CN101340562A - Monitoring system and method - Google Patents
Monitoring system and method Download PDFInfo
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- CN101340562A CN101340562A CNA200810066927XA CN200810066927A CN101340562A CN 101340562 A CN101340562 A CN 101340562A CN A200810066927X A CNA200810066927X A CN A200810066927XA CN 200810066927 A CN200810066927 A CN 200810066927A CN 101340562 A CN101340562 A CN 101340562A
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Abstract
The invention discloses a monitoring system, comprising a monitoring screen used for display video images, a controlled monitoring equipment used for capturing and transmitting the video images, a control module and a video memory module; the control module is used for controlling the actions of the controlled monitoring equipment according to the operation constructions; the video memory module is used for recording the video images and providing the video images for the displaying on the monitoring screen; the monitoring system also comprises gaze tracking equipment which judges the current gazing point of the eyes on the monitoring screen according to the sight line of the operator and outputting the operation instructions corresponding to the current gazing point; the output terminal of the gazing tracking equipment is coupled to the control module. Meanwhile, the invention discloses a monitoring method which is used by the monitoring system. The object on the screen is selected by tracking the slight light of the monitoring personnel, the monitoring operation can be simplified and the monitoring efficiency can be improved.
Description
[technical field]
The present invention relates to supervisory control system, be specifically related to a kind of supervisory control system and method for supervising.
[background technology]
Supervisory control system extensively is present in public places such as market, mansion, highway, station, airport, and as the core of large-scale supervisory control system, the control and command center plays a part tissue, commander, coordination and inspection.In the Surveillance center, with the mutual equipment of people normally monitor screen and operating desk.As shown in Figure 1, in the existing supervisory control system, the video that operating personnel watch distant place video camera shooting, clipping the ball machine etc. to return by monitor screen, these videos are by DVR (Digital Video Recorder, digital video recorder or digital hard disc video recorder) the record transfer, DVR has control input, can be used for Long-distance Control ball machine and camera.Existing system uses traditional man-machine interaction means such as the rocking bar, button of operating desk to carry out policer operations such as the selection of video, convergent-divergent, and operating personnel send instruction by operating desk, come Switch Video by DVR, and flexible, rotate camera or ball machine.Yet along with watch-dog increases, the target that operating personnel will monitor and control is also more and more, therefore, needs at any time in the face of a large amount of video datas.Sometimes, operating personnel real-time video on the nearly hundreds of of view (sites) in turn road possibly.The inefficiency of the desk-top mutual supervisory control system of traditional operation more and more can not satisfy loaded down with trivial details operation requirement.Particularly in the face of various accidents take place in institute in the monitoring, choose and control the flexible of a certain camera if desired fast and rotate, when selecting the Switch Video passage, the use legacy equipment is very difficult to react quickly and effectively and handles.And in the face of the huge video data of quantity, policer operation is too complicated unavoidably and easily cause the monitor staff to make mistakes in chaos.
[summary of the invention]
Main purpose of the present invention solves the problems of the prior art exactly, and a kind of supervisory control system and method for supervising are provided, and makes things convenient for the monitor staff to choose monitoring objective, improves the efficient of policer operation.
For achieving the above object, the invention provides a kind of supervisory control system, comprise the monitor screen that is used for display video image, be used to absorb the also controlled surveillance equipment control module of transmitting video image, the video storage module and, described control module is used for according to the action of controlling the controlled surveillance equipment of commands for controlling, described video storage module is used for record video image and video image is offered described monitor screen showing, it is characterized in that, also comprise be used for according to operator's sight line judge human eye on described monitor screen current sight line point and export the eye tracking equipment of controlling instruction corresponding to current sight line point, the output of described eye tracking equipment is coupled to control module.
