagnosis, in particular to a remote video-based numerical control machine tool remote fault diagnosis method and system. The method comprises the following steps: collecting video data of the numerical control machine tool under multiple view angles through remote video equipment; motion basic parameters are calculated according to the video data; performing motion feature analysis on the motion basic parameters to obtain an axis motion feature vector; performing axis motion stability calculation on the axis motion characteristic vector to obtain an acceleration stability parameter; performing trajectory curvature analysis according to the acceleration stability parameter and the axis motion feature vector to obtain a visual motion smoothness index; working condition feeding response processing is carried out according to the visual motion smoothness index, and a smoothness-feeding response curve is obtained. According to the method, fault diagnosis is improved from passive response to active prediction through a numerical control machine tool fault diagnosis technology, the non-planned downtime is greatly shortened, and the equipment operation reliability and the production efficiency are improved.

Systems and methods for video management in a conference room using a video bar are described. In an illustrative, non-limiting embodiment, a video bar may include a processor and a memory coupled to the processor, the memory having program instructions stored thereon that, upon execution by the processor, cause the video bar to determine a location of an Information Handling System (IHS) in a conference room, and, at least in part in response to the location, operate a video device in the conference room.

The invention discloses a video equipment energy use optimization system, and relates to the technical field of energy management and energy consumption monitoring. According to the invention, through integrating multiple modules of energy consumption data acquisition, demand model analysis, user behavior analysis, environment monitoring, energy consumption optimization decision, performance prediction and optimization and energy consumption monitoring and evaluation, the energy consumption optimization problem of video equipment in the use process is comprehensively solved; energy consumption data, including voltage and current parameters, of components such as a camera, a microphone and a display screen are monitored in real time through an energy consumption data acquisition module, data compression and encryption processing are carried out to improve transmission efficiency and safety, and then performance and function requirements of equipment are determined through an energy consumption requirement model module according to different use scenes. And an energy consumption threshold value and an adjustment strategy are set to realize dynamic adjustment of energy consumption.

The utility model discloses a cleaning device for a bony expansion device, which relates to the technical field of bony expansion device cleaning and comprises a handle part, a rod part is fixedly mounted on one side of the handle part, a brush head is fixedly mounted at one end of the rod part, an observation component convenient for observation is fixedly mounted on the upper side of the brush head, and the observation component comprises a mounting block. The mounting block is fixedly mounted on one side of the brush head, a splicing groove is formed in the upper side of the mounting block, a mounting groove is formed in one side of the mounting block, and a quick release assembly is slidably mounted in the mounting groove. And a camera on the camera shooting equipment is moved out to the outer side of the U-shaped block, a cleaning area is monitored, data are transmitted to the video equipment to be displayed, observation can be conveniently carried out in cooperation with a dental mirror during cleaning, and the use convenience of the device is improved.

The embodiment of the invention provides a method for testing the performance of infrared spectrum video equipment, and belongs to the technical field of infrared spectrum imaging. The method comprises the following steps: starting an infrared spectrum video measurement and control platform and infrared spectrum video equipment to obtain a field of view of the infrared spectrum video equipment; selecting an acquisition area in the field of view of the infrared spectrum video equipment; based on the gas required by performance test and the concentration of the gas, filling the gas into a measurement gas chamber of the infrared spectrum video measurement and control platform; adjusting the infrared spectrum video measurement and control platform to simulate an environment required by performance test; collecting a first response value of the infrared spectrum video equipment in the environment; and calculating a performance test result of the infrared spectrum video equipment based on the first response value. The method is used for solving the problem that in the prior art, various possible errors exist in gas performance testing of infrared spectrum video equipment at different concentrations and different temperatures.

The invention provides a vehicle camera data transmission method and device, and the method comprises the steps: responding to a vehicle-mounted system to complete the initialization configuration, generating corresponding request instruction information based on a demand event which is triggered by a target application program and is expected to obtain camera data, and transmitting the information to a hardware abstraction layer module; in response to the access permission of the target application program passing verification, encrypting the request instruction information, and sending the request instruction information to a video equipment interface to obtain camera data of a target vehicle camera; encrypting the camera data to obtain encrypted camera data, calculating a check code corresponding to the encrypted camera data, and sending the check code to a shared memory; and the target application program obtains the encrypted camera data and the check code in the shared memory, and decrypts the encrypted camera data to use the camera data. Through the method, the real-time performance, efficiency and stability of camera data transmission are improved, and the complexity of data transmission is reduced.

