CN208172395U - Pattern projecting device, image acquiring device, identity recognition device and electronic equipment - Google Patents
Pattern projecting device, image acquiring device, identity recognition device and electronic equipment Download PDFInfo
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- CN208172395U CN208172395U CN201820688173.0U CN201820688173U CN208172395U CN 208172395 U CN208172395 U CN 208172395U CN 201820688173 U CN201820688173 U CN 201820688173U CN 208172395 U CN208172395 U CN 208172395U
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Abstract
The utility model discloses a kind of pattern projecting devices comprising：Light source；Patterned member is arranged in the direction of illumination of the light source, is provided with predetermined pattern on the patterned member, which generates structure light for being modulated to the light beam from the light source；The direction of illumination of the light source is arranged in optical element, for transmiting the light issued from the light source and after the patterned member.The utility model also provides a kind of image acquiring device, identity recognition device and electronic equipment.Compared to existing pattern projecting device, the pattern projecting device of the utility model designs simple, lower production costs.
Description
Technical field
The utility model relates to the senser element field of electronic equipment, in particular to a kind of pattern projecting device, image obtain
Take device, identity recognition device and electronic equipment.
Background technique
Carry out specific objective from that can recognize that as human eye in image, such as：Desk, automobile and face etc. are sections
The target of skill effort always.Images steganalysis is the major issue of a research of artificial intelligence field, is solving to automate
Production and detection, production and living the very corn of a subject method such as intelligent image analysis and retrieval.At this stage, target identification is identification letter
The a key technology for ceasing processing, is widely used in the systems such as recognition of face, human-computer interaction, Intelligent Human-Machine Interface.
Image recognition generally all by pattern projection to identification object, is believed further according to the image with figuratum identification object
Breath carries out the identification of specific features.The wherein structured light device that image projection apparatus is sensed mainly as 3D, by structure light
The surface of target is projected, the sensor of receiving end acquires the reflected pattern of target surface, utilizes collected X-Y scheme
Profile information as calculating target surface by algorithm.Existing figuratum grenade instrumentation has various ways of realization, such as such as Fig. 1
It is shown, using vertical cavity surface emitting laser (Vertical Cavity Surface Emitting Laser, abbreviation VCSEL)
It is realized in conjunction with diffraction optical element (Diffractive Optical Elements, abbreviation DOE).Specifically such as
CN102129152B, the depth that it discloses a kind of for providing the depth image of capture region capture equipment, including：With use
The projector of the VCSEL array of the light source of the capture region is illuminated in offer；For receiving one from the capture region
The imaging device for the light that a or multiple object reflections are returned, the imaging device includes at least one 3D camera and at least one
RGB camera；For by light processing received by the imaging device at one or more objects in the capture region
3D rendering processor；And for by light processing received by the imaging device at one in the capture region
Or the processor of the RGB image of multiple objects.
However, the design of above-mentioned pattern projecting device is complicated, the production cost is very high, be unfavorable for by mobile phone it is this kind of to price very
The large-scale use of sensitive consumer electronics.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of pattern projecting device, image acquiring device, bodies
Part identification device and electronic equipment, it is intended to can be effectively reduced design and producing cost.
Specifically, on the one hand, the utility model provides a kind of pattern projecting device, including：Light source；Patterned member, if
The direction of illumination in the light source is set, is provided with predetermined pattern on the patterned member, which is used for from the light
The light beam in source is modulated, and generates structure light；The direction of illumination of the light source is arranged in optical element, for transmiting from described
Light source issues and the light after the patterned member.
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 the glass substrate for being provided with the predetermined pattern.
In some embodiments, the predetermined pattern is metal material.
In some embodiments, the glass substrate is the glass substrate for making LCD.
In some embodiments, the predetermined pattern includes latticed, striated, any one figure in lattice-like
Case.
In some embodiments, the optical element is lens or lens group.
In some embodiments, collimating element is provided between the light source and the pattern elements.
