CN206372034U - A kind of LCD modulates skin detection imaging device - Google Patents
A kind of LCD modulates skin detection imaging device Download PDFInfo
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- CN206372034U CN206372034U CN201621111218.5U CN201621111218U CN206372034U CN 206372034 U CN206372034 U CN 206372034U CN 201621111218 U CN201621111218 U CN 201621111218U CN 206372034 U CN206372034 U CN 206372034U
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- 238000003384 imaging method Methods 0.000 title claims abstract description 28
- 238000001514 detection method Methods 0.000 title claims abstract description 22
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- 238000000429 assembly Methods 0.000 claims abstract description 10
- 230000001678 irradiating effect Effects 0.000 claims abstract description 3
- 230000005540 biological transmission Effects 0.000 claims description 6
- 210000003491 skin Anatomy 0.000 description 34
- 230000010287 polarization Effects 0.000 description 10
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
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- 208000002874 Acne Vulgaris Diseases 0.000 description 1
- 241000239290 Araneae Species 0.000 description 1
- 206010008570 Chloasma Diseases 0.000 description 1
- 206010015150 Erythema Diseases 0.000 description 1
- 208000003351 Melanosis Diseases 0.000 description 1
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- 238000004458 analytical method Methods 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
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- 235000013532 brandy Nutrition 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002500 effect on skin Effects 0.000 description 1
- 210000002615 epidermis Anatomy 0.000 description 1
- 231100000321 erythema Toxicity 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000010191 image analysis Methods 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 238000012634 optical imaging Methods 0.000 description 1
- 230000001575 pathological effect Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 150000004032 porphyrins Chemical class 0.000 description 1
- 238000004445 quantitative analysis Methods 0.000 description 1
- 230000005808 skin problem Effects 0.000 description 1
- 230000000930 thermomechanical effect Effects 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
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Abstract
Skin detection imaging device is modulated the utility model discloses a kind of LCD, including the incident light source for irradiating skin, the first LCD components, the 2nd LCD components, linear polarizer, the CCD/CMOS image-forming assemblies set gradually, the first controller and second controller for controlling phase-delay quantity, and for the computer module for the image for handling the collection of CCD/CMOS image-forming assemblies；Wherein, the wavelength of incident light source is to be respectively arranged with the first light hole and the second light hole on 400~700nm, the first LCD components and the 2nd LCD components.First controller and second controller of the present utility model adjust the phase-delay quantity of the first LCD components and the 2nd LCD components respectively, and obtain the multiple images under multigroup out of phase retardation, the sensitiveness to skin surface various features has been respectively increased in multiple images, and it is conducive to improving the fineness and comprehensive being imaged.
Description
Technical field
The utility model is related to skin detection imaging technique, and skin detection imaging device is modulated more particularly, to a kind of LCD.
Background technology
Skin detection instrument be it is currently the only can the pathological characteristicses of skin be carried out with the instrument of quantitative analysis, it makes
Skin treating has taken leave of the history that judges only according to naked eyes with doctors experience in the past, can accurately, quantitatively diagnose skin conditions, it
Skin diagnosis report that is more accurate, clear, being readily appreciated that is provided for doctor and patient, so as to more efficiently improve skin
Improvement, therapeutic effect.
Skin detection instrument with advanced optical imagery and software science and technology, measure and analyze immediately the spot of epidermis, pore,
Wrinkle and dermatoglyph, and due to ultraviolet irradiates and produces veins beneath the skin and pigmentosa lesion, such as porphyrin (grease), brown
Color spot, erythema etc., and disclose such as chloasma, acne, brandy nose and the potential danger of spider shape phlebangioma as caused by them
Danger, and then it is easy to dermatologist to design most suitable therapeutic scheme for skin problem.
However, skin detection instrument in the market is using tradition directly optical imaging analysis, differentiated with imaging
Rate is relatively low, bad adaptability, the low shortcoming of skin properties susceptibility, and it can not accomplish more careful, comprehensive dermal imaging.There is mirror
Turn into urgent problem to be solved at this stage there is provided comprehensive, careful, the efficient Image analysis system of one kind in this.
Utility model content
The purpose of this utility model is to overcome above-mentioned technical deficiency, proposes a kind of LCD modulation skin detection imaging device,
Solve the low technical problem of relatively low optical imagery resolution ratio in the prior art, bad adaptability, skin properties susceptibility.