The embodiment of the invention discloses a multi-mode intelligent detection method for practical training and practical operation behaviors, and relates to the technical field of artificial intelligence. The method comprises the steps of loading a plurality of sub-task processes in response to a training task selected by a student; traversing the plurality of sub-task processes in sequence, and respectively executing the following operations: triggering each piece of audio and video equipment associated with the current sub-task process; traversing each action to be detected in the current sub-task process in sequence, prompting a student to execute the current action and collecting an action video; carrying out picture detection on the action video by utilizing an association algorithm to obtain a plurality of target pictures of which the current action is detected; and determining a time period when the student completes the current action according to each target picture, extracting an audio of the time period from the action video, and analyzing the similarity between the audio and a standard term by using a large model so as to judge the audio completion degree of the current action. The embodiment of the invention can fully detect the practical training effect and standardize the practical operation process.

The invention discloses an audio and video equipment full life cycle management system, which relates to the technical field of audio and video equipment management and comprises a dynamic load monitoring module, a dynamic operation information acquisition and analysis module, an overload risk assessment module, a risk response and protection strategy module and an operation state monitoring and optimization module. And the overload risk assessment module constructs a power amplifier equipment overload risk assessment model for the generated output power change index and the load accumulation influence index, generates an overload risk assessment coefficient, analyzes the overload risk assessment coefficient after the overload risk assessment coefficient is generated, assesses the risk level of equipment overload in the process of adjusting the output power of the power amplifier equipment, and provides a power amplifier equipment overload risk assessment result. And according to the evaluation result, the equipment state is divided into three grades of low risk, medium risk and high risk. The overload risk problem possibly occurring in the process of adjusting the output power of the power amplifier equipment is solved, safe and stable operation of the equipment is ensured through dynamic monitoring and accurate evaluation, and the reliability and efficiency of the system are improved.

The invention mainly discloses a streaming media asymmetric network penetration method, which comprises the following steps that: after being started, intranet video equipment is actively connected to a preset extranet server, and a persistent control channel is established; the extranet server receives a watching request instruction of the user side and judges whether a corresponding audio and video stream is transmitted or not, if not, a first instruction is sent to the intranet video device through the control channel, and the first instruction is used for instructing the intranet video device to push the audio and video stream to the extranet server; and the intranet video device responds to the first instruction and transmits the encoded audio and video streams to the extranet server through the data transmission channel.

A system and method for allowing a multiplicity of people to concurrently share a common video-audio device. A multiplicity of pixels comprising a common display are spatially divisible for outputting distinctly selected content, where the spatial divisions are substantially collocated with distinct physical locations amongst a multiplicity of possible locations. When a person walks up or is summoned to approach a specific physical location their presence is detected along with some identifier, where the person is then provided a selected video-audio stream output on the spatially relevant pixels corresponding to the specific physical location based at least in part on the identifier. Two or more people may be concurrently occupying adjacent physical locations and each receiving distinct video-audio streams. Either or both of the video and the audio may be provided as private and substantially only seen or heard by the person occupying the specific location.

The invention is suitable for the technical field of equipment control, and provides a control method and a control device of portable video equipment, and the portable video equipment. The control method comprises the following steps: in response to a first trigger operation on a preset combined key on the portable video equipment, controlling the portable video equipment to enter a privacy mode; in the privacy mode, the portable video recording equipment is forbidden to start at least one intelligent linkage video recording function, and the intelligent linkage video recording function is a function of starting a video recording function when a preset condition is met. According to the invention, the risk of privacy disclosure can be reduced.

