280 results about "Video record" patented technology

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 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 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.

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 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 embodiment of the invention discloses wearable equipment and an article searching method. The method comprises the following steps: acquiring a video recorded by an image collector; key frames in the video are input into an image-text understanding large model, position information of the key article is obtained, the position information comprises a relative position relation between the key article and a first article, and the first article comprises articles except the key article; storing the position information of the key article in a storage list; after an instruction of searching for the first key article input by a user is received, position information of the first key article is obtained from the storage list; and generating prompt voice based on the position information of the first key article, and controlling a loudspeaker to play the prompt voice. According to the application, the image collector of the wearable device records the video and the image-text in real time to understand the recognition capability of the large model on the video image, the related position relationship between the required article and other articles can be recognized and stored, and the position relationship can help a user to quickly search for various daily life articles.

This application discloses a video generation method, a video generation device, an electronic device, and a storage medium, belonging to the field of video processing technology. The video generation method includes: during video recording, when a target object is included in a video recording interface, generating a video index, the video index being associated with the moment when the target object appears in the video; after recording is completed, obtaining a first video; and generating a target video based on the first video and the video index.

The present invention addresses the problem of making it difficult to synchronize image frames of a plurality of conventional high-speed cameras. A synchronous camera device configured from a plurality of high-speed cameras according to the present invention comprises: a plurality of high-speed cameras each having an imaging unit, a video recording memory, a video recording unit, and a system control unit, the imaging unit sequentially capturing an image to be a target at a set exposure timing; a recording unit that records a predetermined image captured by the imaging unit in the recording memory as an image frame of digital data by inputting a trigger signal, and a system control unit that has a timer and performs various calculations; and a synchronization signal setting means that sets a synchronization signal for each of the high-speed cameras and transmits the set synchronization signal to each of the high-speed cameras. The synchronization signal is a trigger moment. In addition, the synchronization signal is a serial number matching time and a trigger serial number.

1. The name of the design product: the operation display part of the graphical user interface of the video recording of the electronic device. 2. The use of the design product: an electronic device. 3. The design points of the design product: the part of the graphical user interface requested protection. 4. The picture or photo that best shows the design points: design 1 front view. 5. The use of the graphical user interface: the whole interface is the graphical user interface for video recording. The local use of the interface is: when the user starts the video recording program, the upper left corner of each design interface displays a round button indicating that the video is being recorded, and the length of the video recording is displayed in the upper elliptical time recording bar of the interface recording picture. For design 1, the user can control the zoom of the video picture by sliding the round button on the zoom control bar on the right side of the interface up and down; for design 2, the user can control the zoom of the video picture by sliding the round button on the zoom control bar at the bottom of the interface left and right. 6. Other circumstances that need to be explained: the dotted line part in the figure is not requested protection. 7. The specified basic design: design 1.

An automatic video production device that performs fitting or fusion processing of a predetermined child video object that is not included in a parent video into a predetermined video scene of the parent video content as a video fusion source, the automatic video production device including a video content interpreting unit that interprets the entirety or a part of the video content of the parent video content, or divides the parent video content into a predetermined parent video scene to generate processing data that is predetermined parent video interpretation data obtained by converting a content interpretation result of the parent video or a division result of the parent video scene into data in a predetermined description format.

The present disclosure relates to a video recording method and device in a virtual scene, a storage medium and an electronic device, and relates to the technical field of computers. The method comprises: controlling a first virtual camera to collect first picture data of the virtual scene under a camera view angle; and controlling an audio engine to perform spatialization processing on an original audio signal triggered by a sound-emitting body based on first pose information of the first virtual camera and second pose information of the sound-emitting body in the virtual scene, to obtain first audio data, and combining the first audio data and the first picture data to obtain a first recording video. In this way, the sound and the picture in the first recording video are matched, which conforms to the video recording in a real situation and greatly increases the authenticity of the video recorded in the virtual scene.

