559 results about "Video record" patented technology

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 discloses a monitoring video event analysis method, system and device for monitoring equipment, and relates to the technical field of video abstraction. Obtaining a monitoring video recorded by monitoring equipment, and screening out a moving video clip from the monitoring video; extracting a video frame feature and an audio feature from the video clip, determining a plurality of event clips in the video clip according to the video frame feature and the audio feature, and determining an abstract of each event clip; storing the abstract of each event segment and the corresponding timestamp in a database; and determining event segments recorded by the monitoring equipment through the abstracts in the database and the corresponding timestamps. According to the method, the monitoring video of the monitoring equipment can be effectively analyzed, so that the time for finding the related video clip of the target event is shortened.

A video shooting method includes: enabling a camera application on a terminal and in a slow-motion video recording mode of the camera application, when a motion detection function of the camera application is enabled, starting to capture video frames after a video recording instruction input by a user is detected, recording a second video frame set at a first frame rate automatically when a motion of a human body in a captured first video frame set is a preset motion, and generating a target video, wherein the target video includes a slow-motion video clip, and wherein the slow-motion video clip includes video frames in the second video frame set.

The invention provides a ship video concentration and intelligent retrieval method and system based on edge nodes, and belongs to the technical field of edge computing, and the method comprises the steps: S1, collecting ship video data; s2, an edge node generates a concentrated video and metadata through an improved Gaussian mixture model, an improved DeepSORT algorithm and a dynamic concentration proportion adjustment algorithm; s3, synchronously concentrating the index information of the videos and the metadata by each edge node through a publishing-subscribing mode; s4, training a lightweight intelligent retrieval model through a knowledge distillation algorithm; s5, calling the lightweight intelligent retrieval model to match the corresponding concentrated video clip, and returning a retrieval result; and S6, collecting feedback information of the user on the retrieval result, and performing incremental optimization on the lightweight intelligent retrieval model through an elastic weight consolidation algorithm. According to the invention, efficient monitoring management is realized through edge localization processing, cross-node cooperation and closed-loop optimization architecture, and the actual requirements of ship safety monitoring and operation management are met.

A real-time badminton action detection system, consisting of: a video recording module configured to continuously record video images at a frame rate of at least thirty frames per second; a pose estimation processing unit configured to detect and output two-dimensional skeletal landmark coordinates for a variety of body joints, including at least wrists, elbows, shoulders, hips, knees and ankles, from each video frame; a Motion Bidirectional Encoder Representation Transformer (Motion-BERT) configured to receive sequential skeleton landmark coordinates over a defined time window and encode motion trajectories using multi-head self-attention mechanisms across past and future frames; and a classification controller module operationally coupled to the Motion-BERT, wherein the classification controller module comprises a dense neural network with a softmax output layer configured to generate real-time probability distributions over a variety of badminton-specific action classes, the end-to-end system being configured to produce recognition results with a processing latency of less than 100 milliseconds; and wherein the video recording module comprises a high-speed digital camera with a wide-angle lens positioned at a point on the perimeter of the court, the camera being calibrated with intrinsic and extrinsic parameters for perspective correction, and wherein the system includes a calibration routine that aligns detected skeletal landmarks with a reference badminton court coordinate system.

The invention relates to the technical field of vehicle-mounted electronic equipment, in particular to a dynamic pre-allocation storage method. The method comprises the following steps: acquiring a video recording parameter set and a capacity attribute set of an SD card, and determining a block strategy table; generating a pre-division structure set by using the block strategy table and a preset storage setting rule; based on a preset event triggering rule table, matching sensor data of a current input frame segment, identifying a trigger video event type, extracting a corresponding pre-divided structure block address through the pre-divided structure set, and generating a path index table; starting a sequential write-in control mechanism based on the path index table, counting the start-stop position of a write-in result set frame segment and the residual capacity of a block segment, and determining a write-in result set and a space state table; according to the method, a dynamic pre-allocation and sequential write-in mechanism based on event driving is introduced, so that the storage fragmentation degree is remarkably reduced, the write-in efficiency and the equipment durability are improved, and the storage integrity and the management controllability of important videos are enhanced.