Preferably, described eye tracking equipment comprises reference point light source, human eye image unit, graphics processing unit, described human eye image unit is used to absorb eye image, described graphics processing unit is used for parsing the initial calibration position and the current location of the pip of eye image pupil center's point and described reference point light source, calculating current sight line point and the output on described monitor screen of human eye under the current location determines to instruct corresponding to the target of current sight line point, wherein, described initial calibration position is corresponding to sight line calibration point default on the described monitor screen.
Described eye tracking equipment also comprises the object run unit, is used for activating and operate the target that current sight line point is aimed at according to the result of calculation of described graphics processing unit.
Described eye tracking equipment also comprises the motion compensation image unit, described graphics processing unit also comprises motion compensating module, described motion compensation image unit is used to detect initial position and the current location of head to described monitor screen, described motion compensating module is used to calculate head position and changes the side-play amount of being brought, and according to described side-play amount described current sight line point is carried out motion compensation.
Described motion compensation image unit comprises the light source camera that is provided with the head interlock, and described light source camera is used to absorb the image of reference point light source.
Described reference point light source comprises at least 4 infrared light supplies, and described infrared light supply is distributed in around the described monitor screen to constitute tetragonal mode at least.
Described eye tracking equipment also comprises the shooting support, and described shooting support comprises the fixture that is used for fixing at head, and described human eye image unit is installed in the position that can photograph at least one eye image on the described shooting support.
Described fixture is the glasses network structure, described shooting support also comprises the supporting member that links to each other with described fixture, described supporting member has the supported end of the front lower place that extends to human eye, and described human eye image unit is installed on the described supported end, and its pick-up lens is towards human eye.
Also comprise being installed in and be used to absorb the motion compensation image unit of head on the described shooting support with respect to monitor screen change in location information.
Described motion compensation image unit is installed in the position by the human eye outside on the described shooting support.
A kind of method for supervising is characterized in that, may further comprise the steps:
A1, the reference point light source is set, and on monitor screen, sets the sight line calibration point;
B1, according to described sight line calibration point detect in the eye image correspondingly pupil center's point and the initial calibration position of the pip of described reference point light source, and set up position relational matrix between human eye and the described monitor screen;
The current location of C1, the described pupil center's point of detection and described pip;
D1, according to described position relational matrix, calculate human eye under the described current location on described monitor screen current sight line point and determine the target of its aligning.
Preferably, further comprising the steps of after the described step D1:
E1, activation are also operated the target that described current sight line point is aimed at.
Described step B1 and/or described step C1 also comprise: earlier eye image is carried out enhancement process to improve accuracy of detection.
Described step B1 and/or described step C1 also comprise: the iris outward flange in the eye image is detected with assist location described initial calibration position and/or current location.
Described step B1 also comprises the initial position of detection head to described monitor screen, described step C1 also comprises the current location of detection head to described monitor screen, among the described step D1, the calculating of described current sight line point comprises that changing the side-play amount that described pip is brought according to head position carries out motion compensation.
Described initial position and described current location are determined the position of head according to described reference point light source.
Beneficial technical effects of the present invention is:
The present invention is provided with eye tracking equipment in supervisory control system, eye tracking equipment can be judged the current sight line point of human eye on monitor screen according to operator's sight line, and send the instruction of controlling corresponding to current sight line point, by control module, just can operate the monitored object that current sight line point is aimed at.The present invention has thoroughly changed the mode of operation of traditional supervisory control system, do not rely on operating desk equipment such as complicated rocking bar, button control board, but adopt eye tracking device analysis operator sight line, choose target---controlled surveillance equipment or video content according to sight line point is convenient fastly, and then can finish control action target.As choose the target lock-on of one of them from tens road videos, certain position in the amplified video or control marble forming machine rotate to follow the tracks of certain monitored object.The present invention can be good at the auxiliary operation personnel and makes fast reaction, simplifies complicated policer operation, improves monitoring efficiency greatly.
