CN107095733B - Amblyopia treatment system based on AR technology - Google Patents
Amblyopia treatment system based on AR technology Download PDFInfo
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- CN107095733B CN107095733B CN201710264891.5A CN201710264891A CN107095733B CN 107095733 B CN107095733 B CN 107095733B CN 201710264891 A CN201710264891 A CN 201710264891A CN 107095733 B CN107095733 B CN 107095733B
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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
- A61B3/0016—Operational features thereof
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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
- A61B3/02—Subjective types, i.e. testing apparatus requiring the active assistance of the patient
- A61B3/028—Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing visual acuity; for determination of refraction, e.g. phoropters
- A61B3/032—Devices for presenting test symbols or characters, e.g. test chart projectors
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F9/00—Methods or devices for treatment of the eyes; Devices for putting in contact-lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
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Abstract
The present invention provides a kind of amblyopia treatment system based on AR technology, which includes obtaining module, laminating module and rendering module.Obtain the object in module acquisition augmented reality AR scene.Laminating module will be in the object of preset amblyopia treatment image superposition to AR scene.Rendering module renders amblyopia treatment image according to the result that amblyopia detects, and the pattern for making two width in amblyopia treatment image have identical visual is presented with different rendering parameters.
Description
Technical field
The present invention relates to the therapeutic equipments of amblyopia, and in particular to a kind of amblyopia treatment system based on AR technology.
Background technique
Amblyopia is a kind of eye disease for seriously endangering children's vision function, is detected currently based on the amblyopia of traditional covering method design
Correction system generally has because covering influences whether the daily life of patient and influences beauty, so that patient doctor is poor from property,
It is high that treatment ratio is abandoned in midway；Each treatment time is not grown, and must go to hospital's face-to-face exchange and follow-up some patientss
More bad after, therapeutic effect is not significant；Recurrence is difficult to avoid that some patientss more afterwards；More the stereopsis of patient restores undesirable etc. after
Various disadvantages.
Recently as being showing improvement or progress day by day for electronic product, the novel glasses based on liquid crystal display are introduced into amblyopia treatment
Research in.But existing amblyopia correcting device only improves treatment glasses compared with traditional covering method amblyopia treatment equipment
Appearance.It increases although this changes lower patient doctor from property, due to using adjustable transparency eyeglass, one can only be adjusted thoroughly
Brightness vision association attributes, and transparency is taken and manually adjusted, be bound to cause user due to unscientific switching transparency to
High ambient light is bright in outdoor environment and display content comparison is insufficient or the dark low environment light in interior causes content excessively bright.Due to
Equipment is professional amblyopia correction medical instrument, and unscientific manual transparency setting is most probably to cause treatment disorder.Into one
Step, the novel glasses based on liquid crystal display do not fully consider amblyopia treatment in clinical specific requirements, such product packet
Containing treatment and detection both of which.It is only while changing transparency, to be examined by the correlation of external professional personnel under detection pattern
Material mating and identification are surveyed to confirm detection effect, is substantially still traditional detection；In addition settable view in the therapeutic mode
Feel that parameter attribute is single, be only adjustable transparency, it is more with brightness, contrast or even the color controled the inferior etc. that eyes can not be met at all
The requirement of kind perceptual property variation.
In addition, consider from cost and structure, such product using can transparent display screen, on the market at present still in laboratory
In the routine tests stage, be not fully able to the original part of volume production, product can not volume production, cost is high.
Summary of the invention
The present invention is poor so as to cause therapeutic effect for the normal life for overcoming existing amblyopia treatment equipment to influence patient
The problem of, a kind of amblyopia treatment system based on AR technology is provided.
To achieve the goals above, the present invention provides a kind of amblyopia treatment system based on AR technology, which includes obtaining
Modulus block, laminating module and rendering module.Obtain the object in module acquisition augmented reality AR scene.Laminating module will
Preset amblyopia treatment image superposition is into the object of AR scene.Rendering module renders amblyopia treatment according to the result that amblyopia detects
Image, the pattern for making two width in amblyopia treatment image have identical visual are presented with different rendering parameters.
In one embodiment of the invention, rendering parameter include the form and aspect of pattern, saturation degree, contrast, brightness, colorfulness with
And gray scale.