The invention relates to a method (100) for providing an automobile data recorder playback function in an on-board display unit (50) by generating a visual resimulation from individual video recordings of a multi-camera system (60) of a vehicle (30), the method comprising the following steps: providing a plurality of video recorders (60); the step is performed by the vehicle data processing device (10): (101) providing video recordings of different cameras (61) of the multi-camera system (60), the video recordings being obtained from camera recordings of the environment of the cameras (61); providing (102) vehicle signal data, the vehicle signal data being specific for a state of the vehicle (30); (103) providing environmental model data, which is specifically for the modeling of the surroundings of the vehicle (30); (104) performing synchronous playback based on the provided environmental model data, the provided vehicle signal data and the provided video record; (105) generating a three-dimensional visual reconstruction model of the recorded environment based on the synchronized playback; a control for interactive transformation of the perspective of the generated three-dimensional visual reconstruction model is provided (106), the control being temporally coupled with the playback control.

The invention provides a video stream processing method and device, a vehicle and a storage medium, and relates to the technical field of automatic driving. The method comprises the following steps: encoding each initial video frame in a video stream by adopting a video encoder to obtain an encoded video frame corresponding to each initial video frame; determining a target frame number corresponding to each service type according to the sending frame rate corresponding to each service type and the initial frame rate corresponding to the video stream; based on the target frame number corresponding to each service type, determining a sending mode of sending the coded video frame to a video stream receiving module corresponding to each service type; and sending the coded video frame to a video stream receiving module corresponding to each service type based on the sending mode corresponding to each service type. Therefore, the resource usage amount of the video encoder can be reduced, and video recording requirements of different service types can be met.

The invention provides an automatic chemical reaction monitoring device and method. An automatic chemical reaction monitoring device comprises a chemical reaction unit, a temperature and pressure monitoring unit, a data processing unit, a video recording control unit and a synchronous clock unit, data are collected in real time through a high-precision temperature and pressure sensor, and a dynamic threshold value calculation module generates a self-adaptive threshold value based on a reference value and data fluctuation characteristics; the temperature and pressure combined trigger module identifies the jump characteristics and triggers video recording, and the synchronous clock unit realizes millisecond-level time synchronization of multi-source data. The method comprises the steps of reagent injection, temperature and pressure monitoring, dynamic threshold calculation, jump identification triggering, data synchronous recording and the like. The embodiment shows that the device can accurately capture transient temperature and pressure changes of the chemical reaction, the anti-interference capacity is remarkably improved compared with traditional fixed threshold triggering, and the device is suitable for chemical reaction mechanism research and industrial process control needing to monitor temperature and pressure coupling changes in real time.

The invention relates to the technical field of security and protection video monitoring, and discloses a video recording control method of a camera device, a controller, the camera device and a storage medium, and the method comprises the steps: determining whether a first region in a monitoring region of the camera device is triggered by a target event, and the first region is smaller than the monitoring region; and when it is determined that the first area is triggered by the target event, controlling the camera device to start recording the monitoring area. In this way, the endurance time of the camera device is prolonged.

This application provides a video processing method and a related apparatus, to perform scene analysis and scene transition analysis on a video recorded by a user, to delete an invalid segment from the recorded video, edit a plurality of highlight video segments from the recorded video, and fuse the plurality of highlight video segments into one highlight video. In this way, viewing experience of the video recorded by the user can be improved.

The utility model discloses a movable tracking video recording device capable of dynamically identifying a packing process, which relates to the technical field of packing monitoring and comprises a packing area, a stainless steel partition plate is fixedly mounted on the outer wall of the top of the rear side of the packing area, and packing boxes are uniformly arranged on the outer wall of the top of the packing area. According to the utility model, when a boxing person conveys a box body into a boxing area, the holder controller detects and starts the tracking camera through the portrait recognition port, and when the person moves, the driving motor drives the conveying belt to move, so that the whole tracking camera moves along with the movement of the person; the whole process is carried out in a wide-angle shooting range of the super-definition camera, images are synchronously transmitted to the electronic liquid crystal display, real-time playing and six-month storage are supported, problems existing in the boxing process can be found, arranged and processed in time, tracing support can be provided for problems such as boxing customer complaints, and the boxing efficiency is improved. And the production level and the recording efficiency are greatly improved.

The invention provides a multi-source video data robot skill learning method and system. According to the exercise skill text description, an example video collection module automatically collects example videos related to the skill and carries out data expansion to obtain exercise example video data; constructing and instantiating a virtual robot and a virtual camera, cooperating with a robot control strategy and a camera mirror operation strategy, combining an intelligent agent, and generating and recording robot motion video recording data; a video intelligent scoring model is constructed through a motion skill video scoring module, and a scoring result of robot motion video recording data is generated; and through an intelligent agent learning module, setting an award feedback collaborative optimization robot control strategy and a camera mirror-moving strategy of a neural network scoring model, and updating the award feedback collaborative optimization robot control strategy and the camera mirror-moving strategy to the intelligent agent.

