CN106203405A - Infrared detecting device and identity recognition device - Google Patents
Infrared detecting device and identity recognition device Download PDFInfo
- Publication number
- CN106203405A CN106203405A CN201610727310.2A CN201610727310A CN106203405A CN 106203405 A CN106203405 A CN 106203405A CN 201610727310 A CN201610727310 A CN 201610727310A CN 106203405 A CN106203405 A CN 106203405A
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- infrared
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- size
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- 238000001514 detection method Methods 0.000 claims description 20
- 230000003746 surface roughness Effects 0.000 claims description 10
- 238000000034 method Methods 0.000 description 6
- 239000000203 mixture Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 210000000056 organ Anatomy 0.000 description 4
- 230000011514 reflex Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 210000003462 vein Anatomy 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 230000005059 dormancy Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
Classifications
-
- 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
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C23/00—Non-electrical signal transmission systems, e.g. optical systems
- G08C23/04—Non-electrical signal transmission systems, e.g. optical systems using light waves, e.g. infrared
-
- 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
- G06V40/14—Vascular patterns
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
The invention discloses a kind of infrared detecting device and identity recognition device.Described infrared detecting device includes: m infrared transmitter and infrared remote receiver, wherein, described m infrared transmitter scattering device is in the surrounding of described infrared remote receiver, each infrared transmitter in described m infrared transmitter is all higher than predetermined threshold value with the distance of described infrared remote receiver, wherein, the quantity of m is more than or equal to 2.Said apparatus can increase the reflected signal that infrared remote receiver receives.
Description
Technical field
The present invention relates to identification field, particularly relate to a kind of infrared detecting device and identity recognition device.
Background technology
Multi-modal hand identification technology is mainly by gathering the figure of vein under the thick gauffer of palm surface and skin of palm of hand
As carrying out identification.Palm vein image identification has that discrimination is high, can carry out contactless collection, vivo identification cannot be pseudo-
Make, biological characteristic is not easy advantages such as being stolen, thus is particularly suitable for the place that safe class coefficient is higher.But, by
Thicker in the physiological structure of palm, need the luminous organ producing HONGGUANG to have the highest luminosity, guarantee is radiated at hands
The HONGGUANG of palm can penetrate palm muscle, it is ensured that is capable of the identification to vein, so produces the merit of the luminous organ of HONGGUANG
Consumption will be the highest.
In order to be able to reduce the power consumption of product, identity recognition device the most all can enter the state of dormancy, red producing
The luminous organ of light cuts out.Needing to carry out multi-modal hand identification at device, Rouser is to open the luminous organ producing HONGGUANG.
Traditional awakening method is that the light that the infrared transmitter utilizing infrared remote receiver to receive palmar reflex is launched goes to realize.But
Being, palm on-plane surface, have gauffer, diffuse-reflectance is more than direct reflection, now goes to send out iff by an infrared transmitter
Sending, an infrared remote receiver goes to receive, and the reflected signal that infrared remote receiver receives is the most weak, is not enough to wake up machine up.
Summary of the invention
Embodiment of the present invention technical problem to be solved is, it is provided that a kind of infrared detecting device and identification dress
Put, by increasing capacitance it is possible to increase the reflected signal that infrared remote receiver receives.
First aspect, the invention provides a kind of infrared detecting device, including: m infrared transmitter and infrared receiver
Device, wherein, described m infrared transmitter scattering device is in the surrounding of described infrared remote receiver, in described m infrared transmitter
Each infrared transmitter is all higher than predetermined threshold value with the distance of described infrared remote receiver, and wherein, the quantity of m is more than or equal to 2.
Alternatively, described predetermined threshold value meet following at least one: the size of described predetermined threshold value and object to be detected
The size of surface area is directly proportional;The size of described predetermined threshold value is inversely proportional to the surface roughness of object to be detected;Described default
Distance between the size of threshold value and object to be detected and described infrared remote receiver is inversely proportional to.
Alternatively, the numerical value of described m meet following at least one: the size of the numerical value of described m is big with object to be detected
Little it is directly proportional;The size of the numerical value of described m is directly proportional to the surface roughness of object to be detected;The size of the numerical value of described m with
Distance between object to be detected to described infrared remote receiver is directly proportional.