In one embodiment of the invention, the amblyopia treatment system based on AR technology further includes amblyopia detection module, amblyopia inspection
Surveying module includes display module, detection module and authentication module.Display module is shown in response to the operation of triggering amblyopia detection
Preset amblyopia detection image.Detection module detection is directed to the judgement information of amblyopia detection image.Authentication module confirmation judgement letter
Breath result whether consistent and according to confirmation with the information in preset amblyopia detection image obtains the testing result of amblyopia.
In one embodiment of the invention, amblyopia detection image includes eyesight detection image, Contrast Detection image, eyes suppression
Any two or more combination in processing procedure degree detection image or autokinesis detection image.
In one embodiment of the invention, Contrast Detection image is gabor filter profile, and gabor filter profile goes out at random
It disappears after now a period of time, detection module detects the gabor filter profile of input within the period that gabor filter profile occurs
Direction.
In one embodiment of the invention, if the information of the judgement information and preset amblyopia detection image that continuously input three times
Amblyopia detection image that is consistent then showing promotes a detection level；If misjudgment is primary, the amblyopia detection image shown
A detection level is reduced, detection level is lower, and characterization amblyopia is more serious, until ten detections terminate, display module statistics is last
The detection levels of six detections are simultaneously shown after being averaged.
In one embodiment of the invention, eyes inhibition level detection image be simultaneously displaying on eyes screen by two
The interference sine wave of opposite in phase is formed by two raster graphics with out of phase, brightness and contrast, judges to believe
Breath is the pixel line being input on two screens, then when the pixel line of input is overlapped with the median vertical line in two raster graphics
Think that eyes are normal, if there is deviation, the pixel distance of deviation is that the brightness and contrast of eyes inhibits threshold value.
In one embodiment of the invention, the brightness and contrast of raster graphic corresponding to detected eyes is adjustable, just
The brightness and contrast of raster graphic corresponding to normal eyes locks 100%；Alternatively, raster graphic corresponding to eyes is bright
Degree and contrast are adjustable.
In one embodiment of the invention, autokinesis detection image is to be presented on two screens corresponding to eyes
Multiple movement beads, the bead in data side screen corresponding to detected eyes move according to a certain direction, the other side
Bead random motion in noise side screen corresponding to eyes judges information for the direction of motion of bead in data side screen.
In one embodiment of the invention, the bead quantity phase under original state in data side screen and noise side screen is set
Deng, authentication module confirmation input judges whether information is consistent with the direction of motion of bead in data side screen, if continuous three
Secondary confirmation is correct then in data side screen by a certain amount of quantity for reducing movement bead, and increases in the screen of noise side identical
The bead of amount；If there is primary misjudgment, by a certain amount of quantity for increasing movement bead in data side screen, and making an uproar
Reduce same amount of bead in the screen of sound side, detects six times and obtain the variation of bead in data side screen in last five detections
The average value of amount and the ratio of the variable quantity of bead in the screen of noise side forms autokinesis testing result.
In conclusion amblyopia treatment system combination AR technology provided by the invention treats amblyopia, AR is a kind of increasing
Strong reality technology, in amblyopia treatment, AR video module obtains environment locating for patient in real time, forms the object in AR scene,
Amblyopia treatment image superposition is carried out amblyopia treatment to the object in AR scene by laminating module.This therapeutic modality patient only needs to wear
The variation of locating environment can be observed in real time while treatment by wearing AR glasses, not only will not influence the daily life of patient
And relative to traditional covering method, high-tech AR glasses are more beautiful, and patient is also easier to receive treatment.Further, originally
The amblyopia treatment system that invention provides carries out amblyopia treatment (traditional covering method is simple eye treatment) with principle is controlled using eyes, double
Eye solves the treatment of traditional covering method and the asthenopia of generation and controls with the eyesight that can balance eyes during treatment is controlled
Treat excessive problem.
In addition, the amblyopia treatment system based on AR technology, by setting amblyopia detection module, display module carries out a variety of pre-
If amblyopia detection image displaying, the judgement information of detection module detection input, authentication module by contrast judgement information and
The information of amblyopia standard pattern come obtain amblyopia detection result.Entire detection process will not be influenced by artificial subjectivity, patient
Amblyopia detection can be carried out whenever and wherever possible without being detected to special testing agency, and this detection only needs patient one
People can be completed, very easy to use.
