CN110161721A - Eyeglass focus adjusting method and liquid Zoom glasses equipment - Google Patents
Eyeglass focus adjusting method and liquid Zoom glasses equipment Download PDFInfo
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- CN110161721A CN110161721A CN201910334272.8A CN201910334272A CN110161721A CN 110161721 A CN110161721 A CN 110161721A CN 201910334272 A CN201910334272 A CN 201910334272A CN 110161721 A CN110161721 A CN 110161721A
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/0093—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 with means for monitoring data relating to the user, e.g. head-tracking, eye-tracking
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- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/02—Lenses; Lens systems ; Methods of designing lenses
- G02C7/08—Auxiliary lenses; Arrangements for varying focal length
- G02C7/081—Ophthalmic lenses with variable focal length
- G02C7/085—Fluid-filled lenses, e.g. electro-wetting lenses
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Abstract
The invention discloses a kind of eyeglass focus adjusting method and liquid Zoom glasses equipment, the eyeglass focus adjusting method is suitable for liquid Zoom glasses, eyeglass focus adjusting method includes the eyeball image that first camera module captures corresponding liquid Zoom glasses, object Focusing module goes out direction of gaze according to eyeball image identification, object Focusing module, which calculates to be located in vision coverage area, corresponds to object distance of the object of direction of gaze relative to liquid Zoom glasses, object Focusing module calculates eyeglass Focusing parameter according to object distance, and object Focusing module carries out eyeglass focus adjusting for liquid Zoom glasses according to eyeglass Focusing parameter, the object that the eyes of user can clearly be watched attentively whereby.
Description
Technical field
The present invention is espespecially a kind of to be focused using object about a kind of eyeglass focus adjusting method and liquid Zoom glasses equipment
Module goes out eye gaze direction according to eyeball image identification to calculate the eyeglass focus adjusting method of focusing object distance and its liquid
Zoom glasses equipment.
Background technique
In general, the middle-aged and the old would generally start eyes presbyopic symptom occur, in this situation after having arrived certain age
Under, for inherently having had for the user of myopia, it just may require that and prepare two pair of glasses (spectacles and reading glasses)
It closely sees and far is used to see, or using having upper and lower cutting eyeglass (go up cutting eyeglass and see that far lower cutting eyeglass is seen closely)
Special spectacles.However, which kind of mode either used, can for user glasses carry using above bring inconvenience with
Discomfort, such as under the use situation with the Special spectacles with upper and lower cutting eyeglass, user just must be learned by adapting to newly
Eyes watch mode, that is, eyes must be allowed to see cutting eyeglass down obliquely downward when seeing nearly object, and then necessary when seeing distant view
Allow eyes it is oblique on see the viewing mode of up cutting eyeglass.Therefore, how to design convenient for users to seeing and closely seeing that remote glasses are
Important topic one of of the glasses device in lens design at present.
Therefore, it is necessary to a kind of eyeglass focus adjusting method and liquid Zoom glasses equipment be designed, to overcome drawbacks described above.
Summary of the invention
Therefore, eyes note is gone out according to eyeball image identification using object Focusing module the purpose of the present invention is to provide a kind of
Apparent direction is to calculate the eyeglass focus adjusting method and its liquid Zoom glasses equipment of focusing object distance, to solve the above problems.
One of mesh of the invention is to provide a kind of eyeglass focus adjusting method, it is suitable for liquid Zoom glasses equipment,
The liquid Zoom glasses equipment includes first camera module, liquid Zoom glasses and object Focusing module, the eyeglass focus adjusting
Method includes:
The first camera module captures the eyeball image of the corresponding liquid Zoom glasses；
The object Focusing module goes out direction of gaze according to the eyeball image identification；
The object Focusing module, which calculates to be located in vision coverage area, corresponds to the object of the direction of gaze relative to the liquid zoom
The object distance of glasses；
The object Focusing module calculates eyeglass Focusing parameter according to the object distance；And
The object Focusing module carries out eyeglass focus adjusting for the liquid Zoom glasses according to the eyeglass Focusing parameter.