The invention provides modularly-designed metal net production equipment and an assembling method thereof, and relates to the technical field of metal accessory machining of audio and video equipment, a plate strip conveying module comprises a winding roller and a winding motor, and a metal plate strip serving as a raw material is wound and conveyed by the winding roller; the mesh punching module comprises a punching machine and a punching die, and the punching die is detachably connected to the working end of the punching machine; the die adjusting module is provided with a transverse conveying mechanism for bearing various stamping dies of different specifications. The central control module controls the die adjusting module to convey a stamping die of a set specification to the working end of the stamping machine and controls the working end of the stamping machine to be connected with the stamping die, and meshes of the set specification are formed in the metal plate strip in a stamping mode. By means of the equipment and the assembling method thereof, dies of different specifications can be replaced rapidly so as to be suitable for production of metal nets of different structural sizes and different hole layouts, the production efficiency and the product quality are improved, and the workload of the dies is reduced.

The invention provides a multi-application camera sharing method and device for a Linux-compatible Android system, and the method comprises the steps: transplanting a virtual video device driver to an environment with the Linux-compatible Android system, creating a camera server program at a Linux system side, creating a Linux side system service configuration file, carrying out the self-starting along with the startup, transforming an Android Framework layer camera frame, and carrying out the self-starting of the camera frame. A plurality of Android applications can call the same camera device at the same time; and transforming an Android side camera hal layer, so that the Android side camera hal layer can read camera data from camera virtual equipment and send the camera data to an application layer. According to the method and the device, a plurality of Linux applications and a plurality of Android applications can share the same camera, so that the user experience is greatly improved.

The invention discloses an efficient video stream transmission and management platform based on a message queue, and relates to the technical field of video stream transmission. After receiving a transmission instruction, the platform collects and stores operation parameters of video equipment in real time to monitor whether the equipment state is healthy or not, obtains an original video stream from the accessed video equipment, and transmits the original video stream to the video equipment; the method comprises the steps of generating a comprehensive judgment index through first judgment analysis to judge a network condition, transcoding an original video stream to generate a video multi-layer resolution slice, constructing a lossless coding context model based on the video multi-layer resolution slice through second judgment analysis, generating a high sub-band primer set and a low sub-band primer set, and generating a high sub-band primer set and a low sub-band primer set. Message units with priorities are constructed to facilitate transmission and management of video streams; according to the method, the security of image transmission can be enhanced, efficient lossless compression under multiple resolutions is also realized, efficient transmission is ensured, and particularly, intelligent optimization of video transmission is realized in a scene with limited network resources.

According to the video equipment terminal intercommunication system based on the SIP protocol and the non-SIP protocol provided by the invention, when a calling user is off-hook to initiate a call, an SIP terminal proxy can send an Invite request to an SIP proxy server; the SIP proxy server can search a non-SIP terminal proxy bound with the called extension and channel information, and sends the channel information to the streaming media server; sending the channel information to the streaming media server, so that the streaming media server creates SDP information of a non-SIP terminal proxy according to the channel information, and returning the SDP information to the SIP proxy server, so that the SIP proxy server forwards the SDP information to the SIP terminal proxy; and after receiving the SDP information, the SIP terminal agent can send ACK information to the SIP agent server for confirmation so as to establish communication connection with a non-SIP terminal agent and then start a call. According to the process, the flexibility and compatibility of communication can be effectively improved, and the communication efficiency is improved.

The application provides a video front-end device authentication method and system based on a national secret SM9 algorithm, which comprises the following steps: a front-end video device downloads an SM9 identification key; the front-end video device and a video encryption subsystem are authenticated bidirectionally based on an identification password algorithm; the front-end video device encrypts monitoring video data by using an SM4 algorithm, and transmits the encrypted monitoring video data to the video encryption subsystem; and the video encryption subsystem decrypts the encrypted monitoring video data and transmits the decrypted monitoring video data to a video user terminal. By using the national secret technology, the standardization degree can be effectively improved, and technical weaknesses can be reduced; the front-end video device and the video encryption subsystem are authenticated bidirectionally based on the SM9 algorithm, so that the authenticity of the access device is ensured, and the access of malicious devices and the illegal control of the front-end device are effectively prevented; the monitoring video data is encrypted based on the national secret algorithm and is transmitted in an encrypted mode, so that the risk of data leakage can be effectively avoided, and the problem of poor safety performance of the existing video monitoring system is solved.

