CN108095682B - Eye movement tracking system - Google Patents
Eye movement tracking system Download PDFInfo
- Publication number
- CN108095682B CN108095682B CN201711384913.8A CN201711384913A CN108095682B CN 108095682 B CN108095682 B CN 108095682B CN 201711384913 A CN201711384913 A CN 201711384913A CN 108095682 B CN108095682 B CN 108095682B
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- display module
- rocker
- connecting rod
- steering gear
- crank
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
- A61B3/113—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for determining or recording eye movement
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/011—Arrangements for interaction with the human body, e.g. for user immersion in virtual reality
- G06F3/013—Eye tracking input arrangements
Abstract
The invention discloses an eye tracking system, comprising: display module and information processing module still include: the support device comprises a first support rod and a second support rod, wherein the first support rod is of an electric telescopic structure, and a cuboid box body is horizontally arranged at the top end of the first support rod; the crank-rocker mechanism comprises a crank, a rocker and a connecting rod, wherein the crank, the rocker and the connecting rod are hinged to each other, the other end of the connecting rod is hinged to the cuboid box, and the display module is fixed at the joint of the connecting rod and the rocker. The invention can conveniently rotate and move, thereby reducing one screen and manufacturing cost.
Description
Technical Field
The invention relates to the field of eye tracker. More particularly, the present invention relates to an eye tracking system.
Background
The existing eye movement tracking system considers that glasses need to support an additional camera, and a glasses frame needs to be redesigned to meet requirements, so that the shape of the glasses is somewhat limited, the shape of the glasses frame cannot be freely selected, patients can not conveniently turn over when wearing the glasses, and the patients can also press ears when wearing the glasses for a long time. Therefore, the eye tracking system is designed to be capable of monitoring the movement track of the eyes of the patient, so that the eyes can synchronously move on the screen and can be used by the patient who cannot freely move. However, the existing eye tracking system needs two screens, one screen is used for a patient to provide an operation interface, the other screen is used for a doctor to check the requirements of the patient, and how to provide one screen can complete the functions of the two screens reduces the manufacturing cost of the eye tracking system, and has certain research value.
Disclosure of Invention
An object of the present invention is to solve at least the above problems and to provide at least the advantages described later.
It is yet another object of the present invention to provide an eye tracking system that facilitates rotation, movement, reduction of one screen, and reduced manufacturing costs.
To achieve these objects and other advantages in accordance with the purpose of the invention, there is provided an eye tracking system including: display module and information processing module still include:
the support device comprises a first support rod and a second support rod, wherein the first support rod is of an electric telescopic structure, and a cuboid box body is horizontally arranged at the top end of the first support rod;
the crank-rocker mechanism comprises a crank, a rocker and a connecting rod, the crank, the rocker and the connecting rod are hinged with each other, the other end of the connecting rod is hinged with the cuboid box body, and the display module is fixed at the joint of the connecting rod and the rocker;
drive arrangement, it set up in the cuboid box body, it includes motor, pinion, gear wheel and head rod, motor drive pinion rotates, the pinion with gear engagement, the coaxial fixation has the head rod on the gear wheel, the one end of head rod is worn out the cuboid box body with crank fixed connection.
Preferably, the first support rod, the crank and rocker mechanism and the drive means are made of copper or aluminium.
It is preferable that the first and second liquid crystal layers are formed of,
a display module for displaying an operation interface, the display module including an eye movement tracking module for tracking the eye movement of the user to generate an eye movement control instruction,
the information processing module is electrically connected with the display module and used for providing the operation interface to be displayed on the display module, the information processing module enables a user to control the operation interface to generate an execution command according to the eye movement control command, and the information processing module provides the user command on the display module according to the execution command.
Preferably, the method further comprises the following steps:
and the microcontroller is connected with the display module and the information processing module, receives an execution command and controls the lifting of the first supporting rod and the switching of the motor.
Preferably, an iron block is fixed on the rear end face of the display module, and an electromagnet is arranged at the joint of the connecting rod and the rocker;
and the microcontroller controls the electrification of the electromagnet.
Preferably, the upper end of first bracing piece is scalable end, the lower extreme of first bracing piece is the non-flexible end, still includes steering mechanism, and it includes:
the second supporting rod is horizontally fixed at the non-telescopic end of the first supporting rod;
the third supporting rod is vertically fixed at the other end of the second supporting rod, and the upper end of the third supporting rod is rotatably fixed with a first steering gear;
the second steering gear is of a fan-shaped structure, the included angle of the second steering gear is 145-160 degrees, the second steering gear is meshed with the first steering gear, and the second steering gear is driven to rotate by a forward and reverse rotating motor;
the screen fixing seat is positioned below the electromagnet, and the top end of the screen fixing seat is provided with an accommodating cavity of the display module;
when the rocker moves to a vertical state and the second steering gear rotates clockwise until the last tooth is meshed with the first steering gear, the vertical projection of the display module just falls into the accommodating cavity.