Preferably, the object Focusing module includes second camera module, arithmetic element and Zoom control unit, the mirror
Piece focalization method includes:
The arithmetic element goes out the direction of gaze according to the eyeball image identification；
The second camera module captures the visual image of the corresponding vision coverage area；
The arithmetic element goes out the object according to the direction of gaze and the visual image identification；
The arithmetic element calculates the object distance of the object relative to the liquid Zoom glasses；
The arithmetic element calculates the eyeglass Focusing parameter according to the object distance；And
The Zoom control unit carries out eyeglass focus adjusting for the liquid Zoom glasses according to the eyeglass Focusing parameter；
Alternatively, the object Focusing module includes range unit, arithmetic element and Zoom control unit, the eyeglass focal length
Method of adjustment includes:
The arithmetic element goes out the direction of gaze according to the eyeball image identification；
The range unit measures the object distance of the object relative to the liquid Zoom glasses along the direction of gaze；
The arithmetic element calculates the eyeglass Focusing parameter according to the object distance；And
The Zoom control unit carries out eyeglass focus adjusting for the liquid Zoom glasses according to the eyeglass Focusing parameter.
Preferably, the first camera module includes that left eye tracking camera and right eye track camera, the liquid Zoom glasses
Comprising left eye focus-variable lens and right eye focus-variable lens, which includes:
The left eye tracks the left eye ball image that camera captures the corresponding left eye focus-variable lens；
The right eye tracks the right eye ball image that camera captures the corresponding right eye focus-variable lens；
The arithmetic element according to the left eye ball image and the right eye ball image, pick out respectively left eye direction of gaze and
Right eye direction of gaze；
The arithmetic element watches focus attentively according to the left eye direction of gaze and right eye direction of gaze calculating；
The arithmetic element compares this and watches focus and the vision coverage area attentively to pick out the object watched attentively；
The arithmetic element calculates the object and becomes relative to the left eye object distance of the left eye focus-variable lens and relative to the right eye
The right eye object distance of focus lens；
The arithmetic element calculates separately a left side for the corresponding left eye focus-variable lens according to the left eye object distance and the right eye object distance
The right eye Focusing parameter of eye Focusing parameter and the corresponding right eye focus-variable lens；And
The Zoom control unit adjusts separately the left eye zoom according to the left eye Focusing parameter and the right eye Focusing parameter
The focal length of the focal length of eyeglass and the right eye focus-variable lens.
Preferably, the object Focusing module also includes input unit, which includes:
If existing simultaneously multiple objects that the opposite liquid crystal variable focal glasses have different object distances on the direction of gaze, the fortune
It calculates unit and the object watched attentively is selected from multiple object according to the Object Selection result of the input unit；And
The arithmetic element calculates the object distance of the object relative to the liquid Zoom glasses.
Preferably, the input unit is right to generate this comprising at least one of audio control unit and key switch unit
As selection result.
Preferably, the object Focusing module includes the step of going out the direction of gaze according to the eyeball image identification:
The object Focusing module goes out pupil image according to the eyeball image identification；
The eyeball image is divided into multiple directions and judges region by the object Focusing module；And
The object Focusing module calculates this according to the identification result in the walking direction region where the pupil image
Direction of gaze.
In order to achieve the above object, including the present invention also provides a kind of liquid Zoom glasses equipment:
Liquid Zoom glasses；
First camera module is set on the liquid Zoom glasses, for capturing the eye of the corresponding liquid Zoom glasses
Ball image；And
Object Focusing module is electrically connected to the first camera module and the liquid Zoom glasses, is used to according to the eye
Ball image identification goes out direction of gaze, calculating corresponds to the object of the direction of gaze relative to the liquid zoom eye in vision coverage area
The object distance of mirror calculates eyeglass Focusing parameter according to the object distance, and is directed to the liquid zoom eye according to the eyeglass Focusing parameter
Mirror carries out eyeglass focus adjusting.
Preferably, the object Focusing module includes second camera module, arithmetic element and Zoom control unit, this
Two camera models are set on the liquid Zoom glasses and are electrically connected to the arithmetic element, which is electrically connected to this
Arithmetic element and the liquid Zoom glasses, the second camera module capture the visual image of the corresponding vision coverage area, the operation
Unit goes out the direction of gaze according to the eyeball image identification, the object is gone out according to the direction of gaze and the visual image identification,
The object distance of the object relative to the liquid Zoom glasses is calculated, and the eyeglass Focusing parameter is calculated according to the object distance, and should
Zoom control unit carries out eyeglass focus adjusting for the liquid Zoom glasses according to the eyeglass Focusing parameter；
Alternatively, the object Focusing module includes range unit, arithmetic element and Zoom control unit, the range unit
Be set on the liquid Zoom glasses and be electrically connected to the arithmetic element, the Zoom control unit be electrically connected to the arithmetic element with
And the liquid Zoom glasses, which goes out the direction of gaze and calculated according to the object distance according to the eyeball image identification is somebody's turn to do
Eyeglass Focusing parameter, the range unit measure the object distance of the object relative to the liquid Zoom glasses, and the Zoom control list
Member carries out eyeglass focus adjusting for the liquid Zoom glasses according to the eyeglass Focusing parameter.