[description of drawings]
Fig. 1 is the structured flowchart of existing supervisory control system;
Fig. 2 is the structured flowchart of a kind of embodiment of supervisory control system of the present invention;
Fig. 3 is the structured flowchart of the eye tracking equipment in an embodiment of the present invention;
Fig. 4 is the schematic perspective view of the camera head in an embodiment of the present invention;
Fig. 5 is the vertical view of the camera head among Fig. 3;
Fig. 6 is the end view of the camera head among Fig. 3;
Fig. 7 is the flow chart of a kind of embodiment of method for supervising of the present invention;
Fig. 8 is the flow chart of pupil center's point and the further refinement of pip position probing among Fig. 7;
Fig. 9 be among Fig. 7 head to the flow chart of the further refinement of monitor screen position probing.
[embodiment]
Feature of the present invention and advantage will be elaborated in conjunction with the accompanying drawings by embodiment.
Please refer to Fig. 2, supervisory control system comprises monitor screen, operational module, control module, video storage module and controlled surveillance equipment.Wherein, monitor screen both can be the screen of monitor, also can be the large display screen of Surveillance center, and operational module comprises eye tracking equipment and auxiliary equipment (as the traditional operation equipment of button, rocking bar and so on), and controlled surveillance equipment comprises camera and ball machine.Monitor screen and eye tracking device side are to the operator, and operator and system are undertaken by monitor screen and eye tracking equipment alternately.The operations of operators instruction is by eye tracking equipment input monitoring system, control module is according to controlling selection, record and the operation of selection, action and the video of the controlled surveillance equipment of commands for controlling, and video storage module records video also exports video to monitor screen and shows.Among a kind of embodiment, supervisory control system comprises a plurality of DVR, and each DVR plays the effect of control module and video storage module.DVR has control unit, can be used for Long-distance Control camera and ball machine.Monitoring video is simultaneously by DVR record and transfer, and each DVR all can control the output multi-channel video to monitor screen.
Please refer to Fig. 3, eye tracking equipment comprises reference point light source, human eye image unit and graphics processing unit.The reference point light source is arranged near the monitor screen, and the human eye image unit is arranged on the position that can photograph at least one eyes of supervisor.The light that the reference point light source sends is caught by human eye and is reflected.The human eye image unit obtains eye image and offers graphics processing unit, resolve the position of graphics processing unit pip in pupil to pupil center's point in the eye image and reference point light source, set up the position relational matrix between human eye and the monitor screen, in the monitor procedure, graphics processing unit parses the current location information of pupil center's point and pip, and calculate the current sight line point of human eye on monitor screen under the current location by the position relational matrix, determine the target that current sight line point is aimed at.Preferably, eye tracking equipment also comprises the object run unit, after the target that current sight line point is aimed at is determined, can activate target and carry out further operation by object run unit output order to DVR.
For determining the initial position relation of human eye and monitor screen, at first to finish initial calibration.On monitor screen, configure the sight line calibration point in advance, for example can be with the upper left point of screen, lower-right most point and central point etc. are defined as the sight line calibration point, before the eye tracking, people's lore is watched these several ad-hoc locations of monitor screen attentively, obtain eye image by the human eye image unit, parse the initial calibration position of the pip of pupil center's point and reference point light source in the eye image by graphics processing unit again corresponding to each sight line calibration point, then, positional information in conjunction with initial calibration positional information and known sight line calibration point is analyzed, and can set up human eye and monitor screen (pupil center's point, pip and monitor screen sight line calibration point) the position relational matrix.Finished after the initialization, just can in monitor procedure, implement eye tracking.The human eye image unit is caught each current two field picture of human eye in real time, is resolved by graphics processing unit, measures the current location of the pupil center's point and the pip of reference point light source in pupil of human eye.Next calculate according to position relational matrix and current location information, finally determine the current sight line point that the human eye under this current location stops on monitor screen.In concrete processing procedure, the position relation that can also obtain according to passing picture frame (as former frame) is as reference, predicts the position that pupil next will occur, to improve accuracy and to reduce amount of calculation.