A multifunctional strobe light that may be used with a forklift, and related methods, are disclosed. The multifunctional strobe light may have one or more cameras for video recording and determining whether the forklift is about to get into a collision. If the multifunctional strobe light determines that the forklift is about to get into a collision, then the strobe light may produce audible and / or visual warning signs to put the operator of the forklift and others around the forklift on notice. The multifunctional strobe light may be designed to video record the entire surrounding of the forklift and also recognize the type of nearby objects. The multifunctional strobe light may also determine whether the operator has completed pre-requisite tasks before operating the forklift.

The invention discloses a vehicle monitoring system based on a UWB signal and a vehicle, and the system comprises at least one UWB signal detector which is disposed on a vehicle body and is used for transmitting and receiving a UWB radio frequency signal; the UWB signal processor is used for analyzing the received UWB radio-frequency signal so as to obtain monitoring data reflecting the condition of the target object; the vehicle video monitoring system comprises at least one video recording system; and the system controller is in communication connection with the UWB signal processor and the video recording system, and the system controller is used for generating a control signal according to the monitoring data so as to control the video recording system to be in a working or dormant state. The vehicle monitoring system can automatically control the starting or dormancy of the video recording system according to the condition of the target object around the vehicle, the power consumption of the system can be greatly reduced, the cruising ability of the vehicle is improved, meanwhile, it is ensured that key image information can be captured at a key moment, and organic combination of high efficiency, intelligence and practicability is achieved.

The invention is suitable for the technical field of charging parking space management, and provides a parking space occupation prevention method and system, and the method comprises the steps: obtaining an activity video record of a designated place where a charging region belongs when the remaining charging time of a new energy vehicle of a target user in the charging region is lower than a first preset threshold value; and analyzing the activity video record, determining the current activity area of the target user, and screening out a plurality of historical local videos of the target user returning from the current activity area to the charging area. The load change of the target user and the remaining charging time of the new energy vehicle are monitored in real time, the historical activity video data and the preset load reference model are combined, accurate prediction of the return time of the user is achieved, then the vehicle moving instruction is sent to the user before charging is completed, and the charging parking space is prevented from being occupied.

The invention provides a video recording method, a video recording device and electronic equipment. According to the method, whether the impact emission event occurs is determined through the sensor in the aiming emission equipment, and when it is determined that the impact emission event occurs, the current video frame rate of the video device in the aiming emission equipment is not the target frame rate required by the impact emission event, the current video frame rate of the video device is adjusted to be the target frame rate; the video recording device carries out video recording according to the target frame rate; and when the current video frame rate of the video recording device in the aiming emission equipment is the target frame rate required by the impact emission event, maintaining the video recording device to continue to carry out video recording according to the target frame rate, and under the condition of determining that the impact emission event occurs, adjusting the current video frame rate according to the relationship between the current video frame rate and the target frame rate so as to improve the video recording efficiency. And the power consumption is reduced under the condition of ensuring the video definition.

The invention belongs to the technical field of education data management, and particularly discloses an intelligent recording and broadcasting management method for education courses, which comprises the following steps of: acquiring multi-modal data in real time through a multi-sensor group, and comprehensively capturing teaching actions of teachers, limb actions of students, speech audios and running states of teaching equipment; further comparing the feature combination with a pre-stored template feature combination to identify different teaching stages; recording modes are automatically switched according to the identified teaching stage, a main and auxiliary picture polling switching rule is established, and videos recorded at different camera positions are integrated into a composite video with synchronous main and auxiliary pictures; key teaching links of teaching videos are automatically identified, index tags are established, the videos are classified and stored in combination with a preset classification rule, and accordingly video contents meeting user requirements are pushed to different users. Structured management and rapid retrieval of recorded and broadcast video content are realized, and personalized service and utilization efficiency of teaching resources are enhanced.

