CN208653769U - A kind of glasses parameter measurement instrument based on dual camera - Google Patents
A kind of glasses parameter measurement instrument based on dual camera Download PDFInfo
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- CN208653769U CN208653769U CN201821416694.7U CN201821416694U CN208653769U CN 208653769 U CN208653769 U CN 208653769U CN 201821416694 U CN201821416694 U CN 201821416694U CN 208653769 U CN208653769 U CN 208653769U
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- pedestal
- measurement instrument
- parameter measurement
- glasses
- dual camera
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Abstract
The utility model relates to a kind of glasses parameter measurement instrument based on dual camera, including pedestal and controller, the upper surface of the pedestal is equipped with detection zone, the pedestal is equipped with support arm, the support arm is equipped with case for lens far from one end of the pedestal, case for lens is equipped with opening towards the detection zone lower surface, and it is set towards the detection zone there are two camera in case for lens, the side surface of the pedestal is equipped with circuit interface, the controller respectively with the camera, keyboard and display screen electrical connection, the circuit interface is electrically connected with the controller and display screen respectively.The glasses parameter measurement instrument based on dual camera of the utility model, obtain the image information of the glasses to be measured positioned at detection zone respectively by two cameras, and the optical centre parameter value of glasses to be measured is determined by image processing algorithm, it is easy to detect, high-efficient, without relying on the experience of testing staff, detection accuracy is high.
Description
Technical field
The utility model relates to field of measuring technique more particularly to a kind of glasses parameter measurement instruments based on dual camera.
Background technique
Current glasses optical centre parameter measurement, is all by way of mechanical grip or alignment, in conjunction with operator
Member's naked eyes read this measurement method of parameter, there are low efficiency, the larger problem of human error factor, it is very difficult to meet country's mark
The error of the especially horizontal mutual deviation of quasi- is very big, because the experience of operator is different, can obtain entirely different measurement data.
Utility model content
Technical problem to be solved in the utility model is in view of the above shortcomings of the prior art, to provide one kind and taken the photograph based on double
As the glasses parameter measurement instrument of head.
The technical solution that the utility model solves above-mentioned technical problem is as follows: a kind of glasses parameter survey based on dual camera
Instrument, including pedestal and controller are measured, the upper surface of the pedestal is equipped with detection zone, and the pedestal is equipped with support arm, described
Support arm is equipped with case for lens far from one end of the pedestal, and the case for lens is equipped with opening towards the detection zone lower surface,
And set towards the detection zone there are two camera in the case for lens, the side surface of the pedestal is equipped with circuit interface, institute
Controller is stated to be electrically connected with the camera, keyboard and display screen respectively, the circuit interface respectively with the controller and aobvious
Display screen electrical connection.
The beneficial effects of the utility model are: the glasses parameter measurement instrument based on dual camera of the utility model, passes through
Two cameras obtain the image information of the glasses to be measured positioned at detection zone respectively, and true by existing image processing algorithm
The optical centre parameter value of fixed glasses to be measured, easy to detect, high-efficient, without relying on the experience of testing staff, detection accuracy is high.
Based on the above technical solution, the utility model can also do following improvement:
Further, the detection zone in be equipped with uniformly light-emitting plate, the uniformly light-emitting plate respectively with the controller and
Circuit interface electrical connection.
The beneficial effect of above-mentioned further scheme is: by be arranged the uniformly light-emitting plate can to the detection zone into
Row Uniform Illumination obtains the image information for the glasses to be measured being more clear convenient for two cameras, so that measurement result is more
Add accurate.
Further, the uniformly light-emitting plate is equipped with light guide plate and light source, and the light source is located at the side of the light guide plate
The lower section and/or.
The beneficial effect of above-mentioned further scheme is: can make the light of the light source outgoing by the way that the light guide plate is arranged
Line it is more uniform expose to detection zone so that the camera more clearly from obtain glasses to be measured image letter
Breath improves measurement accuracy.
Further, the light guide plate is plastic material and surface is the plate of lattice structure.
The beneficial effect of above-mentioned further scheme is: plastic material has the characteristics that hardness is high, light transmittance is good, is very suitable to
It is arranged in detection zone, on the one hand glasses to be measured can be carried out with firm support, on the other hand can be sent out the light source
Light out is uniformly emitted, and luminous energy loss is smaller.
Further, the light source is LED light source.
The beneficial effect of above-mentioned further scheme is: LED light source has the advantages that electro-optical efficiency is high, small in size.Easily
In being mounted on around the light guide plate, and it is smaller to radiate.
Further, the side on the pedestal far from the support arm is equipped with interactive panel, the keyboard and display screen are set
It sets in the interactive panel.