Preferably, the method further comprises the following steps:
the thickness of the rubber strip is 0.5-1cm, and the rubber strip is vertically arranged on the side of the cuboid box body;
the ultrathin pressure sensor is arranged on the side face, facing the rocker, of the rubber strip, the thickness of the ultrathin pressure sensor is 0.2-0.5mm, a pressure signal is output to the microcontroller, and the microcontroller converts the pressure signal and displays the converted pressure signal in the display module;
wherein, the rubber strip is set as when the rocker moves to the vertical state, it contacts with the rubber strip, but has no pressure.
Preferably, the lower end of the display module is provided with a cylindrical protrusion, and the screen fixing seat is provided with a through hole slightly larger than the protrusion.
The invention at least comprises the following beneficial effects: the eye tracking system can conveniently rotate and move, one screen is omitted, and manufacturing cost is reduced.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a schematic diagram of an eye tracking system according to one embodiment of the present invention;
fig. 2 is a schematic view of a steering mechanism according to an embodiment of the present invention.
101-upper end of first support rod 101, 102-lower end of first support rod 103-cuboid box 201-crank 202-connecting rod 203-rocker 301-display module 302-eye tracking module 303-cylindrical protrusion 401-second support rod 402-third support rod 403-screen fixing seat 404-first steering gear 405-second steering gear 5-rubber strip.
Detailed Description
The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description text.
It is to be noted that the experimental methods described in the following embodiments are all conventional methods unless otherwise specified, and the reagents and materials, if not otherwise specified, are commercially available; in the description of the present invention, the terms "lateral", "longitudinal", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
As shown in fig. 1-2, the present invention provides an eye tracking system, comprising: the display module 301 and the information processing module further include:
the support device comprises a first support rod, a second support rod and a third support rod, wherein the first support rod is of an electric telescopic structure, and a cuboid box body 103 is horizontally arranged at the top end of the first support rod;
the crank 201 rocker 203 mechanism comprises a crank 201, a rocker 203 and a connecting rod 202, wherein the crank 201, the rocker 203 and the connecting rod 202 are hinged with each other, the other end of the connecting rod 202 is hinged with the cuboid box body 103, and the display module 301 is fixed at the connecting position of the connecting rod 202 and the rocker 203; it is preferable that the maximum angle of the reciprocal swing of the rocking bar 203 is defined to be 45 °.
Drive arrangement, it set up in the cuboid box body 103, it includes motor, pinion, gear wheel and head rod, motor drive pinion rotates, the pinion with gear engagement, the coaxial fixation has the head rod on the gear wheel, the one end of head rod is worn out the cuboid box body 103 with crank 201 fixed connection.
And the microcontroller is connected with the display module 301 and the information processing module, and receives an execution command and controls the lifting of the first supporting rod and the switching of the motor.
In the above technical solution, the first supporting rod is a telescopic structure, so that the position of the display module 301 in the height direction can be adjusted, in order to enable the screen of the display module 301 and the eye movement tracking module 302 to be aligned with the eyes of the user more accurately, the horizontal direction of the display module 301 also needs to be adjusted, since the user cannot move freely, but the nurse can only adjust the screen roughly, and cannot adjust the screen precisely, and the patient needs to fine adjust himself/herself, therefore, a screen adjusting mechanism is designed, and in combination with intelligent control, for example, the first supporting rod or the driving device is started or closed through an option on the screen, so that the display module 301 is adjusted in the height direction through the first supporting rod, and the display module 301 swings in the left-right direction in an arc shape through the rocker 203, thereby adjusting the display module 301 in the X-axis direction. In addition, the intelligent control is not described herein in detail, which is the prior art, and thus, the position of the display module 301 can be conveniently adjusted by the eye movement control of the patient who cannot move freely.
In another solution, the first supporting rod, the crank-rocker mechanism and the driving device are made of copper or aluminum material, ferromagnetic elements in the screen of the display module are removed, and electronic elements with ferromagnetic properties are moved to be out of 50 gauss line. The screen and the screen driving circuit are integrally shielded to avoid the interference to the magnetic resonance radio frequency signals, and some signals which are easy to interfere the magnetic resonance radio frequency are processed. Distance transmission of eye movement signal acquisition: the method comprises the steps of collecting video signals of eye movement by using optical fiber transmission, digitizing the video signals in a magnetic resonance control room (a sending end), transmitting the video signals to a magnetic resonance shielding room (a receiving end) through the optical fiber, decoding the digital signals received by the optical fiber by the receiving end, reducing the digital signals into analog signals, and transmitting the analog signals to an eye tracker screen, so that an eye tracking system is directly used in a magnetic resonance environment, and a controller device is placed in the magnetic resonance room shielding room, thereby eliminating magnetic influence.