The invention discloses a sound chamber module system which is provided with walls on four sides and comprises a door to create an internal space, a main body frame arranged on one side of the wall, a video device arranged in the center of the main body frame and a plurality of audio devices arranged on two sides of the periphery of the video device, and the wall comprises a concrete layer. The sound absorption material layer is installed on the concrete layer, and the sponge component is doped with ferrite components. The sound absorption material layer comprises a semi-non-combustible sheet layer in which water and melamine resin powder are dissolved.

The invention relates to the technical field of chemical industry park emergency management, and discloses a chemical industry park cross-enterprise emergency linkage drill intelligent coordination system. The system comprises a park-level emergency linkage platform, a task distribution module, a real-time monitoring module and a drill evaluation module. The platform integrates the emergency resource information of each enterprise through a standardized interface, and adopts distributed storage to realize centralized management; the task allocation module automatically generates a cross-enterprise rescue scheme based on an intelligent algorithm by integrating factors such as an accident position, a resource matching degree and a rescue path; the real-time monitoring module collects drill data through a sensor network and video equipment; and the evaluation module generates a visual report according to the quantitative index system and provides optimization suggestions. According to the invention, efficient coordination and intelligent scheduling of cross-enterprise emergency resources are realized, the emergency response speed and cooperative processing capability of the park are significantly improved, the emergency response time is shortened by more than 60%, the resource allocation accuracy is improved by more than 20%, and a continuously optimized emergency management closed loop is formed.

The embodiment of the invention discloses a video equipment management and control method, system and equipment. The method comprises the following steps: acquiring video equipment information of to-be-managed and controlled video equipment and a video picture shot by the to-be-managed and controlled video equipment; based on a preset naming rule, performing standard naming on the to-be-controlled video equipment by using the video equipment information; acquiring a field picture and field installation information of to-be-controlled video equipment input by a user; and based on the field picture, the video picture and the field installation information, judging whether the field picture and the field installation information input by the user for the named to-be-controlled video equipment are correct or not. The situation that only pictures and no information exist in traditional video monitoring is broken through, and the technical problem that matching application of video monitoring in different service scenes is affected due to the fact that most of existing video monitoring devices are constructed and managed by taking different units as arrays is solved.

Systems, methods, and tools associated with Enhanced Object Mask (SEI) messages are disclosed herein. In an example, a video device may obtain one or more syntax elements associated with video data. The one or more syntax elements may specify a parameter (e.g., a location parameter) associated with an object mask associated with the picture. The parameter may correlate with at least a sample range of object mask samples around the object mask ID value. In an example, the parameters associated with the object mask may include a maximum sample value and a minimum sample value of the object mask that define a range of the object mask samples around the object mask ID value. In an example, the parameter associated with the object mask may be a bounding box parameter associated with the object mask.

We provide the system. [Solution] In large-scale facilities, a means of acquiring visitors' biometric information upon entry, A means for comparing collected biometric information with image data acquired from a video device, A means of issuing a warning when matching biometric information is detected based on the matching process, A means of notifying facility staff who receive a warning of the current location of the discovered visitor, A means of identifying and protecting visitors using real-time video from multiple cameras, A means of notifying the visitor's guardian of the location information of a protected visitor, A system that includes this.

The present invention discloses a method and system for optimizing the allocation of terminal edge joint resources. The method includes: based on an edge controller, recording the number of multiply-accumulate operations required by a neural network and the recognition accuracy of the neural network when different frames of video are input into the neural network; completing control tasks according to video recognition requests of mobile devices, where the control tasks include: sending sampling frame number control information to a video sampling management module corresponding to a mobile device based on the number of frames sampled in each mobile device video; determining whether a user's inference task is completed in a local DNN inference module or in an edge DNN inference module based on a user offloading decision; determining the time ratio of each mobile device to upload video based on the allocation strategy of communication resources of each mobile video device. Based on this optimization method, the average inference latency of the system and the average energy consumption of mobile devices are reduced, and the accuracy of model inference is improved.