The beneficial effect of above-mentioned further scheme is: making entire measuring instrument integration in this way, volume is smaller, uses
It is more convenient.
Further, the interactive panel is connect with the base rotation, and the interactive panel can be around the connection of the two
Place is spun upside down.
The beneficial effect of above-mentioned further scheme is: the corner of the adjustable interactive panel through the above way, just
It is located at the display screen in the interactive panel in operator's observation, and operates the keyboard, and will be described after measurement
Interactive panel is packed up.
Further, the height-adjustable setting of the support arm.
The beneficial effect of above-mentioned further scheme is: the camera 3 can be cooperated to get satisfactory figure in this way
As information, guarantee the precision of measurement.
Further, the support arm is detachably connected with the base.
The beneficial effect of above-mentioned further scheme is: by detachable connection, can be convenient installation and removal, is measuring
When the camera can steadily be supported, and separate after measurement with the pedestal, placed convenient for storage, it is non-
It is often convenient.
Further, the case for lens is detachably connected with the support arm far from one end of the pedestal.
The beneficial effect of above-mentioned further scheme is:, can be by the case for lens together with setting by detachable connection
Camera in it disassembles, and carries out the calibration of camera parameter, and assembles after calibration, very just
Just, and when camera breaks down it is convenient for changing.
Further, the circuit interface includes network communication interface and power interface, the network communication interface and power supply
Interface is electrically connected with the controller respectively.
The beneficial effect of above-mentioned further scheme is: facilitating the controller and outside whole by the network communication interface
End carries out two-way communication, and by the power interface, can be convenient external power supply is the controller, uniformly light-emitting plate and display
Screen provides power supply.
Further, the controller uses ARM chip.
Detailed description of the invention
Fig. 1 is the glasses parameter measurement instrument structural schematic diagram based on dual camera of the utility model；
Fig. 2 is the explosive view of the glasses parameter measurement instrument based on dual camera of the utility model；
Fig. 3 is the case for lens and camera connection relationship diagram of the utility model.
In attached drawing, parts list represented by the reference numerals are as follows:
1, pedestal, 2, support arm, 3, camera, 4, keyboard, 5, display screen, 6, circuit interface, 7, uniformly light-emitting plate, 8, mirror
Head cartridge, 9, interactive panel, 10, connecting plate.
Specific embodiment
The principles of the present invention and feature are described below in conjunction with attached drawing, example is served only for explaining that this is practical
It is novel, it is not intended to limit the scope of the utility model.
Shown in as shown in Figs. 1-3, a kind of glasses parameter measurement instrument based on dual camera, including pedestal 1 and controller, institute
The upper surface for stating pedestal 1 is equipped with detection zone, and the pedestal 1 is equipped with the support arm 2 of L-type, and the support arm 2 is far from the bottom
One end of seat 1 is equipped with case for lens 8, and the case for lens 8 is equipped with opening, and the case for lens 8 towards the detection zone lower surface
Interior to set towards the detection zone there are two camera 3, the side surface of the pedestal 1 is equipped with circuit interface 6, the controller point
It is not electrically connected with the camera 3, keyboard 4 and display screen 5, the circuit interface 6 is electric with the controller and display screen 5 respectively
Connection.
The glasses parameter measurement instrument based on dual camera of the utility model, is obtained respectively by two cameras 3 and is located at
The image information of the glasses to be measured of detection zone, and determine that the optical centre of glasses to be measured is joined by existing image processing algorithm
Numerical value, easy to detect, high-efficient, without relying on the experience of testing staff, detection accuracy is high.
It is set of particular note is that described two cameras 3 in the utility model can be two individual camera shootings
Standby, each picture pick-up device is also possible to integrated picture pick-up device by independent camera lens and imaging sensor (CMOS or CCD),
Such as match two imaging sensors (CMOS or CCD) there are two camera lens on a picture pick-up device, as long as two camera lenses relative to
The shooting angle of detection zone is different, does not do any restriction here, these are all within the protection scope of the present utility model.
Preferably, in embodiment provided by the utility model, uniformly light-emitting plate 7 is equipped in the detection zone, it is described
Uniformly light-emitting plate 7 is electrically connected with the controller and circuit interface 6 respectively.It can be to institute by the way that the uniformly light-emitting plate 7 is arranged
It states detection zone and carries out Uniform Illumination, the image information for the glasses to be measured being more clear is obtained convenient for two cameras 3, to make
It is more accurate to obtain measurement result.
It is highly preferred that the uniformly light-emitting plate 7 is equipped with light guide plate and light source in embodiment provided by the utility model,
And the light source is located at the side and/or lower section of the light guide plate.The light source can be made to go out by the way that the light guide plate is arranged
The light penetrated it is more uniform expose to detection zone so that the camera 3 more clearly from obtains glasses to be measured
Image information improves measurement accuracy.
