CN110456520A - Optical system, edge contour extracting method and system, computer storage medium - Google Patents
Optical system, edge contour extracting method and system, computer storage medium Download PDFInfo
- Publication number
- CN110456520A CN110456520A CN201910686824.1A CN201910686824A CN110456520A CN 110456520 A CN110456520 A CN 110456520A CN 201910686824 A CN201910686824 A CN 201910686824A CN 110456520 A CN110456520 A CN 110456520A
- Authority
- CN
- China
- Prior art keywords
- circularly polarized
- light
- polarized light
- optical system
- polarization direction
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/28—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising
- G02B27/283—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising used for beam splitting or combining
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/28—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising
- G02B27/288—Filters employing polarising elements, e.g. Lyot or Solc filters
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T1/00—General purpose image data processing
- G06T1/0007—Image acquisition
Abstract
The present invention relates to optical technical field more particularly to a kind of optical systems, edge contour extracting method and system, computer storage medium, to realize the fast imaging to object edge.Present system includes: the first device, for filtering out the linearly polarized photon of the first polarization direction from external incident light；Second device, for the linearly polarized photon of the first incident polarization direction to be resolved into left circularly polarized light and right-circularly polarized light and is output to third device, and in left-handed and two kinds of circularly polarized lights of dextrorotation of output, a kind of real focus convergence based on similar convex lens, a kind of virtual focus diverging based on similar concavees lens；Or the left circularly polarized light of output is opposite with right-circularly polarized light deflection angle；At least there is a kind of working condition to be intercepted with the intermediate region light beam Chong Die with right-circularly polarized light to left circularly polarized light and carry out light transmission to the left or right rotation circularly polarized light of edge Non-overlapping Domain for third device.
Description
Technical field
The present invention relates to optical technical field more particularly to a kind of optical systems, edge contour extracting method and system, meter
Calculation machine storage medium.
Background technique
Conventional edge imaging method is object general image first to be shot by physical means, then pass through algorithm to general image
It is handled, extracts the picture information of object edge.
Summary of the invention
Present invention aims at disclosing a kind of optical system, edge contour extracting method and system, computer storage medium,
To realize the fast imaging to object edge.
In order to achieve the above object, the present invention discloses a kind of optical system, comprising:
First device, for filtering out the linearly polarized photon of the first polarization direction from external incident light, and partially by first
The linearly polarized photon in vibration direction is output to the second device；
Second device, for by the linearly polarized photon of the first incident polarization direction resolve into left circularly polarized light and
Right-circularly polarized light is simultaneously output to third device, and in the left-handed and two kinds of circularly polarized lights of dextrorotation exported, one kind is based on similar convex
The real focus of lens is assembled, a kind of virtual focus diverging based on similar concavees lens；Or the left circularly polarized light and dextrorotation circle of output
Polarised light deflection angle is opposite；
The third device at least has a kind of working condition with Chong Die with right-circularly polarized light to left circularly polarized light
Intermediate region light beam is intercepted and carries out light transmission to the left or right rotation circularly polarized light of edge Non-overlapping Domain.
In order to achieve the above object, the present invention discloses a kind of edge contour extracting method, comprising:
Obtain the parameter of above-mentioned optical system；
It is located at according to the parameter of the optical system and in conjunction with acquired image inner edge boundary line and outer boundary line computation described
Substantive contour line between inner edge boundary line and the outer boundary.
In order to achieve the above object, invention additionally discloses a kind of edge contour extraction system, including memory, processor and deposit
The computer program that can be run on a memory and on a processor is stored up, the processor is realized when executing the computer program
The step of above method.
In order to achieve the above object, it is stored thereon with computer program invention additionally discloses a kind of computer storage medium, it is described
The step in the above method is realized when program is executed by processor.
The invention has the following advantages:
Directly object edge profile can be imaged, be had the advantages that directly in response to, quick response, in image procossing, height
Comparison micro-imaging, body surface defect or particle detections etc. are with a wide range of applications.
Below with reference to accompanying drawings, the present invention is described in further detail.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the schematic diagram of optical system disclosed by the embodiments of the present invention；
Fig. 2 is image space beam area distribution map disclosed by the embodiments of the present invention；
Fig. 3 is edge imaging example disclosed by the embodiments of the present invention；
Fig. 4 is the schematic diagram disclosed by the embodiments of the present invention that state switching is carried out to third device.
