CN108780502A - Three-dimensional mapping device, identity recognition device and electronic equipment for target - Google Patents
Three-dimensional mapping device, identity recognition device and electronic equipment for target Download PDFInfo
- Publication number
- CN108780502A CN108780502A CN201880000783.XA CN201880000783A CN108780502A CN 108780502 A CN108780502 A CN 108780502A CN 201880000783 A CN201880000783 A CN 201880000783A CN 108780502 A CN108780502 A CN 108780502A
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- Prior art keywords
- light source
- projection device
- dot pattern
- source projection
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/16—Human faces, e.g. facial parts, sketches or expressions
- G06V40/161—Detection; Localisation; Normalisation
- G06V40/166—Detection; Localisation; Normalisation using acquisition arrangements
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/10—Image acquisition
- G06V10/12—Details of acquisition arrangements; Constructional details thereof
- G06V10/14—Optical characteristics of the device performing the acquisition or on the illumination arrangements
- G06V10/143—Sensing or illuminating at different wavelengths
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/10—Image acquisition
- G06V10/12—Details of acquisition arrangements; Constructional details thereof
- G06V10/14—Optical characteristics of the device performing the acquisition or on the illumination arrangements
- G06V10/147—Details of sensors, e.g. sensor lenses
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Human Computer Interaction (AREA)
- Vascular Medicine (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Projection Apparatus (AREA)
Abstract
3D mapping devices, identity recognition device and electronic equipment this application discloses a kind of light source projection device, for target.The light source projection device includes：Light source；Patterned member is arranged the light direction in the light source, dot pattern is provided on the patterned member, wherein the dot pattern is arranged in grid；And optical element, the light direction in the light source is set, for transmiting the light sent out from the light source and after the patterned member.
Description
Technical field
This application involves for being mapped three-dimensional (Three-Dimension, 3D) target (mapping) device,
And include the identity recognition device and electronic equipment of the 3D mapping devices for target.
Background technology
Currently, the field of 3D rendering Application in Sensing is more and more, for example, automobile, aviation, mold, medical treatment, intelligent terminal,
The fields such as unmanned plane, robot, still, current 3D mapping methods are more complex, and cost is high, is unfavorable for it in industrialization
On it is quick universal.
Invention content
In view of this, the application is intended to provide a kind of light source projection device, for the 3D mapping devices of target, identification
Device and electronic equipment reduce the cost of 3D mappings to reduce the calculation amount of 3D mappings.
The application provides a kind of light source projection device, including：
Light source；
Patterned member is arranged the light direction in the light source, dot pattern is provided on the patterned member, wherein institute
Dot pattern is stated to arrange in grid；With
The light direction in the light source is arranged in optical element, is sent out from the light source and by the figure for transmiting
Light after case component.
In some embodiments, there is hot spot on the only each side of each grid.
In some embodiments, the grid is square.
In some embodiments, at least there are three hot spots for each edge of each grid of the dot pattern.
In some embodiments, there are three each edges of each grid of the dot pattern, four or five light
Spot.
In some embodiments, the length of each edge of each grid of the dot pattern is 7mm.
In some embodiments, a diameter of 1mm of the hot spot.
In some embodiments, the range of the light source projection device projection dot matrix image is 40cm.
In some embodiments, which generates structure light for being modulated to the light beam from the light source.
In some embodiments, the light source is array light source or backlight.
In some embodiments, the backlight is LCD light source.
In some embodiments, the array light source is VCSEL light source.
In some embodiments, the patterned member includes being provided with the glass substrate for carrying the dot pattern.
In some embodiments, the dot pattern is metal material.
In some embodiments, the optical element is lens or lens group.
In some embodiments, the optical element spreads light beam and far field imaging for playing the role of.
In some embodiments, it is provided with collimating element between the light source and the pattern elements.
The application also provides a kind of 3D mapping devices for target, including：
Light source projection device described in any one of above-mentioned, for projecting dot pattern to target, wherein the dot chart
Case is arranged in grid；
Image sensing device, the image for capturing the dot pattern in the target；With
Processor, the image of the dot pattern for handling capture, to export the 3D figures of the target.
The application also provides a kind of identity recognition device, which is characterized in that including identification module and above-mentioned 3D mapping dresses
It sets；The identification module be used for according to the 3D mapping devices institute derived from target 3D figure progress identification.
In some embodiments, which includes face authentification device.
