CN208780917U - A kind of light source module group, depth measurement device, 3D imaging device, identity recognition device and electronic equipment - Google Patents
A kind of light source module group, depth measurement device, 3D imaging device, identity recognition device and electronic equipment Download PDFInfo
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- CN208780917U CN208780917U CN201820952567.2U CN201820952567U CN208780917U CN 208780917 U CN208780917 U CN 208780917U CN 201820952567 U CN201820952567 U CN 201820952567U CN 208780917 U CN208780917 U CN 208780917U
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- light source
- hot spot
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- optical transmitting
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Abstract
The utility model is suitable for field of photoelectric technology, provides a kind of light source module group, has figuratum structure light for emitting.The pattern of the structure light includes the first hot spot and multiple second hot spots of multiple random distributions.The shape of second hot spot and first hot spot is different or second hot spot is identical as the shape of first hot spot, but area is different.The utility model also provides a kind of depth measurement device, 3D imaging device, identity recognition device and electronic equipment.The utility model can effectively reduce operand, improve working efficiency.
Description
Technical field
The utility model belongs to field of photoelectric technology more particularly to a kind of light source module group, depth measurement device, 3D imaging
Device, identity recognition device and electronic equipment.
Background technique
" structure light (structure light) " refers to the light with specific modality, is designed to striped form, face
Form, grid form, the pattern of even more complicated form.With flourishing for optical technology, the application range of structure light is got over
Come more extensive, such as depth measurement, identification, projector, 3D imaging, range measurement, anti-counterfeiting identification etc..
When structure light is used for the depth measurement of object, need the figuratum structure of tool caused by light source module group
Light projection obtains the image for the structure light that object is reflected on object；A local mesh is extracted in the image of structure light
Region is marked, is then found in a reference picture and the matched local-reference region of localized target region institute；Finally by local mesh
Mark region is handled with local-reference region, to obtain the depth information of object.Due in the pattern of present structure light
Only with the hot spot of same shape, therefore during localized target region and local-reference region are carried out matched, only
It can be compared by the spread pattern and density of hot spot, operand is very big, causes working efficiency low.
Summary of the invention
The technical problem to be solved by the utility model is to provide a kind of light source module group, depth measurement device, 3D imagings
Device, identity recognition device and electronic equipment, it is intended to operand can be effectively reduced, improve working efficiency.
The utility model is realized in this way a kind of light source module group, has figuratum structure light for emitting.The structure
The pattern of light includes the first hot spot of multiple random distributions.The pattern of the structure light further includes multiple
The utility model additionally provides a kind of depth measurement device comprising image sensing mould group, processor and above-mentioned
Light source module group.The image sensing mould group is used to obtain the image of the structure light reflected by the object.Processor memory storage
There is a reference picture, for extracting a localized target region in the image of the structure light, and by the localized target area
Domain is compared with the reference picture, according to multiple first hot spot and multiple second hot spot in the localized target region
Quantity and relative positional relationship, to find the local-reference region to match in the reference picture with the localized target region；So
The localized target region and the local-reference region are handled afterwards, to obtain the depth information of the object.
The utility model additionally provides a kind of 3D imaging device comprising image obtaining module and above-mentioned light source module group.
The image obtaining module is used to obtain the image of the structure light reflected by the object.
The utility model additionally provides a kind of identity recognition device comprising identification mould group and above-mentioned 3D imaging device.
Image of the identification mould group for the structure light according to acquired in the 3D imaging device carries out identification.
The utility model additionally provides a kind of electronic equipment, including above-mentioned identity recognition device.The electronic equipment is used
In corresponding to whether execute corresponding function according to the recognition result of the identity recognition device.
Compared with prior art, beneficial effect is the utility model: can effectively reduce operand, improve work effect
Rate.
Detailed description of the invention
Fig. 1 is the schematic diagram of the pattern of the structure light for the light source module group transmitting that the utility model first embodiment provides.
Fig. 2 is the structural schematic diagram of the first embodiment of the light source module group of Fig. 1.
Fig. 3 is the structural schematic diagram of the second embodiment of the light source module group of Fig. 1.
Fig. 4 is the functional block diagram for the depth measurement device that the utility model second embodiment provides.
Fig. 5 is the functional block diagram for the 3D imaging device that the utility model 3rd embodiment provides.
Fig. 6 is the functional block diagram for the identity recognition device that the utility model fourth embodiment provides.
Fig. 7 is the functional block diagram for the electronic equipment that the 5th embodiment of the utility model provides.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
Following disclosure provides many different embodiments or example is used to realize the different structure of the utility model.