The reference point light source preferably adopts infrared light supply such as infrared LED (light-emitting diode), and its power is selected to the distance of human eye according to monitor screen.Four infrared LEDs are installed in around monitor screen below or its, constitute quadrangle.Four reference points are to reach the required minimum reference of realization matrix conversion (comprising convergent-divergent, translation and rotation) to count.The human eye image unit is arranged on the front lower place of eyes, takes obliquely upward, in order to avoid obstruct the view, and its focal length is enough little of can shoot whole eye image clearly.The human eye image unit preferably adopts infrared camera, is furnished with infrared filter on it, filters out visible light, and the eyes image that is obtained is an infrared image.Because pupil absorbs infrared wavelength, and sclera and iris reflex infrared wavelength, so pupil integral body is rendered as significant aterrimus under infrared light.Adopt infrared light supply and infrared camera, help discriminating and location pupil in the eye image.Among the preferred embodiment, the human eye image unit comprises left eye camera and right eye camera, obtains left-and right-eye images respectively.The image of comprehensive eyes is analyzed and is handled, and helps improving the precision of eye tracking.In addition, each camera also has the built-in light source of figure adjustment, can carry out digital compensation to the variation of surrounding brightness, to guarantee the stability of eye tracking.
As improvement, graphics processing unit is provided with the Image Enhancement Based piece, the eye image that is obtained is before resolving, earlier carry out enhancement process by the Image Enhancement Based piece, the accuracy of identification and the discrimination that comprise the pip that improves pupil, eyeball and reference point light source, and then the precision of raising image analysis.Concrete processing means can be brightness, contrast adjustment and image denoising etc.During another improved, graphics processing unit also comprised the iris parsing module, and the iris parsing module detects the iris outward flange in the eye image.It mainly is to find out the strongest circle of edge variation in the eye image that the iris outward flange detects, and returns this circular center and radius information.In conjunction with image analysis is carried out in the analysis of iris position, can be more accurately the pip of pupil center's point and reference point light source be positioned.
In better embodiment, eye tracking equipment also comprises the motion compensation image unit, and graphics processing unit also comprises motion compensating module.The signal of motion compensation image unit output offers motion compensating module.The motion compensation image unit detects initial position (corresponding to the initial calibration position of human eye) and current location (corresponding to the current location of the human eye) information of head to monitor screen, motion compensating module is handled this information, calculate head position and change, and current sight line point is carried out motion compensation according to this side-play amount to the side-play amount that pip brought of reference point light source in human eye.By motion compensation, can reduce error, further improve the order of accuarcy that current sight line point is followed the tracks of.Preferably, the motion compensation image unit comprises the light source camera that is provided with the head interlock, and this light source camera obtains the image of reference point light source.The coordinate system of light source camera and images of left and right eyes camera is associated,, can measure the change in location of head, calculate the amount that will compensate, thereby realize motion compensation monitor screen by changing before and after the image of analyzing the reference point light source.
Among the present invention, the object run unit can be in conjunction with adopting blink control module and keying module.Information nictation that nictation, control module photographed according to the human eye image unit activates and operates the target that current sight line point is aimed at, and the keying module is utilized button, keyboard to wait and activated and Action Target then by traditional manual mode.Activation and operational order send to DVR by the object run unit and control and handle.Generally speaking, manual keying mode is often than more meeting traditional operating habit such as automatic confirmation methods such as affirmations nictation.Again for example, the configurable Video processing buttons such as " image amplifications " in object run unit is convenient to the user video content of choosing is operated.