Specific embodiment
The embodiment of the present invention is described in detail below in conjunction with attached drawing, but the present invention can be defined by the claims
Implement with the multitude of different ways of covering.
Embodiment one
The present embodiment discloses a kind of optical system, comprising:
First device, for filtering out the linearly polarized photon of the first polarization direction from external incident light, and partially by first
The linearly polarized photon in vibration direction is output to the second device.
Second device, for the linearly polarized photon of the first incident polarization direction to be resolved into left circularly polarized light and dextrorotation
Circularly polarized light is simultaneously output to third device, and in the left-handed and two kinds of circularly polarized lights of dextrorotation exported, one kind is based on similar convex lens
Real focus assemble, a kind of virtual focus based on similar concavees lens dissipates；Or the left circularly polarized light and right-hand circular polarization of output
Light deflection angle is opposite.
Third device, at least with a kind of working condition with the centre to left circularly polarized light and right-circularly polarized light overlapping
Region light beam is intercepted and carries out light transmission to the left or right rotation circularly polarized light of edge Non-overlapping Domain.
Preferably, the present embodiment third device has the specific position of at least one corresponding first device to intercept the first polarization
The linearly polarized photon in direction；Wherein, the intermediate region Chong Die with right-circularly polarized light in left circularly polarized light, left circularly polarized light
It is interfered with right-circularly polarized light to restore the linearly polarized photon of the first polarization direction out.Specifically, first device can be
The linear polarization of first polarization direction, the third device can be the linear polarization of the second polarization direction, and the second polarization side
To perpendicular to the first polarization direction.
Optionally, second device of the present embodiment can be realized inclined to left-handed and two kinds of circles of dextrorotation by devices such as super lens
In vibration light, a kind of real focus convergence based on similar convex lens, a kind of virtual focus diverging based on similar concavees lens.It can also be by
The components such as polarization grating are opposite with right-circularly polarized light deflection angle come the left circularly polarized light for realizing output.In general, super
Mirror can be surpassed surface by metal or the super surface of medium is made；Wherein, super surface is a series of a kind of artificial micro-structure by sub-wavelengths
The ultra-thin two-dimension array plane of composition has and makes the characteristics such as relatively easy, relatively low, the small in size and thickness ultrathin of loss,
The Effective Regulation of the amplitude to electromagnetic wave, phase, communication mode, polarization state etc. may be implemented.
As shown in Figure 1, the embodiment of the present invention discloses a kind of specific example using above-mentioned optical system, in this example,
The optical system can be referred to as the optical edge imaging device based on super lens comprising linear polarization 3, super lens 4, with
The orthogonal linear polarization 5 in 3 polarization direction of linear polarization.In front of imaging device, it is additionally provided with lighting source 1 and illuminated
Object 2.Optionally, it between lighting source 1 and illuminated object 2 and after linear polarization device 5, is also provided with
Collimating mirror.
Object space light beam passes through linear polarization 3, becomes linearly polarized photon and is incident on super lens.The super lens will enter
Ray polarised light resolves into left circularly polarized light and right-circularly polarized light outgoing.The left circularly polarized light being wherein emitted is assembled, right
It should be dissipated in positive focal length, right-circularly polarized light, correspond to negative focal length.The positive negative focal length absolute value of super lens is very big, assemble and
Angle of divergence very little has a light intensity overlapping region in the right-circularly polarized light of the image space left circularly polarized light assembled and diverging.In
Light intensity overlapping region, left circularly polarized light and right-circularly polarized light interfere, and become linearly polarized light, and the linear polarization after interference
The polarization direction of light is identical as incident linearly polarized light direction of vibration, orthogonal with the polarization direction of linear polarization 5, light intensity not
Overlapping region, emergent light still keep circular polarization state (left or right rotation), as shown in Figure 2.Therefore light intensity overlapping region among
Light cannot penetrate linear polarization 5, and the circular polarization emergent light of edge light intensity not overlapping region will have the light energy of half can
To penetrate linear polarization 5.What is be finally emitted from linear polarization 5 is the picture of object edge.Such as Fig. 3, it is assumed that illuminated object 2
It is shape as shown in Figure 3, then object 2 is by after optical edge imaging system images, institute is at picture 6 in edge picture such as Fig. 3
It is shown.