Alternatively, described m infrared transmitter is separately positioned on geometric summit, and described infrared remote receiver is arranged on
On described geometric line of symmetry.
Alternatively, described m infrared transmitter is the most equal with the distance of described infrared remote receiver.
Alternatively, described geometric figure is circular, and described infrared remote receiver is arranged on the center of circle of described circle, described m
Individual infrared transmitter is arranged on the circumference of described circle, and, circumference circular described in described m infrared transmitter decile.
Alternatively, m numerical value is 2, and described geometric figure is line segment, described infrared remote receiver be arranged on described line segment etc.
On separated time, two infrared transmitters are separately positioned on the two ends of described line segment.
Alternatively, m numerical value is 3, and described geometric figure is equilateral triangle, and described infrared remote receiver is arranged on described etc.
The center of limit triangle, three infrared transmitters are separately positioned on the summit of described equilateral triangle.
Alternatively, m numerical value is 4, and described geometric figure is square, and described infrared remote receiver is arranged on described square
Center, four infrared transmitters are separately positioned on described foursquare summit.
Second aspect, the invention provides a kind of identity recognition device, it is characterised in that include processor, detection module
And infrared detecting device, wherein, described processor connects described detection module, and described detection module connects described infrared detection
Device, described infrared detecting device is the device as described in any one of first aspect.
By implementing the embodiment of the present invention, it is possible to arrange m infrared transmitter, and m infrared transmitter scattering device
Surrounding at infrared remote receiver such that it is able to when making palm be partial to which direction, always have that infrared transmitter sends is red
Outer light can be received by infrared remote receiver, and, palm launches the infrared light that multiple infrared transmitter produces simultaneously, by increasing capacitance it is possible to increase
The reflected signal that infrared remote receiver receives.Each infrared transmitter in m infrared transmitter is equal with the distance of infrared remote receiver
More than predetermined threshold value, to guarantee that Infrared produced by infrared transmitter, by after palmar reflex, carries out anti-at an angle
Penetrate, thus increase the reflected signal that infrared remote receiver receives.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to
Other accompanying drawing is obtained according to these accompanying drawings.
Fig. 1 is the operation principle schematic diagram of a kind of infrared detecting device disclosed in the embodiment of the present invention;
Fig. 2 is the top view of Fig. 1.
Fig. 3 is the embodiment of the present invention disclosed the first infrared detecting device mid-infrared emitter and infrared remote receiver
Distribution schematic diagram;
Fig. 4 is the second infrared detecting device mid-infrared emitter and infrared remote receiver disclosed in the embodiment of the present invention
Distribution schematic diagram;
Fig. 5 is the embodiment of the present invention disclosed the third infrared detecting device mid-infrared emitter and infrared remote receiver
Distribution schematic diagram.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise
Embodiment, broadly falls into the scope of protection of the invention.
It should be noted that the term used in embodiments of the present invention is only merely for the mesh describing specific embodiment
, and it is not intended to be limiting the present invention." one of singulative used in the embodiment of the present invention and appended claims
Kind ", " described " and " being somebody's turn to do " be also intended to include majority form, unless context clearly shows that other implications.It is also understood that this
Any or all possible group that the term "and/or" used in literary composition refers to and comprises one or more project of listing being associated
Close.
As shown in Figure 1 and Figure 2, the embodiment of the invention discloses a kind of infrared detecting device.The infrared inspection of the present embodiment
Survey device can apply in distance detection, shelter detection, carrying out flaw detection.Temperature detection etc. field, following for being easy to reason
Solve, will be applied in identity recognition device as a example by carrying out shelter detection illustrate by infrared detecting device.The present embodiment
Infrared detecting device include: infrared remote receiver 110, and, scattering device is in m infrared emission of the surrounding of infrared remote receiver
Device 120.Wherein, each infrared transmitter 120 in m infrared transmitter 120 is all higher than with the distance of infrared remote receiver 110
Predetermined threshold value.
Infrared transmitter 120 includes amplifier and at least one infrarede emitting diode.Identification is filled by amplifier
The raw signal of telecommunication of buying property is amplified producing enough power by amplifier, and then, amplifier is put by infrared transmitter 120
The signal of telecommunication after great exports infrarede emitting diode.Under the promotion of the infrarede emitting diode signal of telecommunication after amplification, produce
Wavelength is the Infrared of 780nm-1mm.