Please refer to Fig. 4 to Fig. 6, eye tracking equipment also comprises shooting support 2, and shooting support 2 comprises the fixture 21 that can be fixed on head, and human eye image unit 1 is installed in the position that can photograph at least one eye image on the shooting support 2.Preferably, fixture 21 is the metal or the plastic cap tool of eyes frame type, comprise picture frame and symmetrical two mirror legs 211 that are used to be worn over ear, but the afterbody frame of mirror leg 211 is on people's ear, shooting support 2 also comprises the supporting member 22 that links to each other with a mirror leg 211 wherein, and supporting member 22 has the supported end of the front lower place that extends to human eye, and human eye image unit 1 is installed on the supported end, take eyes obliquely upward, can avoid obstructing the view.In order to improve the detection accuracy, human eye image unit 1 adopts left eye and two cameras of right eye, be respectively applied for the shooting left-and right-eye images, supporting member 22 is two with two mirror leg 211 corresponding settings, and left eye camera and right eye camera are separately fixed on two supporting members 22.The images of left and right eyes camera wants cube as far as possible little, and it is as far as possible little to distort, and its focal length is can clearly shoot the image of whole eyes.As improvement, camera head also comprises fixed band, and the two ends of fixed band link to each other with two mirror legs 211 respectively.Fixed band can be solidly set on head, the support 2 of can further firmly making a video recording.
Among the better embodiment, eye tracking equipment also comprises motion compensation image unit 3, and it is used to detect initial position and the current location of head to monitor screen.The motion compensation image unit 3 preferred light source cameras 3 that the reference point light source is taken that adopt.Light source camera 3 also is installed on the shooting support 2, and camera lens can be arranged on the mirror leg 211 by the position outside the human eye towards the reference point light source.Preferred, light source camera 3 links to each other with mirror leg 211 in the mode of scalable direction, thus the camera lens that can adjust it flexibly towards, make it can when head position changes, still aim at the reference point light source.
Camera head preferably adopts infrared camera, and each camera is furnished with infrared filter with the filtration visible light, and can select 320 * 240 resolution for use.
Please refer to Fig. 7, the present invention also provides a kind of method for supervising based on the eye tracking technology, specifically can implement according to following flow process:
Step S101, detect in the eye image initial calibration position with the pip of corresponding pupil center's point of sight line calibration point and reference point light source;
Step S102, according to the initial calibration position of the position of sight line calibration point and pupil center's point, pip, set up the position relational matrix between human eye and the monitor screen;
In step S103, the observation process, detect the current location of pupil center's point and pip;
Step S104, according to the position relational matrix, calculate the current sight line point of human eye on monitor screen under the current location;
Step S201, detect the initial position of head to monitor screen
Step S202, detect the current location of head to monitor screen;
Step S203, calculate the side-play amount that head movement brings the pip of reference point light source;
The side-play amount that step S3, basis calculate is carried out motion compensation to current eye tracking point; Next carry out following optional step,
Step S4, selected and control target by the keying mode is as the convergent-divergent of video content itself, the motion control of camera etc.; Perhaps
Step S5, by nictation processing mode selected and control target; Perhaps
Step S6, the vision signal of the target of aiming at is for further processing.
Please refer to Fig. 8, for step S101 and step S103, pupil center's point and reference point light source comprise following substep again in the position probing of the pip of human eye:
At first absorb eyes image;
Next strengthen obtaining eye image, can comprise processing such as brightness, contrast adjustment and image denoising, to improve the accuracy of identification and the discrimination of pupil, pip;
Then image is analyzed, detected pupil center's point and pip, detect iris outward flange in the eye image simultaneously so that the location of pupil center's point and pip is assisted;
At last, parse the position of pupil center's point and pip.
Please refer to Fig. 9, for step S201 and step S202, head comprises following substep again to the position probing of monitor screen:
At first absorb the reference point light source image;
Next strengthen obtaining the reference point light source image;
Then image is analyzed, detected the reference point light source;
At last, parse the position of head with respect to monitor screen.
