301 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.

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 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 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 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.

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 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.

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 embodiment of the utility model discloses an image acquisition module, a live broadcast machine and audio and video equipment, the image acquisition module comprises a frame body, an image acquisition unit and an adjusting assembly, in the use process, a rotary knob can be rotated to drive a connecting rod to rotate, the connecting rod can drive the image acquisition unit to rotate, and the adjusting assembly can adjust the image acquisition unit. Therefore, the switching of the image acquisition angle of the image acquisition unit can be realized. The inventor discovers that the knob is loosened due to the fact that the image acquisition module or the direct sowing machine is arranged on a plane, the knob is stressed, shearing force exists between the knob and the connecting rod, and the knob is loosened, the knob is connected with the connecting rod through the at least two fasteners, so that the connecting strength of the knob and the connecting rod is higher, and the reliability of the knob is improved. The connecting point and the contact area of the knob and the connecting rod are increased, the knob cannot be influenced even if the connecting part of the knob and the connecting rod is subjected to shearing force, the reliability of knob connection is guaranteed, the probability of knob loosening is reduced, and the reliability of the image acquisition module is further guaranteed.

The utility model relates to a reflecting cover, and belongs to the technical field of photography and video recording equipment. The device comprises a shell, a reflection cup and a light transmitting mirror, wherein a hollow accommodating cavity with two open ends is formed in the shell; the reflection cup is accommodated in the accommodating cavity; the reflection cup comprises a plurality of reflection plates, the reflection plates are arranged in the circumferential direction of the containing cavity in a surrounding mode, the side edges of the adjacent reflection plates can abut against one another, and the reflection plates are spliced to form a cylindrical reflection cavity. Two ends of the reflecting cavity are respectively a light inlet and a light outlet; and one side surface, deviating from the shell, of the reflecting plate is a reflecting surface. The light transmitting mirror is arranged on the side, facing the light outlet, of the shell, covers a light emitting path of the light outlet and is used for conducting light mixing treatment on light reflected by the light reflecting face, and therefore the phenomena that due to a light reflecting cavity formed by splicing a plurality of reflecting plates, light spots are uneven, and the light and shade junction is obvious are effectively weakened, and the light reflecting effect is improved. The emergent light is homogenized again, and the overall uniformity and smooth transition effect of light spots are remarkably improved.

The utility model belongs to the technical field of power supply of camera equipment, and particularly relates to an electrical transformation separation type camera power supply device and a battery module, which comprise a plurality of battery packs, the top of each battery pack is provided with a telescopic spring pin assembly, and the bottom of each battery pack is provided with a battery positioning hole; the inverter module comprises an inverter body and a detachably connected handle-shaped connecting piece, and the bottom of the connecting piece is provided with an inverter positioning hole matched with the spring pin assembly; the battery module and the inverter module are vertically stacked and positioned through nesting of the spring pin assemblies and the positioning holes. The battery module and the inverter module have the beneficial effects that the stacking stability and the electrical connection reliability are improved, the portability and the expansibility are optimized, and the like.

The utility model relates to the technical field of medical equipment installation, and specifically relates to a multi-angle plugging fast-assembly connector comprising a pedestal; a PCB (Printed Circuit Board) is assembled on the base, and three groups of arc-shaped copper sheets are assembled on the PCB; the first group of arc-shaped copper sheets comprises a first copper sheet A, a first copper sheet B, a first copper sheet C and a first copper sheet D; the second group of arc-shaped copper sheets comprises a copper sheet A II, a copper sheet B II, a copper sheet C II and a copper sheet D II; the three groups of arc-shaped copper sheets comprise a copper sheet A III, a copper sheet B III, a copper sheet C III and a copper sheet D III; and a bottom core is detachably assembled on the base. According to the utility model, after the bottom core is completely inserted into the base, the bottom core needs to be clockwise rotated by about 10 degrees, and at the moment, the head of the assembling and disassembling buckle smoothly enters the bottom of the video notch of the base. Besides, the copper sheet group on the PCB of the base and the corresponding contact reed of the bottom core contactor can ensure stable and good electric contact, so that the normal connection between the surgical field video equipment and the shadowless lamp electric appliance cable is realized, and the normal operation of the surgical field video equipment is ensured.

The utility model relates to the field of rat sexual behavior research, in particular to a shading cage and cage assembly facilitating rat sexual behavior research, the shading cage and cage assembly is used for containing a rat, and the upper portion of the cage assembly is a light-proof top plate; a containing box is arranged on the periphery of the cage assembly, the containing box is used for installing video equipment, and the video equipment has an infrared function and is used for observing behaviors of rats in a dark environment; a plurality of accommodating bins are formed in the upper side of the covering table; the accommodating bin is used for accommodating the cage assembly; when the cage assembly is placed in the containing bin, the top plate of the cage assembly and the containing box can cover the upper opening of the containing bin, and therefore the rat in the containing bin is in the dark.

1. Name of the designed product: ball type holder (screw structure locking). 2. Use of the designed product: used for fixing camera and other photographic and video equipment. 3. Design points of the designed product: in shape. 4. Picture or photo showing the design points: perspective view.

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.

1. The name of the design product: control handle of one-key full-opening tripod. 2. The use of the design product: one-key full-opening tripod is used to support photographic and video equipment to assist shooting, and the control handle is used to control which leg of the tripod is unlocked or locked synchronously. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

This disclosure describes wireless keyboard, video device, and mouse dongles with remote control capabilities. A keyboard, video display, and mouse (KVM) dongle device may include communication circuitry configured to receive wireless signals from at least one of a remote keyboard, a remote display, or a remote mouse; and processing circuitry configured to send commands, via at least one cable, to a device so that the device is remotely controlled by the remote keyboard, remote display, or remote mouse.

1. Name of the designed product: electric tripod. 2. Use of the designed product: support for photographic and video equipment. 3. Design points of the designed product: in shape. 4. Picture or photo that best shows the design points: perspective view.

The invention discloses a modular portable communication center and a personal intelligent system thereof, and belongs to the technical field of electronic information. The system takes a miniature portable server as a core, and is connected with various display devices (such as a mobile phone screen, a folding screen, a display, a television, a wearable device and the like) and external devices in a wired or wireless manner, so that multifunctional integration and intelligent control are realized. The system can replace a mobile phone, a computer and home audio and video equipment, and has the functions of multi-screen collaborative display, data processing and storage, remote office, information backup, safety control and the like. In addition, the system also supports the physiotherapy functions of infrared heating, magnetic line penetration, vibration and the like through electric power multidirectional conversion, and is suitable for health management. According to the structure, a display and host separation design is adopted, the handheld weight is obviously reduced, the power consumption of a handheld part is reduced, the falling damage risk is reduced, the physical loss of data information is reduced, the data security level is improved, modular upgrading and expansion are supported, and the beneficial effects of material saving, time saving, electricity saving, disease elimination and the like are achieved.