513 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.

A system and method for real time discrete cosine transform image and video processing with convolutional neural network architecture. The system and method incorporate discrete cosine transform image processing with convolutional neural networks to achieve fast and efficient image processing that yields more reliable results than previously used image processing methods. The proposed system and method enable effective, real time, image processing which is applicable to a wide range of imaging and video devices.

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.

Systems and methods for Unified Extensible Firmware Interface (UEFI)-level processing of Out-of-Band (OOB) commands in heterogeneous computing platforms. In some embodiments, an Information Handling System (IHS) may include: a heterogeneous computing platform having a plurality of devices, and an OOB Microcontroller Unit (MCU), Embedded Controller (EC), or networking device integrated into or coupled to the heterogeneous computing platform and distinct from a host processor of the heterogeneous computing platform, where the OOB MCU, EC, or networking device is configured to: receive an OOB packet while the host processor is in a low-power state, and execute an OOB command contained in the OOB packet, by the host processor, at least in part through initialization of UEFI without initialization of any video device.

The invention relates to the field of intelligent equipment, and provides wearable work card type audio and video equipment for realizing 4G network transmission, which is characterized in that firstly, data are acquired through a microphone and a camera which are arranged in the equipment, then the acquired data are compressed, FEC information is added to the compressed data to obtain anti-packet-loss compressed data, and the anti-packet-loss compressed data are transmitted to the equipment through the microphone and the camera. And then the anti-packet-loss compressed data is transmitted through the 4G network, RTT and packet loss rate are monitored in real time in the data transmission process, and the sending rate is dynamically adjusted based on the monitoring result. Therefore, efficient and reliable data transmission of the audio and video equipment capable of wearing the work card under the 4G network can be better realized.

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.

Methods, apparatus, and non-transitory storage media for video decoding and encoding are provided. In one decoding method, a decoder obtains a first geometric partition mode (GPM) portion and a second GPM portion for a coding unit (CU). In response to determining that the first GPM portion or the second GPM portion is predicted by intra prediction, the decoder disables template matching (TM)-based GPM partition mode rearrangement for the multiple GPM partition modes applied to the CU. In addition, in response to determining that both the first GPM portion and the second GPM portion are predicted by inter prediction, the decoder enables TM-based GPM partition mode rearrangement for the multiple GPM partition modes.

The invention belongs to the technical field of tunnel ventilation regulation and control, and particularly relates to a control method of a highway tunnel ventilation system based on wind speed. According to the invention, sensors are arranged at key positions of a tunnel, wind speed and environmental parameters are collected, and traffic flow detection is carried out by using video equipment and an SVM model. Then, a comprehensive evaluation function is defined according to the collected data to calculate ventilation requirements, and a ventilation mode is selected based on the ventilation requirements; thirdly, the opening degree of a ventilation opening and the speed of a draught fan are adjusted through a PID controller, so that the ventilation requirement is met. Finally, CFD software is used for simulating air flow, the ventilation opening layout and opening and closing time are optimized through a simulated annealing algorithm, and therefore ventilation efficiency optimization is achieved. In the whole process, accurate control and intelligent optimization of the tunnel ventilation system are achieved, the ventilation efficiency is improved, and the energy consumption is reduced.

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.

The invention provides a video point location treatment method, and belongs to the technical field of video monitoring management, and the method comprises the steps: constructing and deploying a video point location treatment system management platform which is used for obtaining hardware information, point location information and video stream information of video equipment, and carrying out the standard description of the video equipment, distributing a unique identifier to each video device, wherein the point location information comprises latitude and longitude information; point location management and proofreading tasks are distributed to the user, and user permission is set; creating a point location attribute tag, and setting and managing according to a point location management verification rule; the point location governance verification rule comprises geographic information system double verification, spatial relation verification and time calibration. According to the method, precise treatment and efficient proofreading of the video point location data are realized, standardized sharing of the monitoring point location data is ensured, the quality of the video point location data is effectively improved, and the integrity, consistency and normalization of the data are ensured.