For above and other objects of the present invention, feature and advantage can be clearer and more comprehensible, preferred embodiment is cited below particularly,
And cooperate attached drawing, it is described in detail below.
Detailed description of the invention
Fig. 1 show the functional block diagram of the amblyopia treatment system based on AR technology of one embodiment of the invention offer.
Fig. 2 a show the gabor filter profile that contrast is 18% in the amblyopia treatment system based on AR technology.
Fig. 2 b show the gabor filter profile that contrast is 58% in the amblyopia treatment system based on AR technology.
Fig. 2 c show the gabor filter profile that contrast is 100% in the amblyopia treatment system based on AR technology.
Fig. 3 a and Fig. 3 b show the structural schematic diagram of the eyes inhibition level detection image of one embodiment of the invention offer.
Specific embodiment
It include as shown in Figure 1 obtaining module 1, superposition mould for the amblyopia treatment system provided in this embodiment based on AR technology
Block 2 and rendering module 3.Obtain the object in the acquisition augmented reality AR scene of module 1.Laminating module 2 will be preset weak
Depending on treatment image superposition into the object of AR scene.Rendering module 3 renders amblyopia treatment image according to the result that amblyopia detects, and makes
There is two width in amblyopia treatment image the pattern of identical visual to be presented with different rendering parameters.
Amblyopia treatment system provided in this embodiment is on the basis of AR technology using eyes with technology of controlling.Specifically,
AR technology is a kind of augmented reality, and virtual information can be shown in true environment.Using in the present embodiment then are as follows:
Amblyopia treatment image is shown in true environment.Patient need to only wear AR eyes in amblyopia treatment can observe its institute simultaneously
The environment and amblyopia treatment figure at place, will not impact its daily life, can at any time with carry out amblyopia treatment.Further
, traditional amblyopia treatment device is using occlusion therapy method, and amblyopia patient needs to cover always in this therapeutic device
Eyes then cover normal eye for children whose monocular amblyopia, using amblyopia eye to improve eyesight；And then to replace for eyes amblyopia
Cover eyes.Either eyes amblyopia or children whose monocular amblyopia, carrying out treatment patient using covering method can only use at any one time
One eye eyeball, mono-vision object lacks sense of depth, and the high-incidence group of amblyopia is children, its shortage experience of life of children, mono-vision
Object is easy to live to it and impact.
Therefore, for this problem, the amblyopia treatment system provided in this embodiment based on AR technology is controlled using eyes are same
Principle.Amblyopia reason from brain visual cortex for visual signal error handle and non-ocular device Geological Problems itself.
Therefore the same time is needed to give the same visual of eyes but different display effects, to stimulate and change cerebral cortex for view
The false perception of feel after stimulating for a long time, can reverse and think to generate new nerve connection, achieve the effect that healing.It is wearing
Two eyes for wearing patient after AR glasses can see affairs, very easy to use；Further, AR glasses have certain section
Skill sense, shape is also relatively beautiful, and patient is easier to receive, to greatly improve the career in medicine for the treatment of.The display effect is
Realized by changing the rendering parameter of pattern, affiliated rendering parameter include the form and aspect of pattern, saturation degree, contrast, brightness,
Colorfulness and gray scale.
The application method of amblyopia treatment system provided in this embodiment based on AR technology are as follows:
Firstly, obtaining the object in module acquisition augmented reality AR scene, i.e. ambient image locating for acquisition patient.
In this present embodiment, obtaining module 1 is ccd image sensor.However, the present invention is not limited in any way this.In other implementations
In example, obtaining module 1 can be cmos image sensor or other image acquisition devices.
After obtaining the object in AR scene, laminating module 2 will be in the AR scene of amblyopia treatment image superposition to acquisition
On object, realizes virtual information and show the combination of information.