Preferably, the first camera module includes that left eye tracking camera and right eye track camera, the liquid Zoom glasses
Comprising left eye focus-variable lens and right eye focus-variable lens, left eye tracking camera is set on the left eye focus-variable lens to capture a left side
Eyeball image, right eye tracking camera are set on the right eye focus-variable lens to capture right eye ball image, the arithmetic element according to
The left eye ball image and the right eye ball image pick out left eye direction of gaze and right eye direction of gaze, according to the left eye respectively
Direction of gaze and the right eye direction of gaze calculating watch attentively focus, compare this watch focus and the vision coverage area attentively with pick out note
Depending on object, calculate left eye object distance of the object relative to the left eye focus-variable lens and the right side relative to the right eye focus-variable lens
Eye object distance, and joined according to the left eye focusing that the left eye object distance and the right eye object distance calculate separately the corresponding left eye focus-variable lens
The right eye Focusing parameter of the several and corresponding right eye focus-variable lens, and the Zoom control unit according to the left eye Focusing parameter and
The right eye Focusing parameter adjusts separately the focal length of the left eye focus-variable lens and the focal length of the right eye focus-variable lens.
Preferably, the object Focusing module additionally comprises input unit, which is electrically connected to the input unit, if
When existing simultaneously the opposite liquid crystal variable focal glasses on the direction of gaze has multiple objects of different object distances, the arithmetic element according to
The Object Selection result of the input unit selects the object watched attentively from multiple object, and calculates the object relative to the liquid
The object distance of state Zoom glasses.
Preferably, the input unit is right to generate this comprising at least one of audio control unit and key switch unit
As selection result.
Preferably, the object Focusing module goes out pupil image according to the eyeball image identification, is divided into the eyeball image
Multiple directions judge region, and the identification result being located at according to the pupil image in the walking direction region at place calculates
The direction of gaze.
Compared with prior art, no matter user wants to see remote or short distance object, passes through above-mentioned mirror
Piece focalization method, liquid Zoom glasses equipment provided by the present invention can carry out eyeglass for liquid Zoom glasses in real time
Focussing, pair watched attentively to current eyes of user so that the liquid focus-variable lens on liquid Zoom glasses can accurately focus
As upper, in this way, since two pair of glasses (spectacles and reading glasses) need not be prepared or using with upper and lower cutting mirror
The Special spectacles of piece are seen with assisting user closely sees that far therefore, the present invention can efficiently solve this being previously mentioned in prior art
Two ways carries to use above in glasses will cause inconvenience and uncomfortable problem, and then is significantly promoted while having myopia
Glasses with presbyopic correcting function are being worn using the convenience stored with carrying.
Detailed description of the invention
Fig. 1 for the liquid Zoom glasses equipment proposed according to one embodiment of the invention function block schematic diagram.
Fig. 2 for the eyeglass focus adjusting method proposed according to one embodiment of the invention flow chart.
Fig. 3 is that the eye gaze of user is located at the schematic diagram of the object in vision coverage area.
Fig. 4 for the liquid Zoom glasses equipment proposed according to another embodiment of the present invention function block schematic diagram.
Specific embodiment
To make to have further understanding to the purpose of the present invention, construction, feature and its function, hereby cooperate embodiment detailed
It is described as follows.