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 video frame sharing access method, a storage medium and video equipment. The method comprises the following steps: a producer process writes a frame of video frame data corresponding to a target video source into a target shared memory according to a production annular queue and a data writing index; the target consumption process responds to a preset judgment rule and judges whether video frame data which is not consumed by the target consumption process exists in the target shared memory or not according to a target queue index in the target consumption context data, and if yes, video frame data which is not consumed by the target consumption process are stored in the target shared memory according to the target queue index and a target consumption annular queue in the target consumption context data; and determining a target to-be-read memory identifier, accessing a target shared memory corresponding to the target to-be-read memory identifier in a read-only manner, and obtaining target video frame data. According to the method and the device, on the basis of ensuring that the production real-time performance of the video frame is not influenced by the consumption speed and different consumption task processes are not mutually influenced, the occupation amount of CPU resources and memory resources is reduced.

The invention relates to the technical field of running data processing, and particularly discloses a video running posture analysis method based on mobile video equipment, which comprises the following steps: S1, collecting video frame data of a runner; s2, extracting joint point features, and identifying, filtering, forming and storing key frame data; s3, performing statistical analysis based on the key frame data to obtain running posture data; and S4, outputting the running posture data and guidance suggestions. Through comparison with a standard value, the running posture can be fed back to the runner in real time, the runner can dynamically adjust the posture or avoid safety risks, the risk of sports injuries is reduced, the runner can enjoy healthier and cheerful running experience, other functions such as sports prescriptions can be combined, the user experience is improved, and the user experience is improved. And the requirements of scientific sports or interesting sports of the user are met.

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 intelligent power management system for audio and video equipment, and relates to the technical field of intelligent power management, and the system comprises an equipment environment analysis module, an equipment state analysis module, an equipment wake-up optimization module and an equipment use optimization module. The device state is judged according to the environment correction factor and the current device state data, if the device is in a dormant state, the device awakening optimization module is adopted, the device voltage and the processor frequency are adjusted according to the user awakening data, and therefore the awakening process of the device is optimized. And if the equipment is in a use state, the equipment use optimization module is adopted to optimize signal processing and noise suppression according to user use data, so that the use process of the equipment is optimized, and the system improves the energy efficiency of the equipment and prolongs the service life of the equipment.

The invention discloses a national standard-based camera remote operation and maintenance method and system and a medium. The method comprises the following steps: acquiring image information shot by an IPC camera, and sending the image information to a video monitoring module for Web display, equipment management, historical video-on-demand, video storage, video distribution and video screenshot; and the video operation and maintenance module performs non-video stream analysis, network flow analysis, video stream frame rate analysis and equipment fault analysis according to historical video on demand, video screenshots and equipment response to obtain an operation and maintenance evaluation index, and matches a corresponding operation and maintenance scheme. According to the invention, IPC video equipment management and control are carried out based on a national standard protocol, and videos are pushed to a specified video monitoring module through a specified format protocol; according to the method, video stream-free analysis, network flow analysis, video stream frame rate analysis and equipment fault analysis are adopted, the problems of blurred screen and half screen caused by network congestion or video stream frame rate mismatching in national standard-based camera remote operation and maintenance are positioned, the workload of video operation and maintenance personnel is reduced, and the personnel focus on solving related problems.

The invention provides a method for adaptively and dynamically adjusting the clock frequency of audio and video equipment. The method comprises the following steps: a receiving end FIFO (First In First Out) stores data into the FIFO according to a sending clock and control enabling; detecting empty and full states in real time, and generating an approximate full signal almostfull and an approximate empty signal almostep which correspond to an upper overflow trend and a lower overflow trend of the FIFO respectively; and according to whether the almostfull and the almostep are high or not, calculating a decimal part in a latest PLL decimal frequency division coefficient, sending the decimal part to the PLL, calculating the decimal frequency division coefficient, calculating a new reading frequency, and dynamically adjusting the clock frequency. The invention further provides a circuit for dynamically adjusting the clock frequency of the audio and video equipment. According to the invention, real-time overflow detection is realized, the transmission efficiency is improved, and unnecessary power consumption waste is reduced; one packet of data does not need to be stored in a buffer, so that the size of the buffer is relatively free, and the area cost is saved; successive approximation processing is carried out alternately according to empty and full signals, the sending clock frequency is converged to be consistent with the sampling clock frequency, overflow judgment does not need to be carried out all the time, and efficiency is improved.

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.

Disclosed herein are various embodiments, for a private listening system for streaming audio and video. An example embodiment operates by receiving a first selection of a first version of audio content for output to a first audio device connected to a streaming media device. A second selection of a second version of the audio content for output to a second audio device connected to the streaming media device is received. Both the first version of the audio content is provided to the first audio device and the second version of the audio content is provided to the second audio device for simultaneous and synchronized output with the video content output to the video device.

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.