Finally, rendering module 3 renders amblyopia treatment figure according to amblyopia testing result, by changing amblyopia image
In pattern of two width with identical visual rendering parameter come so that the two have different display effects.The rendering ginseng
Number includes the parameters such as form and aspect, saturation degree, contrast, brightness, colorfulness and the gray scale of pattern.Specifically, being examined according to amblyopia
It surveys the image rendering that result carries out to refer to: when two eye visions are widely different, increasing the brightness ratio and comparison of two patterns
Ratio is spent, or is shown using widely different two different form and aspect.The continuous stimulation of eyes different display effects changes
Cerebral cortex is become for the false perception of vision, and for a long time after stimulation, can reverse and has thought to generate new nerve connection
To cure amblyopia.
The present embodiment simply shows a kind of application method of the amblyopia treatment system based on AR technology.In other embodiments
In, the amblyopia treatment system based on AR technology can use following sequence when in use: rendering module 3 is detected according to amblyopia first
As a result amblyopia treatment image is rendered accordingly, obtains the object in the acquisition augmented reality AR scene of module 1 later,
Last laminating module 2 is by the amblyopia treatment image superposition after rendering to the object in augmented reality AR scene to control
It treats.
In this present embodiment, the amblyopia treatment system based on AR technology further includes amblyopia detection module 4, amblyopia detection module
It again include display module 41, detection module 42 and authentication module 43.The operation that display module 41 is detected in response to triggering amblyopia,
Show preset amblyopia detection image.The detection of detection module 42 is directed to the judgement information of amblyopia detection image.Authentication module 43 is true
Recognize the detection for judging that information result whether consistent and according to confirmation with the information in preset amblyopia detection image obtains amblyopia
As a result.
Existing amblyopia detection is detected only with international standard visual chart, and patient needs to specific mechanism (such as
Hospital) it is detected, the method for detection is single and detection accuracy is low.Amblyopia detection module provided in this embodiment is using multiple pre-
If amblyopia detection image carry out amblyopia detection, greatly improve the detection accuracy of amblyopia, it is often more important that the testing result of amblyopia
Be by system by calculate and verifying after obtain, be subjective judgement there is no anyone, thus amblyopia patient can independently into
The detection of row amblyopia, it is more convenient to use without being detected to specific mechanism.
In this present embodiment, the detection of amblyopia includes four aspects, is eyesight detection, Contrast Detection, eyes suppression respectively
Degree detecting processed and autokinesis detection.Corresponding, amblyopia detection image includes eyesight detection image, Contrast Detection
Image, eyes inhibition level detection image and autokinesis detection image.However, the present invention is not limited in any way this.In
In other embodiments, amblyopia detection module may include the combination in above-mentioned four kinds of detection images more than any the two.In this implementation
In example, amblyopia detection module successively carries out eyesight detection, Contrast Detection, the detection of eyes inhibition level and autokinesis inspection
It surveys.Likewise, the present invention is not limited in any way this.In other embodiments, above-mentioned four detection ordering can be adjusted.
It is detected compared to traditional amblyopia carried out only with international standard visual chart, amblyopia detection module provided by the invention
Provide multiple detection projects, can eyesight that is more accurate, accurately detecting patient it is horizontal, be especially adapted for use in children's this kind
Ability to express is not group fine and that amblyopia rate is high.Further, in this present embodiment, display module 41 is set using VR
The standby displaying for carrying out preset amblyopia detection image, VR equipment generate the ring of amblyopia detection using virtual display technology
Border is not limited by any place and equipment, more convenient to use.However, the present invention is not limited in any way this.In other
In embodiment, display module 41 can be traditional display.
When carrying out eyesight detection, eyesight detection image includes multiple " E " words with different openings direction, such as comprising
" E " word of the opening of upper and lower, left and right four direction.For with better detection accuracy, in this present embodiment, setting eyesight is examined
Altimetric image appears randomly in VR scene to disappear after a period of time.Preferably, the time that setting eyesight detection image occurs is 0.5
Second.However, the present invention is not limited in any way this.Within the period that eyesight detection image occurs, patient passes through external input
Judge information.As inputted observed by patient the opening direction of " E " word by the handle with direction key or passing through hand
The variation of gesture is inputted.Detection module 42 detects opening for " E " word of input within the period that eyesight detection image occurs
Mouthful direction, the opening of " E " word of 43 confirmation input of authentication module towards the opening with " E " word in eyesight detection image whether one
It causes.When the judgement information (the opening direction of " E " word) continuously inputted three times is consistent with the information in eyesight detection image, show
Amblyopia detection image promote a detection level, as being " E " word is changed to that eyesight is 1.0 corresponding to 0.8 " E " by eyesight
Word.If there is primary misjudgment, the amblyopia detection image of displaying is reduced into a detection level, as being 0.8 institute by eyesight
Corresponding " E " word is changed to " E " word that eyesight is 0.6, and detection level is lower, and characterization amblyopia is more serious.Mould is verified in detection ten times
The eyesight grade that block 43 takes last six detections corresponding is the result of eyesight detection and is shown the testing result.Pass through
Wireless data transfer module, testing result can be both shown on the intelligent terminal of patient, while can also be in long-range intelligence
It is shown in terminal, long-range displaying facilitates doctor to the real-time monitoring of patient's vision state.