Referring to Fig. 1, it is the function of the liquid Zoom glasses equipment 10 proposed according to one embodiment of the invention
Block schematic diagram, as shown in Figure 1, liquid Zoom glasses equipment 10 include liquid Zoom glasses 12, first camera module 14 and
Object Focusing module 16, wherein liquid lens design can be used to change eyeglass via voltage driving mode in liquid Zoom glasses 12
Focal length drives as for liquid lens piece material-structure (for example, by using the material of fexible film cladding liquid glycerin) and its voltage
The associated description of zoom principle, has seen in prior art, repeats no more in this.First camera module 14 is set to liquid change
It is used to capture the eyeball image of corresponding liquid Zoom glasses 12 on burnt glasses 12.Object Focusing module 16 is electrically connected to the first phase
Machine module 14 and liquid Zoom glasses 12 are used the eyeball image identification for capturing according to first camera module 14 and are gone out
The direction of gaze of eyes of user calculates the object for being located at and corresponding to above-mentioned direction of gaze in the vision coverage area that user's eyes are seen
Corresponding eyeglass Focusing parameter is calculated relative to the object distance of liquid Zoom glasses 12, according to above-mentioned object distance, and according to upper
It states eyeglass Focusing parameter and carries out eyeglass focus adjusting for liquid Zoom glasses 12, focus in real time effect to generate eyeglass, with
Just user can see in the case where wearing spectacles and reading glasses without exchange closely sees far.
Just the present invention is illustrated using the process that liquid Zoom glasses equipment 10 executes eyeglass focus adjusting method below,
Please refer to Fig. 1 and Fig. 2, flow chart of the Fig. 2 for the eyeglass focus adjusting method proposed according to one embodiment of the invention, sheet
The eyeglass focus adjusting method of invention comprises the steps of.
Step 200: first camera module 14 captures the eyeball image of corresponding liquid Zoom glasses 12；
Step 202: object Focusing module 16 goes out direction of gaze according to the eyeball image identification；
Step 204: object Focusing module 16, which calculates to be located in vision coverage area, corresponds to the object of the direction of gaze relative to liquid
The object distance of state Zoom glasses 12；
Step 206: object Focusing module 16 calculates eyeglass Focusing parameter according to the object distance；
Step 208: object Focusing module 16 carries out eyeglass coke for liquid Zoom glasses 12 according to the eyeglass Focusing parameter
Away from adjustment.
One in a vision coverage area R is watched with the wherein one eye eyeball 1 (such as left eye) of user shown in Fig. 3 attentively in this
It is described in detail for object O1 for above-mentioned steps.Firstly, in step 200, when user wears liquid zoom eye
Mirror 12 watches object O attentively1When, 14 fechtable of first camera module corresponds to the eyeball image 11 of liquid Zoom glasses 12, for subsequent
Judge that user's eyes direction of gaze is used.
Next, in this embodiment, object Focusing module 16 can preferably use the computing object in a manner of image identification
The design of distance, for example, as shown in Figure 1, object Focusing module 16 may include second camera module 18, arithmetic element 20 with
And Zoom control unit 22, second camera module 18 are set on liquid Zoom glasses 12 and are electrically connected to arithmetic element 20, become
Burnt control unit 22 is electrically connected to arithmetic element 20 and liquid Zoom glasses 12, whereby, 18 fechtable pair of second camera module
Answer the visual image of vision coverage area R, and arithmetic element 20 is (such as central processing unit, microprocessor or can journey with operational capability
Sequence logic controller etc.) direction of gaze A (step 202), further, arithmetic element can be picked out according to eyeball image 11
20 pupil image 13 can be picked out preferably according to eyeball image 11, eyeball image 11 is divided into multiple directions judges region,
And the identification result in which walking direction region is located at according to pupil image 13 and calculates direction of gaze A, and operation
The visual image that unit 20 can be captured according to direction of gaze A and second camera module 18 carries out eyes of user and is watched attentively
Object identification.
