214 results about "Video equipment" patented technology

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 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 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.

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.

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.

Devices that record data from a space, such as audio or video devices having microphones and / or cameras, may have a privacy mode which allows a user to temporarily prevent the device from recoding audio or video of the space. The privacy mode may be a privacy cover, button, airgap, or other mechanism to obfuscate the acoustic or video signal, or to remove power and / or communication from the camera, microphone, control circuit, or to the entire device itself. Additionally, the privacy mode may be remotely enabled for multiple devices in a space.

This invention provides a hologram data generation device that can quickly obtain 3D reproducible hologram data from video data output from existing video equipment. [Solution] The system includes a video data receiving means for receiving video data, a depth estimation means for estimating depth data from the video data, a hologram generation means for generating 3D reproducible hologram data from the video data and depth data, and a hologram data output means for outputting the hologram data.

The invention discloses a notebook audio and video acquisition test method and system applied to multi-scene recording, relates to the technical field of computers, and solves the problem that an audio and video test result is inaccurate. Obtaining a video test constraint condition and an audio test constraint condition of the notebook; constructing a video test scheme corresponding to the notebook through the video test constraint condition, and performing video acquisition test on the notebook based on the video test scheme; constructing an audio test scheme corresponding to the notebook through the audio constraint condition, and performing audio acquisition test on the notebook based on the audio test scheme; and integrating the color test result, the frame rate test result and the signal-to-noise ratio test result of the video acquisition equipment corresponding to the notebook and the noise suppression test result corresponding to the audio acquisition equipment, and outputting an abnormal value result, so that accurate test of the audio and video equipment corresponding to the notebook is realized.

The application relates to the technical field of audio-video equipment, and discloses a sound-emitting screen and a projection system. The sound-emitting screen comprises a sound-emitting plate and an optical film. The sound-emitting plate comprises a skin, a reinforcing structure and an exciter. The skin comprises opposite first and second surfaces; the reinforcing structure is fixed to the first surface; the reinforcing structure comprises a plurality of reinforcing plates, the plurality of reinforcing plates separate the first surface into a plurality of sound areas; the exciter is fixed to the first surface; and the exciter is arranged in each sound area. The optical film is fixed to the second surface. The sound-emitting screen provided by the application can enhance the sound area resolution and improve the sound-emitting effect.

1. The name of the design product: folding handle. 2. The use of the design product: for installing and fixing photographic equipment and video equipment. 3. The design points of the design product: in shape. 4. The picture or photo best indicating the design points: perspective view 2. 5. Other circumstances needing to be explained: the change state diagram shows the state of the supporting feet and the shell of the folding handle after being unfolded.

1. Name of the product in this design: On-camera flash. 2. Application of this design: This design can be installed on photographic and video equipment for supplementary lighting during photography and video recording. 3. The key design feature of this product is its shape. 4. The picture or photo that best illustrates the key design points: Design 1 3D diagram 1. 5. Design 1 is designated as the basic design.

The utility model belongs to the technical field of audio and video, particularly relates to audio and video equipment, and aims to solve the problems of lack of an adjusting structure, inconvenience in angle adjustment and lack of a cable storage device in the prior art, and provides the following scheme: the audio and video equipment comprises a mounting plate, a fixed column and a sleeve, and the fixed column is arranged at the center of one side surface of the mounting plate; a sleeve is vertically arranged on the side, away from the mounting plate, of the fixing column, an adjusting rod penetrates through the top of the sleeve, a winding roller is rotationally connected to the end, close to the interior of the fixing column, of the adjusting rod, and a driving assembly is mounted on the top of the side face, away from the sleeve, of the winding roller. A sliding block is rotationally connected to the outer wall of the bottom of the fixing column used for rotating adjustment, one side edge of the sliding block is rotationally connected with the outer wall of the sleeve through a rotating shaft, and a connecting bolt is in threaded connection with the bottom end of the interior of the sliding block. The cable fixing device has the advantages that the angle and the position can be conveniently adjusted, and the cable can be conveniently pulled out and stored.

A direction-adjustable double-point edge terminal video flow measuring device comprises a video flow measuring supporting frame, a fixed rotating rod is arranged on the video flow measuring supporting frame, edge terminal video equipment is arranged on the fixed rotating rod, and the fixed rotating rod is used for driving the edge terminal video equipment to rotate by 90 degrees through a driving motor. Video flow measurement is carried out in the upstream direction and the downstream direction respectively; the video flow measurement supporting frame comprises a base, a supporting rod body and a top fixing frame, the top fixing frame is matched with the fixed rotating rod to fix the edge terminal video equipment, and the edge terminal video equipment is used for collecting images for video flow measurement.

The embodiment of the specification discloses a video monitoring adaptation interface and an adaptation method thereof, wherein the video monitoring adaptation interface adopts a layered architecture design of a hardware adaptation layer, a core service layer and a unified interface layer. The hardware adaptation layer respectively performs adaptation conversion according to CPU architecture and OS type of a video monitoring system and a communication protocol of a video acquisition device, and realizes unified adaptation to different hardware platforms, operating systems and video devices; the core service layer provides reliable video service processing capability; and the unified interface layer converts internal services into standardized interfaces. The application realizes 'one development, multiple deployment', reduces adaptation cost between various video monitoring systems and external systems, and improves compatibility and maintainability of a ship video monitoring system.

The application discloses a platelet performance index evaluation method and device. The method comprises the following steps: collecting platelets to be detected; collecting cloud and mist characteristic data of the platelets to be detected by using an image and video device, wherein the cloud and mist characteristic data comprises cloud and mist characteristic image data and / or cloud and mist characteristic video data; and evaluating platelet performance indexes by using the cloud and mist characteristic data of the platelets to be detected. The application can accurately, quickly and at low cost detect platelet performance indexes, and solves problems of long time consumption, high cost and large result error of a traditional platelet performance detection method.

1. Name of the product in this design: Shoulder brace (5199). 2. Purpose of this design: To install photographic and video equipment to assist in shoulder-mounted shooting. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the key design points: Design 1 3D view. 5. Design 1 is designated as the basic design. 6. Other situations requiring explanation: Design 1 requests protection for the combination of shape and color; Design 2 requests protection for the combination of shape and color.

The invention relates to an audio and video equipment control method, a robot system, electronic equipment and a storage medium. The method comprises the following steps: acquiring a connection signal of a target interface of an intelligent base; wherein the target interface is used for being connected with a host; and under the condition that the connection signal represents that the intelligent base is connected with the host, configuring a control module of the intelligent base as audio and video communication equipment of the host. According to the method, the connection state of the intelligent base and the host can be identified through the connection signal of the target interface of the intelligent base, and when the intelligent base is connected with the host, the control module of the intelligent base is configured as the audio and video communication equipment of the host, so that the audio and video communication connection between the host and the intelligent base is established when the preset condition is met. When the host selects the intelligent base as the audio and video input and output equipment, audio and video input and output can be performed through the intelligent base, so that the intelligent base is prevented from being idle, the audio and video interaction capability of the host is enhanced, and the resource utilization rate is improved.