70 results about "Ball tracking" patented technology

An automatic ball tracking camera for taking video images of a ball game includes a two-stage video camera unit including two sets of camera modules arranged on top of each other, each camera module including a video camera, a zoom lens, and a pan-tilt pod. A video switcher selects one video camera as output and an image processor analyzes an video image currently in use for output and determines whether a ball position moves out from a preset area defined on that video image. A controller determines a target viewing direction to recapture the ball within the preset area in a close-up mode, adjusts the video camera currently not in use for output to achieve the target viewing direction, and switches the output to the video camera adjusted when determined that the ball position moves out from the preset area.

The invention relates to an eyeball tracking technology based privacy protection method and system. The system comprises a starting unit and a hiding unit, wherein the starting unit is used for starting an eyeball tracking function when monitoring that an illegal user is in front of a screen of a terminal; and the hiding unit is used for hiding or closing an application running in a foreground of the terminal when detecting that the duration of watching the terminal screen by eyeballs of the illegal user is greater than or equal to a preset duration threshold by applying the eyeball tracking function. According to the eyeball tracking technology based privacy protection method and system, the phenomenon of long-time peeping of the illegal user to the terminal screen can be discovered in time by applying the eyeball tracking technology, at the moment, the terminal automatically hides or closes the application in a foreground running state in the screen, so that the personal privacy of users is effectively protected in a process of normally using the application by the users; and the privacy protection method and system are high in practicality and convenient to use.

A three-level ball detection and tracking method is disclosed. The ball detection and tracking method employs three levels to generate multiple ball candidates rather than a single one. The ball detection and tracking method constructs multiple trajectories using candidate linking, then uses optimization criteria to determine the best ball trajectory.

A real-time ball tracking method and system using an ultra wideband (UWB) tag and an access point, and a computer readable storage medium for the same are provided. The real-time ball tracking system and method measures position information of each tag through UWB communication between a plurality of tags and a plurality of access points arranged in a ball tracking space, processes the measured position information in a management server, and displays the position information by mapping real-time position information to a virtual ball tracking space in a manager terminal.

Systems and methods for ball tracking are provided. An identification processor may be coupled to a ball and may generate wireless signals as the ball is moving. At least three triangulation antennas may be distributed at different locations within an event venue. Such triangulation antennas may receive the wireless signals from the identification processor in real-time. Such signals may be used to determine a real-time location of the ball within the event venue. A controller may then adjust a gimbal to point the camera at the determined real-time location of the ball.

Provided is a smart golf ball comprising: an inner electronics core, the inner electronics core comprising: a microcontroller with memory and at least one processor; a power supply in communication with the microcontroller; and an RF transmitter/receiver in communication with the microcontroller; an outer core surrounding the inner electronics core; and a skin layer covering the outer core. Also provided is a data processing system configured for golf ball tracking, comprising: a host computing system; a display in communication with the host computing system; one or more smart golf balls, each comprising a Real Time Location System (RTLS) Ultra-wideband (UWB) transmitter/receiver and a corresponding ID, in communication with the host computing system; three or more beacons, each comprising an RF transmitter/receiver, in communication with the host computing system; and a golf ball tracking module.

The invention discloses an automobile driving fatigue relieving method, electronic equipment, a fatigue driving judgment method and a server. The automobile driving fatigue relieving method comprisessteps that the timing information is sent to a server regularly; the fatigue judgment result which is returned by the server and is judged according to the received timing information is received; ifthe fatigue judgment result is fatigue driving, fatigue relieving operation is executed. The method does not need to recognize fatigue based on an eyeball tracking system and a heart rate detection system which are high in cost, cost is relatively better, and the very good fatigue relieving effect can be achieved in combination with air conditioner and audio recommendation adjustment.