The invention discloses a binocular vision detection method, system and equipment for an elevator buffer and a medium, and particularly relates to the field of elevator buffer detection. The binocular vision detection method for the elevator buffer comprises the steps that audio and video recording data of a no-load elevator in the buffer detection process are obtained, and the recording duration of the audio and video recording data at least comprises the whole process before the buffer is compressed, the whole process when the buffer is compressed and the whole process when a lift car leaves the buffer; generating three-dimensional models of the buffer at different moments based on the audio and video recording data; comparing the three-dimensional model of the buffer at the critical moment with a buffer initial model in a preset database, and generating difference data; and generating a detection result of the buffer based on the difference data. The method can accurately and effectively judge, confirm and measure the damage (such as obvious inclination, fracture, plastic deformation, peeling, damage and the like) which has adverse effects on normal use of the elevator, and the actual detection precision is greatly improved.

The invention relates to the technical field of ammunition cook-off tests, and particularly discloses a rapid cook-off test device and method.The device comprises a supporting frame, an oil pool, a lifting appliance, a thermocouple, a speed measuring target, a verification plate, a pressure sensor, a video recording device, a temperature recorder and the like. The oil pool is arranged below the supporting frame, the hanger hangs the test bomb above the oil pool, the thermocouple surrounds the test bomb, the speed measuring target and the verification plate are arranged in front of and behind the test bomb respectively, and the pressure sensor is arranged on the side face. The method comprises the steps of inspection before test, equipment installation, verification plate arrangement, sensor installation, equipment debugging, test bomb fixing, water injection and oil injection, remote ignition, observation and recording, field investigation, photographing and recording, unreacted test bomb destroying and the like. The rapid cook-off environment can be accurately simulated, the temperature change of the test bomb can be comprehensively monitored, key parameters can be comprehensively and accurately measured, reliable data can be provided for test bomb performance evaluation, and the test is safe and reliable.

The invention relates to the technical field of artificial intelligence, in particular to an action detection method and equipment based on a multi-modal large model. Acquiring an inspection video recording the inspection process of the on-duty personnel, pre-inspecting the inspection video based on a time sequence action detection model, determining a first probability value of a target action existing in a video segment corresponding to each prediction time range, and determining a second probability value of the target action existing in a video segment corresponding to each prediction time range for each prediction time range; and if the first probability value corresponding to the prediction time range does not meet the preset threshold requirement, detecting a video segment corresponding to the prediction time range based on a multi-modal large model to obtain a detection result used for describing a target action existing in the corresponding video segment, the problems of low accuracy and low efficiency of traditional manual quality inspection are effectively solved, and the accuracy of action detection is improved by utilizing a multi-modal large model secondary judgment mode.

A method, computer program product, and computing system for generating, via a video recording subsystem of an ACI calibration platform, a three-dimensional model of at least a portion of a three-dimensional space containing an ACI system; and generating, via an audio generation subsystem of the ACI calibration platform, one or more audio calibration signals for receipt by an audio recording system included within the ACI system.

The system according to this embodiment aims to automate the creation of business records and reduce the burden on the user. [Solution] The system according to the embodiment comprises a recording unit, a capture unit, a recognition unit, a documentation unit, a summarization unit, and a record creation unit. The recording unit records video. The capture unit captures the video recorded by the recording unit at regular intervals. The recognition unit performs face recognition based on the video captured by the capture unit. The documentation unit documents the situation based on the information recognized by the recognition unit. The summarization unit summarizes the information documented by the documentation unit. The record creation unit automatically creates a business record based on the information summarized by the summarization unit.

The invention provides an asynchronous task scheduling method, system and device and a storage medium, which can be applied to a video recording technology in the fields of financial science and technology and medical health old-age care businesses, and the method comprises the following steps: receiving at least one asynchronous task request to be executed; packaging the asynchronous task request to generate a corresponding entity task object; determining a task category of the entity task object, and querying whether a task in execution exists in an execution queue corresponding to the task category; when the task in execution exists, temporary data generated in the execution process of the task in execution is reserved, the task in execution in the task queue is marked as an invalid state, and the execution queue is emptied; according to the embodiment of the invention, the currently generated entity task object is marked as the valid state and then moved into the execution queue, and the entity task object marked as the valid state is executed, so that the execution task in the invalid state is discarded in time, the accurate execution of the current task request is ensured, and the task execution conflict caused by continuous resource occupation of the invalid task is avoided.