The application also provides a kind of electronic equipment, including it is any one of above-mentioned described in light source projection device or packet
Include the device of the above-mentioned 3D mappings for target or including above-mentioned identity recognition device.
Light source projection device compared with prior art, by the dot matrix of the be projected to target of the light source projection device of the application
Pattern is arranged in grid, is only provided with hot spot on each side of grid, therefore, the luminous point negligible amounts of projection, but being based on should
The judgement required precision of 3D identifications can be met in the three-dimensional sensing of the dot pattern of grid arrangement and by optical system reality
It is existing, to advantageously reduce the calculation amount of follow-up 3D mappings and identification, to advantageously reduce 3D mappings and identification at
This.
Being described below for exemplary embodiment is read with reference to the drawings, other property features and advantage of the application will
It is apparent from.
Description of the drawings
It is incorporated into specification and the attached drawing of a part for constitution instruction shows embodiments herein, and with
Description is used to explain the principle of the application together.In the drawings, similar reference numeral is for indicating similar element.Under
Attached drawing in the description of face is some embodiments of the present application, rather than whole embodiments.Those of ordinary skill in the art are come
It says, it without creative efforts, can be obtain other attached drawings according to these attached drawings.
Fig. 1 is a kind of structure diagram for 3D mapping devices for target that the application first embodiment provides；
Fig. 2 is a kind of dot pattern that the application second embodiment provides；
Fig. 3 is another dot pattern that the application 3rd embodiment provides；
Fig. 4 is a kind of structural schematic diagram for light source projection device that the application fourth embodiment provides；
Fig. 5 is a kind of structural schematic diagram for light source projection device that the 5th embodiment of the application provides；
Fig. 6 is a kind of structure diagram for identity recognition device that the application sixth embodiment provides；
Fig. 7 is the structural schematic diagram for a kind of electronic equipment that the 7th embodiment of the application provides.
Specific implementation mode
To keep the purpose, technical scheme and advantage of the embodiment of the present application clearer, below in conjunction with the embodiment of the present application
In attached drawing, technical solutions in the embodiments of the present application is clearly and completely described, it is clear that described embodiment is
Some embodiments of the present application, instead of all the embodiments.Based on the embodiment in the application, those of ordinary skill in the art
The every other embodiment obtained without making creative work, shall fall in the protection scope of this application.It needs
Illustrate, in the absence of conflict, the features in the embodiments and the embodiments of the present application mutually can be combined arbitrarily.
Following disclosure provides many different embodiments or example is used for realizing the different structure of the application.In order to
Simplify disclosure herein, hereinafter to the component of specific examples and being set for describing.Certainly, they are merely examples, and
And purpose does not lie in limitation the application.In addition, the application can in different examples repeat reference numerals and/or reference letter,
This repetition is for purposes of simplicity and clarity, itself not indicate between discussed various embodiments and/or setting
Relationship.
Further, described feature, structure can be incorporated in one or more embodiment party in any suitable manner
In formula.In the following description, many details are provided to fully understand presently filed embodiment to provide.So
And one of ordinary skill in the art would recognize that, without one or more in the specific detail, or using other structures,
Constituent element etc. can also put into practice the technical solution of the application.In other cases, it is not shown in detail or describes known features or behaviour
Make to avoid fuzzy the application.
The method that the 3D for target that the application implements to be related to maps is described in detail below in conjunction with the accompanying drawings.
Fig. 1 is referred to, Fig. 1 is a kind of 3D mapping devices 100 for target provided by the embodiments of the present application.This is used for mesh
Target 3D mapping devices 100 include：
Light source projection device 101, for projecting dot pattern to target, wherein dot pattern is arranged in grid；
Image sensing device 103, the image for capturing the dot pattern in target；With
Processor 105, the image of the dot pattern for handling capture, to export the 3D figures of target.
Wherein, the dot pattern that light source projection device 101 projects is, for example, infrared structure light.
Correspondingly, image sensing device 103 is, for example, infrared image sensing device.
The image that the processing of processor 105 is generated according to image sensing device 103, to export the 3D figures of target.The wherein 3D
Figure refers to the 3D coordinate sets of target surface in this application.
In one example, processor 105 according to the image that image sensing device 103 generates can obtain transverse and longitudinal coordinate and
Strength information further calculates the depth information obtained on object according to strength information, to combine transverse and longitudinal coordinate, obtains mesh
Target 3D figures.
The processor 105 may include general-purpose computer processor, which executes software to realize corresponding function.
