CN108702218A - A kind of light source module group, image acquiring device, identity recognition device and electronic equipment - Google Patents
A kind of light source module group, image acquiring device, identity recognition device and electronic equipment Download PDFInfo
- Publication number
- CN108702218A CN108702218A CN201880000782.5A CN201880000782A CN108702218A CN 108702218 A CN108702218 A CN 108702218A CN 201880000782 A CN201880000782 A CN 201880000782A CN 108702218 A CN108702218 A CN 108702218A
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- light source
- light
- module group
- source module
- electronic equipment
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- 230000003287 optical effect Effects 0.000 claims abstract description 6
- 238000004806 packaging method and process Methods 0.000 claims description 7
- 238000003384 imaging method Methods 0.000 claims description 3
- 238000000059 patterning Methods 0.000 claims 1
- 239000011159 matrix material Substances 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000003491 array Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 210000004556 brain Anatomy 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/50—Transmitters
- H04B10/516—Details of coding or modulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/50—Transmitters
- H04B10/501—Structural aspects
- H04B10/502—LED transmitters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
Abstract
The application is suitable for optical technical field, provides a kind of light source module group.The light source module group includes light source and Beam former.The light source is for emitting light.The light source includes micro-led array.The light received is modulated by the Beam former for receiving the light that the light source is emitted, and forms patterned structure light.The application also provides a kind of image acquiring device, identity recognition device and electronic equipment using the light source module group.The application use include micromation light emitting diode matrix light source, it is small, pattern is flexible the advantages that.
Description
Technical field
The application belongs to optical technical field more particularly to a kind of light source module group, image acquiring device, identity recognition device
And electronic equipment.
Background technology
" structure light (structure light) " refers to the light with specific modality, is designed to striped form, rule
Then dot matrix form, grid form, speckle form, coding form etc., the light shape of even more complicated form.It is fluffy with optical technology
The exhibition of breaking out, will be used wider and wider for structure light is general, for example, identification, projecting apparatus, three-dimensional (Three-dimensional,
3D) profile reproduction, depth survey, anti-counterfeiting identification etc..Therefore how to provide a kind of light source module group that capableing of emitting structural light becomes
The emphasis of people's research.
Present light source module group generally uses arrangement of laser emitters as light source, this result in the volume of light source module group compared with
Greatly, it can be only applied in the larger equipment of volume.If the small volume of equipment itself just necessarily requires the size of light source module group
It must very little.For example it is 10 micron orders that the two neighboring laser emitter in the light source module group on mobile phone, which goes out the spacing between luminous point,
Not, the expensive vertical cavity surface emitting laser of generally use (Vertical Cavity Surface Emitting
Laser, VCSEL), and this requirement can be only achieved using complicated and special manufacture craft, and the pattern that VCSEL is formed is solid
It is fixed, therefore it is not easy to wide popularization and application.
Invention content
Technical problems to be solved in this application are to provide a kind of light source module group of changeable light source pattern, image obtains
Device, identity recognition device and electronic equipment, it is intended to which small, at low cost and manufacture craft is simple.
The application is achieved in that a kind of light source module group of changeable light source pattern comprising light source and light beam are formed
Device.The light source is for emitting light.The Beam former is for receiving the light that the light source is emitted, and the light that will be received
It is modulated, forms patterned structure light.The light source includes micro-led array.
Further, which further comprises driving chip, which being capable of dynamic control as needed
It is each micro-led whether lighting, to the patterned light emitting array needed for being formed.
Further, which further includes a packaging body.The packaging body includes accommodating cavity and light out part.The light source
And the beam forming component is accommodated in the accommodating cavity.The Beam former is formed by structure light and can be penetrated from the light out part
Go out.
Further, which is transparent or translucent.
Further, which further includes a collimation lens.The collimation lens is arranged in the light source and the light beam
It is formed between element, the light for being emitted the light source is calibrated to directional light and then injects the beam forming component.
Further, which is microlens array or Fresnel Lenses.
Further, which includes diffraction optical element or imaging len.
Present invention also provides a kind of image acquiring devices comprising sensing module and above-mentioned light source module group.The light source
Module is used to emit patterned structure light, and will be on the project structured light a to object.The sensing module is for obtaining quilt
The image for the structure light that the object is reflected.
Further, which further comprises processor, the image for being obtained according to the sensing module
Export the 3D figures of the object.
Present invention also provides a kind of identity recognition devices comprising identification module and above-mentioned image acquiring device.It should
Identify that module carries out identification for the image acquired in the image acquiring device.
In some embodiments, which includes face authentification device.
