CN208625662U - Rafractive human eye automatic tracking system - Google Patents
Rafractive human eye automatic tracking system Download PDFInfo
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- CN208625662U CN208625662U CN201820343389.3U CN201820343389U CN208625662U CN 208625662 U CN208625662 U CN 208625662U CN 201820343389 U CN201820343389 U CN 201820343389U CN 208625662 U CN208625662 U CN 208625662U
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- module
- human eye
- rafractive
- arm microcontroller
- tracking system
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Abstract
The utility model relates to a kind of rafractive human eye automatic tracking systems, it include scan module, identification module, tracking module and Focusing module it is characterized by comprising key module, signal acquisition module, image processing unit, ARM microcontroller, three-dimensional mobile module and SD card module, described image processing unit.Design is scientific and reasonable for the utility model, and positioning focusing is accurate, can be realized human eye automation and intelligentification tracking and positioning, improves eyesight testing accuracy and test speed, improves working efficiency.
Description
Technical field
The utility model belongs to medical instruments field, is related to rafractive, in particular to a kind of rafractive human eye
Automatic tracking system.
Background technique
With the arrival in information-based, with no paper epoch, the use of electronic product is gradually popularized in we live, but
It is that the visual problems of user's eyes are also brought while offering convenience for us electronic age.Long-term opposite computer or hand
Machine, the eyes of people can fatigue tired out cause visual impairment.Therefore, present eyeglass wearer is more and more.
In order to preferably protect eyesight, protective spectacles requires to improve to the selection of glasses.Carrying out glasses purchase
When, the detection of eyesight is had to precisely accurate.Currently, the test of eyesight mainly uses rafractive, existing computer is tested
Light instrument needs optist repeatedly to adjust optometry unit control stick manually to realize the searching and positioning of human eye, and adjustment speed is by optometry
The experience of teacher influences, therefore, lower to the measuring accuracy of eyesight, positional accuracy is poor and test speed is slow, influences to human eye
The accurate test of eyesight, it is unfavorable to sight protectio.
By the retrieval to patent document, discovery and the same or similar publication of present patent application be not literary
It offers.
Summary of the invention
The purpose of the utility model is to overcome the deficiencies in the prior art, it is accurate to provide a kind of positioning focusing, can be realized
Human eye automation and intelligentification tracking and positioning improves eyesight testing accuracy and test speed, improves the computerized optometry of working efficiency
Instrument human eye automatic tracking system.
The utility model solves its technical problem and is achieved through the following technical solutions:
A kind of rafractive human eye automatic tracking system, it is characterised in that: including key module, signal acquisition module,
Image processing unit, ARM microcontroller, three-dimensional mobile module and SD card module, described image processing unit include scan module,
Identification module, tracking module and Focusing module, the key module are connected to signal acquisition module, and the signal acquisition module connects
It is connected to image processing unit, scan module, identification module, tracking module and the Focusing module of described image processing unit are all connected with
To ARM microcontroller, the key module, SD card module and three-dimensional mobile module are connected to ARM microcontroller, the three-dimensional
Mobile module is connected to signal acquisition module.
Moreover, the scan module, identification module, tracking module and Focusing module pass through HPI interface and ARM microcontroller
Device connection.
Moreover, the SD card module is connect by SPI interface with ARM microcontroller.
Moreover, the key module and three-dimensional mobile module pass through I/O interface and connect with ARM microcontroller.
Moreover, the ARM microcontroller uses S3C2410 model ARM microcontroller.
Moreover, described image processing unit is dsp chip, which uses TMS320DM642 model dsp chip.
Moreover, the three-dimensional mobile module is three stepper motors for controlling X, Y, Z-direction respectively.
It the advantages of the utility model and has the beneficial effect that
1, the rafractive human eye automatic tracking system of the utility model, ARM microcontroller control the shifting of three-dimensional platform
It is dynamic, it drives the selected left eye of signal acquisition module or right eye mode to carry out signal acquisition, recognizes human eye by image procossing
The hot spot that corneal reflection is returned immediately ahead of pupil, processing result and then control three of the ARM microcontroller according to image processing unit
It ties up mobile module and real-time tracking is carried out to hot spot, realize the fast automatic tracking positioning function of rafractive, eliminate artificial
It finds manually, the process of positioning target；And improve focusing precision, shorten focusing time, realize computerized optometry full-automation and
It is intelligent.
2, the rafractive human eye automatic tracking system of the utility model, easy to operate, locating and tracking is accurate, improves electricity
The accuracy of brain prescription shortens the optometry time, improves working efficiency.
3, design is scientific and reasonable for the utility model, and positioning focusing is accurate, and it is fixed to can be realized the tracking of human eye automation and intelligentification
Eyesight testing accuracy and test speed are improved in position, improve working efficiency.
Detailed description of the invention
Fig. 1 is the principles of the present invention block diagram；
Fig. 2 is the composition figure of the utility model image processing unit.
Specific embodiment
Below by specific embodiment, the utility model is described in further detail, following embodiment be it is descriptive, no
It is restrictive, protection scope of this utility model cannot be limited by this.