In practice, the detection zone is (its apparent height is lower than described in a groove of the surface of the pedestal 1 setting
The height on 1 surface of pedestal), in this case, the uniformly light-emitting plate 7 is a flat surface the additional surrounding light source of light guide plate, in this way from
The light that surrounding light source issues can spread the surface for being refracted to light guide plate by the lattice structure of light guide plate, so that the camera shooting
The image information better quality of first 3 shooting.
Preferably, in embodiment provided by the utility model, the light guide plate is plastic material and surface is lattice structure
Plate.Plastic material has the characteristics that hardness is high, light transmittance is good, is very suitable to be arranged in detection zone, on the one hand can be right
Glasses to be measured carry out firm support, on the other hand can uniformly be emitted the light that the light source issues, and luminous energy damages
It consumes smaller.
Preferably, in embodiment provided by the utility model, the light source is LED light source.LED light source has electro-optic conversion
Advantage high-efficient, small in size.It is easily mounted on around the light guide plate, and it is smaller to radiate.
In embodiment provided by the utility model, the side on the pedestal 1 far from the support arm 2 is equipped with interactive panel
9, the keyboard 4 and display screen 5 are arranged in the interactive panel 9.Making entire measuring instrument integration in this way, volume is smaller,
It uses more convenient.
It should be pointed out that the display screen 5 is electrically connected with the controller, for showing what the camera 3 obtained
Image information, and output optics Center Parameter value, the keyboard 4 are configured measuring instrument and adjust for realizing interaction.
Here, the display screen 5 can use LCD liquid crystal display screen.
Preferably, in embodiment provided by the utility model, the interactive panel 9 is rotatablely connected with the pedestal 1, and institute
Stating interactive panel 9 can spin upside down around the junction of the two.Turn of the adjustable interactive panel 9 through the above way
Angle is located at the display screen 5 in the interactive panel 9 convenient for operator's observation, and operates the keyboard, and after measurement
The interactive panel 9 is packed up.
Preferably, in embodiment provided by the utility model, the height-adjustable setting of the support arm 2.It in this way can be with
Cooperate the camera 3 to get satisfactory image information, guarantees the precision of measurement.In practice, telescopic arm can be used
To realize height adjustment.
Preferably, in embodiment provided by the utility model, the support arm 2 is detachably connected with the pedestal 1.Pass through
Detachable connection can be convenient installation and removal, can steadily be supported to the camera 3 in measurement, and
It separates after measurement with the pedestal 1, is placed convenient for storage, it is very convenient.In practice, the support arm 2 and the pedestal 1
Connection type can be with are as follows: the pedestal 1 is equipped with multiple screw holes, the support arm 2 close to one end of the pedestal 1 by with
Bolt and the pedestal 1 connection that the screw hole matches.
Preferably, in embodiment provided by the utility model, the case for lens 8 is with the support arm 2 far from the pedestal 1
One end be detachably connected.By detachable connection, the case for lens 8 can be torn open together with the camera 3 to set within it
It unloads down, and carries out the calibration of camera parameter, and assembled after calibration, it is very convenient, and go out in camera 3
It is convenient for changing when existing failure.
Specifically, screw hole, the support arm 2 one end and connection far from the pedestal 1 are preset on connecting plate 10
Plate 10 passes through the screw hole mouth by bolt and connect with nut, and the case for lens 8 is passed through with the connecting plate 10 also by bolt
The screw hole mouth is connect with nut.In this way, eaily case for lens 8 can be removed together with the camera 3 to set within it.
In embodiment provided by the utility model, the circuit interface 6 includes network communication interface and power interface, described
Network communication interface and power interface are electrically connected with the controller respectively.Facilitate the control by the network communication interface
Device and exterior terminal carry out two-way communication, and by the power interface, can be convenient external power supply is the controller, uniformly hair
Tabula rasa and display screen provide power supply.
In embodiment provided by the utility model, controller uses ARM chip.It can certainly be single using DSP, 51 series
Any one of piece machine or FPGA.
The glasses parameter measurement instrument working principle based on dual camera of the utility model is as follows:
The optic center point of glasses to be measured or so eyeglass is identified by vertometer, and to the optical centre of the left and right eyeglass
Point is marked respectively；The glasses to be measured are adjusted according to the position of the glasses to be measured of 5 real-time display of display screen
To the center of the detection zone, described two cameras obtain the image information of the glasses to be measured respectively, obtain the
One image information and the second image information；Existing image recognition is utilized according to the first image information and the second image information
Technology can determine the 3 d space coordinate of optic center point and the marginal information of eyeglass and symmetry axis of the left and right eyeglass,
It can be calculated according to the 3 d space coordinate of optic center point of the left and right eyeglass and the marginal information of eyeglass and symmetry axis
Obtain the optical centre parameter value of glasses to be measured, such as: optical centre unilateral side horizontal distance, unilateral lens optical center height,
Optical centre horizontal distance, optical center distance and the vertical mutual deviation of optical centre etc..