Present invention also provides a kind of electronic equipment, including above-mentioned identity recognition device, the electronic equipment is used for root
According to the recognition result of the identity recognition device corresponding function whether is executed to correspond to.
Further, corresponding function include unlock, payment, start in the application program that prestores any one or
It is several.
Further, which includes display screen, which is micro-led array, the display
The apex zone of screen is multiplexed the light source as the light source module group.
Further, which further comprises receiver, which is located at side or the opposite sides of receiver.
Compared with prior art, advantageous effect is the application:It includes micro-led battle array that the light source module group, which uses,
Row, small, at low cost and manufacture craft are simple.
Description of the drawings
Fig. 1 is the structural schematic diagram of light source module group provided by the embodiments of the present application.
Fig. 2 and Fig. 3 is the structural schematic diagram of the light source of the light source module group of Fig. 1.
Fig. 4 and Fig. 5 is the structural schematic diagram for the image acquiring device that the application second embodiment provides.
Fig. 6 is the structural schematic diagram for face's identity recognition device that the application 3rd embodiment provides.
Fig. 7 is the structural schematic diagram for the electronic equipment that the application fourth embodiment provides.
Specific implementation mode
It is with reference to the accompanying drawings and embodiments, right in order to make the object, technical solution and advantage of the application be more clearly understood
The application is further elaborated.It should be appreciated that specific embodiment described herein is only used to explain the application, and
It is not used in restriction the application.
As shown in Figure 1, a kind of light source module group 100 provided herein comprising a hollow packaging body 10 and appearance
Set a light source 20, a Beam former 30 in the packaging body 10.
The packaging body 10 includes an accommodating cavity 11 and a light out part 13.
The light source 20 and the Beam former 30 are accommodated in the accommodating cavity 11.
The light source 20 is for emitting light.The light source 20 be include micro-led (micro light
Emitting diode, Micro-LED) array.
Specifically, as shown in Fig. 2, the light source 20 can be multiple independent Micro-LED.In the present embodiment, this is more
A independent Micro-LED such as rectangular arrays are arranged.So, ground is changed, it is in other embodiments, multiple independent
Micro-LED can also be in that Else Rule or non-regular are arranged.
As shown in Figure 1, the light source module group 100 for example further comprises driving chip 40, which being capable of basis
User needs whether lighting of each Micro-LED of dynamic control, to form required patterned light emitting array.Therefore,
When being superimposed DOE diffracting layers on Micro-LED arrays, arbitrary dynamic change diffraction pattern can be reached, and control pattern and become
Change with little need for cost.
Each Micro-LED can be considered a pixel, can addressing, be operated alone and light, will be between neighbor pixel
Away from being reduced to micron order.That is, the light source 20 uses micro-led (Micro-Light emitting
Diode, Micro-LED) technology is made.The Micro-LED technologies are the technology of the micro and matrixing of LED, are not only had
High efficiency, high brightness and high reliability and reaction time fast advantage, and it is small, frivolous, it can effective energy saving.
The light received is modulated by the Beam former 30 for receiving the light that the light source 20 is emitted,
Form patterned structure light.The patterned structured light projection forms image in calibration face 101 (see Fig. 1).The image
It is determined by the pattern of the light source 20 and the structure of the Beam former 30.
In the present embodiment, the Beam former 30 such as substantially rectangular-shape, and include transparent substrate and be formed in
The upper phase wavestrip diffraction structure of transparent substrate.By the diffraction of the Beam former 30, treated that light can project to appointing
What plane appropriate or spatially, forms the image with certain pattern.By changing the phase wavestrip diffraction structure, can change
Become the pattern that the Beam former 30 is formed by structure light.The Beam former 30 is such as, but not limited to include diffraction optics
Element (Diffractive Optical Element, DOE) or imaging len.However, ground is changed, in other embodiment
In, the device of the Beam former 30 or other suitable types can be realized to form patterned structure light.The figure
The structure light of case is such as in striped formula, dot matrix, grid type, coding type.
The light out part 13 projects the packaging body 10 for receiving and the Beam former 30 being allowed to be formed by structure light.It should
Light out part 13 is, for example, transparent or translucent.
The course of work of the light source module group 100 is:The light that the light source 20 is emitted reaches the Beam former 30, is adjusted
Patterned structure light is made, finally the structure light is projected by the light out part 13.
