501 results about "Movement detection" patented technology

The invention provides an image processing method and device and electronic equipment, and the method comprises the steps: obtaining a continuous frame image, carrying out the motion detection of the continuous frame image, obtaining each motion region in the continuous frame image and the speed of each motion region, determining the target type of each motion region through semantic recognition, determining a priority corresponding to each motion area according to the speed and the target type of each motion area, and performing perception recognition on the motion areas with different priorities by adopting corresponding perception strategies to obtain a perception result; according to the method, perception identification is focused on a dynamic area and differentiated processing is carried out, a large amount of redundant calculation in a static or non-key area is effectively avoided, system calculation resources are saved, hardware loads are reduced, key targets can be ensured to be preferential, the real-time performance and response speed of the system are improved, and vehicle driving safety is ensured.

The invention discloses a wearable knee joint self-powered sensing system and a use method, relates to the technical field of motion monitoring, and solves the technical problem that a motion detection sensor integrating light weight and a self-powered mode is lacked in the prior art. The motor comprises a stator part and a rotor part which are rotationally arranged, a center shaft penetrating through the stator part is arranged on the rotor part, and the stator part and the rotor part are rotationally connected through the center shaft; and a motion state monitoring module and a self-powered module are sequentially and coaxially arranged at the connecting part of the stator part and the rotor part, so that the rotation angle and direction of the knee joint are accurately detected, and key data support is provided for subsequent motion analysis and health monitoring.

The invention discloses a movement detection and feedback intervention system for obese patients, and relates to the technical field of movement intervention for obese patients, the system comprises a data acquisition module, a personalized movement scheme generation module, a movement monitoring module and an interaction module; according to the method, artificial intelligence and big data analysis technologies are deeply fused, multivariate data of a patient is comprehensively and accurately collected, a personalized exercise scheme meeting individual requirements can be generated, the pertinence of the exercise scheme is improved, and during exercise monitoring, the multi-modal data fusion technology is applied, so that the accuracy of exercise monitoring is improved. Various physiological parameters and exercise environment data of a patient are collected in an omnibearing mode, the state of the patient is accurately controlled in real time, once monitoring data deviates from a preset target, parameters such as exercise items, strength, time and frequency in an exercise scheme can be rapidly and dynamically adjusted according to a real-time deviation correction algorithm, the safety of the exercise process is practically guaranteed, and the exercise efficiency is improved. The goal of losing weight is effectively promoted.

An audio device comprising, an interface, one or more first output transducers, one or more input transducers, and a processor. The audio device is configured to emit a first ultrasound signal, receive a first reflection indicative of the first ultrasound signal, process the first reflection to determine movement, and in response to movement being determined, adjust one or more audio processing parameters of the audio device.

The invention discloses a high-voltage vacuum circuit breaker contact motion detection method and system based on an inversion model, and the method comprises the steps: firstly designing a dual-position speed sensor collection unit for collecting speed signals of different positions and different characteristics, and achieving the mutual triggering; based on an inversion model, a programmable logic component and a CPU are adopted for result operation and logic inversion and correction, a rotation angular velocity curve is obtained, and the accurate motion state is obtained through comparison; according to the method, the stroke characteristic curve in the arc extinguish chamber of the high-voltage vacuum circuit breaker can be accurately reflected, mutual conversion of angular velocity and linear velocity at different positions can be realized based on the thought of an inversion model, and finally effective data which can be analyzed and judged can be output for system application.

A device for detecting the movement of part of a user's body and / or the approach of a portable user device. The device placed on board a motor vehicle. The device includes: a near field communication antenna having a resonance frequency between 3 and 30 MHz, including at least one continuous winding in the form of at least two sets of strips, each having different variable capacitance and different sensitivity, connected in parallel with the antenna. The antenna generating a different variation of impedance on the approach of part of a user's body towards the first or second set; a device measures a variation of impedance of the antenna. The device has a high series resonance frequency and detects the approach of a portable user device or movement of the body part taking place consecutively in front of the first and then in front of the second set of strips.

The invention comprises a method for controlling a mobile service robot for monitoring the movements of a person, comprising identifying the person, associating the identified person with a stored monitoring profile, capturing the person's movements by means of a motion detection sensor, generating observation points for the captured person, evaluating the captured movements of the person, retrieving position data as coordinates of a map, and automatically outputting information to the captured and identified person via an output unit of the mobile service robot.