Specifically, each optic center point is calculated according to the 3 d space coordinate of each optic center point and symmetry axis
To the distance of the symmetry axis, and the optical centre unilateral side horizontal distance as the glasses to be measured；
Each optic center point is calculated to upper according to the 3 d space coordinate of each optic center point and marginal information
The distance at edge or lower edge, as unilateral lens optical center height；
The sum of corresponding optical centre unilateral side horizontal distance of the optic center point of calculating two, the light as glasses to be measured
Learn central horizontal distance；
The distance between two described optic center points are calculated according to the 3 d space coordinate of two optic center points,
Optical center distance as glasses to be measured；
Two optic center points are calculated along described right according to the 3 d space coordinate of two optic center points
Claim the difference in height of axis direction, the vertical mutual deviation of optical centre as glasses to be measured.
In practice, the center of detection zone can be marked in advance, when placing glasses to be measured, by eye to be measured
Mirror is placed on the center of detection zone.It certainly, before measuring, may when placement since glasses are irregular shape
Little deviation is had, but this does not influence actual measurement result.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (10)
1. a kind of glasses parameter measurement instrument based on dual camera, it is characterised in that: including pedestal (1) and controller, the bottom
The upper surface of seat (1) is equipped with detection zone, and the pedestal (1) is equipped with support arm (2), and the support arm (2) is far from the bottom
One end of seat (1) is equipped with case for lens (8), and the case for lens (8) is equipped with opening, and the mirror towards the detection zone lower surface
It is set towards the detection zone there are two camera (3) in head cartridge (8), the side surface of the pedestal (1) is equipped with circuit interface
(6), the controller is electrically connected with the camera (3), keyboard (4) and display screen (5) respectively, the circuit interface (6) point
It is not electrically connected with the controller and display screen (5).
2. the glasses parameter measurement instrument according to claim 1 based on dual camera, it is characterised in that: the detection zone
Interior to be equipped with uniformly light-emitting plate (7), the uniformly light-emitting plate (7) is electrically connected with the controller and circuit interface (6) respectively.
3. the glasses parameter measurement instrument according to claim 2 based on dual camera, it is characterised in that: the uniformly light-emitting
Plate (7) is equipped with light guide plate and light source, and the light source is located at the side and/or lower section of the light guide plate.
4. the glasses parameter measurement instrument according to claim 3 based on dual camera, it is characterised in that: the light guide plate is
Plastic material and surface are the plate of lattice structure, and the light source is LED light source.
5. the glasses parameter measurement instrument according to claim 1 based on dual camera, it is characterised in that: the pedestal (1)
The upper side far from the support arm (2) is equipped with interactive panel (9), and the keyboard (4) and display screen (5) are arranged in the interaction
On panel (9).
6. the glasses parameter measurement instrument according to claim 5 based on dual camera, it is characterised in that: the interactive panel
(9) it is rotatablely connected with the pedestal (1), and the interactive panel (9) can be spun upside down around the junction of the two.
7. the glasses parameter measurement instrument according to any one of claims 1 to 6 based on dual camera, it is characterised in that: institute
State the height-adjustable setting of support arm (2).
8. the glasses parameter measurement instrument according to any one of claims 1 to 6 based on dual camera, it is characterised in that: institute
Support arm (2) is stated to be detachably connected with the pedestal (1).
9. the glasses parameter measurement instrument according to any one of claims 1 to 6 based on dual camera, it is characterised in that: institute
It states case for lens (8) and is detachably connected with the support arm (2) far from the one end of the pedestal (1).
10. the glasses parameter measurement instrument according to any one of claims 1 to 6 based on dual camera, it is characterised in that: institute
Stating circuit interface (6) includes network communication interface and power interface, the network communication interface and power interface respectively with it is described
Controller electrical connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821416694.7U CN208653769U (en) | 2018-08-31 | 2018-08-31 | A kind of glasses parameter measurement instrument based on dual camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821416694.7U CN208653769U (en) | 2018-08-31 | 2018-08-31 | A kind of glasses parameter measurement instrument based on dual camera |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208653769U true CN208653769U (en) | 2019-03-26 |
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ID=65792314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821416694.7U Active CN208653769U (en) | 2018-08-31 | 2018-08-31 | A kind of glasses parameter measurement instrument based on dual camera |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208653769U (en) |
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2018
- 2018-08-31 CN CN201821416694.7U patent/CN208653769U/en active Active
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