In other embodiments, a collimated light is set in light path that also can be between the light source 20 and the Beam former 30
Element (such as microlens array or Fresnel Lenses) is learned, the light for being emitted the light source 20 is calibrated, and is formed flat
Row light, to obtain the light source of a uniform intensity distribution.After the light source of uniform intensity distribution is modulated by the Beam former 30, obtain
To the structure light of uniform intensity distribution, and the transfer efficiency and pattern accuracy of structure light can be improved.At this point, the light source module group
100 course of work is:The light that the light source 20 is emitted reaches collimation optics (not shown), is calibrated to directional light;
The directional light reaches the Beam former 30, is modulated into patterned structure light;Finally the structure light passes through the light out part 13
It projects.
Further, as shown in figure 4, the application second embodiment provides a kind of image acquiring device 200 comprising sensing
Module 201 and such as above-mentioned light source module group 100.The light source module group 100 is for emitting patterned structure light, and by the structure light
It is projected on an object.The sensing module 201 is used to obtain the image of the structure light reflected by the object.
In some embodiments, which for example further comprises processor (not shown), is used for root
The image obtained according to the sensing module 201 exports the 3D figures of the object.
As shown in figure 4, working as the patterned light-emitting array that the light source module group 100 is made of multiple independent Micro-LED
When row, which can be arranged the electronic equipment 400 (such as mobile phone) applied in the image acquiring device 200
Display screen 401 (thick line area encompassed in figure) outside (such as around).
As shown in figure 5, when the light source module group 100 is made of Micro-LED technologies, which can be with
(thick line is surrounded the display screen 401 for the electronic equipment 400 (such as mobile phone) applied with the image acquiring device 200 in figure
Region) be an integral molding structure, be then superimposed the beam forming component 30 in the outside of the light source 20.
For example, the display screen 401 is Micro-LED arrays, the apex zone multiplexing of the display screen 401 is used as the light
The light source 20 of source module 100.
The electronic equipment 400 further comprises that receiver (not indicating), the apex zone are located at the side or opposite two of receiver
Side.
Further, as shown in fig. 6, the application 3rd embodiment provides a kind of identity recognition device 300 comprising sensing
Module 301, identification module 302 and above-mentioned light source module group 100.The light source module group 100 is used to emit patterned structure light, and
By the project structured light a to object under test.The sensing module 301 is for obtaining the structure light reflected by the object under test
Image.The identification module 302 is used to carry out identification according to the image that the sensing module 301 is obtained.
The identity recognition device 300 is, for example, face authentification device.However, the identity recognition device 300 can also be used for knowing
Other proper sites of others' body, or even other organisms or inorganic matter for identification.
When the patterned light emitting array that the light source module group 100 is made of multiple independent Micro-LED, the light source
The outside of the display screen for the electronic equipment (such as mobile phone) applied in the identity recognition device 300 can be arranged in 20 (see Fig. 1)
(around such as).
When the light source module group 100 is made of Micro-LED technologies, which can know with the identity
The display screen for the electronic equipment (such as mobile phone) that other device 300 is applied is an integral molding structure, then in the outer of the light source 20
Side is superimposed the beam forming component 30.
Further, as shown in fig. 7, the application fourth embodiment provides a kind of electronic equipment 400, such as but do not limit to
In the electronics for suitable types such as consumer electrical product, household formula electronic product, vehicular electronic product, financial terminal products
Product.Wherein, consumer electrical product for example but is not limited to mobile phone, tablet computer, laptop, tabletop display, electricity
Brain all-in-one machine etc..Household formula electronic product such as but being not limited to intelligent door lock, TV, refrigerator, Wearable.Vehicular
Electronic product such as but being not limited to automatic navigator, vehicle-carrying DVD.Financial terminal product for example but be not limited to ATM machine, from
Help the terminal etc. of transacting business.The electronic equipment 400 includes above-mentioned identity recognition device 300.400 basis of the electronic equipment
Whether the identification result of the identity recognition device 300 executes corresponding function to correspond to.Corresponding function is for example
But to be not limited to include unlock, payment, starts any one or a few in the application program that prestores.
In the present embodiment, it is illustrated so that electronic equipment 400 is mobile phone as an example.What the mobile phone for example, shielded comprehensively
Mobile phone, the identity recognition device 300 are for example arranged on the positive top of mobile phone.Certainly, the mobile phone is also not restricted to entirely
Face mobile phone.
For example, when user needs to boot up unlock, the screen for lifting mobile phone or touch mobile phone can act as wake-up
The effect of the identity recognition device 300.After the identity recognition device 300 is waken up, identify that the user in front of the mobile phone is
When legal user, then lock screen is solved.Compared with prior art, the light source module group 100 of the application, image acquiring device 200,
Identity recognition device 300 and electronic equipment 400, the patterned light emitting array formed using multiple independent Micro-LED
As light source, small, at low cost and manufacture craft is simple, while can also effective energy saving.In addition, light source module group 100
Diffraction pattern can need dynamic to adjust according to user.