Infrared remote receiver 110 includes amplifier and photodiode.Photodiode sensing Infrared, and according to red
UV light sensing produces the signal of telecommunication.The signal of telecommunication that sensing produces is exported amplifier and is amplified by photodiode, and exports
Wake up up to identity recognition device.
In use, infrared transmitter 120 is always to emission Infrared.When not having, shelter (such as palm) is close
Time, infrared transmitter 120 directs out transmission Infrared, and infrared remote receiver 110 is not connected to Infrared, or, receive
The insufficient strength of the Infrared arrived, identity recognition device is not waken up up by infrared remote receiver 110.When shelter is near infrared
During detection device, the Infrared thing that is blocked that infrared transmitter 120 produces reflexes at infrared remote receiver 110, infrared receiver
Device 110 receives enough Infrared, and wakes up identity recognition device up.
In a specific embodiment, in order to avoid the scattering effect of the Infrared of infrared transmitter 120 generation causes
Infrared remote receiver 110 does not receives enough Infrared, and the angle of the light that infrared transmitter 120 launches can be made less than angle
Degree threshold value.Such as, angle threshold is 30 degree, 20 degree or 10 degree etc..
In a specific embodiment, arrange between infrared transmitter and infrared remote receiver the influence factor of distance include by
The detection size of surface area of object, the surface roughness of object to be detected and the distance of object to be detected.Work as detected material
When the surface area of body is bigger, distance is set between infrared transmitter and infrared remote receiver and can arrange distant;When detected
When the surface roughness of object is bigger, arranging distance between infrared transmitter and infrared remote receiver needs to arrange closer;When
When distance between object to be detected and infrared remote receiver is bigger, distance needs are set between infrared transmitter and infrared remote receiver
Arrange closer.So, in the present embodiment, predetermined threshold value meet following at least one: the size of predetermined threshold value is with tested
The size of the surface area surveying object is directly proportional;The size of predetermined threshold value is inversely proportional to the surface roughness of object to be detected;Preset
Distance between size and object to be detected and the infrared remote receiver of threshold value is inversely proportional to.
The influence factor of quantity m of infrared transmitter 120 includes the size of the surface area of object to be detected, object to be detected
Surface roughness and the distance of object to be detected.When the surface area of object to be detected is bigger, the number of infrared transmitter 120
Amount m can arrange to compare many;When the surface roughness of object to be detected is bigger, quantity m of infrared transmitter 120 can set
Put to compare many;When distance between object to be detected and infrared remote receiver is bigger, quantity m of infrared transmitter 120 is permissible
Arrange to compare many.So, in the present embodiment, the numerical value of m meet following at least one: the size of the numerical value of m is with detected
The size of object is directly proportional;The size of the numerical value of m is directly proportional to the surface roughness of object to be detected;The size of the numerical value of m with
Distance between object to be detected to described infrared remote receiver is directly proportional.
It is understood that the quantity of infrared transmitter 120 and distribution mode can have multiple, a concrete embodiment party
In formula, m infrared transmitter 120 can be separately positioned on geometric summit, infrared remote receiver 110 is arranged on geometric graph
On the line of symmetry of shape.Owing to m infrared transmitter 120 is separately positioned on geometric summit, so, infrared transmitter
The distribution of 120 is the most attractive in appearance, and, infrared remote receiver 110 is arranged on geometric line of symmetry, so that from each angle
The effect of degree detection shelter is the best.It is understood that so that the light that infrared transmitter 110 produces can be uniform
Be reflected on infrared remote receiver 110, m infrared transmitter can be made the most equal with the distance of infrared remote receiver.
In some more specifically embodiment, as it is shown on figure 3, the geometric figure of two infrared transmitter 120 compositions is line
Section, two infrared transmitters 120 are separately positioned on the two ends of line segment, and infrared remote receiver is arranged in the bisector of line segment.That is, red
Outer receptor 110 and two infrared transmitters 120 constitute any one isosceles triangle in such as Fig. 3 a, b, c, d.Especially
Ground, infrared remote receiver 110 and two infrared transmitters 120 constitute an equilateral triangle.