The software can store processor 105 by way of download, or by may be stored on the computer-readable medium, then by
Reason device 105 reads and executes.
When specific operation, hot spot, grid are for example preferably square on the only each side of each grid.Dot pattern it is every
The each edge of a grid can at least there are three hot spots.As shown in Fig. 2, there are three light for each edge of each grid of dot pattern
Spot.It may be arranged as four hot spots according to actual needs.Alternatively, as shown in figure 3, each edge of each grid of dot pattern
There are five hot spots.Certainly, the number of spots in each edge of each grid and size can also be arranged according to actual needs.
Specifically, the length of each edge of each grid of lattice is, for example, 7mm；The diameter of hot spot is, for example, 1mm；
Or/also, light source projection device 101 project dot matrix image range be, for example, 40cm.It is understood that above-mentioned each seed ginseng
Several settings by way of example only, should not do limited understanding.
It is to be understood that light source projection device 101, image sensing device 103 and processor 105 can be integrally disposed,
Discrete it can also be arranged.
The present embodiment is by the projection of light source projection device 101 in the dot pattern of grid arrangement, i.e., the dot pattern is every
A grid has hot spot on only each side, which projects in target, and the point in target is obtained by image sensing device 103
The image of system of battle formations case, and then the image of the dot pattern by the processing capture of processor 105, to export the 3D figures of target.
Since the dot pattern of 3D mapping devices 400 the be projected to target of the application is arranged in grid, only grid
It is provided with hot spot on each side, therefore, luminous point negligible amounts of projection, but the sensings of the 3D based on the dot pattern, both same energy
To judging required precision when enough meeting 3D mappings and later stage identification, and can be realized by optical system, therefore, the use of the application
The calculation amount of 3D mappings is advantageously reduced in the 3D mapping devices 400 of target, to advantageously reduce the cost of 3D mappings.
Fig. 4 is referred to, Fig. 4 is the structural schematic diagram of an embodiment of light source projection device 101 provided by the present application.It should
Light source projection device 101 includes light source 201, patterned member 203 and optical element 205.The patterned member 203 is arranged in light source
201 direction of illumination.It is provided with predetermined pattern on the patterned member 203.The illumination in light source 201 is arranged in the optical element 205
Direction.The patterned member 203 is arranged between the light source 201 and the optical element 205.The optical element 205 is transmitted from light source
201 send out and the light after patterned member 203.The optical element 205 be used for play diffusion light beam and far field imaging
Effect.
It should be noted that as long as light source 201 forms area source, concrete kind in certain distance (pre-determined distance)
Type is unlimited.Further, light source 201 can be array light source or backlight.Specifically, backlight is, for example, LCD (liquid crystals
Show device, Liquid Crystal Display) light source.Array light source is, for example, VCSEL light source.
Further, patterned member 203 includes the glass substrate for being provided with predetermined pattern.Specifically, glass substrate is for example
For the glass substrate for making LCD.Predetermined pattern can be metal material, that is to say, that can use metal on the glass substrate
Making the predetermined pattern, naturally it is also possible to make with other methods, limited understanding should not be done.The shape of the predetermined pattern
Shape can be modified setting according to actual needs, to complete the projection of different type pattern.In the present embodiment, this is default
Pattern is dot pattern, and is arranged in grid type.
Specifically, optical element 14 is, for example, lens or lens group.
The operation principle of the present embodiment pattern projecting device 101 is summarized as follows：Light source 201 sends out light beam, in direction of illumination
On be provided with the patterned member 203 of predetermined pattern, after the light that light source 201 is sent out is by patterned member 203, the light belt that transmits
There are the information of the predetermined pattern, then the transmission of the optical element 205 by being arranged on the direction of illumination, thus completes entire projection
Process.
Since the design of the assembled scheme of patterned member 203 and optical element 205 is easy, and cost is relatively low, therefore this Shen
Light source projection device 101 please compares existing pattern projecting device, can reduce and design and produce cost.
Referring to Fig. 5, Fig. 5 is the structural schematic diagram of another embodiment of light source projection device 101 provided by the present application.
In the present embodiment, which further comprises collimating element 207, which is arranged in the light
Between source 201 and the patterned member 203, the light beam for the light source 201 to be emitted is calibrated, and forms collimated light beam；This is flat
Row light beam is modulated into patterned structure light after entering the patterned member 203.
So, ground is changed, in other embodiments, the light source projection device 101 or other suitable devices, and
It is not limited to described in embodiment of above.