The invention belongs to the technical field of motion detection of piezoelectric driving elements, and particularly relates to a stroke detection device of a threaded motor, which comprises a rotary part, a shell assembly, a driving part, a driving part, a driving part, a driving part, a driving part and a driving part, and is characterized in that the rotary part is coaxially arranged with a screw rod and is in circumferential rotation and axial fixed connection with the shell assembly; the magnetic transmission mechanism is arranged between the rotating part and the screw rod, and the magnetic transmission mechanism is configured to enable the rotating part to synchronously rotate along with the screw rod under the condition that the rotating part is not in contact with the screw rod; the coding ring is coaxially and fixedly arranged relative to the rotating part; and the reading head is fixedly arranged on the shell assembly and is arranged opposite to the coding ring. According to the invention, the problems of complex structure, high installation precision requirement, friction loss and the like caused by axial movement of the traditional coding disc along with the screw rod are effectively solved; therefore, the mechanical structure is simplified, the manufacturing cost is reduced, energy loss caused by transmission friction is avoided, and the motion control precision and the overall working performance of the thread piezoelectric motor are remarkably improved.

In various embodiments, a computer-implemented method comprises detecting that a speaker unit has moved to a first location, determining, based on positioning information associated with the speaker unit, a position and an orientation of the speaker unit relative to a target listening area, filtering, using a filter determined based on the position and the orientation, an input audio signal to generate a filtered audio signal, and outputting the filtered audio signal using one or more loudspeakers.

The utility model discloses a pallet flattening detection structure, which comprises a base, the top of the base is fixedly connected with a detection frame, the base is provided with a rotating mechanism, the top of the detection frame is provided with a first mounting hole, the top of the detection frame is provided with a detection mechanism, the side wall of the detection frame is fixedly connected with a connecting block, and the connecting block is provided with a second mounting hole. A guide cylinder is fixedly connected to the tail end of the connecting block, a guide block is inserted into the guide cylinder, a protruding block and a wheel frame are fixedly connected to the top end and the bottom end of the guide block correspondingly, a flattening wheel is installed in the wheel frame, threaded pipes are fixedly connected to the four corners of the top of the base correspondingly, and leveling assemblies are installed in the threaded pipes. According to the utility model, the flatness of each position on the surface of the tray can be detected, the position of the detection mechanism or the tray does not need to be manually moved, the detection structure can be leveled to ensure that the detection structure is horizontally placed, and related detection parts are detachable, so that regular maintenance and replacement are facilitated.

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 utility model relates to the technical field of fitness equipment, in particular to a motion detection device applied to the fitness equipment, which can acquire the acting condition and the weight of a counter weight in the motion process. Comprising a weight bearing module, a distance detection module and a control electronic watch, the weight bearing module comprises a movable rod, a balancing weight and a plug pin, a user selectively inserts the plug pin into the balancing weight according to exercise requirements, and the user drives the movable rod and the balancing weight to vertically move upwards for exercise; specifically, the distance detection module selects a gyroscope or a pull box to detect the movement distance and the movement speed of the movable rod, and the movement distance and the movement speed are displayed by controlling an electronic watch; the control electronic meter is electrically connected with the bolt and displays the total weight of the corresponding balancing weight according to the magnitude of the passing current; and the user can intuitively obtain own motion parameters.

A system and method for analyzing the swing motion of sporting equipment, for example, a golf club, including at least one or more inertial acceleration sensors, one or more gyrometric sensors, a data acquiring unit, a core micro-controller, and a Bluetooth radio. The motion detecting unit detects at least one motion of the swing. Particularly, the sensors and data acquiring unit calculates swing information using the acquired detection data to match a user's swing motion to optimized equipment. Particularly, the data acquiring unit acquires detection data from the sensor(s) and forwards such data to a computing device or server having stored information that matches the swing motion to an optimized swing device.