In order to simplify the disclosure of the utility model, hereinafter to the component of specific examples and being set for describing.Certainly, they are only
Example, and purpose does not lie in limitation the utility model.In addition, the utility model can in different examples repeat reference numerals
And/or reference letter, this repetition are for purposes of simplicity and clarity, itself not indicate discussed various embodiments
And/or the relationship between setting.
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 provide and fully understand to the embodiments of the present invention.
However, one of ordinary skill in the art would recognize that, without one or more in the specific detail, or using other knots
Structure, constituent element etc. can also practice the technical solution of the utility model.In other cases, it is not shown in detail or describes known knot
Structure or operation are to avoid fuzzy the utility model.
Also referring to Fig. 1 and Fig. 2, a kind of light source module group 100 provided by the utility model first embodiment, for sending out
Penetrate the figuratum structure light of tool.The pattern of the structure light includes the first hot spot 101 and multiple second hot spots of multiple random distributions
102。
In the present embodiment, second hot spot 101 is different from the shape of first hot spot 102.Such as first hot spot 101
For round point shape, which is the shape of cruciformity, square shape, triangle, Five-pointed star or the non-dot such as band-like
Shape.
In other embodiments, which can also be identical with the shape of first hot spot 101, but area is different.
For example first hot spot 101 and second hot spot 102 are round point shape, but radius is different.
As shown in Fig. 2, the light source module group 100 includes multiple first optical transmitting sets 11, multiple second optical transmitting sets 12 and one
Beam former 20.
In the present embodiment, the light that multiple first optical transmitting set 11 is emitted is modulated by the Beam former 20
After be incident upon on an object 100a, to form multiple first hot spot 101.What multiple second optical transmitting set 12 was emitted
Light is incident upon on object 100a after the Beam former 20 modulation, to form multiple second hot spot 102.
In other embodiments, the light that multiple first optical transmitting set 11 is emitted is adjusted by the Beam former 20
It is incident upon after system on object 100a, to form multiple first hot spot 101.Multiple second optical transmitting set 12 is emitted
Light be directly incident upon on object 100a without the Beam former 20, to form multiple second hot spot
102。
First optical transmitting set 11 and second optical transmitting set 12 can be same type of optical transmitting set.Second light hair
Emitter 12 is obtained and a patterned mask is arranged in front of the light-emitting surface in first optical transmitting set 11.In the present embodiment,
First optical transmitting set 11 and second optical transmitting set 12 are laser emitter, such as vertical cavity surface-emitting laser
(Vertical Cavity Surface Emitting Laser, VCSEL).
Certainly, in other embodiments, the shape of second hot spot 102 can also be different, i.e., with multiple and different shapes
Second hot spot just needs in addition setting and optical transmitting set corresponding to the second hot spot of different shapes at this time.
Referring to Fig. 3, Fig. 3 is the structural schematic diagram of the another embodiment of the light source module group of the utility model.The light source
Mould group 150 includes the first sub-light source mould group 151 and the second sub-light source mould group 153.Optionally, 151 He of the first sub-light source mould group
The second sub-light source mould group 153 is two independent light source assemblies, is respectively used to generate structure light.Wherein, first sub-light source
Mould group 151 is used to generate structure light by diffraction mode.153 groups of the second sub-light source mould for generating structure by projection pattern
Light.
Specifically, for example, the first sub-light source mould group 151 includes the first optical transmitting set 13 and diffraction element 17.The diffraction
Element 17 is, for example, DOE element.The second sub-light source mould group 153 includes the second optical transmitting set 14 and patterned mask element 18.Work
When making, the light beam of first optical transmitting set 13 transmitting is in patterned first hot spot 101 by being formed after the diffraction element 17.
The light beam of second optical transmitting set 14 transmitting is by forming patterned second hot spot 102 after the patterned mask element 18.Its
In, first optical transmitting set 13 and second optical transmitting set 14 are, for example, mutually independent light source.
As shown in figure 4, a kind of depth measurement device 200 provided by the utility model second embodiment comprising above-mentioned
Light source module group 100, image sensing mould group 210 and processor 220.
The light source module group 100 has figuratum structure light for emitting.
The image sensing mould group 210 is used to obtain the image of the structure light reflected by the object.
A reference picture is stored in the processor 220.The reference picture is the light when the object is a flat surface
After source mould group 100 projects the structure light to the object, reflected acquired in the image sensing mould group 210 by the object
The image of structure light.