Various embodiments of the utility model is with the patterned member by being provided with predetermined pattern on the direction of illumination of light source, light
The light that source issues is by the way that after patterned member, the light belt transmitted has the information of the predetermined pattern, then by being arranged in the illumination
Optical element transmission on direction, thus completes image projection, optical element can be to the light of light source with the patterned member
It is projected, which can be modified setting according to actual needs, to complete the projection of different type pattern, due to
The design of the assembled scheme of patterned member and optical element is easy, and cost is relatively low, therefore the utility model is respectively implemented compared to existing
There is pattern projecting device, can reduce and design and produce cost.
The utility model also provides a kind of image acquiring device comprising sensing mould group and among the above described in any item figures
Case grenade instrumentation, the pattern projecting device are used to emit patterned structure light, and will be on the project structured light a to object；
The sensing mould group is used to obtain the image of the structure light reflected by the object.
In some embodiments, which further comprises processor, for being obtained according to the sensing mould group
The image taken exports the 3D figure of the object.
Since the image acquiring device includes the pattern projecting device, cost is relatively low for the image acquiring device.
The utility model also provides a kind of identity recognition device comprising sensing mould group, identification mould group and any among the above
Pattern projecting device described in, the pattern projecting device are used to emit patterned structure light, and extremely by the project structured light
One object under test；The sensing mould group is used to obtain the image of the structure light reflected by the object under test；The identification mould group is used for
Identification is carried out according to image acquired in the sensing mould group.
In some embodiments, which includes face authentification device.
Since the identity recognition device includes the pattern projecting device, cost is relatively low for the identity recognition device.
The utility model also provides a kind of electronic equipment, including the identity recognition device described in any one of above-mentioned, institute
Electronic equipment is stated for corresponding to whether execute corresponding function according to the recognition result of the identity recognition device.
In some embodiments, corresponding function includes unlock, payment, starts appointing in the application program prestored
Meaning is one or more of.
Since the electronic equipment includes the pattern projecting device, cost is relatively low for the electronic equipment.
It is read with reference to the drawings being described below for exemplary embodiment, other property features of the utility model and excellent
Point will become apparent.
Detailed description of the invention
It is incorporated into specification and the attached drawing for constituting part of specification shows the embodiments of the present invention, and
And together with the description for explaining the principles of the present invention.In the drawings, similar appended drawing reference is for indicating similar
Element.The accompanying drawings in the following description is some embodiments of the utility model, rather than whole embodiments.It is general for this field
For logical technical staff, without creative efforts, other drawings may be obtained according to these drawings without any creative labor.
Fig. 1 is a kind of three-dimensional structure diagram for pattern projecting device that the prior art provides；
Fig. 2 is a kind of three-dimensional structure diagram for pattern projecting device that the utility model first embodiment provides；
Fig. 3 is a kind of three-dimensional structure diagram for pattern projecting device that the utility model second embodiment provides；
Fig. 4 is a kind of structural block diagram for image acquiring device that the utility model 3rd embodiment provides；
Fig. 5 provides a kind of structural block diagram of identity recognition device for the utility model fourth embodiment；
Fig. 6 is the structural schematic diagram for a kind of electronic equipment that the 5th embodiment of the utility model provides.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.It should be noted that in the absence of conflict, the embodiments of the present invention and implementation
Feature in example can mutual any combination.
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.
According to the present invention will be described in detail below with reference to the accompanying drawings implements the pattern projecting device being related to.
A kind of pattern projecting device 100 shown in Figure 2, that the utility model first embodiment provides, including light source 10；
Patterned member 12 is arranged in the direction of illumination of light source 10, is provided with predetermined pattern on patterned member 12, the predetermined pattern for pair
Light beam from the light source is modulated, and generates structure light；Optical element 14, is arranged in the direction of illumination of light source 10, and with
The distance between light source 10 is greater than the distance between patterned member 12, and the transmission of optical element 14 issues from light source 10 and by figure
Light after case component 12.The optical element 14 for example but be not limited to the use of play the role of spread light beam and far field imaging.
It should be noted that as long as light source 10 forms area source, concrete kind at certain distance (pre-determined distance)
Type is unlimited.Further, light source 10 can be array light source or backlight.Specifically, backlight can be LCD (liquid crystal
Show device, Liquid Crystal Display) light source.Array light source can be VCSEL light source.