The implementation in addition, descriptions above can combine individually or in various ways, and these variants
All within the protection domain of the application.
Referring to Fig. 6, Fig. 6 is the structure diagram of identity recognition device provided by the embodiments of the present application.The identification fills
It includes identification module 401 and the 3D mapping devices 100 for target to set 400.The identification module 401 is used for according to the device 400
Derived from target 3D figure carry out identification.
Specifically, identification module 401 for example to the device 400 derived from the 3D of target scheme to compare with the 3D figures to prestore
To matching, if successful match, confirm that the identity of the target is legal, identification authentication success, otherwise, identification authentication failure.
The 3D to prestore is for example stored in a memory.
Since the identity recognition device 400 has the corresponding technology of the method and device 400 of the 3D mappings for target
Feature and technique effect, details are not described herein.
Referring to Fig. 7, Fig. 6 is the structural schematic diagram of electronic equipment provided by the embodiments of the present application.The electronic equipment 500 wraps
Include identity recognition device 400.
Whether the electronic equipment 500 executes accordingly according to the identification result of identity recognition device 400 to correspond to
Function.Corresponding function is such as, but not limited to include any one in unlock, payment, the application program that prestores of startup
Or it is several.
The electronic equipment 500 is such as, but not limited to consumer electrical product, household formula electronic product, vehicular electronics
The electronic product of the suitable types such as product, financial terminal product.Wherein, consumer electrical product for example but be not limited to mobile phone,
Tablet computer, laptop, tabletop display, computer all-in-one machine etc..Household formula electronic product for example but is not limited to intelligence
Door lock, TV, refrigerator, Wearable etc..Vehicular electronic product such as but being not limited to automatic navigator, vehicle-carrying DVD.
Financial terminal product such as but being not limited to ATM machine, the terminal of self-service transacting business.
In the present embodiment, it is illustrated so that electronic equipment 500 is mobile phone as an example.What the mobile phone for example, shielded comprehensively
Mobile phone, the identity recognition device 400 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 400.After the identity recognition device 400 is waken up, identify that the user in front of the mobile phone is
When legal user, then lock screen is solved.
Certainly, ground is changed, the 3D that the identity recognition device 400 in the electronic equipment 500 can also replace with target reflects
Injection device 100.
Compared with prior art, due to the 3D mapping devices 100 for target of the application, 3D mappings are advantageously reduced
Calculation amount, to advantageously reduce 3D mapping cost, therefore, identity recognition device 400, the electronic equipment 500 of the application
Cost it is relatively low.
In the description of this specification, reference term " embodiment ", " certain embodiments ", " schematically implementation
What the description of mode ", " example ", " specific example " or " some examples " etc. meant to describe in conjunction with the embodiment or example
Particular features, structures, materials, or characteristics are contained at least one embodiment or example of the application.In this specification
In, schematic expression of the above terms are not necessarily referring to identical embodiment or example.Moreover, the specific spy of description
Sign, structure, material or feature can be combined in any suitable manner in any one or more embodiments or example.
Descriptions above can combine implementation individually or in various ways, and these variants all exist
Within the protection domain of the application.
Finally it should be noted that：Above example is only to illustrate the technical solution of the application, rather than its limitations.Although
The application is described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that：It still may be used
With technical scheme described in the above embodiments is modified or equivalent replacement of some of the technical features；
And these modifications or replacements, each embodiment technical solution of the application that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (21)
1. a kind of light source projection device, which is characterized in that including：
Light source；
Patterned member is arranged the light direction in the light source, dot pattern is provided on the patterned member, wherein the point
System of battle formations case is arranged in grid；With
The light direction in the light source is arranged in optical element, is sent out from the light source and by the drafting department for transmiting
Light after part.
2. light source projection device as described in claim 1, which is characterized in that have hot spot on each only each side of grid.
3. light source projection device as described in claim 1, which is characterized in that the grid is square.
4. light source projection device as claimed in claim 3, which is characterized in that each edge of each grid of the dot pattern
At least there are three hot spots.
5. light source projection device as claimed in claim 4, which is characterized in that each edge of each grid of the dot pattern
There are three, four or five hot spots.
6. the light source projection device as described in any one of claim 1-5, which is characterized in that each of described dot pattern
The length of each edge of grid is 7mm.
7. the light source projection device as described in any one of claim 1-5, which is characterized in that the hot spot it is a diameter of
1mm。
8. the light source projection device as described in any one of claim 1-5, which is characterized in that the light source projection device is thrown
The range for penetrating dot matrix image is 40cm.