The invention discloses a table tennis motion detection system based on pure visual perception. The table tennis motion detection system comprises a table tennis detection and event monitoring module, a human body-racket posture estimation module and a time sequence action recognition and quality evaluation module. The table tennis ball detection and event monitoring module is based on an improved DTTNet model and realizes table tennis ball track detection and event identification such as table touching, net touching and net passing through through multi-frame video stack and deformable convolution; the human body-racket posture estimation module adopts a lightweight detection network and high-resolution posture estimation network combined reasoning structure, outputs human body key point and racket three key point coordinates, and constructs a human body-racket combined kinematics model; the time sequence action recognition and quality evaluation module fuses multi-view video and posture features, classification and quality evaluation of table tennis technical actions are achieved through time sequence boundary matching and multi-scale feature analysis, the table tennis technical action recognition and quality evaluation system has the advantages of being high in detection precision and high in real-time performance, and automatic recognition and quantitative evaluation of table tennis movement can be achieved.

Technical solutions for diagnosing a sensor fault in an actuator incorporating a permanent magnet direct current (PMDC) motor are described, including: measuring, by means of a position sensor, the position of the PMDC motor; determining, based on the measured position, an estimated motor speed; measuring, by means of a current sensor, the current in the PMDC motor; determining, based on the measured current in the PMDC motor, a voltage command for the PMDC motor; determining, based on the measured current and the voltage command and using a motor speed observer, an observed speed of the PMDC motor; determining a differential speed as the difference between the estimated motor speed and the observed speed; determining, based on the differential speed, the sensor fault; and performing an action in response to the determination of the sensor fault.

A system for monitoring and responding to medical emergencies in high-humidity environments includes a processor, a memory storing computer-executable instructions, and a sensor array comprising motion detection, fall detection, and vital signs monitoring. The sensor array includes a steam-adaptive calibration configured to adjust detection thresholds based on vapor density and humidity levels. A privacy-preserving architecture processes non-identifiable inputs such as motion signatures, radar signals, or acoustic triggers without storing visual or audio recordings. When inactivity, collapse, or absence of respiration is detected for a predefined threshold period, the privacy-preserving architecture initiates a first notification to staff interface and response tools. If the first notification is not acknowledged within a predetermined escalation period, a secondary notification is transmitted. The system operates in real time to provide emergency alerts while preserving occupant privacy.

The invention relates to the field of downhill support deformation monitoring, in particular to a return air downhill support deformation monitoring method and system, which comprises a sensing acquisition module, a support movement detection module, a top plate displacement monitoring module, an interaction judgment module and the like. The sensing acquisition module is reasonably provided with various sensors on a top plate and a supporting device to acquire data such as displacement, stress, strain and inclination angle; the support movement detection module analyzes support movement data and divides risk grades according to a set triggering mechanism; the roof displacement monitoring module analyzes roof displacement and stress data and determines a potential risk state and a regional risk level; the interaction judgment module is used for triggering corresponding instruction processing according to a support and regional risk grade matching secret order; according to the method, multiple data are creatively integrated to calculate risk indexes, accurate risk assessment and intelligent processing are realized, the mine return air downhill support safety is effectively guaranteed, and the safety management efficiency is improved.

The invention discloses a multi-target tracking method and related equipment, and the method comprises the steps: carrying out the target detection of a current frame, outputting a corresponding target detection frame result, carrying out the state transition operation through a target motion dynamics model, and generating a motion prediction frame corresponding to each potential target object in the current frame; based on the confidence of a target detection frame contained in the detection frame information, according to the target detection frame and the motion detection frame, generating a corresponding cost matrix, the cost matrix being a generalized symmetric intersection-to-union ratio or a symmetric overlapping score; and inputting the cost matrix into a Hungary matching system, generating an identity label corresponding to the target detection frame, and carrying out association matching on the identity label and the current activation track. According to the embodiment of the invention, the multi-target tracking processing efficiency can be improved, and the robustness, precision and application value of a multi-target tracking system in a complex dynamic environment can be remarkably improved. The method can be widely applied to the technical field of computer vision tracking.