Further, patterned member 12 includes the glass substrate for being provided with predetermined pattern.Specifically, glass substrate is, for example,
For making the glass substrate of LCD.Predetermined pattern can be metal material, that is to say, that can on the glass substrate with metal come
Make the predetermined pattern, naturally it is also possible to make with other methods, should not do limited understanding.The shape of the predetermined pattern
It can be modified setting, according to actual needs to complete the projection of different type pattern.For example the predetermined pattern can be net
Grid pattern or dot pattern etc..
Specifically, optical element 14 can be lens or lens group.
The working principle of the present embodiment pattern projecting device 100 is summarized as follows：Light source 10 issues light beam, on direction of illumination
It is provided with the patterned member 12 of predetermined pattern, the light that light source 10 issues is by the way that after patterned member 12, the light belt transmitted has this
The information of predetermined pattern, then the optical element 14 by being arranged on the direction of illumination transmit, and thus complete entire projection process.
The present embodiment pattern projecting device 100 on the direction of illumination of light source 10 by being provided with the drafting department of predetermined pattern
Part 12, the light that light source 10 issues is by the way that after patterned member 12, the light belt transmitted has the information of the predetermined pattern, then by setting
The optical element 14 set on the direction of illumination transmits, and thus completes image projection, the optical element with the patterned member 12
14 can project the light of light source 10, which can be modified setting according to actual needs, to complete difference
The projection of type pattern, since the design of the assembled scheme of patterned member 12 and optical element 14 is easy, and cost is relatively low, therefore
The pattern projecting device 100 that the utility model is respectively implemented compares existing pattern projecting device, can reduce and design and produce cost.
Descriptions above can combine implementation individually or in various ways, and these variants all exist
Within the protection scope of the utility model.
Referring to Fig. 3, Fig. 3 is a kind of pattern projecting device 200 that the utility model second embodiment provides, which is thrown
Injection device 200 is roughly the same with the structure of above-mentioned pattern projecting device 100, and the main distinction of the two is：Pattern projection dress
Setting 200 further comprises collimating element 16, which is located in the optical path between the light source 10 and the optical element 14,
Light beam for the light source 10 to be emitted is calibrated, and collimated light beam is formed；The collimated light beam enters quilt after the patterned member 12
It is modulated into patterned structure light.
Referring to Fig. 4, Fig. 4 is a kind of image acquiring device 300 that the utility model 3rd embodiment provides comprising pass
Feel mould group 301 and such as above-mentioned pattern projecting device 100.The pattern projecting device 100 is used to emit patterned structure light, and
It will be on the project structured light a to object.The sensing mould group 301 is used to obtain the figure of the structure light reflected by the object
Picture.
In addition, in certain embodiments, which further comprises processor 303, for according to the biography
The image that sense mould group 301 obtains exports the 3D figure of the object.
Certainly, ground is changed, the pattern projecting device 100 in the image acquiring device 300 can also be to replace with pattern throwing
Injection device 200.
Further, as shown in figure 5, the utility model fourth embodiment provides a kind of identity recognition device 400 comprising
Sense mould group 401, identification mould group 402 and above-mentioned pattern projecting device 100.The pattern projecting device 100 is for emitting pattern
The structure light of change, and by the project structured light a to object under test.The sensing mould group 401 is anti-by object under test institute for obtaining
The image for the structure light penetrated.The identification mould group 402 is used to carry out identification according to the image obtained of sensing mould group 401.
Certainly, ground is changed, the pattern projecting device 100 in the identity recognition device 400 can also be to replace with pattern throwing
Injection device 200.
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.
Referring to Fig. 6, Fig. 6 is a kind of electronic equipment 500 that provides of the 5th embodiment of the utility model, such as but not office
It is limited to for the electricity of the suitable types such as consumer electrical product, household formula electronic product, vehicular electronic product, financial terminal product
Sub- 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 intelligent door lock, TV, refrigerator, wearable device etc..It is vehicle-mounted
Formula electronic product for example but is not limited to automatic navigator, vehicle-carrying DVD etc..Financial terminal product for example but be not limited to ATM machine,
The terminal etc. of self-service transacting business.The electronic equipment 500 includes above-mentioned identity recognition device 400.The electronic equipment 500
Corresponding function whether is executed according to the identification result of the identification authentication device 400 to correspond to.Corresponding function example
As 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 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, since the design of the pattern projecting device of the utility model 100 is simple, cost is relatively low,
Therefore, the image obtaining module 300 of the utility model, identification mould group 400, cost is relatively low for electronic equipment 500.