To reach above-mentioned technical purpose, the technical solution of the utility model provides a kind of LCD modulation skin detection imaging dress
Put, including for irradiating the incident light source of skin, the first LCD groups set gradually along the transmission direction of the reflection light of skin
Part, the 2nd LCD components, linear polarizer, CCD/CMOS image-forming assemblies, are respectively used to control the first LCD components and the 2nd LCD
The first controller and second controller of the phase-delay quantity of component, and for handling the CCD/CMOS image-forming assemblies collection
The computer module of image；Wherein, the wavelength of the incident light source is 400~700nm, the first LCD components and the 2nd LCD
The first light hole and the second light hole are respectively arranged with component.
It is preferred that, the angle between the slow axis of the first LCD components and the slow axis of the 2nd LCD components is 45 °, described
Angle between the slow axis of one LCD components and the light transmission shaft of the linear polarizer is 90 °.
It is preferred that, the precision of first controller and second controller output voltage is 1mV.
It is preferred that, the aperture of first light hole and the second light hole is 20mm.
It is preferred that, the response wave band of the first LCD components and the 2nd LCD components is 400~700nm.
Compared with prior art, the first controller and second controller of the present utility model adjust the first LCD components respectively
With the phase-delay quantity of the 2nd LCD components, and multiple images under multigroup out of phase retardation, multiple images difference are obtained
The sensitiveness to skin surface various features is improved, it is conducive to improving the fineness and comprehensive being imaged.
Brief description of the drawings
Fig. 1 is the attachment structure schematic diagram that LCD of the present utility model modulates skin detection imaging device；
Fig. 2 is the imaging effect figure of existing skin detection instrument；
Fig. 3 is the imaging effect figure that LCD of the present utility model modulates skin detection imaging device.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only to explain
The utility model, is not used to limit the utility model.
Referring to Fig. 1, embodiment of the present utility model is there is provided a kind of LCD modulation skin detection imaging devices, including with
In the incident light source 8 of irradiation skin, the first LCD components, the 2nd LCD set gradually along the transmission direction of the reflection light of skin
Component, linear polarizer, CCD/CMOS image-forming assemblies, are respectively used to control the phase of the first LCD components and the 2nd LCD components
The first controller and second controller of retardation, and for the calculating for the image for handling the CCD/CMOS image-forming assemblies collection
Thermomechanical components；Wherein, the wavelength of the incident light source 8 is to divide on 400~700nm, the first LCD components and the 2nd LCD components
The first light hole and the second light hole are not provided with.
During specific imaging, skin is irradiated by incident light source 8 first, first is sequentially entered by the irreflexive light of skin
The LCD components 2 of LCD components 1 and the 2nd, adjust the by controlling the output current potential of the first controller 5 and second controller 6 respectively
The phase-delay quantity of one LCD components 1 and the 2nd LCD components 2, injects linear polarizer 3, and lead to by the light after phase delay twice
Cross linearly polarized light progress of the CCD/CMOS image-forming assemblies 4 to the outgoing of linear polarizer 3 Polaroid；The first controller of secondary control 5 again
The phase-delay quantity of the first LCD components 1 and the 2nd LCD components 2 is adjusted with the output current potential of second controller 6, and is passed through
CCD/CMOS image-forming assemblies 4 are imaged, by repeatedly regulation formed the first LCD components 1 and the 2nd LCD components 2 it is multigroup not
Same phase-delay quantity, and the multiple images corresponding from multigroup different phase-delay quantity are obtained, then by calculating unit
Part 7 is handled above-mentioned multiple images.
Wherein, the wavelength of the incident light source 8 of the present embodiment is set to 400~700nm, and it is conducive to improving linear polarizer
Polarization effect, it is ensured that the more accurate image for obtaining skin characteristic features.It is corresponding, by the first LCD components 1 described in the present embodiment
400~700nm is set to the response wave band of the 2nd LCD components 2, so as to be conducive to incident light source 8 and the first LCD components 1,
The cooperation of two LCD components 2, it is ensured that obtain the image that more preferably skin is characterized.Meanwhile, the first light hole and second described in the present embodiment
The aperture of light hole is 20mm, so as to be conducive to the light to the wavelength passed through in 400nm-700nm to carry out more accurately
Phase-modulation.
When handling above-mentioned multiple images, the light intensity and the first LCD components 1, the 2nd LCD components of emergent light can be obtained
2 phase-delay quantity, and determine by Mueller matrixes the calculation formula of Stokes parameters：
Wherein, I is the light intensity value that CCD/CMOS image-forming assemblies are received, S0For the total light intensity of light wave, S1For light wave x directions
The light intensity difference of linear polarization component and y directions linear polarization component, S2It is that the direction linear polarization component of light wave π/4 and-π/4 direction lines are inclined
Shake the light intensity difference of component, S3For the light intensity difference of light wave clockwise direction linear polarization component and left hand direction linear polarization component, δ1For
The phase-delay quantity of first LCD components, δ2For the phase-delay quantity of the 2nd LCD components.