The invention discloses a wall detection device for architectural design, and relates to the technical field of wall detection, the wall detection device comprises a detection main frame body, a first motor and a second motor are symmetrically mounted on the upper surface of the bottom of the detection main frame body, and output shafts of the first motor and the second motor are fixedly connected with a lifting mechanism; the wall detection device for architectural design further comprises a pressure gauge and three contact wheels which are arranged in an arc shape to form an integral contact surface, the transverse moving mechanism is linked with the lifting mechanism to perform multi-area detection on the wall, and when the pressure adjusting mechanism performs movement detection in the vertical and horizontal directions, the pressure adjusting mechanism can adjust the pressure in the vertical and horizontal directions. The abutting wheels conduct abutting type elastic pressure self-adjustment on the radian of the wall and feed pressure elasticity back to the pressure gauge, the auxiliary deformation mechanism is matched with the radian through elastic deformation of the center and the abutting wheels on the two sides, and the comprehensive pressure of the abutting wheels on the wall is transmitted to the pressure gauge. The multi-dimensional cooperative detection optimization effect of a mechanical structure, pressure feedback and motion control is achieved.

A utility vehicle for moving a material comprising a frame including a first motion detection apparatus, a work tool movably coupled with an arm, where the arm is movably coupled with the frame, a second motion detection apparatus coupled with the work tool, a vibration apparatus coupled with the work tool, and a controller in communication with the motion detection apparatus and the vibration apparatus, wherein the controller includes a processor and a memory having a work tool vibration algorithm stored thereon, wherein the processor is operatable to execute the work tool vibration algorithm to receive motion data from the motion detection apparatus, analyze the motion data to determine if the motion data represents a movement of the motion detection apparatus that drops below a threshold movement level, actuate the vibration apparatus to vibrate the work tool.

The invention discloses a VVC adaptive video coding method and system based on a region of interest, and belongs to the technical field of video coding. According to the technical scheme, the method comprises the following steps: S1, carrying out mixed region-of-interest detection on an input video frame; s2, generating a quantization parameter mapping table according to the ROI mask, and executing three-level QP distribution; s3, the QP mapping table is input into an encoder for block-level quantization control, meanwhile, a visual interface is generated to display an ROI detection result and QP space distribution in real time, and the interface supports adjustment of a significance threshold value and motion detection sensitivity through a sliding block; the system comprises a video input processing module, an ROI detection module, a QP mapping generation module, a coding control module and a visual interface module. The method has the beneficial effects that the dynamic QP mapping table is generated through motion-saliency mixed detection, and the coding efficiency is improved while the subjective quality is ensured in combination with a visual debugging interface.

The invention discloses a thickness laser detection device for peep-proof film production, and relates to the field of peep-proof film thickness detection.The thickness laser detection device comprises a base and a support, the support is fixed to the base, the support and one end of a fixing plate are mutually fixed, the other end of the fixing plate and a mounting box are mutually fixed, and an air cylinder is mounted on the support; a square plate is fixed to the output end of the air cylinder. The rotating mechanism is used for enabling the peep-proof film to rotate by 180 degrees, and the rotating mechanism is installed on the base. According to the thickness laser detection device for peep-proof film production, the adjusting mechanism is adopted and can synchronously move front and back when the laser range finder moves left and right, so that the laser range finder carries out movement detection along a Z-shaped movement path in the peep-proof film detection process, multi-point detection of the peep-proof film is realized, manual adjustment is not needed, and the detection efficiency is improved. The accuracy of detection data can be ensured, the detection efficiency can also be ensured, and then the actual use requirement is better met.

The invention belongs to the technical field of target detection, and discloses a motion detection method based on low-power-consumption embedded equipment. Comprises: acquiring an original sound wave signal and calculating an environment sound pressure level; when the environment sound pressure level is larger than or equal to a sound pressure threshold value for N times continuously, image acquisition is triggered, and an image frame sequence is generated; performing motion target analysis on the image frame sequence to obtain motion parameters of the object; judging whether an effective moving target exists or not according to the motion parameters, and sending the motion parameters to a detection terminal; and efficient balance among detection precision, power consumption control and scene adaptability is realized.

A magnetic motion detection method for a helmet system includes an internal body inside a helmet shell that emits magnetic flux and rotates independently. When the helmet shell undergoes rotational acceleration from impact, a magnetic field sensor on the internal body detects acceleration data of the magnetic flux. A controller processes this data to store it, transmit it, or generate triggering signals for airbag deployment when thresholds are exceeded. The airbag system rapidly inflates around the user's neck and subsequently exhausts gas based on predetermined delay or pressure increases.