In another technical solution, the first and second parts are provided with a plurality of grooves,
a display module 301 for displaying an operation interface, wherein the display module 301 comprises an eye tracking module 302 for tracking the eye movement of the user to generate an eye movement control command,
the information processing module is electrically connected with the display module 301, the information processing module is used for providing the operation interface to be displayed on the display module 301, the information processing module enables a user to control the operation interface to generate an execution command according to an eye movement control instruction, and the information processing module provides the user command on the display module 301 according to the execution command.
For example, when a patient is in dizziness, the patient can be tracked by the eye movement tracking module 302 through the eye movement, so as to generate an eye movement control instruction, thereby controlling the operation on the display operation interface of the display module 301, so that information about the dizziness is displayed on the display screen of the display module 301, and a nurse can quickly know the state or the requirement of the patient.
In another technical scheme, an iron block is fixed on the rear end face of the display module 301, an electromagnet is arranged at the joint of the connecting rod 202 and the rocker 203, and the microcontroller controls the electromagnet to be electrified.
The upper end 101101 of first bracing piece is scalable end, the lower extreme 102 of first bracing piece is not scalable end, still includes steering mechanism, and it includes:
a second support bar 401 horizontally fixed to the non-retractable end of the first support bar;
a third support bar 402 vertically fixed to the other end of the second support bar 401, and rotatably fixed at the upper end thereof with a first steering gear 404;
the second steering gear 405 is of a fan-shaped structure, the included angle of the second steering gear 405 is 145-160 degrees, the second steering gear 405 is meshed with the first steering gear 404, and the second steering gear 405 is driven to rotate by a forward and reverse rotating motor;
the screen fixing seat 403 is positioned below the electromagnet, and the top end of the screen fixing seat 403 is provided with an accommodating cavity of the display module 301;
when the rocker 203 moves to the vertical state and the second steering gear 405 rotates clockwise until the last tooth is engaged with the first steering gear 404, the vertical projection of the display module 301 just falls into the accommodating cavity.
In the above technical scheme, after the dizziness signal control operation of the patient on the display operation interface is completed, the display module 301 needs to be rotated by a certain angle until the medical staff can see the dizziness signal, the patient firstly presents a vertical state by adjusting the display module 301 and moves the display module 301 into the screen fixing seat 403 through the first supporting rod, and then completes the screen steering control operation on the display operation interface through the patient, the controller controls the electromagnet to be powered off, the display module 301 is separated from the electromagnet, then the controller controls the second steering gear 405 to rotate, thereby driving the first steering gear 404 to rotate, and finally the screen can face the medical staff.
In another technical solution, the method further comprises:
the thickness of the rubber strip 5 is 0.5-1cm, and the rubber strip 5 is vertically arranged on the side of the cuboid box body 103;
the ultrathin pressure sensor is arranged on the side face, facing the rocker 203, of the rubber strip 5, the thickness of the ultrathin pressure sensor is 0.2-0.5mm, a pressure signal is output to the microcontroller, and the microcontroller converts the pressure signal and displays the converted pressure signal in the display module 301;
wherein the rubber strip 5 is arranged such that when the rocker 203 moves to the vertical state, it is in contact with the rubber strip 5 but without pressure.
In the above technical solution, in order to ensure that the display module 301 faces the patient again, the display module 301 can be aligned, the rocker 203 needs to be swung to a vertical state, and therefore the rubber strip 5 is provided, when the rocker 203 is just in contact with the rubber strip 5, or a small pressure value exists, it is indicated that the rocker 203 is substantially in the vertical state, the rocker is moved to the contact of the electromagnet and the iron block, the electromagnet is controlled to be electrified through the controller, and the display module 301 is fixed through the electromagnet.
In another technical solution, the lower end of the display module 301 has a cylindrical protrusion 303, and the screen fixing base 403 has a through hole slightly larger than the protrusion, so as to ensure that the display module 301 and the screen fixing base 403 are fixed more stably.