The invention relates to the technical field of electronic contract signing, in particular to an electronic contract signing method and system for video recording willingness authentication, and the method comprises the steps: associating a contract with signing party information through generating a unique task identifier, automatically triggering video recording in a signing link, and completing identity verification in advance; then multi-dimensional information including biological characteristics, willingness statement audio and a signing operation process is synchronously collected in the continuous recording process, finally, characteristic values of a recorded file and a contract file are calculated respectively, and the characteristic values, digital signatures and task identifiers are fused and stored in a tamper-proof mode. The real-time and strong association binding of the video evidence and the electronic contract on the data level is realized, the traceability, tampering prevention, completeness and credibility of the whole signing process are ensured, and the technical problems that in the prior art, the audio-visual evidence and the electronic contract are mutually independent, loose in association and easy to tamper, and a complete evidence chain with judicial proving power is difficult to form are effectively solved.

A video recording apparatus includes a camera, a motion detection controller, and a main controller. The camera performs a video recording function of an outside of a vehicle. The motion detection controller obtains sensing data in a digital format at specific intervals based on a reception signal of radar, determines signal strength of the reception signal based on the obtained sensing data, determines target data when the signal strength is greater than or equal to a threshold strength, and outputs an activation signal when a number of the target data is greater than or equal to a first threshold value, where the main controller activates the camera upon receiving the activation signal.

A system is provided that detects a start of a camera session, captures initial raw data frames and stores them in memory. Upon determining that the camera session corresponds to a video recording session, the system activates a video recording pipeline and upon determining that the video recording pipeline is active, the system retrieves the initial raw data frames, encodes the initial raw data frames using the video recording pipeline, accesses additional captured raw data frames, and encodes the additional captured raw data frames using the video recording pipeline until detection of an end of the camera session. Upon detecting an end of the camera session, the system deactivates the video recording pipeline.

The utility model discloses an anti-theft low-voltage power distribution cabinet, which relates to the technical field of electrical cabinets and comprises a power distribution cabinet box body, the power distribution cabinet box body is arranged to be of a vertical cabinet body structure, a power distribution bin is arranged on the front end face of the power distribution cabinet box body, and a plurality of circuits and a plurality of electronic elements connected with the circuits are installed in the power distribution bin. An intelligent video camera is arranged in the power distribution cabinet box body, and a GPS positioner is arranged at the lower left corner of the inner wall of the power distribution bin. According to the utility model, the intelligent video camera is arranged in the power distribution cabinet box body, and the intelligent video camera is arranged at the lower left corner of the inner wall of the power distribution cabin; illegal invasion and illegal behaviors of lawbreakers are shot and recorded through the intelligent video recording camera, a certificate is reserved for theft behaviors of the lawbreakers, and the anti-theft performance of the power distribution cabinet box body is improved.

The invention provides an interrogation record and audio and video recording linkage method and system, and belongs to the technical field of information processing, and the method comprises the steps: obtaining interrogation record text data and segmented video recording data, and respectively labeling category labels; performing semantic extraction on the record text data to obtain semantic feature information, and converting the feature information into text semantic feature vectors; frame extraction is carried out on the video data, image features of each frame of the video data are extracted, similarity screening is carried out, and the image features are converted into key frame semantic feature vectors; constructing a cross-modal embedding space model, respectively encoding the text semantic feature vector and the key frame semantic feature vector of the category label through two encoders, then splicing and fusing to obtain a fused feature vector, converting and mapping the fused feature vector into a sharing layer, completing feature association of the record text data and the segmented video recording data, and obtaining the segmented video recording data. And subsequently, cross-modal search is carried out. According to the method, cross-modal information association is realized through association of the semantic feature vectors of the record and video recording information, and a basis is provided for subsequent rapid calling, research and judgment.

The intelligent badminton court comprises a standard badminton court and a net rack located in the middle of the standard badminton court, the net rack comprises an intelligent net post for supporting a badminton net, and the intelligent net post comprises an intelligent control platform at the bottom, a supporting rod located on the intelligent control platform and an identification recording module located at the top of the supporting rod; the recognition and recording module can track and record the movement trace of the badminton and is connected with the signal end and the control end of the intelligent control platform, and the recognition and recording module transmits video signals to the intelligent control platform and receives control signals of the intelligent control platform. The problem that existing shuttlecock real-time perception and interaction are difficult to apply to daily playing scenes is solved, and the method can be widely applied to sports venues.