The foregoing is merely the preferred embodiments of the application, not limiting the application, all essences in the application
All any modification, equivalent and improvement etc., should be included within the protection domain of the application made by within refreshing and principle.
Claims (15)
1. a kind of light source module group comprising light source and Beam former, the light source is for emitting light;The Beam former is used for
The light that the light source is emitted is received, and the light received is modulated, forms patterned structure light;Its feature exists
In the light source includes micro-led array.
2. light source module group as claimed in claim 1 or 2, which is characterized in that the light source module group further comprises driving chip, should
Driving chip can as needed dynamic control it is each micro-led whether lighting, to the patterning needed for being formed
Light emitting array.
3. light source module group as claimed in claim 1 or 2, which is characterized in that the light source module group further includes a packaging body, the envelope
It includes accommodating cavity and light out part to fill body, and the light source and the beam forming component are accommodated in the accommodating cavity, the Beam former
Being formed by structure light can project from the light out part.
4. light source module group as claimed in claim 3, which is characterized in that the light out part is transparent or translucent.
5. light source module group as claimed in claim 1 or 2, which is characterized in that the light source module group further includes a collimation lens;It should
Collimation lens is arranged between the light source and the beam forming component, and the light for being emitted the light source is calibrated to directional light
And then inject the beam forming component.
6. light source module group as claimed in claim 5, which is characterized in that the collimation optics are microlens array or Fresnel
Lens.
7. light source module group as claimed in claim 1 or 2, which is characterized in that the Beam former include diffraction optical element or
Person's imaging len.
8. a kind of image acquiring device, which is characterized in that it includes sensing module and such as any one of the claims 1-7 institutes
The light source module group stated, the light source module group are used to emit patterned structure light, and will be on the project structured light a to object;It should
Sensing module is used to obtain the image of the structure light reflected by the object.
9. image acquiring device as described in claim 1, which is characterized in that the image acquiring device further comprises handling
Device, the image for being obtained according to the sensing module export the 3D figures of the object.
10. a kind of identity recognition device, which is characterized in that it includes described in identification any one of module and claim 8-9
Image acquiring device;The identification module carries out identification for the image acquired in the image acquiring device.
11. identity recognition device as claimed in claim 10, which is characterized in that the identity recognition device includes face recognition dress
It sets.
12. the identity recognition device described in any one of a kind of electronic equipment, including claim 10-11, the electronics is set
It is ready for use on and whether corresponding function is executed to correspond to according to the recognition result of the identity recognition device.
13. electronic equipment as claimed in claim 12, it is characterised in that:Corresponding function includes unlock, payment, starts
Any one or a few in the application program to prestore.
14. electronic equipment as claimed in claim 12, it is characterised in that:The electronic equipment includes display screen, the display screen
Curtain is micro-led array, and the apex zone of the display screen is multiplexed the light source as the light source module group.
15. electronic equipment as claimed in claim 14, it is characterised in that:The electronic equipment further comprises receiver, the top
Region is located at side or the opposite sides of receiver.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2018/086152 WO2019213865A1 (en) | 2018-05-09 | 2018-05-09 | Light source module, image acquisition device, identity recognition device and electronic apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108702218A true CN108702218A (en) | 2018-10-23 |
Family
ID=63841503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201880000782.5A Pending CN108702218A (en) | 2018-05-09 | 2018-05-09 | A kind of light source module group, image acquiring device, identity recognition device and electronic equipment |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN108702218A (en) |
| WO (1) | WO2019213865A1 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109277015A (en) * | 2018-08-30 | 2019-01-29 | 东莞市闻誉实业有限公司 | Raw material stirs lighting device |