Each pixel of the multiple images of acquisition is calculated specifically, can be calculated by above-mentioned formula, obtained
Multiple polarization parameters based on each pixel, and by the value one width polarization image of formation of each polarization parameter, obtain altogether many
Width polarization parameter image.Above-mentioned specific handling process is the ordinary skill in the art, therefore is not described in detail herein.
Moreover, the present embodiment computer module 7 can also be adopted as other routine techniques of this area to CCD/CMOS imaging groups
The image that part 4 is gathered is handled, and the present embodiment is not restricted herein to the processing mode of computer module 7, to handle figure
The more preferably mode of picture is excellent.
Wherein, the angle described in the present embodiment between the slow axis of the first LCD components 1 and the slow axis of the 2nd LCD components 2 is
45 °, the angle between the slow axis of the first LCD components 1 and the light transmission shaft of the linear polarizer 3 is 90 °.
The precision of first controller 5 and the output voltage of second controller 6 described in the present embodiment is 1mV, and with stronger
Output stability, it is conducive to follow-up image procossing, it is ensured that the accuracy of processing.Moreover, can be by the He of the first controller 5
Second controller 6 is connected with computer module 7, controllable to first controller 5 and second controller 6 in order to improve
Property.
And the present embodiment LCD modulates the imaging advantages of skin detection imaging device for convenience of description, following examination has been carried out
Test：The LCD modulation skin detection imaging devices of existing conventional transdermal detector and the present embodiment are subjected to contrast imaging.Specifically
For the conventional artificial's leather bought from market is imaged as sample, and under identical illumination, and the image after imaging is such as
Shown in Fig. 2, Fig. 3, from image comparison, the image that the LCD modulation skin detection imaging devices of the present embodiment are obtained is bright
Aobvious more careful, comprehensive, it can more preferably react the real conditions of skin.
Compared with prior art, the first controller and second controller of the present utility model adjust the first LCD components respectively
With the phase-delay quantity of the 2nd LCD components, and multiple images under multigroup out of phase retardation, multiple images difference are obtained
The sensitiveness to skin surface various features is improved, it is conducive to improving the fineness and comprehensive being imaged.
Embodiment of the present utility model described above, does not constitute the restriction to the utility model protection domain.
Any various other corresponding changes and deformation made according to technical concept of the present utility model, should be included in this practicality
In new scope of the claims.
Claims (5)
1. a kind of LCD modulates skin detection imaging device, it is characterised in that including the incident light source for irradiating skin, along skin
The first LCD components that the transmission direction of the reflection light of skin is set gradually, the 2nd LCD components, linear polarizer, CCD/CMOS imagings
Component, is respectively used to control the first controller and the second control of the phase-delay quantity of the first LCD components and the 2nd LCD components
Device processed, and for the computer module for the image for handling the CCD/CMOS image-forming assemblies collection；Wherein, the incident light source
Wavelength is to be respectively arranged with the first light hole and the second thang-kng on 400~700nm, the first LCD components and the 2nd LCD components
Hole.
2. LCD according to claim 1 modulates skin detection imaging device, it is characterised in that the first LCD components
Angle between the slow axis of slow axis and the 2nd LCD components is 45 °, slow axis and the linear polarizer of the first LCD components
Angle between light transmission shaft is 90 °.
3. LCD according to claim 2 modulates skin detection imaging device, it is characterised in that first controller and
The precision of second controller output voltage is 1mV.
4. the LCD modulation skin detection imaging devices according to Claims 2 or 3, it is characterised in that first light hole
Aperture with the second light hole is 20mm.
5. LCD according to claim 4 modulates skin detection imaging device, it is characterised in that the first LCD components with
The response wave band of 2nd LCD components is 400~700nm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621111218.5U CN206372034U (en) | 2016-10-11 | 2016-10-11 | A kind of LCD modulates skin detection imaging device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621111218.5U CN206372034U (en) | 2016-10-11 | 2016-10-11 | A kind of LCD modulates skin detection imaging device |
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| CN206372034U true CN206372034U (en) | 2017-08-04 |
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| CN201621111218.5U Expired - Fee Related CN206372034U (en) | 2016-10-11 | 2016-10-11 | A kind of LCD modulates skin detection imaging device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106264473A (en) * | 2016-10-11 | 2017-01-04 | 湖北器长光电股份有限公司 | A kind of LCD modulation skin detection imaging system and formation method |
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2016
- 2016-10-11 CN CN201621111218.5U patent/CN206372034U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106264473A (en) * | 2016-10-11 | 2017-01-04 | 湖北器长光电股份有限公司 | A kind of LCD modulation skin detection imaging system and formation method |
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Granted publication date: 20170804 |