Embodiment two
The present embodiment on the basis of example 1, is further improved.Specific improve is: in the first device and third
In device, at least one can be carried out position be switched so that position switching after realize: third device is to the first polarization direction
Linearly polarized photon carries out light transmission.
The optical system (or can be referred to as are as follows: edge imaging device) of embodiment two, including linear polarization 7, super lens 8,
And it is mounted on the linear polarization 9 in Rotatable mechanism.Such as Fig. 4, when linear polarization 9 is rotated to polarization direction and linear
When the polarization direction of polarizer 7 is orthogonal, the light of intermediate light intensity overlapping region cannot penetrate linear polarization 9, and edge light intensity
The light energy for having half can not penetrated linear polarization 9 by the circular polarization emergent light of overlapping region.Finally from linear polarization 9
What is be emitted is the picture of object edge, and the effect of device is identical as the function of embodiment one at this time.When linear polarization 9 is rotated to
When polarization direction is parallel with the polarization direction of linear polarization 7, the linearly polarized photon of light intensity overlapping region can also be through linear
Polarizer 9, at this time can be to observed objects at complete picture.As a result, the present embodiment two realize object complete imaging and edge at
The free switching of picture.
Embodiment three
Corresponding with optical system disclosed in above-mentioned two embodiment, the present embodiment discloses a kind of based on above-mentioned optical system
The edge contour extracting method of system, comprising:
Step S1, the parameter of the optical system is obtained.
In this step, the parameter between the optical system includes any one or any combination below: light beam wave
Spacing, the second device between long, the first device and the second device and the spacing between third device, in acquired image system
Spacing etc. between sensor and the third device.
Step S2, according to the parameter of the optical system and acquired image inner edge boundary line and outer boundary line computation position are combined
Substantive contour line between the inner edge boundary line and the outer boundary.
Example IV
Corresponding with embodiment three, the present embodiment discloses a kind of edge contour extraction system, including memory, processor
And the computer program that can be run on a memory and on a processor is stored, the processor executes the computer program
The step of Shi Shixian above method.
Embodiment five
Corresponding with embodiment three, the present embodiment discloses a kind of computer storage medium, is stored thereon with computer journey
Sequence realizes the step in the above method when described program is executed by processor.
To sum up, optical system, edge contour extracting method disclosed in the various embodiments described above institute of the present invention difference and system, meter
Calculation machine storage medium, has the advantages that
Directly object edge profile can be imaged, be had the advantages that directly in response to, quick response, in image procossing, height
Comparison micro-imaging, body surface defect or particle detections etc. are with a wide range of applications.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of optical system characterized by comprising
First device, for filtering out the linearly polarized photon of the first polarization direction from external incident light, and by the first polarization side
To linearly polarized photon be output to the second device；
Second device, for the linearly polarized photon of the first incident polarization direction to be resolved into left circularly polarized light and dextrorotation
Circularly polarized light is simultaneously output to third device, and in the left-handed and two kinds of circularly polarized lights of dextrorotation exported, one kind is based on similar convex lens
Real focus assemble, a kind of virtual focus based on similar concavees lens dissipates；Or the left circularly polarized light and right-hand circular polarization of output
Light deflection angle is opposite；
The third device, at least with a kind of working condition with the centre to left circularly polarized light and right-circularly polarized light overlapping
Region light beam is intercepted and carries out light transmission to the left or right rotation circularly polarized light of edge Non-overlapping Domain.
2. optical system according to claim 1, which is characterized in that the third device has at least one corresponding described the
The specific position of one device is to intercept the linearly polarized photon of the first polarization direction；
Wherein, the intermediate region Chong Die with right-circularly polarized light in left circularly polarized light, left circularly polarized light and right-hand circular polarization
Light is interfered to restore the linearly polarized photon of the first polarization direction out.
3. optical system according to claim 2, which is characterized in that first device is the linear of the first polarization direction
Polarizer, the third device is the linear polarization of the second polarization direction, and the second polarization direction is perpendicular to the first polarization side
To.
