CN206381168U - A kind of LCD modulates skin detection imaging system - Google Patents
A kind of LCD modulates skin detection imaging system Download PDFInfo
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- CN206381168U CN206381168U CN201621111379.4U CN201621111379U CN206381168U CN 206381168 U CN206381168 U CN 206381168U CN 201621111379 U CN201621111379 U CN 201621111379U CN 206381168 U CN206381168 U CN 206381168U
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- lcd
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- skin detection
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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
- 230000000712 assembly Effects 0.000 claims abstract description 9
- 238000000429 assembly Methods 0.000 claims abstract description 9
- 230000005540 biological transmission Effects 0.000 claims abstract description 7
- 210000003491 skin Anatomy 0.000 description 29
- 230000010287 polarization Effects 0.000 description 9
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000001225 therapeutic effect Effects 0.000 description 2
- 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
- 206010000496 acne Diseases 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 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
- 210000003462 vein Anatomy 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
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- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
Skin detection imaging system is modulated the utility model discloses a kind of LCD, the first LCD components, the 2nd LCD components, linear polarizer, the CCD/CMOS image-forming assemblies set gradually including the transmission direction along light, it is respectively used to control the first controller and second controller of the phase-delay quantity of the first LCD components and the 2nd LCD components, and for the computer module for the image for handling the CCD/CMOS image-forming assemblies collection；Wherein, the first light hole and the second light hole are respectively arranged with 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 system 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 system,
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 system
System, including along light transmission direction set gradually the first LCD components, the 2nd LCD components, linear polarizer, CCD/CMOS be imaged
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 first LCD groups
The first light hole of setting and the second light hole are respectively arranged with part and the 2nd LCD components.
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 400nm~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 system；
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 system.
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, which provides a kind of LCD, modulates skin detection imaging system, including edge
The first LCD components 1, the 2nd LCD components 2, linear polarizer 3, CCD/CMOS image-forming assemblies 4 that the transmission direction of light is set gradually,
It is respectively used to control the first controller 5 and the second control of the phase-delay quantity of the first LCD components 1 and the 2nd LCD components 2
Device 6, and for handling the computer module 7 for the image that the CCD/CMOS image-forming assemblies 4 are gathered；Wherein, the first LCD groups
The first light hole of setting and the second light hole are respectively arranged with the LCD components 2 of part 1 and the 2nd.
During specific imaging, skin is irradiated by light source first, the first LCD groups are sequentially entered by the irreflexive light of skin
The LCD components 2 of part 1 and the 2nd, respectively by controlling the output current potential of the first controller 5 and second controller 6 to adjust the first LCD
The phase-delay quantity of the LCD components 2 of component 1 and the 2nd, injects linear polarizer 3, and pass through by the light after phase delay twice
CCD/CMOS image-forming assemblies 4 carry out Polaroid to the linearly polarized light of the outgoing of linear polarizer 3；The He of the first controller of secondary control 5 again
The output current potential of second controller 6 adjusts the phase-delay quantity of the first LCD components 1 and the 2nd LCD components 2, and passes through CCD/
Cmos imaging component 4 is imaged, and the multigroup different of the first LCD components 1 and the 2nd LCD components 2 are formed by repeatedly regulation
Phase-delay quantity, and obtain multiple images corresponding from multigroup different phase-delay quantity, then by 7 pairs of computer module
Above-mentioned multiple images are handled.
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.
The wavelength of the present embodiment incident light source may be configured as 400nm-700nm, corresponding, can be by the first LCD components 1
400nm~700nm is disposed as with the response wave band of the 2nd LCD components 2, so as to be conducive to more accurately obtaining skin sign spy
The image of property.The aperture of the first light hole and the second light hole is 20mm described in the present embodiment, consequently facilitating to the ripple passed through
The long light wave in 400nm-700nm carries out phase-modulation.
And the present embodiment LCD modulates the imaging advantages of skin detection imaging system for convenience of description, following examination has been carried out
Test：The LCD modulation skin detection imaging systems 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 systems 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 system, it is characterised in that first set gradually including the transmission direction along light
LCD components, the 2nd LCD components, linear polarizer, CCD/CMOS image-forming assemblies, are respectively used to control the first LCD components and the
The first controller and second controller of the phase-delay quantity of two LCD components, and for handling the CCD/CMOS image-forming assemblies
The computer module of the image of collection；Wherein, it is respectively arranged with the first thang-kng on the first LCD components and the 2nd LCD components
Hole and the second light hole.
2. LCD according to claim 1 modulates skin detection imaging system, 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 system, it is characterised in that first controller and
The precision of second controller output voltage is 1mV.
4. the LCD modulation skin detection imaging systems 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 system, it is characterised in that the first LCD components and
2nd LCD component responds wave bands are 400nm~700nm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621111379.4U CN206381168U (en) | 2016-10-11 | 2016-10-11 | A kind of LCD modulates skin detection imaging system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621111379.4U CN206381168U (en) | 2016-10-11 | 2016-10-11 | A kind of LCD modulates skin detection imaging system |
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| Publication Number | Publication Date |
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| CN206381168U true CN206381168U (en) | 2017-08-08 |
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| CN201621111379.4U Expired - Fee Related CN206381168U (en) | 2016-10-11 | 2016-10-11 | A kind of LCD modulates skin detection imaging system |
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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 CN201621111379.4U patent/CN206381168U/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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