Degree of comparing detects after the completion of eyesight detection, and display module 41 is by Contrast Detection image superposition in VR scene
In object in.In this present embodiment, Contrast Detection image is gabor filter profile.However, the present invention this is not made it is any
It limits.Identical with eyesight detection, gabor filter profile appears randomly in the object of VR scene to disappear after a period of time.?
In the period that gabor filter profile occurs, patient carries out judging the defeated of information by handle with direction key or gesture
Enter.Detection module 42 detects the direction of the gabor filter profile of input within the period that gabor filter profile occurs.
Fig. 2 a show the gabor filter profile that contrast is 18% in the amblyopia treatment system based on AR technology.Fig. 2 b
It show the gabor filter profile that contrast is 58% in the amblyopia treatment system based on AR technology.Fig. 2 c is shown based on AR
The gabor filter profile that contrast is 100% in the amblyopia treatment system of technology.When the judgement information that patient continuously inputs three times
Consistent with the direction of the gabor filter profile currently shown, gabor filter profile promotes a detection level, i.e. reduction gabor
The brightness and contrast of filter profile is such as switched to Fig. 2 a from Fig. 2 b.When the judgement information that once inputs and current occurs in patient
When the direction of the gabor filter profile of display is inconsistent, gabor filter profile reduces a detection level, such as switches from Fig. 2 b
To gabor filter profile shown in Fig. 2 c.Detection level is lower, and the brightness and contrast of gabor filter profile is more obvious, patient
More it is easily observed that the direction of gabor filter profile, corresponding amblyopia are also more serious.It is continuous to detect ten times and take last six inspections
The average value of the detection level of survey is spent the result of detection as a comparison and is shown.Last six works are chosen in ten detections
For valid data, it is contemplated that patient needs certain adaptation time when detecting, and four times initial detections are used for the mould of patient
Quasi-, latter six times detections can accurately reflect that the current eyesight of patient's eye is horizontal.
The present embodiment simply shows the grade of three contrasts of gabor filter profile.However, the present invention does not make this
Any restriction.In other embodiments, to detect amblyopia more accurately, settable multiple contrast change intervals are small
Gabor filter profile.
The detection of eyes inhibition level is carried out after the completion of Contrast Detection, eyesight detection, contrast in the detection of amblyopia
Detection and autokinesis detection are simple eye test, which eye patient can determine by external input device when detecting
Eyeball is as tested eye, and in addition one eye is then defaulted as normal eyes.And the detection of eyes inhibition level is the detection of eyes double screen.
As shown in Figure 3a and Figure 3b shows, eyes inhibition level detection image is the interference by two opposite in phase being shown on eyes screen
Sine wave is formed by two raster graphics with out of phase, brightness and contrast.The phase of sine wave in raster graphic
Position range is 180 degree, and the period is two periods.It is when detecting that detected eyes is enabled accurately to observe raster graphic,
The brightness and contrast of raster graphic corresponding to settable detected eyes is adjustable (specifically, can be defeated by handle etc.
Enter the change that equipment carries out parameter), and the brightness and contrast of raster graphic corresponding to normal eye locking 100%.However,
The present invention is not limited in any way this.In other embodiments, the brightness and comparison of raster graphic corresponding to settable eyes
It spends adjustable.
