CN208693251U - A kind of system for accelerating OCT equipment to be aligned with human eye by iris recognition - Google Patents
A kind of system for accelerating OCT equipment to be aligned with human eye by iris recognition Download PDFInfo
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- CN208693251U CN208693251U CN201721923827.5U CN201721923827U CN208693251U CN 208693251 U CN208693251 U CN 208693251U CN 201721923827 U CN201721923827 U CN 201721923827U CN 208693251 U CN208693251 U CN 208693251U
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Abstract
The utility model discloses a kind of system for accelerating OCT equipment to be aligned with human eye by iris recognition, comprising: camera module, for acquiring the iris image of patient's eyeball；Image processor, the iris image for obtaining the camera module parse iris image sample information；Memory, for binding storage by iris image sample information and with patient information；Iris recognition module, whether patient's iris image for determining to obtain is consistent with the information of database purchase, is, the information of database purchase is sent to motor adjustment module, patient's iris image information is otherwise sent to motor adjustment module；Motor adjusts module, the position that the iris image sample information received is fed back to motor to adjust OCT apart from human eye.Change the position of human eye distance OCT equipment using the adjustment of stepper motor by the identification of iris image, the alignment speed for accelerating OCT equipment initial achievees the effect that adjustment OCT equipment alignment function.
Description
Technical field
The utility model relates to optical coherent chromatographic imaging fields, and in particular to a kind of to accelerate OCT to set by iris recognition
The standby system being aligned with human eye.
Background technique
Optical coherent chromatographic imaging (OCT, OpticalCoherenceTomography) is a kind of emerging optical imagery
Technology, for traditional clinical imaging means, have high resolution, image taking speed, radiationless damage, it is moderate,
The advantages that compact-sized is the important potential tool of basic medical research and clinical diagnostic applications.Currently, optics is used a variety of
In the Ophthalmologic apparatus of instrument, the OCT device for eye examination and treatment has become the indispensable eye of eye disease diagnosis
Section's equipment.
OCT equipment needs that instrument optical path primary optical axis is allowed to be directed at pupil of human or corneal vertex, and the alignment procedures occupy
On the other hand there is the patient of reinspection and repeat asking using iris recognition alignment pupil in the working time of more OCT equipment
Topic, therefore the efficiency of OCT equipment reception patient in urgent need to be improved at present.
Utility model content
The purpose of this utility model is that being directed to above-mentioned problems of the prior art, propose a kind of by iris knowledge
Not Jia Su the system that is aligned with human eye of OCT equipment, reduce the time of OCT equipment alignment procedures, connecing for OCT equipment can be effectively improved
To patient's efficiency.
To achieve the purpose that above-mentioned utility model, the utility model is achieved through the following technical solutions:
The utility model discloses a kind of system for accelerating OCT equipment to be aligned with human eye by iris recognition, comprising:
Camera module, for acquiring the iris image of patient s pupil；
Image processor, the iris image for obtaining the camera module parse iris image sample information；
Memory, for binding storage by iris image sample information and with patient information；
Iris recognition module, whether patient's iris image for determining to obtain is consistent with the information of database purchase, if
It is the information of database purchase to be then sent to motor adjustment module, if it is not, then sending out the patient's iris image information newly obtained
Give motor adjustment module；
Motor adjusts module, the position that the iris image sample information received is fed back to motor to adjust OCT apart from human eye
It sets.
Compared with prior art, the utility model patent has the advantage that as follows:
In the OCT scan initial stage, initial assessment human eye can be known at a distance from camera lens by the iris of single camera
Other picture quality judges the distance of the distance of scanning, and extracts the information of patient, this is to be adjusted by motor dynamics
Process can be changed the position of human eye distance OCT equipment camera lens, be reached after image is identified by the adjustment of stepper motor
Preliminary identification OCT accelerates the initial alignment speed of OCT equipment, and can quickly extract very much patient to human eye distance
Information has the function that intelligentized adjustment OCT equipment alignment function.
Detailed description of the invention
Fig. 1 is the structural block diagram of OCT equipment.
Fig. 2 is the system for accelerating OCT equipment to be aligned with human eye by iris recognition of the utility model
Fig. 3 is the iris recognition mould of the system for accelerating OCT equipment to be aligned with human eye by iris recognition of the utility model
Block structure block diagram.
Fig. 4 is the work step figure of the system for accelerating OCT equipment to be aligned with human eye by iris recognition of the utility model,
Fig. 5 is the work flow diagram of the system for accelerating OCT equipment to be aligned with human eye by iris recognition of the utility model
Specific embodiment
With reference to the accompanying drawings and examples to the technical scheme in the embodiment of the utility model carry out it is clear, completely retouch
It states, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole embodiments.