| CN109643052A (en) * | 2018-11-24 | 2019-04-16 | 深圳阜时科技有限公司 | A kind of light-source structure, optical projection mould group, sensing device and equipment |
| CN110275381A (en) * | 2019-06-26 | 2019-09-24 | 业成科技（成都）有限公司 | Structured light mould group and the depth sense equipment for applying it |
| CN110361870A (en) * | 2019-07-29 | 2019-10-22 | 深圳阜时科技有限公司 | A kind of optical module, transmitting unit, sensing mould group and electronic equipment |
| WO2020093294A1 (en) * | 2018-11-08 | 2020-05-14 | 深圳市汇顶科技股份有限公司 | Vertical cavity surface light-emitting laser, structured light module, and light projection method and terminal |
| CN113251951A (en) * | 2021-04-26 | 2021-08-13 | 黄淮学院 | Calibration method of line structured light vision measurement system based on single calibration surface mapping |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105308626A (en) * | 2013-01-17 | 2016-02-03 | 西奥尼克斯股份有限公司 | Biometric imaging devices and associated methods |
| CN105929559A (en) * | 2016-06-20 | 2016-09-07 | 深圳奥比中光科技有限公司 | Laser module, laser module preparation method and depth measurement device |
| CN106990519A (en) * | 2017-05-12 | 2017-07-28 | 中国科学院苏州生物医学工程技术研究所 | Structured Illumination micro imaging system |
| CN107389631A (en) * | 2017-04-28 | 2017-11-24 | 中国科学院生物物理研究所 | The multi-modal Structured Illumination super-resolution micro imaging system of high speed polychrome and its method |
| CN107491302A (en) * | 2017-07-31 | 2017-12-19 | 广东欧珀移动通信有限公司 | terminal control method and device |
| CN206877030U (en) * | 2017-07-07 | 2018-01-12 | 深圳奥比中光科技有限公司 | Light-emitting device and its laser projection module |
| CN208297850U (en) * | 2018-05-09 | 2018-12-28 | 深圳阜时科技有限公司 | A kind of light source module group, image acquiring device, identity recognition device and electronic equipment |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI658410B (en) * | 2016-09-07 | 2019-05-01 | 李美燕 | Optical imaging system with variable light field for biometrics application |
-
2018
- 2018-05-09 CN CN201880000782.5A patent/CN108702218A/en active Pending
- 2018-05-09 WO PCT/CN2018/086152 patent/WO2019213865A1/en active Application Filing
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105308626A (en) * | 2013-01-17 | 2016-02-03 | 西奥尼克斯股份有限公司 | Biometric imaging devices and associated methods |
| CN105929559A (en) * | 2016-06-20 | 2016-09-07 | 深圳奥比中光科技有限公司 | Laser module, laser module preparation method and depth measurement device |
| CN107389631A (en) * | 2017-04-28 | 2017-11-24 | 中国科学院生物物理研究所 | The multi-modal Structured Illumination super-resolution micro imaging system of high speed polychrome and its method |
| CN106990519A (en) * | 2017-05-12 | 2017-07-28 | 中国科学院苏州生物医学工程技术研究所 | Structured Illumination micro imaging system |
| CN206877030U (en) * | 2017-07-07 | 2018-01-12 | 深圳奥比中光科技有限公司 | Light-emitting device and its laser projection module |
| CN107491302A (en) * | 2017-07-31 | 2017-12-19 | 广东欧珀移动通信有限公司 | terminal control method and device |
| CN208297850U (en) * | 2018-05-09 | 2018-12-28 | 深圳阜时科技有限公司 | A kind of light source module group, image acquiring device, identity recognition device and electronic equipment |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109277015A (en) * | 2018-08-30 | 2019-01-29 | 东莞市闻誉实业有限公司 | Raw material stirs lighting device |
| WO2020093294A1 (en) * | 2018-11-08 | 2020-05-14 | 深圳市汇顶科技股份有限公司 | Vertical cavity surface light-emitting laser, structured light module, and light projection method and terminal |
| US10971900B2 (en) | 2018-11-08 | 2021-04-06 | Shenzhen GOODIX Technology Co., Ltd. | Vertical-cavity surface-emitting laser, structured light module and method for light projection and terminal |
| CN109643052A (en) * | 2018-11-24 | 2019-04-16 | 深圳阜时科技有限公司 | A kind of light-source structure, optical projection mould group, sensing device and equipment |
| CN110275381A (en) * | 2019-06-26 | 2019-09-24 | 业成科技（成都）有限公司 | Structured light mould group and the depth sense equipment for applying it |
| CN110275381B (en) * | 2019-06-26 | 2021-09-21 | 业成科技（成都）有限公司 | Structural light emission module and depth sensing equipment using same |
| CN110361870A (en) * | 2019-07-29 | 2019-10-22 | 深圳阜时科技有限公司 | A kind of optical module, transmitting unit, sensing mould group and electronic equipment |
| CN113251951A (en) * | 2021-04-26 | 2021-08-13 | 黄淮学院 | Calibration method of line structured light vision measurement system based on single calibration surface mapping |
| CN113251951B (en) * | 2021-04-26 | 2024-03-01 | 湖北汽车工业学院 | Calibration method of line structured light vision measurement system based on single calibration surface mapping |
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| Publication number | Publication date |
|---|---|
| WO2019213865A1 (en) | 2019-11-14 |
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Application publication date: 20181023 |