9. light source projection device as described in claim 1, which is characterized in that the dot pattern is used for the light from the light source
Beam is modulated, and generates structure light.
10. light source projection device as described in claim 1, which is characterized in that the light source is array light source or backlight.
11. light source projection device as claimed in claim 10, which is characterized in that the backlight is LCD light source.
12. light source projection device as claimed in claim 10, which is characterized in that the array light source is VCSEL light source.
13. light source projection device as described in claim 1, which is characterized in that the patterned member includes being provided with carrying institute
State the glass substrate of dot pattern.
14. light source projection device as described in claim 1, which is characterized in that the dot pattern is metal material.
15. light source projection device as described in claim 1, which is characterized in that the optical element is lens or lens group.
16. light source projection device as described in claim 1, which is characterized in that the optical element is for playing diffusion light beam
With the effect of far field imaging.
17. light source projection device as described in claim 1, which is characterized in that set between the light source and the pattern elements
It is equipped with collimating element.
18. a kind of 3D mapping devices for target, including：
Light source projection device described in any one of the claims 1-17, for projecting dot pattern to target, wherein
The dot pattern is arranged in grid；
Image sensing device, the image for capturing the dot pattern in the target；With
Processor, the image of the dot pattern for handling capture, to export the 3D figures of the target.
19. a kind of identity recognition device, which is characterized in that map dress including the 3D described in identification module and the claims 18
It sets；The identification module be used for according to the 3D mapping devices institute derived from target 3D figure progress identification.
20. identity recognition device as claimed in claim 19, which is characterized in that the identity recognition device includes face recognition dress
It sets.
21. light source projection device described in any one of a kind of electronic equipment, including the claims 1-17 or including
Described in the claims 18 for target 3D map device or including the body described in the claims 19 or 20
Part identification device.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2018/086151 WO2019213864A1 (en) | 2018-05-09 | 2018-05-09 | Three-dimensional target mapping apparatus, personal identification apparatus and electronic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108780502A true CN108780502A (en) | 2018-11-09 |
Family
ID=64029141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201880000783.XA Pending CN108780502A (en) | 2018-05-09 | 2018-05-09 | Three-dimensional mapping device, identity recognition device and electronic equipment for target |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN108780502A (en) |
| WO (1) | WO2019213864A1 (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103913126A (en) * | 2014-04-18 | 2014-07-09 | 中国人民解放军国防科学技术大学 | Optical alignment measuring method for arc-second-grade three-dimensional deformation |
| US20160218287A1 (en) * | 2015-01-23 | 2016-07-28 | The Trustees Of Princeton University | 3d printed active electronic materials and devices |
| CN107423716A (en) * | 2017-07-31 | 2017-12-01 | 广东欧珀移动通信有限公司 | Face method for monitoring state and device |
| CN208781238U (en) * | 2018-05-09 | 2019-04-23 | 深圳阜时科技有限公司 | Light source projection device, 3D mapping device, identity recognition device and electronic equipment for target |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8279418B2 (en) * | 2010-03-17 | 2012-10-02 | Microsoft Corporation | Raster scanning for depth detection |
| US9671277B2 (en) * | 2015-01-22 | 2017-06-06 | Jaswinder Singh Sandhu | Light imaging system for an acoustic imaging system |
| CN107884066A (en) * | 2017-09-29 | 2018-04-06 | 深圳奥比中光科技有限公司 | Optical sensor and its 3D imaging devices based on flood lighting function |
-
2018
- 2018-05-09 WO PCT/CN2018/086151 patent/WO2019213864A1/en active Application Filing
- 2018-05-09 CN CN201880000783.XA patent/CN108780502A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103913126A (en) * | 2014-04-18 | 2014-07-09 | 中国人民解放军国防科学技术大学 | Optical alignment measuring method for arc-second-grade three-dimensional deformation |
| US20160218287A1 (en) * | 2015-01-23 | 2016-07-28 | The Trustees Of Princeton University | 3d printed active electronic materials and devices |
| CN107423716A (en) * | 2017-07-31 | 2017-12-01 | 广东欧珀移动通信有限公司 | Face method for monitoring state and device |
| CN208781238U (en) * | 2018-05-09 | 2019-04-23 | 深圳阜时科技有限公司 | Light source projection device, 3D mapping device, identity recognition device and electronic equipment for target |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019213864A1 (en) | 2019-11-14 |
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