In some more specifically embodiment, as shown in Figure 4, the geometric figure of three infrared transmitter 120 compositions is three
Dihedral, three infrared transmitters 120 are separately positioned on vertex of a triangle, and infrared remote receiver is arranged on the line of symmetry of triangle
On.That is, three infrared transmitters 120 and an infrared remote receiver 110 constitute any one Pedicellus et Pericarpium Trapae in such as Fig. 4 a, b, c, d
Shape.Especially, infrared remote receiver 110 and three infrared transmitters 120 constitute a square.
In some more specifically embodiment, as shown in Figure 5 a, the geometric figure of three infrared transmitter 120 compositions is three
Dihedral, three infrared transmitters 120 are separately positioned on vertex of a triangle, and infrared remote receiver is arranged on the center of triangle.As
Shown in Fig. 5 b, the geometric figure of four infrared transmitter 120 compositions is conformality, and four infrared transmitters 120 are just separately positioned on
Square summit, infrared remote receiver is arranged on foursquare center.By that analogy, as shown in Figure 5 c, m infrared transmitter 120
The geometric figure constituted is circular, and m infrared transmitter 120 is arranged on the circumference of circle, and, m infrared transmitter 120
The circumference that decile is circular, infrared remote receiver 110 is arranged on the center of circle of circle.
It is understood that the simply citing of the quantity of above-mentioned infrared transmitter 120 and distribution mode, in other enforcement
In mode, it is also possible to being other form, the present invention is not especially limited.
It is described additionally, above statement is all 1 with the quantity of infrared remote receiver 110, but, actually used
In, it is also possible to being configured according to two or more, the present invention is not especially limited.
This enforcement is novel additionally provides a kind of identity recognition device, fills including processor, detection module and infrared detection
Putting, wherein, described processor connects described detection module, and described detection module connects described infrared detecting device, described infrared
Detection device is device as shown in Figure 1 to Figure 5, wherein.
By implementing the embodiment of the present invention, it is possible to arrange m infrared transmitter, and m infrared transmitter scattering device
Surrounding at infrared remote receiver such that it is able to when making palm be partial to which direction, always have that infrared transmitter sends is red
Outer light can be received by infrared remote receiver, and, palm launches the infrared light that multiple infrared transmitter produces simultaneously, by increasing capacitance it is possible to increase
The reflected signal that infrared remote receiver receives.Each infrared transmitter in m infrared transmitter is equal with the distance of infrared remote receiver
More than predetermined threshold value, to guarantee that Infrared produced by infrared transmitter, by after palmar reflex, carries out anti-at an angle
Penetrate, thus increase the reflected signal that infrared remote receiver receives.
One of ordinary skill in the art will appreciate that all or part of flow process realizing in above-described embodiment method, be permissible
Instructing relevant hardware by computer program to complete, described program can be stored in a computer read/write memory medium
In, this program is upon execution, it may include such as the flow process of the embodiment of above-mentioned each method.Wherein, described storage medium can be magnetic
Dish, CD, read-only store-memory body (Read-Only Memory, ROM) or random store-memory body (Random Access
Memory, RAM) etc..
Above disclosed it is only one preferred embodiment of the present invention, certainly can not limit the power of the present invention with this
Profit scope, one of ordinary skill in the art will appreciate that all or part of flow process realizing above-described embodiment, and weighs according to the present invention
Profit requires the equivalent variations made, and still falls within the scope that invention is contained.
Claims (10)
1. an infrared detecting device, it is characterised in that including: m infrared transmitter and infrared remote receiver, wherein, described m
Infrared of each in the surrounding of described infrared remote receiver, described m infrared transmitter of individual infrared transmitter scattering device
Emitter is all higher than predetermined threshold value with the distance of described infrared remote receiver, and wherein, the quantity of m is more than or equal to 2.
Device the most according to claim 1, it is characterised in that described predetermined threshold value meet following at least one:
The size of described predetermined threshold value is directly proportional to the size of the surface area of object to be detected;
The size of described predetermined threshold value is inversely proportional to the surface roughness of object to be detected;
Distance between the size of described predetermined threshold value and object to be detected and described infrared remote receiver is inversely proportional to.
Device the most according to claim 1, it is characterised in that the numerical value of described m meet following at least one:
The size of the numerical value of described m is directly proportional to the size of object to be detected;
The size of the numerical value of described m is directly proportional to the surface roughness of object to be detected;
Distance between the size of the numerical value of described m to object to be detected to described infrared remote receiver is directly proportional.