When eyes are with two screens of view, brain visual centre will generate fusion visual experience.If eyes are normal, patient
The median vertical line of two raster graphics can be found easily, and tester is moved by input equipment (induction of such as handle or gesture) at this time
Dynamic pixel line, is overlapped it with the median vertical line of two raster graphics.If wherein one eye eyeball is abnormal, side there will necessarily be
Cerebral cortex has exception for brightness and contrast's perception, then the median vertical line of two discovered at this time raster graphic does not exist certainly
Correct position, distance is then the inhibition level fault of eyes between the pixel line inputted at this time and the median vertical line of two raster graphics
Value.
After obtaining the detection of eyes inhibition level, in this present embodiment, amblyopia detection module also carries out autokinesis inspection
It surveys.Autokinesis detection image is the multiple movement beads being presented on two screens corresponding to eyes, detected eye
Bead in data side screen corresponding to eyeball moves according to a certain direction, in noise side screen corresponding to the eyes of the other side
Bead random motion, judge information for the direction of motion of bead in data side screen.Specifically, original state eyes institute is right
50 beads are respectively distributed in the screen answered, the bead in data side screen moves according to a certain direction, and has in same frame
5% random small club disappears simultaneously, and random site occurs again, occurs again in the other end again when moving to boundary.And noise side
Bead then random motion in screen.Patient passes through the direction of motion of the bead in the screen of input equipment input signal side, when even
The continuous judgement information inputted three times is consistent with the direction of motion of bead in data side screen, reduces signal according to a certain percentage
Bead quantity in the screen of side, and increase the bead quantity of equivalent in the screen of noise side.When appearance once judges information and letter
When the direction of motion of bead in number side screen is inconsistent, then increase the bead quantity in data side screen according to a certain percentage,
And reduce the bead quantity of equivalent in the screen of noise side.Preferably, the variation ratio that bead is arranged is 20%.However, this hair
It is bright that this is not limited in any way.Detection six times simultaneously obtains in last five detections the quantity of bead and noise side in data side screen
The average value of the ratio of bead quantity in screen forms autokinesis testing result.
It is when detecting the direction of motion that can preferably observe bead, raster graphic corresponding to settable data side screen
Brightness and contrast it is adjustable (specifically, change that the input equipments such as handle carry out parameter can be passed through), and noise side screen
Brightness and contrast locking 100%.However, the present invention is not limited in any way this.In other embodiments, settable signal
The brightness and contrast of side screen and noise side screen is adjustable.
Amblyopia is examined after completing eyesight detection, Contrast Detection, the detection of eyes inhibition level and autokinesis and detecting
Survey module will test data send rendering module, patient intelligent terminal (on such as mobile phone or on IPAD) or cured mainly positioned at long-range
On the computer of doctor, attending physician can be in the eyesight situation of change for remotely checking patient, thus so timely that provide treatment advice.Wash with watercolours
The result that contaminating module can then detect according to amblyopia carries out the rendering of amblyopia treatment image.
In conclusion the amblyopia treatment system combination AR technology provided by the invention based on AR technology controls amblyopia
It treats, AR is a kind of augmented reality, and in amblyopia treatment, AR video module obtains environment locating for patient in real time, forms AR
Amblyopia treatment image superposition is carried out amblyopia treatment to the object in AR scene by the object in scene, laminating module.This treatment
Mode patient need to only wear AR glasses can observe in real time the variation of locating environment while treatment, not only will not influence
The daily life of patient and relative to traditional covering method, high-tech AR glasses are more beautiful, and patient is also easier to receive to control
It treats.Further, amblyopia treatment system provided by the invention carries out amblyopia treatment (traditional covering method with principle is controlled using eyes
It is simple eye treatment), eyes solve the treatment of traditional covering method and generation with the eyesight that can balance eyes during treatment is controlled
Asthenopia and the excessive problem for the treatment of.
In addition, the amblyopia treatment system based on AR technology, by setting amblyopia detection module, display module carries out a variety of pre-
If amblyopia detection image displaying, the judgement information of detection module detection input, authentication module by contrast judgement information and
The information of amblyopia standard pattern come obtain amblyopia detection result.Entire detection process will not be influenced by artificial subjectivity, patient
Amblyopia detection can be carried out whenever and wherever possible without being detected to special testing agency, and this detection only needs patient one
People can be completed, very easy to use.