The processor 220 in the image of the structure light for extracting a localized target region, and by the part mesh
Mark region is compared with the reference picture, according to multiple first hot spot and multiple second light in the localized target region
The quantity and relative positional relationship of spot, to find the local-reference area to match in the reference picture with the localized target region
Domain；Then the localized target region and the local-reference region are handled, to obtain the depth information of the object.
It is appreciated that since the utility model increases the second hot spot 102 in first hot spot 101, so that in the office
Portion target area and the local-reference region carry out it is matched during increase a dimension information (i.e. with second light
The relevant information of spot 102), such as quantity, density and the arrangement mode of second hot spot 102；There are also second hot spot 102 and it is somebody's turn to do
Relative positional relationship etc. between first hot spot 101.Matched mistake is carried out in the localized target region and the local-reference region
Journey, for example the quantity of the second hot spot in the localized target region can be first counted, then the second hot spot in the reference picture
Quantity can directly be excluded with the unmatched region in localized target region, therefore operand can be greatly decreased, improve work
Efficiency.
As shown in figure 5, a kind of 3D imaging device 300 provided by the utility model 3rd embodiment comprising above-mentioned
Light source module group 100, image obtaining module 310 and 3D rendering generate mould group 320.
The light source module group 100 has figuratum structure light for emitting.
The image obtaining module 310 is used to obtain the image of the structure light reflected by the object.
The 3D rendering generates mould group 320 and is used to export the object according to the image that the image obtaining module 310 obtains
3D figure.
As shown in fig. 6, a kind of identity recognition device 400 provided by the utility model fourth embodiment comprising identification
Mould group 410 and above-mentioned 3D imaging device 300.
3D rendering of the identification mould group 410 for the object according to acquired in the 3D imaging device 300 carries out identity
Identification.
The identity recognition device 400 is, for example, face authentification device.So, which can also be used for identifying
Other proper sites of human body, or even other organisms or inorganic matter for identification.
Further, as shown in fig. 7, the utility model fourth embodiment provides a kind of electronic equipment 500, such as but not
It is confined to as suitable types such as consumer electrical product, household formula electronic product, vehicular electronic product, financial terminal products
Electronic product.Wherein, consumer electrical product for example but is not limited to mobile phone, tablet computer, laptop, desktop and shows
Device, computer all-in-one machine etc..Household formula electronic product for example but is not limited to intelligent door lock, TV, refrigerator, wearable device etc..
Vehicular electronic product for example but is not limited to automatic navigator, vehicle-carrying DVD etc..Financial terminal product for example but is not limited to
ATM machine, terminal of self-service transacting business etc..The electronic equipment 500 includes above-mentioned identity recognition device 400.The electronics is set
Whether standby 500 execute corresponding function according to the identification result of the identity recognition device 400 to correspond to.It is corresponding
Function is such as, but not limited to include unlock, payment, any one or a few in the application program that prestores of starting.
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
The positive top of mobile phone is for example arranged in mobile phone, the identity recognition device 400.Certainly, the mobile phone is also not restricted to entirely
Face mobile phone.
For example, the screen for lifting mobile phone or touch mobile phone can act as wake-up when user needs to boot up unlock
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.
Compared with prior art, the light source module group of the utility model, depth measurement device, 3D imaging device, identity are known
Other device and electronic equipment, by increasing by the second hot spot among multiple first hot spot, so that should be in the localized target region
With the local-reference region carry out it is matched during, by comparing relevant to second hot spot information, can quickly exclude
Working efficiency is improved so that operand be greatly decreased with the unmatched region in localized target region in the reference picture.
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 utility model.In this explanation
In book, 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.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (15)
1. a kind of light source module group has figuratum structure light for emitting, the pattern of the structure light includes multiple random distributions
First hot spot, which is characterized in that the pattern of the structure light further includes multiple second hot spots, second hot spot and first hot spot
Shape is different or second hot spot is identical as the shape of first hot spot, but area is different.
2. light source module group as described in claim 1, which is characterized in that the shape of second hot spot be round point shape, cruciformity,
Square shape, triangle, Five-pointed star or band-like.
3. light source module group as described in claim 1, which is characterized in that the light source module group includes multiple first optical transmitting sets, more
A second optical transmitting set and a Beam former；The light that multiple first optical transmitting set is emitted passes through the Beam former tune
It is incident upon after system on an object, to form multiple first hot spot；The light warp that multiple second optical transmitting set is emitted
It is incident upon on the object after crossing Beam former modulation, to form multiple second hot spot.