Supervisory control system of the present invention adopts the eye tracking technology, changed policer operation mode in the past fully, do not use operating desk equipment such as complicated rocking bar, button control board, but adopt the eye tracking device analysis to go out the target that people's an eye line is aimed on monitor screen, choose controlled surveillance equipment or monitored object thereby can make things convenient for fastly, can activate and finish the further control action of target by the object run unit.As choose the target lock-on of one of them from tens road videos, certain position in the amplified video or control marble forming machine rotate to follow the tracks of certain monitored object.The present invention can be good at the auxiliary operation personnel and makes fast reaction, simplifies complicated policer operation, improves monitoring efficiency greatly.
Above content be in conjunction with concrete preferred implementation to further describing that the present invention did, can not assert that concrete enforcement of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (10)
1. supervisory control system, comprise the monitor screen that is used for display video image, be used to absorb the also controlled surveillance equipment of transmitting video image, control module and video storage module, described control module is used for according to the action of controlling the controlled surveillance equipment of commands for controlling, described video storage module is used for record video image and video image is offered described monitor screen showing, it is characterized in that, also comprise be used for according to operator's sight line judge human eye on described monitor screen current sight line point and export the eye tracking equipment of controlling instruction corresponding to current sight line point, the output of described eye tracking equipment is coupled to control module.
2. supervisory control system as claimed in claim 1, it is characterized in that, described eye tracking equipment comprises the reference point light source, the human eye image unit, graphics processing unit, described human eye image unit is used to absorb eye image, described graphics processing unit is used for parsing the initial calibration position and the current location of the pip of eye image pupil center's point and described reference point light source, calculating current sight line point and the output on described monitor screen of human eye under the current location determines to instruct corresponding to the target of current sight line point, wherein, described initial calibration position is corresponding to sight line calibration point default on the described monitor screen.
3. supervisory control system as claimed in claim 2 is characterized in that, described eye tracking equipment also comprises the object run unit, is used for activating and operate the target that current sight line point is aimed at according to the result of calculation of described graphics processing unit.
4. supervisory control system as claimed in claim 1, it is characterized in that, described eye tracking equipment also comprises the motion compensation image unit, described graphics processing unit also comprises motion compensating module, described motion compensation image unit is used to detect initial position and the current location of head to described monitor screen, described motion compensating module is used to calculate head position and changes the side-play amount of being brought, and according to described side-play amount described current sight line point is carried out motion compensation.
5. supervisory control system as claimed in claim 4 is characterized in that, described motion compensation image unit comprises the light source camera that is provided with the head interlock, and described light source camera is used to absorb the image of reference point light source.
6. as any described supervisory control system of claim 2 to 5, it is characterized in that, described eye tracking equipment also comprises the shooting support, described shooting support comprises the fixture that is used for fixing at head, and described human eye image unit is installed in the position that can photograph at least one eye image on the described shooting support.
7. camera head as claimed in claim 6, it is characterized in that, described fixture is the glasses network structure, described shooting support also comprises the supporting member that links to each other with described fixture, described supporting member has the supported end of the front lower place that extends to human eye, described human eye image unit is installed on the described supported end, and its pick-up lens is towards human eye.
8. camera head as claimed in claim 6 is characterized in that, also comprises the position that is installed on the described shooting support by the human eye outside, is used to absorb the motion compensation image unit of head with respect to monitor screen change in location information.
9. a method for supervising is characterized in that, may further comprise the steps:
A1, the reference point light source is set, and on monitor screen, sets the sight line calibration point;
B1, according to described sight line calibration point detect in the eye image correspondingly pupil center's point and the initial calibration position of the pip of described reference point light source, and set up position relational matrix between human eye and the described monitor screen;
The current location of C1, the described pupil center's point of detection and described pip;
D1, according to described position relational matrix, calculate human eye under the described current location on described monitor screen current sight line point and determine the target of its aligning.