Although the present invention is disclosed above by preferred embodiment, however, it is not intended to limit the invention, this any known skill
Skill person can make some changes and embellishment without departing from the spirit and scope of the present invention, therefore protection scope of the present invention is worked as
Subject to claims range claimed.
Claims (8)
1. a kind of amblyopia treatment system based on AR technology characterized by comprising
Module is obtained, the object in augmented reality AR scene is obtained, the object is ambient image locating for patient；
Laminating module, will be in the object of preset amblyopia treatment image superposition to AR scene；
Rendering module renders amblyopia treatment image according to the result of amblyopia detection, two width in amblyopia treatment image is made to have phase
Pattern with visual is presented with different rendering parameters；
Amblyopia detection module, comprising:
Display module shows preset amblyopia detection image in response to the operation of triggering amblyopia detection；
Detection module, detection are directed to the judgement information of amblyopia detection image；
Authentication module, confirmation judge information result whether consistent and according to confirmation with the information in preset amblyopia detection image
Obtain the testing result of amblyopia；
The amblyopia detection image includes eyesight detection image, eyes inhibition level detection image；
The eyes inhibition level detection image be simultaneously on two screens of the displaying corresponding to eyes by two phase phases
Anti- interference sine wave is formed by two raster graphics with out of phase, brightness and contrast, the judgement information
For the pixel line being input on two screens, then recognize when the pixel line of input is overlapped with the median vertical line in two raster graphics
Normal for eyes, if there is deviation, the pixel distance of deviation is that the brightness and contrast of eyes inhibits threshold value.
2. the amblyopia treatment system according to claim 1 based on AR technology, which is characterized in that the rendering parameter includes
Form and aspect, saturation degree, contrast, brightness, colorfulness and the gray scale of pattern.
3. the amblyopia treatment system according to claim 1 based on AR technology, which is characterized in that the amblyopia detection image
It further include Contrast Detection image, autokinesis detection image.
4. the amblyopia treatment system according to claim 3 based on AR technology, which is characterized in that the Contrast Detection figure
Picture is gabor filter profile, and gabor filter profile disappears after occurring a period of time at random, and detection module is in gabor filter profile
The direction of the gabor filter profile of detection input in the period of appearance.
5. the amblyopia treatment system according to claim 4 based on AR technology, which is characterized in that if continuously input three times
Judge that information is consistent with the information of preset amblyopia detection image, the amblyopia detection image shown promotes a detection level；If
Misjudgment is primary, then the amblyopia detection image shown reduces a detection level, and detection level is lower, and characterization amblyopia is more serious,
It is continuous to detect ten times and the average value of the detection levels of last six detections is taken to spend the result of detection as a comparison and shown.
6. the amblyopia treatment system according to claim 1 based on AR technology, which is characterized in that detected eyes institute is right
The brightness and contrast for the raster graphic answered is adjustable, and the brightness and contrast of raster graphic corresponding to normal eye locks
100%；Alternatively, the brightness and contrast of raster graphic corresponding to eyes is adjustable.
7. the amblyopia treatment system according to claim 3 based on AR technology, which is characterized in that the autokinesis inspection
Altimetric image is the multiple movement beads being presented on two screens corresponding to eyes, data side corresponding to detected eyes
Bead in screen moves according to a certain direction, the bead random motion in noise side screen corresponding to the eyes of the other side,
It is described to judge information for the direction of motion of bead in data side screen.
8. the amblyopia treatment system according to claim 7 based on AR technology, which is characterized in that believe under setting original state
Bead quantity in number side screen and noise side screen is equal, authentication module confirmation input judge information whether with data side screen
The direction of motion of bead in act is consistent, small by a certain amount of reduction movement in data side screen if continuous confirmation correctly three times
The quantity of ball, and increase same amount of bead in the screen of noise side；If there is primary misjudgment, in data side screen
By a certain amount of quantity for increasing movement bead, and reduces same amount of bead in the screen of noise side, detect six times and obtain most
Afterwards in five detections in data side screen in the quantity of bead and noise side screen the ratio of the quantity of bead average value, formed
Autokinesis testing result.
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| WO2019169554A1 (en) * | 2018-03-06 | 2019-09-12 | 陈佳进 | Vr technology-based training and improvement system and method for amblyopia |
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