The invention provides a vehicle fuel oil anti-theft monitoring system and method and an engineering vehicle. The system comprises a low-power-consumption control subsystem and a high-power-consumption control subsystem which are connected with each other, an infrared sensor and a radar sensor which are connected with the low-power-consumption control subsystem, and a camera which is connected with the high-power-consumption control subsystem. The low-power-consumption control subsystem is used for monitoring a battery voltage value and a sentry mode state of the vehicle, monitoring each sensor in real time when a monitoring result meets a preset condition, and sending a high-level signal to the high-power-consumption control subsystem when a signal of the sensor is changed; and the high-power-consumption control subsystem is used for starting a camera to carry out video recording and generate a target video according to the high-level signal, and generating a power-off instruction and sending the power-off instruction to the low-power-consumption control subsystem when the duration of video recording meets a preset duration, so that the low-power-consumption control subsystem carries out power-off processing on the high-power-consumption control subsystem. The monitoring accuracy is improved, and the system power consumption is reduced.

The invention relates to the technical field of security and protection video, and particularly provides a video encryption method, a video playing method and related devices based on a quantum technology. On one hand, the camera device obtains a first original session key according to a randomly generated session ID, and encrypts a video audio and video stream by using the first original session key. Therefore, the randomness of the first original session key can be increased by increasing the randomness of the session ID, so that the cracking difficulty of the audio and video streams can be improved, and the data security is further improved. And on the other hand, the camera device can determine the first target charging key in the plurality of charging keys pre-charged in the quantum security TF card through the first target key index issued by the quantum security service platform. Therefore, the charging key is not directly transmitted through the Internet, the leakage risk of the charging key is reduced, the leakage risk of the session ID and the first original session key is further reduced, and the data security can be improved.

The invention relates to a children digital picture book reading system and method based on immersive interaction, and the system comprises a projection module, an interaction module, a voice playing module, a voice conversation module, a video record synthesis module, an intelligent evaluation module, and a digital resource module. The original picture book content of the digital resource module is projected to the wall surface and the ground through the projection module to create an immersive digital picture book reading scene; the child interacts with the original picture book content of the digital resource module in real time through the interaction module, the voice playing module and the voice dialogue module; the video recording and synthesizing module is used for creating an immersive story telling scene for children and recording story telling audios and videos of the children; and the intelligent evaluation module receives the audio and the video transmitted by the video record synthesis module, and outputs an evaluation report through intelligent analysis. The problems that in the prior art, a game form and an interaction form are single, an immersive reading scene and an intelligent evaluation system are lacked, and continuous reading interest and language ability development of children are not facilitated are solved.

The invention relates to a recorded video authenticity detection system and method, and belongs to the technical field of video detection, and the system comprises a client or a front end which is used for obtaining key frame feature setting sent by a back-end server, determining a key frame based on the key frame feature setting and carrying out feature noise injection in a video recording process, after the video recording is finished, the recorded video is packaged, and the packaged video is sent to a back-end server; wherein the key frame feature setting comprises a feature vector setting mode, and the feature vector setting mode comprises a static setting mode and a dynamic setting mode; and the back-end server is used for receiving the packaged video sent by the client or the front end and verifying the packaged video to obtain a verification result, and the verification result comprises a real recorded video or an unreal recorded video. According to the system, the video recorded by the client can be efficiently verified, and the verification accuracy is improved.

The invention relates to the technical field of intelligent security and protection, and discloses an intelligent security and protection system based on AI face recognition, which comprises the following modules: an image acquisition module used for acquiring image information recorded at a camera of current security and protection equipment, a face detection and recognition module used for carrying out portrait feature recognition, and a face recognition module used for carrying out face recognition. The system comprises a portrait recognition module, an image acquisition module, an accompanying movement module, a data storage and management module, a human face recognition module, an accompanying movement module, a human face recognition module and an accompanying movement management module, wherein the accompanying movement module controls a video recording device in the image acquisition module to move horizontally and vertically; the face recognition module is used for establishing, managing and storing a database of face data. According to the invention, through the built accompanying moving module, when it is detected that there is an abnormal person in the current area, the AI controls the accompanying driving module to drive the image recording device to carry out accompanying movement of the angle and the recording position along with the movement track of the abnormal person, so that the complete abnormal behavior of the abnormal person can be traced more comprehensively.

A sensing device, a holster sensing system and a video recording system, the sensing device comprising a control unit and a sensing module, the sensing module comprising a reference coil assembly and an induction coil assembly arranged in a stacked structure, the sensing device being fixable on a holster and making the induction coil assembly in the sensing module close to the holster, the control unit can judge whether a gun exists in the holster or not according to the change of an inductance value between an induction value generated by the induction coil assembly and a reference level provided by the reference coil assembly. In the application of the video recording system, it is judged that the gun is pulled out of the holster according to the change of the inductance value, and the control unit sends a trigger signal to the video recording device to enable the video recording device to start video recording.