Disclosed in the present application are a video recording processing method and apparatus, and an electronic device and a computer storage medium, which are used for improving the efficiency of video recording processing. The method comprises: in response to a first control instruction from a user, a device-side terminal determining a target video recording mode; in response to a second control instruction from the user, starting video recording in the target video recording mode; in response to a third control instruction from the user, generating a highlight video tag for marking a highlight moment in a video recording; and in response to a fourth control instruction from the user, stopping the video recording, and sending to a system-side terminal the video recording and the video tag carried by the video recording. The method further comprises: the system-side terminal acquiring the video recording and the video tag carried by the video recording, that are sent by the device-side terminal; displaying a video recording selection page, wherein the video recording selection page comprises first historical video recordings captured by the device-side terminal within a preset time period; and in response to a first trigger operation inputted by the user on the basis of the video recording selection page, generating a first initial video on the basis of the first historical video recordings and a video tag carried by each video recording among the first historical video recordings.

The utility model relates to the related technical field of unmanned aerial vehicles, in particular to a data connection structure of an unmanned aerial vehicle, which comprises a landing frame, one side surface of the landing frame is fixedly connected with video equipment, one side surface of the video equipment is fixedly connected with a mounting base, and one side surface of the mounting base is provided with a data acquisition mechanism. According to the data connection structure of the unmanned aerial vehicle, through arrangement of the collection mechanism, the problem that a collection plate of an existing device is inconvenient to mount and dismount is solved, rapid mounting and dismounting are achieved to meet the continuous working requirement, the equipment use efficiency is improved, meanwhile, a flight data plug coincides with the central axis of an interface, and stable transmission of video data is guaranteed; by removing an acquisition mechanism composed of a pull rod, a sliding groove, an installation mother piece, a clamping reed and the like, the problems that an acquisition plate of an existing device is difficult to dismantle and parts are prone to being damaged are solved, dismantling operation is more stable and smoother, and equipment maintenance is facilitated.

The invention provides a full-time video recording low-power-consumption battery camera and a working method thereof. The camera comprises a main control chip; the main control chip comprises an RTC module used for timed sleep wake-up control. The main control chip internally comprises a DDR module for temporarily storing full-time recorded videos; a carried camera; a microphone and a loudspeaker which are mounted; the carried 4G / 5G mobile communication module is used for data transmission between the camera and a cloud server and communication support for interaction between the camera and a video monitoring APP; the carried single-chip microcomputer MCU is used for controlling power supply of the main control chip, performing information interaction with the main control chip and detecting the state of the camera peripheral module, and the state comprises voltameter low-power interruption detection, battery charging state, USB power supply insertion detection, ADC detection, control of operation of the 4G / 5G mobile communication module and information interaction; and the carried SD card is used for local storage of recorded videos and audios. The method is applicable to the camera.

The invention relates to the technical field of portable video recording instruments, and discloses a self-media mobile recording device which comprises a hollow block, the upper surface of the hollow block is fixedly connected with a connecting ball, the top of the outer surface of the connecting ball is movably sleeved with a hemispherical sleeve, and the top end of the hemispherical sleeve is fixedly connected with a circular plate. The left side of the lower surface of the circular plate is fixedly connected with two connecting plates. By arranging a connecting ball, a hemispherical sleeve, a connecting plate, a driving round rod and a toothed plate, when a first motor starts to operate, a round shaft and a gear start to rotate, due to the fact that the gear and the toothed plate are meshed with each other, the toothed plate, a telescopic plate and the driving round rod all start to move upwards under driving of the gear, and the driving round rod moves to drive the connecting plate; therefore, the connecting plate and the circular plate integrally start to rotate by taking the top end of the connecting ball as an axis, so that the function of adjusting the video pitching angle of the video recorder is realized.

The system according to the embodiment comprises a recording unit, a transmission unit, an analysis unit, and a notification unit. The recording unit records video of a user wearing a wearable camera. The transmission unit transmits the video recorded by the recording unit to a cloud server. The analysis unit analyzes the video transmitted by the transmission unit and detects abnormal behavior or dangerous situations. The notification unit notifies the user's family or related parties of abnormalities or dangerous situations detected by the analysis unit.

A method for controlling a vehicle video recording device includes a step of transmitting a command to a lamp controller to operate a lamp in a case where an impact is predicted or an impact is sensed based on information sensed from a motion sensor and / or an impact sensor.