While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
Claims (4)
1. An eye tracking system comprising: display module and information processing module, its characterized in that still includes:
the support device comprises a first support rod and a second support rod, wherein the first support rod is of an electric telescopic structure, and a cuboid box body is horizontally arranged at the top end of the first support rod;
the crank-rocker mechanism comprises a crank, a rocker and a connecting rod, the crank is hinged with one end of the connecting rod, the rocker is hinged with the other end of the connecting rod, the other end of the crank is hinged with the cuboid box body, and the display module is fixed at the joint of the connecting rod and the rocker;
the driving device is arranged in the cuboid box body and comprises a motor, a pinion, a gear wheel and a first connecting rod, the motor drives the pinion to rotate, the pinion is meshed with the gear wheel, the gear wheel is coaxially fixed with the first connecting rod, and one end of the first connecting rod penetrates out of the cuboid box body and is fixedly connected with the crank;
a display module for displaying an operation interface, the display module including an eye movement tracking module for tracking the eye movement of the user to generate an eye movement control instruction,
the information processing module is electrically connected with the display module and used for providing the operation interface to be displayed on the display module, the information processing module enables a user to control the operation interface to generate an execution command according to an eye movement control instruction, and the information processing module provides the user command on the display module according to the execution command;
the microcontroller is connected with the display module and the information processing module, receives an execution command and controls the lifting of the first supporting rod and the switching of the motor;
an iron block is fixed on the rear end face of the display module, and an electromagnet is arranged at the joint of the connecting rod and the rocker;
the microcontroller controls the electrification of the electromagnet;
the upper end of first bracing piece is scalable end, the lower extreme of first bracing piece is the end that can not stretch out and draw back, still includes steering mechanism, and it includes:
the second supporting rod is horizontally fixed at the non-telescopic end of the first supporting rod;
the third supporting rod is vertically fixed at the other end of the second supporting rod, and the upper end of the third supporting rod is rotatably fixed with a first steering gear;
the second steering gear is of a fan-shaped structure, the included angle of the second steering gear is 145-160 degrees, the second steering gear is meshed with the first steering gear, and the second steering gear is driven to rotate by a forward and reverse rotating motor;
the screen fixing seat is positioned below the electromagnet, and the top end of the screen fixing seat is provided with an accommodating cavity of the display module;
when the rocker moves to a vertical state and the second steering gear rotates clockwise until the last tooth is meshed with the first steering gear, the vertical projection of the display module just falls into the accommodating cavity.
2. The eye tracking system of claim 1 wherein said first support bar, crank and rocker mechanism and drive means are made of copper or aluminum.
3. The eye tracking system of claim 1 further comprising:
the thickness of the rubber strip is 0.5-1cm, and the rubber strip is vertically arranged on the side of the cuboid box body;
the ultrathin pressure sensor is arranged on the side face, facing the rocker, of the rubber strip, the thickness of the ultrathin pressure sensor is 0.2-0.5mm, a pressure signal is output to the microcontroller, and the microcontroller converts the pressure signal and displays the converted pressure signal in the display module;
wherein, the rubber strip is set as when the rocker moves to the vertical state, it contacts with the rubber strip, but has no pressure.
4. The eye tracking system of claim 1 wherein said display module has a cylindrical projection at a lower end thereof and said screen holder has a through hole therein slightly larger than said projection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711384913.8A CN108095682B (en) | 2017-12-20 | 2017-12-20 | Eye movement tracking system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711384913.8A CN108095682B (en) | 2017-12-20 | 2017-12-20 | Eye movement tracking system |
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| CN108095682A CN108095682A (en) | 2018-06-01 |
| CN108095682B true CN108095682B (en) | 2020-02-07 |
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| CN201711384913.8A Active CN108095682B (en) | 2017-12-20 | 2017-12-20 | Eye movement tracking system |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112578904B (en) * | 2020-11-17 | 2021-12-14 | 北京津发科技股份有限公司 | Man-machine interaction testing device for mobile terminal |
| CN114619972A (en) * | 2020-12-11 | 2022-06-14 | 上海博泰悦臻网络技术服务有限公司 | Suspension support and support adjustment method |
| CN115059848A (en) * | 2022-08-16 | 2022-09-16 | 江苏长松科技发展有限公司 | Image processing device for smart city convenient to correct deviation angle |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201498138U (en) * | 2009-10-16 | 2010-06-02 | 李正峰 | Hinged four-lever mechanism demonstrator |
| CN201886690U (en) * | 2010-12-17 | 2011-06-29 | 魏秀军 | Hinged four-bar linkage type demonstration device |
| US8636361B2 (en) * | 2011-07-20 | 2014-01-28 | National Taiwan University | Learning-based visual attention prediction system and method thereof |
| TWI482610B (en) * | 2012-06-05 | 2015-05-01 | Utechzone Co Ltd | Two - way communication system |
| CN102789721A (en) * | 2012-08-10 | 2012-11-21 | 无锡商业职业技术学院 | Four-bar mechanism for teaching |
| CN203313282U (en) * | 2013-05-29 | 2013-11-27 | 赖慧丽 | Automatic head-rocking camera based on crank and rocker mechanism |
| CN204332222U (en) * | 2014-12-16 | 2015-05-13 | 广东工业大学 | A kind of double leval jib apparatus for demonstrating |
| CN204814294U (en) * | 2015-06-18 | 2015-12-02 | 苏州德品医疗科技股份有限公司 | ICU is eye movement calling system for disability |
| CN207516936U (en) * | 2017-12-20 | 2018-06-19 | 武汉智普天创科技有限公司 | The dynamic tracing system of eye |
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