For example, arithmetic element 20 eyeball image 11 can be divided into four direction judge region r1, r2, r3, r4 (but
It is not limited), whereby, as shown in figure 3, arithmetic element 20 can show that pupil image 13 is sentenced positioned at direction in the way of image identification
Identification result in disconnected region r1, so that the direction of gaze A that corresponding user's eyes are just seeing past lower right is calculated, and according to
The visual image identification that direction of gaze A and second camera module 18 capture goes out the object that current eyes of user is watched attentively
O1。
After the identification step for completing above-mentioned object O1, arithmetic element 20 can calculate object O in the way of image identification1
Relative to the object distance (step 204) of liquid Zoom glasses 12, wherein carrying out object distance in a manner of image identification for arithmetic element 20
Used image identification calculation method is (for example, by using the relative coordinate relationship for establishing camera and object image pixel when calculating
Method and go out object O using trigonometric function formula to calculating1Object distance etc. relative to liquid Zoom glasses 12) associated description,
It is common in prior art, is repeated no more in this.Next, arithmetic element 20 can be calculated according to the resulting object distance of above-mentioned calculating
Corresponding eyeglass Focusing parameter (step 206), and Zoom control unit 22 can become according to this eyeglass Focusing parameter for liquid
Burnt glasses 12 carry out eyeglass focus adjusting (step 208), so that liquid Zoom glasses 12 can focus in object O1, using assistance makes
The eyes 1 of user can see object O by liquid Zoom glasses 121。
If there is not jljl relative to liquid Zoom glasses 12 it is noted that being look on the A of direction and having existed simultaneously
Away from multiple objects, then corresponding eyeglass Focusing parameter can be calculated with the object distance average value of multiple object.This reality
It applies in example, in order to improve accuracy, there is difference relative to liquid Zoom glasses 12 if being look on the A of direction and having existed simultaneously
Multiple objects of object distance, then object Focusing module 16 can further use common user's input feedback mode (such as sound
Control feedback, keystroke feedback etc.) accurately to judge the object watched attentively from multiple objects, for example, it is as shown in Figure 1, right
As Focusing module 16 can additionally comprise input unit 24, arithmetic element 20 is electrically connected to input unit 24, and input unit 24 can be normal
See that the input equipment applied on user's input feedback, such as audio control unit (such as microphone), key switch unit (such as refer to and dial
Formula switch key) or its correlation combiner device etc., in this embodiment, phase has been respectively present from the figure 3, it may be seen that being look on the A of direction
There is the object O of nearly object distance for liquid Zoom glasses 122, object O with middle object distance1And the object O with remote object distance3,
At this point, arithmetic element 20, which can be inputted according to user via input unit 24, (such as stirs finger pull type by finger with user
The switching selection mode of switch key, but not limited to this) Object Selection as a result, judging what current user's eyes were watched attentively
Object is object O1, that is to say, that the Object Selection result according to provided by input unit 24 of arithmetic element 20 is from being look at
Multiple objects (i.e. object O on the A of direction1、O2、O3) in select and watch object (i.e. object O attentively1), and above-mentioned steps are executed in terms of
Calculate object O1Object distance relative to liquid Zoom glasses 12.In this way, which arithmetic element 20 can be according to above-mentioned calculated
Object distance calculates the eyeglass Focusing parameter that can be focused to object O1, and Zoom control unit 22 can focus according to above-mentioned eyeglass and join
Number carries out eyeglass focus adjusting for liquid Zoom glasses 12, so that liquid Zoom glasses 12 can focus to object O1, to assist
Object O can be seen by liquid Zoom glasses 12 by helping the eyes 1 of user1。
In practical applications, in order to further promote process identification accuracy and reach while adjusting eyes eyeglass
Focal length is implemented herein with allowing user's eyes that can see the purpose for the object watched attentively at present by liquid Zoom glasses 12
In example, polyphaser tracking eyes focusing design is can be used in liquid Zoom glasses equipment 10, in short, in this embodiment, first
Camera model 16 may include left eye tracking camera 26 and right eye tracking camera 28, liquid Zoom glasses 12 include left eye varifocal mirror
Piece 30 and right eye focus-variable lens 32, left eye tracking camera 26 are set on left eye focus-variable lens 30 to capture left eye ball image,
Right eye tracking camera 28 is set on right eye focus-variable lens 32 to capture right eye ball image, and whereby, arithmetic element 20 can be according to a left side
Eyeball image and right eye ball image pick out corresponding left eye direction of gaze and right eye direction of gaze (its identification side respectively
Method can refer to above description and analogize), and use is calculated according to the plotted point of left eye direction of gaze and right eye direction of gaze
What person's eyes were watched attentively watches focus attentively, thus according to it is above-mentioned watch attentively focus in the watching area (for example, second camera module 18
The visual image captured) in compare out the object that user's eyes are watched attentively.