10. method for supervising as claimed in claim 9, it is characterized in that, described step B1 also comprises the initial position of detection head to described monitor screen, described step C1 also comprises the current location of detection head to described monitor screen, among the described step D1, the calculating of described current sight line point comprises that changing the side-play amount that described pip is brought according to head position carries out motion compensation; Further comprising the steps of behind the described step D1:
E1, activation are also operated the target that described current sight line point is aimed at.
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| CNA200810066927XA CN101340562A (en) | 2008-04-28 | 2008-04-28 | Monitoring system and method |
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|---|---|---|---|
| CNA200810066927XA CN101340562A (en) | 2008-04-28 | 2008-04-28 | Monitoring system and method |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103020983A (en) * | 2012-09-12 | 2013-04-03 | 深圳先进技术研究院 | Human-computer interaction device and method used for target tracking |
| CN104094280A (en) * | 2011-11-07 | 2014-10-08 | 爱福露恩斯公司 | Systems and methods for high-resolution gaze tracking |
| CN104125390A (en) * | 2013-04-28 | 2014-10-29 | 浙江大华技术股份有限公司 | Method and device for locating spherical camera |
| CN104253944A (en) * | 2014-09-11 | 2014-12-31 | 陈飞 | Sight connection-based voice command issuing device and method |
| CN105391986A (en) * | 2015-11-27 | 2016-03-09 | 国网北京市电力公司 | Video monitoring device and system for electric power inspection |
| CN107124582A (en) * | 2010-09-30 | 2017-09-01 | 星克跃尔株式会社 | The server and its method of security service are provided |
| CN107193381A (en) * | 2017-05-31 | 2017-09-22 | 湖南工业大学 | A kind of intelligent glasses and its display methods based on eyeball tracking sensing technology |
| CN107844734A (en) * | 2016-09-19 | 2018-03-27 | 杭州海康威视数字技术股份有限公司 | Monitoring objective determines method and device, video frequency monitoring method and device |
| CN113635833A (en) * | 2020-04-26 | 2021-11-12 | 晋城三赢精密电子有限公司 | Vehicle-mounted display device, method and system based on automobile A column and storage medium |
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- 2008-04-28 CN CNA200810066927XA patent/CN101340562A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107124582A (en) * | 2010-09-30 | 2017-09-01 | 星克跃尔株式会社 | The server and its method of security service are provided |
| CN104094280A (en) * | 2011-11-07 | 2014-10-08 | 爱福露恩斯公司 | Systems and methods for high-resolution gaze tracking |
| CN103020983A (en) * | 2012-09-12 | 2013-04-03 | 深圳先进技术研究院 | Human-computer interaction device and method used for target tracking |
| CN104125390A (en) * | 2013-04-28 | 2014-10-29 | 浙江大华技术股份有限公司 | Method and device for locating spherical camera |
| CN104125390B (en) * | 2013-04-28 | 2018-03-23 | 浙江大华技术股份有限公司 | A kind of localization method and device for ball-shaped camera |
| CN104253944A (en) * | 2014-09-11 | 2014-12-31 | 陈飞 | Sight connection-based voice command issuing device and method |
| CN105391986A (en) * | 2015-11-27 | 2016-03-09 | 国网北京市电力公司 | Video monitoring device and system for electric power inspection |
| CN107844734A (en) * | 2016-09-19 | 2018-03-27 | 杭州海康威视数字技术股份有限公司 | Monitoring objective determines method and device, video frequency monitoring method and device |
| CN107844734B (en) * | 2016-09-19 | 2020-07-07 | 杭州海康威视数字技术股份有限公司 | Monitoring target determination method and device and video monitoring method and device |
| CN107193381A (en) * | 2017-05-31 | 2017-09-22 | 湖南工业大学 | A kind of intelligent glasses and its display methods based on eyeball tracking sensing technology |
| CN113635833A (en) * | 2020-04-26 | 2021-11-12 | 晋城三赢精密电子有限公司 | Vehicle-mounted display device, method and system based on automobile A column and storage medium |
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