An aerosol-generating device is provided for generating an aerosol during a usage session, the aerosol-generating device including: an indicator system; a motion detector; and a controller; the motion detection unit being configured to detect movement of the device and to identify a first gesture and a second gesture different from the first gesture, in which, in response to the first gesture being identified by the motion detector, the controller is configured to control the indicator system to output a user detectable indication indicative of progress of the usage session, and in which, in response to the second gesture being identified by the motion detector, the controller is further configured to control the indicator system to output a user detectable indication indicative of the number of usage sessions available.

The application relates to the field of old-age care equipment, and discloses a state recognition navigation recommendation method based on artificial intelligence and an old-age terminal device. The method comprises the following steps: acquiring terrain features, speed features, gait features and physiological features of a user in multiple walking trips when the user uses an intelligent walking stick, and acquiring map information and a walking destination of the user; wherein the terrain features, the speed features and the gait features are detected by a motion detection component of the intelligent walking stick; through a state recognition-navigation recommendation model, a navigation route and a walking guidance suggestion of the user in the next walking trip are determined according to the terrain features, the speed features, the gait features, the physiological features, the map information and the walking destination in the multiple walking trips; and the walking guidance suggestion comprises matters needing attention information when the user walks. The application can identify and detect the physical state of the old people and improve the nursing effect on the old people.

1. Name of the Design Product: Vehicle Movement Detection Device for Driverless Delivery Vehicles. 2. Use of the Design Product: Used for vehicle movement detection of driverless delivery vehicles. 3. Design Key Points of the Design Product: Lies in the shape. 4. Picture or Photograph that Best Illustrates the Design Key Points: Perspective view.

The invention relates to the technical field of straightening equipment, and discloses an automatic matching straightening machine for shaft workpieces, which comprises a machine body, a plurality of linear sliding rails for a plurality of mechanisms to linearly move are arranged on the machine body, and strip-shaped tooth grooves matched with moving gears are formed in the two sides of the interior of the machine body; one side of the machine body is provided with a PLC (Programmable Logic Controller) control cabinet for calculating input shaft workpiece data information and generating a control signal, and the PLC control cabinet is used for controlling each mechanism on the machine body in an operation process. By adding and arranging the movable detection mechanism, when the shaft workpiece is straightened, the movable detection mechanism adopts a lever type detection structure, can be tightly attached to the surface of the shaft workpiece, sensitively captures bending deformation information of the workpiece, realizes accurate acquisition of deformation, avoids subjectivity and errors of manual detection, and improves the straightening accuracy of the shaft workpiece. And full-length movement detection can be realized along a linear sliding rail, all parts of the shaft workpiece are covered, and the condition of missing detection of a deformation position is avoided.

Devices and associated methods refer to jam detection when the intensity of a reflected signal exceeds a predetermined intensity threshold and an intensity window metric based on historical intensity value(s) has not exceeded an intensity window threshold for longer than a predetermined time threshold. In an illustrative example, a jam detection unit (JDU) might emit a signal and detect a reflection of that signal. The JDU might, for example, compare the intensity of the reflected signal to the intensity threshold. The JDU might, for example, compare the intensity threshold to at least one historical intensity value to determine the intensity window metric. If the intensity value exceeds the intensity threshold and the intensity window metric has not exceeded the intensity window threshold for longer than the time threshold, then the JDU might, for example, generate a jam signal.Several methods can usefully detect jams based on the intensity of a reflected signal.

We provide an anomaly detection system capable of detecting abnormalities in humans. [Solution] An anomaly detection system comprising: a first motion detection unit 301 that detects movements of a person 20 that are greater than a motion threshold using a non-contact sensor 10; a presence location determination unit 302 that, if it has detected movements greater than the motion threshold, determines whether a person is present in a location 30 where the non-contact sensor 10 can detect movements of a person 20 that are less than the motion threshold; a second motion detection unit 303 that detects movements of a person 20 that are less than the motion threshold if it has determined that a person is present in a location 30 where it can detect movements of a person 20 that are less than the motion threshold; and an anomaly determination unit 304 that, if it has not detected movements less than the motion threshold, determines that something is wrong with the person 20.