In this way, which arithmetic element 20 can be counted accordingly after more accurately picking out the object that user's eyes are watched attentively
The object watched attentively is calculated relative to the left eye object distance of left eye focus-variable lens 30 and the object watched attentively relative to right eye focus-variable lens
32 right eye object distance, and calculated separately according to above-mentioned calculated left eye object distance and right eye object distance to going out to answer left eye zoom
The right eye Focusing parameter of the left eye Focusing parameter of eyeglass 30 and corresponding right eye focus-variable lens 32, simultaneously, Zoom control list
Member 22 can adjust separately left eye focus-variable lens 30 according to above-mentioned calculated left eye Focusing parameter and right eye Focusing parameter
Focal length and right eye focus-variable lens 32 focal length so that left eye focus-variable lens 30 and right eye focus-variable lens 32 can focus to
Above-mentioned arithmetic element 20 picks out the object watched attentively, to assist user's eyes that can see note by liquid Zoom glasses 12
Depending on object.
It is noted that object focusing design provided by the present invention can be not limited to the above embodiments, for example, ask
Refering to Fig. 4, for the function block schematic diagram of the liquid Zoom glasses equipment 100 proposed according to another embodiment of the present invention,
The component person identical as component numerals described in above-described embodiment in this embodiment, indicates it with similar function
Or structure, it is repeated no more in this.As shown in figure 4, liquid Zoom glasses equipment 100 includes liquid Zoom glasses 12, first camera
Module 14 and object Focusing module 102, object Focusing module 102 are electrically connected to first camera module 14 and liquid zoom
Glasses 12 and include range unit 104, arithmetic element 20, Zoom control unit 22 and input unit 24, in this embodiment,
Range unit 104 can be preferably infrared distance measuring equipment (but not limited to this) be set on liquid Zoom glasses 12 and electricity
It is connected to arithmetic element 20, whereby, when the eyeball image identification that arithmetic element 20 is captured according to first camera module 14 goes out
When direction of gaze, the object that range unit 104 can correspondingly be watched attentively along direction of gaze alignment eyes of user, and then directly
Object distance of the object relative to liquid Zoom glasses 12 is measured, next, arithmetic element 20 can the object according to obtained by above-mentioned measurement
Away from calculating corresponding eyeglass Focusing parameter, and Zoom control unit 22 can be directed to liquid zoom according to this eyeglass Focusing parameter
Glasses 12 carry out eyeglass focus adjusting, and using assisting user eyes can see what it was watched attentively by liquid Zoom glasses 12
Object.As for other associated descriptions for this embodiment, (such as direction of gaze identification is designed, user's input feedback designs, more
Camera tracks eyes focusing design etc.), it can refer to above-described embodiment and analogize, repeated no more in this.
In conclusion no matter user wants to see remote or short distance object, pass through above-mentioned eyeglass focal length
Method of adjustment, liquid Zoom glasses equipment provided by the present invention can carry out eyeglass focal length tune for liquid Zoom glasses in real time
It is whole, so that the liquid focus-variable lens on liquid Zoom glasses can accurately focus on the object watched attentively to current eyes of user,
In this way, since two pair of glasses (spectacles and reading glasses) need not be prepared or using the spy with upper and lower cutting eyeglass
Glasses processed are seen with assisting user closely sees that far therefore, the present invention can efficiently solve this two kinds of sides being previously mentioned in prior art
Formula carries to use above in glasses will cause inconvenience and uncomfortable problem, and then is significantly promoted while having myopia and presbyopic
The glasses of correcting function are being worn using the convenience stored with carrying.
The present invention is described by above-mentioned related embodiment, however above-described embodiment is only to implement example of the invention.
It must be noted that the embodiment disclosed is not limiting as the scope of the present invention.On the contrary, do not depart from spirit of the invention and
It is changed and retouched made by range, belongs to scope of patent protection of the invention.
Claims (12)
1. a kind of eyeglass focus adjusting method, it is suitable for liquid Zoom glasses equipment, which is characterized in that the liquid Zoom glasses
Equipment includes first camera module, liquid Zoom glasses and object Focusing module, which includes:
The first camera module captures the eyeball image of the corresponding liquid Zoom glasses；
The object Focusing module goes out direction of gaze according to the eyeball image identification；
The object Focusing module, which calculates to be located in vision coverage area, corresponds to the object of the direction of gaze relative to the liquid Zoom glasses
Object distance；
The object Focusing module calculates eyeglass Focusing parameter according to the object distance；And
The object Focusing module carries out eyeglass focus adjusting for the liquid Zoom glasses according to the eyeglass Focusing parameter.