OCT equipment is used to acquire the eyeground information of whole human eye, generates the eyeground cross sectional image of human eye and the blood of human eye
Pipe image, this is illustrated for sentencing the structural block diagram of OCT equipment shown in Fig. 1, since the system of the utility model is to be used for
To the auxiliary adjustment of the OCT equipment, the structure of OCT equipment is only known about, is just conducive to the elaboration of Tthe utility model system.OCT
Equipment is to scan the eyeball of human eye by linear camera to generate image, which starts from light source 101, light source
101 light generated, by the conversion of cylindrical lenses 103 and slit mirror 104, reach surface sweeping mirror 105 after collimator 102
Part, the scanning galvanometer 105 of this part are that long wave leads to heat mirror, reach main scanning lens light path part using spectroscope 106
107, then after patient's ophthalmoscope 109, reach patient's eyeball.After light returns to spectroscope 106 from the road ocular reflex Hou Yuan
Into OCT equipment image-forming module 110, the eyeground cross sectional image of human eye and the blood-vessel image of human eye are finally shot.
It is the system for accelerating OCT equipment to be aligned with human eye by iris recognition of the utility model, Fig. 1's referring to Fig. 2
It is to be set between patient's ophthalmoscope 108 and patient's eyeball 109, and adopted to the iris image of patient's eyeball 109 in structural block diagram
Collection, then only need patient to be sitting within detection zone and detect, under the application scenarios, Tthe utility model system includes:
Camera module 2, for acquiring the iris image of patient's eyeball 109；
Image processor 3, the iris image for obtaining the camera module 2 parse iris image sample letter
Breath；
Memory 5, for binding storage by iris image sample information and with patient information；
Iris recognition module 4, whether patient's iris image for determining to obtain is consistent with the information of database purchase, is
The information of database purchase is then sent to motor adjustment module, the patient's iris image information newly obtained is otherwise sent to electricity
Machine adjusts module；
Motor adjusts module 6 and feeds back to motor according to the iris image sample information received to adjust 1 distance of OCT equipment
The position of patient's eyeball 109, the i.e. relative position of the patient's ophthalmoscope 109 Yu patient's eyeball 109 of OCT equipment 1.
The camera module 2 includes:
Eyeglass mould group 21, for patient's eyeball 109 of focusing in imaging region；
Imaging sensor 22, for the imaging region of eyeglass mould group 21 to be fallen into its photosensitive region, to obtain iris figure
Picture.
The iris image sample information that image processor 3 parses includes patient information, definition of iris image, pupil position
Set the image value with iris image.
The structural block diagram of the iris recognition module 4 of illustrated embodiment referring to Fig. 3 comprising have:
Contrast module 41, for will be in the incoming iris image sample information of image processor 22 and the memory 5
Iris image sample information is compared, and comparison is identical, then the iris image sample information in memory 5 is sent to OCT and set
Standby 1, otherwise identification operation will be carried out to the iris image of acquisition；
Identification module 42, for carrying out identification operation, and the iris image sample that will be identified to iris image sample information
This information is sent to motor adjustment module 6.
The identification of the identification module 42 operates are as follows: the image value shot using the image value and OCT equipment 1 of iris image
It compares, and imaging is optimized and revised；Determine whether the fundus imaging figure of the iris image obtained is located at OCT image and needs most
Best placement obtains pupil relative position with this.
Referring to Fig. 4 and embodiment shown in fig. 5, be the utility model one kind by iris recognition accelerate OCT equipment and
Work flow diagram of the human eye to Barebone, the specific steps are as follows:
Step 1, iris image sample information is grabbed；
Step 2, judge whether grabbed iris pattern sample information is further consultation sufferer, is, transferring patient's letter from the background
Breath, and otherwise adjust automatically patient information starts to compare iris image sample information adjustment OCT equipment camera lens 1 to OCT equipment 1
Locality；
Step 3, the eyeball Image Acquisition work of OCT equipment is carried out.
The iris image sample information of embodiment described in step 2 includes patient information, definition of iris image, pupil position
Set the image value with iris image.
The step 1 further includes the preliminary judgement of iris image:
Step 11, according to the clarity of the iris image of crawl come between first 1 optical lens of successive step OCT equipment and human eye
Distance；
Step 12, by judging relative position of the pupil in whole image, to adjust optical lens position up and down,
So that light beam is incident on pupil center.
Further consultation sufferer is judged whether it is described in step 2, is the patients database saved by connection memory 5 and current
The personal information of patient is compared；The patients database includes the case, personal information, iris image sample information of patient
Data are adjusted with OCT equipment.The database of patient is read by comparing, if it is the patient having had, we can be from number
According to any information for reading patient in library, the name age height including patient, case before.Patient can be read to exist before
The OCT equipment tested in this OCT equipment adjusts data, the automatic adjustment of OCT equipment thus can be used, and set OCT
The standby test parameter that will soon find the patient, allows OCT equipment to be adapted to patient faster.