A kind of rafractive human eye automatic tracking system, innovation are: including key module, signal acquisition mould
Block, image processing unit, ARM microcontroller, three-dimensional mobile module and SD card module, image processing unit include scan module,
Identification module, tracking module and Focusing module, key module are connected to signal acquisition module, and signal acquisition module is connected to image
Processing unit, scan module, identification module, tracking module and the Focusing module of image processing unit are connected to ARM microcontroller
Device, the key module, SD card module and three-dimensional mobile module are connected to ARM microcontroller, and three-dimensional mobile module is connected to
Signal acquisition module.
Scan module, identification module, tracking module and Focusing module pass through HPI interface and connect with ARM microcontroller.
SD card module is connect by SPI interface with ARM microcontroller.
Key module and three-dimensional mobile module pass through I/O interface and connect with ARM microcontroller.
ARM microcontroller uses S3C2410 model ARM microcontroller.
Image processing unit is dsp chip, which uses TMS320DM642 model dsp chip.
Three-dimensional mobile module is three stepper motors for controlling X, Y, Z-direction respectively.
The working principle of the utility model are as follows:
After rafractive human eye automatically tracks positioning system start-up operation, right eye or left eye mould are selected in key module
Formula, ARM microcontroller drive the movement in X, Y, Z axis of three-dimensional mobile module to be scanned, view of the image processing unit to acquisition
Frequency image data carries out real-time analysis processing, identifies to human eye flare, in image procossing, if gone out without hot spot
Existing, three-dimensional mobile module continues that signal acquisition module is driven to be scanned, and if there is hot spot occurs, then stops scanning；Picture number
Start to calculate miss distance of luminous spot according to processing unit and move is transmitted to ARM microcontroller, ARM microcontroller driving is three-dimensional to move
Dynamic model block moves on XY vertical plane, so that spot center, always in display alignment mark region, tracking work is completed；Most
Data processing section judges whether flare imaging is clear, and move is transmitted to ARM according to focusing clarity evaluation parameter afterwards
Microcontroller, ARM microcontroller driving three-dimensional platform move in the Z-axis direction, i.e. optical axis direction, until hot spot imaging clearly,
Auto-focusing work is completed.
Although disclosing the embodiments of the present invention and attached drawing for the purpose of illustration, those skilled in the art can be with
Understand: departing from the utility model and spirit and scope of the appended claims, various substitutions, changes and modifications are all can
Can, therefore, the scope of the utility model is not limited to the embodiment and attached drawing disclosure of that.
Claims (7)
1. a kind of rafractive human eye automatic tracking system, it is characterised in that: including key module, signal acquisition module, figure
As processing unit, ARM microcontroller, three-dimensional mobile module and SD card module, described image processing unit includes scan module, knows
Other module, tracking module and Focusing module, the key module are connected to signal acquisition module, the signal acquisition module connection
To image processing unit, scan module, identification module, tracking module and the Focusing module of described image processing unit are connected to
ARM microcontroller, the key module, SD card module and three-dimensional mobile module are connected to ARM microcontroller, the three-dimensional shifting
Dynamic model block is connected to signal acquisition module.
2. rafractive human eye automatic tracking system according to claim 1, it is characterised in that: the scan module,
Identification module, tracking module and Focusing module pass through HPI interface and connect with ARM microcontroller.
3. rafractive human eye automatic tracking system according to claim 1, it is characterised in that: the SD card module is logical
SPI interface is crossed to connect with ARM microcontroller.
4. rafractive human eye automatic tracking system according to claim 1, it is characterised in that: the key module and
Three-dimensional mobile module passes through I/O interface and connect with ARM microcontroller.
5. rafractive human eye automatic tracking system according to claim 1, it is characterised in that: the ARM microcontroller
Device uses S3C2410 model ARM microcontroller.
6. rafractive human eye automatic tracking system according to claim 1, it is characterised in that: described image processing is single
Member is dsp chip, which uses TMS320DM642 model dsp chip.
7. rafractive human eye automatic tracking system according to claim 1, it is characterised in that: the three-dimensional mobile mould
Block is three stepper motors for controlling X, Y, Z-direction respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820343389.3U CN208625662U (en) | 2018-03-14 | 2018-03-14 | Rafractive human eye automatic tracking system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820343389.3U CN208625662U (en) | 2018-03-14 | 2018-03-14 | Rafractive human eye automatic tracking system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208625662U true CN208625662U (en) | 2019-03-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820343389.3U Expired - Fee Related CN208625662U (en) | 2018-03-14 | 2018-03-14 | Rafractive human eye automatic tracking system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208625662U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108464812A (en) * | 2018-03-14 | 2018-08-31 | 天津市职业大学 | Rafractive human eye automatic tracking system and method |
-
2018
- 2018-03-14 CN CN201820343389.3U patent/CN208625662U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108464812A (en) * | 2018-03-14 | 2018-08-31 | 天津市职业大学 | Rafractive human eye automatic tracking system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190322 Termination date: 20210314 |