The invention provides a wearing device and a sporting device, and relates to the technical field of VR. The wearing device comprises a VR eyewear body, two brain wave control modules, two eyeball tracking modules and a processor, wherein the two brain wave control modules are respectively arranged on two sides of the VR eyewear body, are coupled with the processor, and are used for collecting brain wave information of a user to generate control information corresponding to the brain wave information, and transmitting the control information to the processor; the two eyeball tracking modules are arranged in the VR eyewear body and are coupled with the processor; each eyeball tracking module in the two eyeball tracking modules is used for capturing the image information of one eyeball of the user, and transmitting the image information to the processor; the processor is arranged in the VR eyewear body for controlling the scene changes in the VR eyewear according to the control information and/or image information. The wearing device and sporting device can be used for reinforcing interaction between a user and a machine, so that the scene can be vivid, and the user experience can be promoted.

The embodiment of the invention discloses an eyeball tracking processing method and a related device, which are applied to electronic equipment, and the method comprise the following steps: when eyeball tracking calibration is carried out by using a first calibration point, obtaining a first face image through an eyeball tracking assembly; calculating a reference user sight vector and a head posture vector according to the first face image; converting the reference user sight vector into a standard user sight vector according to the head posture vector and the first calibration point; and obtaining a first parameter group according to the standard user sight vector and the coordinate of the first calibration point, adding a training set to the first parameter group, and training a calibration model through the training set to obtain a trained calibration model. According to the method of the invention, the method facilitates the improvement of the processing efficiency during the calibration of eyeball tracking.

The invention relates to an electronic diopsimeter with the functions of eyeball tracking and refraction compensation, which comprises a shell and a plane electronic visual field screen, wherein the shell is provided with a cylindrical peeping channel; the cylindrical lateral surface of the peeing channel is provided with an infrared illuminating lamp for emitting infrared rays to the eyeball of a subject; the inside of the peeping channel is connected with a refractive error correction system so as to close the inside of the shell; the refractive error correction system is provided with a non-spherical aspheric surface lens with refractive error correction; and an infrared camera for shooting the infrared ray reflected by the eyeball of the subject is also arranged in the shell. The electronic diopsimeter has the advantages of shell closure, eye ball tracking, refractive error correction and the like so that the accuracy is high. Besides, the invention also relates to a method for quantizing and evaluating the cooperation degree of the subject.

The technical scheme of the invention comprises a facial expression control method and system based on eyeball tracking. The facial expression control method comprises the steps of enabling a user touse terminal equipment to run a game program; enabling the game program to call an image acquisition device of the terminal equipment to acquire eyeball state information of the user, wherein the eyeball state information comprises an angle between an eyeball and the equipment, a gazing direction, a blinking action, eye pupil size change and an iris stretching or contracting state; according to the obtained eyeball state information, calling a machine learning algorithm to calculate the current emotion attribute of the user; and according to the current emotion attribute of the client, callinga corresponding expression from an expression library according to a preset rule, and displaying the expression by a specified virtual character in the game. The method has the beneficial effects that the game experience is improved, the game reality sense is enhanced, the user stickiness and the game activity degree are improved, a player has more substitution feeling, and the dependence degreeand loyalty degree of the player on a game can be improved.

The embodiment of the invention discloses an eyeball tracking method combined with head motion detection and a related device. The eyeball tracking method is used for improving the tracking judgment precision of a terminal on eyeball fixation points of a user. The embodiment of the method comprises the steps that when a terminal detects that a user is watching a screen, the terminal extracts eyeball feature information of the user through an eyeball tracking technology, and coordinates of a watching point are obtained through calculation; the terminal displays a visual feedback identifier on the screen, wherein the visual feedback identifier is used for prompting a user that the fixation point is located in an area; when the terminal detects that the fixation point is not in the target area, the terminal sets a head movement range by taking a preset value as a radius; the terminal detects head movement information of a user within the head movement range; and the terminal judges the head movement condition according to the head movement information, and corrects the fixation point coordinates and the visual feedback identifier according to the head movement condition.

The invention relates to the technical field of video optimization, in particular to a video content identification method, device and apparatus, and an electronic device. The method comprises the following steps: step S110, dividing a video into a plurality of video clips; S120, when the video is played, acquiring eyeball tracking concentration degree data related to each video clip is acquired;S130, estimating a concentration value corresponding to the video clip according to the eyeball tracking concentration data of the video clip; S140, judging whether the concentration degree value is smaller than a preset concentration degree threshold value or not; and S150, when the concentration degree value is smaller than a preset concentration degree threshold value, identifying the video clip to optimize the content of the video clip. The problem that in the prior art, the video clip with low concentration cannot be identified through the concentration degree of the user on the video content so as to optimize the video content is solved.