2. eyeglass focus adjusting method as described in claim 1, which is characterized in that the object Focusing module includes second camera
Module, arithmetic element and Zoom control unit, which includes:
The arithmetic element goes out the direction of gaze according to the eyeball image identification；
The second camera module captures the visual image of the corresponding vision coverage area；
The arithmetic element goes out the object according to the direction of gaze and the visual image identification；
The arithmetic element calculates the object distance of the object relative to the liquid Zoom glasses；
The arithmetic element calculates the eyeglass Focusing parameter according to the object distance；And
The Zoom control unit carries out eyeglass focus adjusting for the liquid Zoom glasses according to the eyeglass Focusing parameter；
Alternatively, the object Focusing module includes range unit, arithmetic element and Zoom control unit, the eyeglass focus adjusting
Method includes:
The arithmetic element goes out the direction of gaze according to the eyeball image identification；
The range unit measures the object distance of the object relative to the liquid Zoom glasses along the direction of gaze；
The arithmetic element calculates the eyeglass Focusing parameter according to the object distance；And
The Zoom control unit carries out eyeglass focus adjusting for the liquid Zoom glasses according to the eyeglass Focusing parameter.
3. eyeglass focus adjusting method as claimed in claim 2, which is characterized in that the first camera module is tracked comprising left eye
Camera and right eye track camera, which includes left eye focus-variable lens and right eye focus-variable lens, and the eyeglass is burnt
Include away from method of adjustment:
The left eye tracks the left eye ball image that camera captures the corresponding left eye focus-variable lens；
The right eye tracks the right eye ball image that camera captures the corresponding right eye focus-variable lens；
The arithmetic element picks out left eye direction of gaze and right eye according to the left eye ball image and the right eye ball image respectively
Direction of gaze；
The arithmetic element watches focus attentively according to the left eye direction of gaze and right eye direction of gaze calculating；
The arithmetic element compares this and watches focus and the vision coverage area attentively to pick out the object watched attentively；
The arithmetic element calculates the object relative to the left eye object distance of the left eye focus-variable lens and relative to the right eye varifocal mirror
The right eye object distance of piece；
The arithmetic element calculates separately the left eye pair of the corresponding left eye focus-variable lens according to the left eye object distance and the right eye object distance
The right eye Focusing parameter of burnt parameter and the corresponding right eye focus-variable lens；And
The Zoom control unit adjusts separately the left eye focus-variable lens according to the left eye Focusing parameter and the right eye Focusing parameter
Focal length and the right eye focus-variable lens focal length.
4. eyeglass focus adjusting method as claimed in claim 2, which is characterized in that the object Focusing module also includes that input is single
Member, which includes:
If existing simultaneously multiple objects that the opposite liquid crystal variable focal glasses have different object distances on the direction of gaze, the operation list
Member selects the object watched attentively according to the Object Selection result of the input unit from multiple object；And
The arithmetic element calculates the object distance of the object relative to the liquid Zoom glasses.
5. eyeglass focus adjusting method as claimed in claim 4, which is characterized in that the input unit include audio control unit and
At least one of key switch unit is to generate the Object Selection result.
6. eyeglass focus adjusting method as described in claim 1, which is characterized in that the object Focusing module is according to the eyeball shadow
Include as the step of picking out the direction of gaze:
The object Focusing module goes out pupil image according to the eyeball image identification；
The eyeball image is divided into multiple directions and judges region by the object Focusing module；And
The object Focusing module, which calculates this according to the identification result in the walking direction region where the pupil image, to be watched attentively
Direction.
7. a kind of liquid Zoom glasses equipment, characterized by comprising:
Liquid Zoom glasses；
First camera module is set on the liquid Zoom glasses, for capturing the eyeball shadow of the corresponding liquid Zoom glasses
Picture；And
Object Focusing module is electrically connected to the first camera module and the liquid Zoom glasses, is used to according to the eyeball shadow
The object of the direction of gaze is corresponded to relative to the liquid Zoom glasses as picking out direction of gaze, calculating to be located in vision coverage area
Object distance calculates eyeglass Focusing parameter according to the object distance, and according to the eyeglass Focusing parameter for the liquid Zoom glasses into
Row eyeglass focus adjusting.