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.
Finally it should be noted that：Above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations.
Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that：
It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc.
With replacement；And these are modified or replaceed, various embodiments of the utility model technology that it does not separate the essence of the corresponding technical solution
The spirit and scope of scheme.
Claims (16)
1. a kind of pattern projecting device, which is characterized in that including：
Light source；
Patterned member is arranged in the direction of illumination of the light source, is provided with predetermined pattern on the patterned member, the predetermined pattern
For being modulated to the light beam from the light source, structure light is generated；
Optical element, is arranged in the direction of illumination of the light source, and the optical element is issued and passed through from the light source for transmiting
Light after crossing the patterned member.
2. pattern projecting device as described in claim 1, which is characterized in that the light source is array light source or backlight.
3. pattern projecting device as claimed in claim 2, which is characterized in that the backlight is LCD light source.
4. pattern projecting device as claimed in claim 2, which is characterized in that the array light source is VCSEL light source.
5. such as pattern projecting device of any of claims 1-4, which is characterized in that the patterned member includes setting
There is the glass substrate for carrying the predetermined pattern.
6. pattern projecting device as claimed in claim 5, which is characterized in that the predetermined pattern is metal material.
7. pattern projecting device as claimed in claim 5, which is characterized in that the glass substrate is the glass for making LCD
Glass substrate.
8. pattern projecting device as described in claim 1, which is characterized in that the predetermined pattern include latticed, striated,
Any one pattern in lattice-like.
9. pattern projecting device as described in claim 1, which is characterized in that the optical element is lens or lens group.
10. pattern projecting device as described in claim 1, which is characterized in that set between the light source and the patterned member
It is equipped with collimating element.
11. a kind of image acquiring device, which is characterized in that it includes sensing mould group and any one of such as the claims 1-10
The pattern projecting device, the pattern projecting device is for emitting patterned structure light, and by the project structured light to one
On object；The sensing mould group is used to obtain the image of the structure light reflected by the object.
12. image acquiring device as claimed in claim 11, which is characterized in that the image acquiring device further comprises processing
Device, the image for being obtained according to the sensing mould group export the 3D figure of the object.
13. a kind of identity recognition device, which is characterized in that it includes appointing in sensing mould group, identification mould group and claim 1-10
Pattern projecting device described in one, the pattern projecting device is for emitting patterned structure light, and by the project structured light
To an object under test；The sensing mould group is used to obtain the image of the structure light reflected by the object under test；The identification mould group is used
Identification is carried out in the image according to acquired in the sensing mould group.
14. identity recognition device as claimed in claim 13, which is characterized in that the identity recognition device includes face recognition dress
It sets.
15. a kind of electronic equipment, including identity recognition device described in any one of claim 13-14, the electronics is set
It is ready for use on according to the recognition result of the identity recognition device to correspond to and whether executes corresponding function.
16. electronic equipment as claimed in claim 15, it is characterised in that：Corresponding function includes unlock, payment, starting
Any one or a few in the application program prestored.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820688173.0U CN208172395U (en) | 2018-05-09 | 2018-05-09 | Pattern projecting device, image acquiring device, identity recognition device and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820688173.0U CN208172395U (en) | 2018-05-09 | 2018-05-09 | Pattern projecting device, image acquiring device, identity recognition device and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208172395U true CN208172395U (en) | 2018-11-30 |
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ID=64365684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820688173.0U Active CN208172395U (en) | 2018-05-09 | 2018-05-09 | Pattern projecting device, image acquiring device, identity recognition device and electronic equipment |
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| Country | Link |
|---|---|
| CN (1) | CN208172395U (en) |
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2018
- 2018-05-09 CN CN201820688173.0U patent/CN208172395U/en active Active
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