The embodiment of the invention discloses a testing method and device for eyeball tracking equipment, the equipment and a storage medium. The method comprises the following steps: acquiring a vertical distance between eyes of a user and a screen, and determining the vertical distance as a first distance; obtaining a plurality of calculation fixation points generated when the user watches the target fixation point; determining deviation angle information according to the plurality of calculation fixation points, the target fixation point and the first distance, wherein the deviation angle information comprises first deviation angle information and second target deviation angle information; and determining a test result according to the deviation angle information. According to the technical scheme of the embodiment of the invention, the accuracy and precision of the eyeball tracking equipment are represented through the deviation angle information, and the accuracy and reliability of eyeball tracking equipment testing can be improved.

The invention discloses a video-based eyeball turning determination method, and the method comprises the steps: obtaining a target video which is a video of a target user watching a target product; inputting the target video into an eyeball steering feature recognition model to obtain an eyeball steering feature queue matrix; and determining a target steering angle of the target user based on theeyeball steering characteristic queue matrix. The invention further discloses an eyeball steering determination system based on the video. According to the invention, the target video is input to theeyeball steering characteristic recognition model to obtain the eyeball steering characteristic queue matrix, and then the target steering angle and the target steering time of the corresponding target product are obtained through the eyeball steering characteristic queue matrix, so that the eyeball tracking accuracy is improved.

The present invention provides system and method for tracking and analyzing golf shot, the method comprising: turning on a light source; a capturing a pair of images of the golf shot using a pair of stereo cameras having a same focal length and triggered by single signal; a analyzing a disparity between the pair of images; a producing a disparity map, a three dimension simulation, and a first motion analysis data; a capturing an image of the golf shot from before to after contact between a golf club and a golf ball using a single camera; a analyzing image sequences captured by the single camera; a producing a second motion analysis data including at least one of ball spinning, club face angle, and swing, and displaying the three dimension simulation, the image sequence, and the first and the second motion analysis data.

The invention relates to a message processing method of a terminal, the terminal, a medium and electronic equipment. The method comprises the steps that the terminal determines the position where a user of the terminal watches a terminal screen, wherein at least one message is displayed on the terminal screen; under the condition that the terminal determines that the position where the user watches the screen of the terminal falls into the message range of a message displayed on the screen, the progress of browsing the message by the user is determined; according to the progress of browsing the message by the user, the display mode of at least one part of display elements in the message range of the message on the terminal screen is changed from the first display mode to the second display mode, and the display mode of the message which is not browsed by the terminal user is the first display mode. According to the method, the user is tracked to check the messages appearing on the terminal screen through the eyeball tracking technology, the checked messages and the unchecked messages are displayed on the screen in a distinguished mode according to the message checking progress of the user, the user can conveniently and rapidly distinguish the checked messages and the unchecked messages, and important messages are prevented from being missed.

The invention discloses a small multi-rotor unmanned aerial vehicle camera control method based on an eyeball recognition tracking technology, and relates to the technical field of robot control. According to the invention, an eyeball identification tracking technology is used to assist an operator in controlling the small multi-rotor unmanned aerial vehicle camera; the method is characterized bycomprising the following steps: collecting an eyeball image of an operator, completing iris recognition and positioning, obtaining iris positioning information again in each control period to completeeyeball tracking, and completing the control of an unmanned aerial vehicle camera by using the difference between the real-time iris positioning information and a reference value thereof; according to the invention, an operator does not need to manually control the shooting direction of the camera when acquiring the image information shot by the camera of the small multi-rotor unmanned aerial vehicle, so the control variable is reduced, the operation difficulty is reduced, an independent person can independently control the small multi-rotor unmanned aerial vehicle, and the defects in the prior art are overcome.