8. liquid Zoom glasses equipment as claimed in claim 7, which is characterized in that the object Focusing module includes second camera
Module, arithmetic element and Zoom control unit, the second camera module are set on the liquid Zoom glasses and are electrically connected to
The arithmetic element, the Zoom control unit are electrically connected to the arithmetic element and the liquid Zoom glasses, the second camera module
The visual image of the corresponding vision coverage area is captured, which goes out the direction of gaze according to the eyeball image identification, basis is somebody's turn to do
The object distance that direction of gaze and the visual image identification go out the object, calculate the object relative to the liquid Zoom glasses, with
And the eyeglass Focusing parameter is calculated according to the object distance, and the Zoom control unit becomes according to the eyeglass Focusing parameter for the liquid
Burnt glasses carry out eyeglass focus adjusting；
Alternatively, the object Focusing module includes range unit, arithmetic element and Zoom control unit, range unit setting
In on the liquid Zoom glasses and being electrically connected to the arithmetic element, which is electrically connected to the arithmetic element and should
Liquid Zoom glasses, the arithmetic element go out the direction of gaze according to the eyeball image identification and calculate the eyeglass according to the object distance
Focusing parameter, the range unit measure the object distance of the object relative to the liquid Zoom glasses, and the Zoom control unit root
Eyeglass focus adjusting is carried out for the liquid Zoom glasses according to the eyeglass Focusing parameter.
9. liquid Zoom glasses equipment as claimed in claim 8, which is characterized in that the first camera module is tracked comprising left eye
Camera and right eye track camera, which includes left eye focus-variable lens and right eye focus-variable lens, which chases after
Track camera is set on the left eye focus-variable lens to capture left eye ball image, and right eye tracking camera is set to the right eye varifocal mirror
For on piece to capture right eye ball image, which picks out left eye according to the left eye ball image and the right eye ball image respectively
Direction of gaze and right eye direction of gaze watch focus, ratio attentively according to the left eye direction of gaze and right eye direction of gaze calculating
Focus and the vision coverage area are watched to this attentively to pick out the object watched attentively, calculate the object relative to the left eye focus-variable lens
Left eye object distance and right eye object distance relative to the right eye focus-variable lens, and according to the left eye object distance and the right eye object distance point
The left eye Focusing parameter of the left eye focus-variable lens and the right eye Focusing parameter of the corresponding right eye focus-variable lens Ji Suan not be corresponded to, and
The Zoom control unit adjusts separately the coke of the left eye focus-variable lens according to the left eye Focusing parameter and the right eye Focusing parameter
Away from and the right eye focus-variable lens focal length.
10. liquid Zoom glasses equipment as claimed in claim 8, which is characterized in that the object Focusing module additionally comprises input
Unit, the arithmetic element are electrically connected to the input unit, if existing simultaneously the opposite liquid crystal variable focal glasses on the direction of gaze
When multiple objects with different object distances, the arithmetic element is according to the Object Selection result of the input unit from multiple object
The object watched attentively is selected, and calculates the object distance of the object relative to the liquid Zoom glasses.
11. liquid Zoom glasses equipment as claimed in claim 10, which is characterized in that the input unit include audio control unit with
And at least one of key switch unit is to generate the Object Selection result.
12. liquid Zoom glasses equipment as claimed in claim 7, which is characterized in that the object Focusing module is according to the eyeball
Image identification, which goes out pupil image, the eyeball image is divided into multiple directions judges region, and is located at according to the pupil image
An identification result in the walking direction region at place calculates the direction of gaze.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910334272.8A CN110161721A (en) | 2019-04-24 | 2019-04-24 | Eyeglass focus adjusting method and liquid Zoom glasses equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910334272.8A CN110161721A (en) | 2019-04-24 | 2019-04-24 | Eyeglass focus adjusting method and liquid Zoom glasses equipment |
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| CN110161721A true CN110161721A (en) | 2019-08-23 |
Family
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| CN201910334272.8A Withdrawn CN110161721A (en) | 2019-04-24 | 2019-04-24 | Eyeglass focus adjusting method and liquid Zoom glasses equipment |
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| CN (1) | CN110161721A (en) |
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|---|---|---|---|---|
| CN113820855A (en) * | 2021-08-31 | 2021-12-21 | 华中科技大学 | Design method of electromagnetic drive bidirectional zoom liquid lens |
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