The method of the locality for comparing iris image sample information adjustment OCT equipment camera lens of the step 2 are as follows:
Step 21, the image value of the image value of the iris image of crawl and the imaging of OCT equipment is compared to optimize and revise OCT
Equipment；
Step 22, whether the optimum bit that the imaging of OCT equipment needs is located at according to the fundus imaging figure of the iris image of crawl
It sets, and adjusts the camera lens of OCT equipment until reaching optimum position.
The utility model provide it is a kind of the system that is aligned with human eye of OCT equipment is accelerated by iris recognition, by with number
According to the identification of patient's iris image drawing information in library and the iris image sample information to acquisition, the work that iris image plays
With the key for being equivalent to OCT, there are two types of modes: if it is the patient for carrying out further consultation, can automatically adjust OCT total system and be used to fit
Should patient eyeball；Then human eye can be automatically positioned if it is newly medical patient and realizes the function of OCT auto-focusing.
Realization accelerates the initial alignment speed of OCT, reduces the time of OCT equipment alignment procedures, and the reception for effectively improving OCT equipment is suffered from
Person's efficiency.
Above-described embodiment is only to illustrate the utility model and not limits technical solution described in the utility model；Cause
This, is although this specification has been carried out detailed description to the utility model referring to above-mentioned each embodiment, this field
It is to be appreciated by one skilled in the art that still can be modified or replaced equivalently to the utility model；And all are not departed from
The technical solution and its improvement of the spirit and scope of the utility model, should all cover the scope of the claims in the utility model
In the middle.
Claims (5)
1. a kind of system for accelerating OCT equipment to be aligned with human eye by iris recognition characterized by comprising
Camera module, for acquiring the iris image of patient's eyeball；
Image processor, the iris image for obtaining the camera module parse iris image sample information；
Memory, for binding storage by iris image sample information and with patient information；
Iris recognition module, whether patient's iris image for determining to obtain is consistent with the information of database purchase, if so,
The information of database purchase is sent to motor adjustment module, if it is not, patient's iris image information is then sent to motor adjustment
Module；
Motor adjusts module, the position that the iris image sample information received is fed back to motor to adjust OCT apart from human eye.
2. the system according to claim 1 for accelerating OCT equipment to be aligned with human eye by iris recognition, which is characterized in that
The camera module includes:
Eyeglass mould group, for the patient s pupil that focuses in imaging region；
Imaging sensor, for the imaging region of eyeglass mould group to be fallen into its photosensitive region, to obtain iris image.
3. the system according to claim 1 for accelerating OCT equipment to be aligned with human eye by iris recognition, which is characterized in that
The iris image sample information includes the image value of patient information, definition of iris image, pupil position and iris image.
4. the system that is aligned with human eye of OCT equipment is accelerated by iris recognition to described in 3 any one according to claim 1,
It is characterized in that, the iris recognition module includes:
Contrast module, the iris image sample in iris image sample information and the memory for image processor to be passed to
This information is compared, and compares identical, then the iris image sample information in memory is sent to OCT equipment, otherwise to adopting
The iris image of collection carries out identification operation；
Identification module, for carrying out identification operation, and the iris image sample information that will be identified to iris image sample information
It is sent to motor adjustment module.
5. the system according to claim 4 for accelerating OCT equipment to be aligned with human eye by iris recognition, which is characterized in that
The identification of the identification module operates are as follows: compared using the image value that the image value of iris image is shot with OCT equipment, and at
As optimizing and revising；Determine whether the fundus imaging figure of the iris image obtained is located at the optimum position of OCT image needs, with this
Obtain pupil position.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108158555A (en) * | 2017-12-31 | 2018-06-15 | 执鼎医疗科技（杭州）有限公司 | A kind of system and method for OCT equipment being accelerated to be aligned with human eye by iris recognition |
| CN111643049A (en) * | 2020-06-10 | 2020-09-11 | 苏州比格威医疗科技有限公司 | Ophthalmic optical coherence tomography scanner and method for acquiring eye scanning image |
| CN115474895A (en) * | 2022-09-29 | 2022-12-16 | 山东探微医疗技术有限公司 | OCT (optical coherence tomography) fundus imaging device and method |
-
2017
- 2017-12-31 CN CN201721923827.5U patent/CN208693251U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108158555A (en) * | 2017-12-31 | 2018-06-15 | 执鼎医疗科技（杭州）有限公司 | A kind of system and method for OCT equipment being accelerated to be aligned with human eye by iris recognition |
| CN111643049A (en) * | 2020-06-10 | 2020-09-11 | 苏州比格威医疗科技有限公司 | Ophthalmic optical coherence tomography scanner and method for acquiring eye scanning image |
| CN115474895A (en) * | 2022-09-29 | 2022-12-16 | 山东探微医疗技术有限公司 | OCT (optical coherence tomography) fundus imaging device and method |
| CN115474895B (en) * | 2022-09-29 | 2024-05-28 | 山东探微医疗技术有限公司 | OCT fundus imaging device and method |
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