The invention discloses an eyeball tracking data processing method and system, and the method comprises the steps that terminal equipment sends eyeball tracking calibration parameters to a server, and the eyeball tracking calibration parameters at least comprise a first parameter value of a first parameter type and a first confidence coefficient corresponding to the equipment model of the terminal equipment; the server judges whether a saved value of the first parameter type and a second confidence coefficient corresponding to the saved value are stored or not; if the server stores the saved value of the first parameter type and a second confidence coefficient corresponding to the saved value, the server judges whether the second confidence coefficient is smaller than the first confidence coefficient; and if the second confidence coefficient is smaller than the first confidence coefficient, the server respectively replaces the saved value and the second confidence coefficient with the first parameter value and the first confidence coefficient. The problem that in the prior art, low-precision terminal equipment cannot obtain high-precision calibration parameter values can be solved.

The embodiment of the invention discloses a target pushing method, system and device based on eyeball tracking. The method comprises the steps: enabling a first server to receive a first picture aboutthe sight of a user sent by a first camera and a second picture about the foreground of a vehicle sent by a second camera; identifying an eyeball steering angle of the user in the first picture, calculating depth-of-field data of the second picture and acquiring GPS data of the vehicle at the triggering moment, and calculating and obtaining target GPS data according to the eyeball steering angle,the depth-of-field data and the GPS data of the vehicle; loading the target GPS data to a called map, and judging whether a target object exists or not; and if yes, pushing the related information corresponding to the target object to the vehicle terminal. According to the invention, the interest point positioning can be realized only by capturing the eyeball rotation information, the complex interaction process is simplified, and the safety of the driving process can also be improved.

The invention belongs to the technical field of computers, and provides a privacy peep-proof method based on user eyeball tracking and an intelligent device. The method comprises the following steps:when privacy information in the intelligent device is browsed, detecting whether eyeballs of a user of the intelligent device gaze the privacy information or not in real time; and when the eyeballs ofthe user do not gaze at the privacy information and exceed a preset duration, performing peep-proof protection in different modes; and starting a preset information protection strategy according tothe judgment that the eyeballs of the user do not gaze at the privacy information and exceed the preset duration, so as to ensure that the system can start the information protection strategy and avoid the problem of privacy information leakage in the period of time when the user uses the intelligent terminal equipment and the attention point of the temporary event leaves the screen. The situationthat other people deliberately peep information by adopting a diversion means is further thoroughly avoided. Therefore, privacy information can be accurately, specifically and timely prevented from being peeped.

The invention relates to a bank employee business assisting method and a bank employee business assisting system based on eyeball tracking. A banking business server, an eyeball tracking device, a two-dimension code business application form read-in device and a banking business terminal are adopted, wherein the banking business server is used for handling banking businesses, analyzing a two-dimension code business application form and analyzing and guiding the banking business operation processes, the eyeball tracking device is used for obtaining the bank employee eyeball state information including the eyeball activity degree and the gaze coordinates of the banking business terminal, the two-dimension code business application form read-in device is used for inputting the business application form, and the banking business terminal is used for displaying a list of handled banking business. The eyeball tracking device comprises a business terminal front camera and a front-view camera utilizing the business terminal, and image data of eyeballs is extracted by a recognition algorithm in graphics in a specific position. A method for collecting the eyeball movement of users by the eyeball tracking device is characterized in that during initialization, double-eye direction control signals are obtained through recognition in a fixed test position and under a fixed test posture.

The invention discloses a novel intelligent basketball GPS tracking device. The device comprises a ball body, a mounting plate is embedded in the upper surface of the ball body, a GPS module is arranged on the lower surface of the mounting plate, the GPS module is in transmission connection with a central processing unit through a signal transmission module, and the central processing unit is in bidirectional connection with a storage module through a wire. The invention relates to the technical field of basketballs. According to the invention, the output end of a central processing unit is electrically connected with the input end of a display unit through a wire; when the basketball moves, the motion trail, the speed and the rotating speed of the basketball can be tracked all the time and be displayed in the form of the dynamic graph, so that the user can understand the movement condition of the basketball more thoroughly, when the basketball is lost, the basketball can be found quickly, and a coach can give corresponding suggestions to students according to the movement condition of the basketball, so that the students can learn the basketball better.