4. light source module group as described in claim 1, which is characterized in that the light source module group includes multiple first optical transmitting sets, more
A second optical transmitting set and a Beam former；The light that multiple first optical transmitting set is emitted passes through the Beam former tune
It is incident upon after system on an object, to form multiple first hot spot；The light that multiple second optical transmitting set is emitted is not
It is directly incident upon on the object by the Beam former, to form multiple second hot spot.
5. light source module group as described in claim 3 or 4, which is characterized in that first optical transmitting set and second optical transmitting set
For same type of optical transmitting set, which is by the way that a figure is arranged in front of the light-emitting surface of first optical transmitting set
Case exposure mask and obtain.
6. light source module group as described in claim 1, which is characterized in that the light source module group includes the first sub-light source mould group and second
Sub-light source mould group, wherein the first sub-light source mould group generates structure light by way of diffraction, which passes through
The mode of projection generates structure light.
7. light source module group as claimed in claim 6, which is characterized in that the first sub-light source mould group include the first optical transmitting set and
Diffraction element, the light beam of first optical transmitting set transmitting is by forming the first hot spot after the diffraction element；The second sub-light source mould
Group includes the second optical transmitting set and patterned mask element, and the light beam of second optical transmitting set transmitting passes through after the patterned mask element
Form the second hot spot.
8. a kind of depth measurement device comprising image sensing mould group and processor, which is characterized in that the depth measurement device is also
Including such as above-mentioned light source module group of any of claims 1-7；The image sensing mould group is for obtaining by the object
The image of the structure light reflected；The processor memory contains a reference picture, for extracting in the image of the structure light
A localized target region out, and the localized target region is compared with the reference picture, according to the localized target region
The quantity and relative positional relationship of interior multiple first hot spot and multiple second hot spot, to find in the reference picture and be somebody's turn to do
The local-reference region that localized target region matches；Then to the localized target region at the local-reference region
Reason, to obtain the depth information of the object.
9. depth measurement device as claimed in claim 8, which is characterized in that the reference picture is when the object is a flat surface
When, after which projects the structure light to the object, reflected acquired in the image sensing mould group by the object
Structure light image.
10. a kind of 3D imaging device, which is characterized in that it includes any in image obtaining module and such as the claims 1-7
Light source module group described in, the image obtaining module are used to obtain the image of the structure light reflected by the object.
11. 3D imaging device as claimed in claim 10, which is characterized in that the 3D imaging device further includes processor, at this
Image of the device for light according to this structure is managed, the 3D rendering of the object is exported.
12. a kind of identity recognition device, which is characterized in that it includes identifying mould group and such as any one of claim 10-11 institute
The 3D imaging device stated, image of the identification mould group for the structure light according to acquired in the 3D imaging device carry out identity knowledge
Not.
13. identity recognition device as claimed in claim 12, which is characterized in that the identity recognition device includes face recognition dress
It sets.
14. a kind of electronic equipment, which is characterized in that it includes the identification as described in any one of claim 12-13
Device, the electronic equipment is for corresponding to whether execute corresponding function according to the recognition result of the identity recognition device.
15. electronic equipment as claimed in claim 14, it is characterised in that: corresponding function includes unlock, payment, starting
Any one or a few in the application program prestored.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820952567.2U CN208780917U (en) | 2018-06-20 | 2018-06-20 | A kind of light source module group, depth measurement device, 3D imaging device, identity recognition device and electronic equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820952567.2U CN208780917U (en) | 2018-06-20 | 2018-06-20 | A kind of light source module group, depth measurement device, 3D imaging device, identity recognition device and electronic equipment |
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| CN208780917U true CN208780917U (en) | 2019-04-23 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108710215A (en) * | 2018-06-20 | 2018-10-26 | 深圳阜时科技有限公司 | A kind of light source module group, 3D imaging devices, identity recognition device and electronic equipment |
| CN111882596A (en) * | 2020-03-27 | 2020-11-03 | 浙江水晶光电科技股份有限公司 | Structured light module three-dimensional imaging method and device, electronic equipment and storage medium |
-
2018
- 2018-06-20 CN CN201820952567.2U patent/CN208780917U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108710215A (en) * | 2018-06-20 | 2018-10-26 | 深圳阜时科技有限公司 | A kind of light source module group, 3D imaging devices, identity recognition device and electronic equipment |
| CN111882596A (en) * | 2020-03-27 | 2020-11-03 | 浙江水晶光电科技股份有限公司 | Structured light module three-dimensional imaging method and device, electronic equipment and storage medium |
| CN111882596B (en) * | 2020-03-27 | 2024-03-22 | 东莞埃科思科技有限公司 | Three-dimensional imaging method and device for structured light module, electronic equipment and storage medium |
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