Device the most according to claim 1, it is characterised in that described m infrared transmitter is separately positioned on geometric figure
Summit, described infrared remote receiver is arranged on described geometric line of symmetry.
Device the most according to claim 4, it is characterised in that described m infrared transmitter and described infrared remote receiver
Distance is the most equal.
Device the most according to claim 4, it is characterised in that described geometric figure is circular, and described infrared remote receiver sets
Putting on the center of circle of described circle, described m infrared transmitter is arranged on the circumference of described circle, and, described m is infrared
Circumference circular described in emitter decile.
Device the most according to claim 4, it is characterised in that m numerical value is 2, and described geometric figure is line segment, described red
Outer receptor is arranged in the bisector of described line segment, and two infrared transmitters are separately positioned on the two ends of described line segment.
Device the most according to claim 4, it is characterised in that m numerical value is 3, and described geometric figure is equilateral triangle,
Described infrared remote receiver is arranged on the center of described equilateral triangle, and three infrared transmitters are separately positioned on described equilateral triangle
The summit of shape.
Device the most according to claim 4, it is characterised in that m numerical value is 4, described geometric figure is square, described
Infrared remote receiver is arranged on described foursquare center, and four infrared transmitters are separately positioned on described foursquare summit.
10. an identity recognition device, it is characterised in that include processor, detection module and infrared detecting device, wherein,
Described processor connects described detection module, and described detection module connects described infrared detecting device, described infrared detecting device
For the device as described in claim 1-9 any claim.
Priority Applications (1)
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CN201610727310.2A CN106203405A (en) | 2016-08-25 | 2016-08-25 | Infrared detecting device and identity recognition device |
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CN201610727310.2A CN106203405A (en) | 2016-08-25 | 2016-08-25 | Infrared detecting device and identity recognition device |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108061525A (en) * | 2017-12-06 | 2018-05-22 | 成都猴子软件有限公司 | A kind of system for reducing classification error |
CN109166345A (en) * | 2018-09-28 | 2019-01-08 | 杭州星外星科技有限公司 | A kind of parking stall vehicle detection and vehicle information management system and method |
CN111325876A (en) * | 2018-12-14 | 2020-06-23 | 云丁网络技术(北京)有限公司 | Door lock awakening device and electronic door lock |
CN113436367A (en) * | 2021-05-27 | 2021-09-24 | 青岛海尔空调器有限总公司 | Method and device for controlling child lock state of remote controller and remote controller |
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CN104000553A (en) * | 2014-05-23 | 2014-08-27 | 何明光 | Electronic vision detecting system adopting double-blind design |
CN105069409A (en) * | 2015-07-24 | 2015-11-18 | 上海科勒电子科技有限公司 | Three-dimensional gesture identification method based on infrared technology and system |
CN206249339U (en) * | 2016-08-25 | 2017-06-13 | 中控智慧科技股份有限公司 | Infrared detecting device and identity recognition device |
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2016
- 2016-08-25 CN CN201610727310.2A patent/CN106203405A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN104000553A (en) * | 2014-05-23 | 2014-08-27 | 何明光 | Electronic vision detecting system adopting double-blind design |
CN105069409A (en) * | 2015-07-24 | 2015-11-18 | 上海科勒电子科技有限公司 | Three-dimensional gesture identification method based on infrared technology and system |
CN206249339U (en) * | 2016-08-25 | 2017-06-13 | 中控智慧科技股份有限公司 | Infrared detecting device and identity recognition device |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108061525A (en) * | 2017-12-06 | 2018-05-22 | 成都猴子软件有限公司 | A kind of system for reducing classification error |
CN109166345A (en) * | 2018-09-28 | 2019-01-08 | 杭州星外星科技有限公司 | A kind of parking stall vehicle detection and vehicle information management system and method |
CN111325876A (en) * | 2018-12-14 | 2020-06-23 | 云丁网络技术(北京)有限公司 | Door lock awakening device and electronic door lock |
CN113436367A (en) * | 2021-05-27 | 2021-09-24 | 青岛海尔空调器有限总公司 | Method and device for controlling child lock state of remote controller and remote controller |
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Application publication date: 20161207 |