4. optical system according to claim 1,2 or 3, which is characterized in that in first device and the third device
In part, at least one can be carried out position be switched so that position switching after realize: the third device is to the first polarization direction
Linearly polarized photon carry out light transmission.
5. optical system according to claim 1 or 2, which is characterized in that further include setting in external light source and described the
The first collimating mirror between one device, and/or including the second collimating mirror after the third device outgoing beam is arranged in.
6. optical system according to claim 1 or 2, which is characterized in that the optical system is applied to edge contour
Imaging.
7. a kind of edge contour extracting method based on the optical system as described in claim 1 to 6 is any, which is characterized in that packet
It includes:
Obtain the parameter of the optical system；
It is located at the inner edge according to the parameter of the optical system and in conjunction with acquired image inner edge boundary line and outer boundary line computation
Substantive contour line between boundary line and the outer boundary.
8. the method according to the description of claim 7 is characterized in that the parameter between the optical system includes below any
A kind of or any combination:
Light beam wavelength；
Spacing between first device and the second device；
Spacing between second device and third device；
Spacing in acquired image system between sensor and the third device.
9. a kind of edge contour extraction system, including memory, processor and storage are on a memory and can be on a processor
The computer program of operation, which is characterized in that the processor realized when executing the computer program the claims 7 or
The step of 8 the method.
10. a kind of computer storage medium, is stored thereon with computer program, which is characterized in that described program is held by processor
The step in the claims 7 or 8 the methods is realized when row.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910674469 | 2019-07-25 | ||
| CN2019106744696 | 2019-07-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110456520A true CN110456520A (en) | 2019-11-15 |
| CN110456520B CN110456520B (en) | 2023-09-15 |
Family
ID=68483706
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921199073.2U Withdrawn - After Issue CN210348084U (en) | 2019-07-25 | 2019-07-29 | Optical system |
| CN201910686824.1A Active CN110456520B (en) | 2019-07-25 | 2019-07-29 | Optical system, edge contour extraction method and system, and computer storage medium |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921199073.2U Withdrawn - After Issue CN210348084U (en) | 2019-07-25 | 2019-07-29 | Optical system |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN210348084U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112984456A (en) * | 2019-12-02 | 2021-06-18 | Sl株式会社 | Optical lens and lighting device using same |
| CN113189783A (en) * | 2021-04-14 | 2021-07-30 | 深圳市麓邦技术有限公司 | Optical system and liquid crystal moire lens |
| CN113655548A (en) * | 2021-07-08 | 2021-11-16 | 湖南大学 | Optical edge detection design method and device based on super-structured surface |
| CN115439422A (en) * | 2022-08-21 | 2022-12-06 | 哈尔滨理工大学 | Two-dimensional space differential operation and image edge detection method and device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210348084U (en) * | 2019-07-25 | 2020-04-17 | 深圳市麓邦技术有限公司 | Optical system |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5076693A (en) * | 1989-07-05 | 1991-12-31 | Brother Kogyo Kabushiki Kaisha | Optical contour measuring apparatus |
| US20090040602A1 (en) * | 2005-04-01 | 2009-02-12 | University Of Rochester | Polarization Converter, Optical system, Method and Applications |
| US20150002934A1 (en) * | 2012-02-08 | 2015-01-01 | Saitama Medical University | Axially symmetric polarization conversion element |
| CN105229499A (en) * | 2013-03-13 | 2016-01-06 | 北卡罗莱纳州立大学 | There is the polarization conversion system of geometric phase hologram |
| JP2016116016A (en) * | 2014-12-12 | 2016-06-23 | 国立研究開発法人情報通信研究機構 | Broadband circular polarized antenna |
| EP3070641A1 (en) * | 2015-03-11 | 2016-09-21 | Ricoh Company, Ltd. | Imaging system, image processing system, light projection device, and object detection method |
| US20190045104A1 (en) * | 2017-08-02 | 2019-02-07 | Toshiba Tec Kabushiki Kaisha | Article image capturing apparatus |
| CN109375397A (en) * | 2018-12-12 | 2019-02-22 | 浙江理工大学 | A kind of range-measurement system of the orthogonal circular polarizations light based on vector vortex beams |
| CN210348084U (en) * | 2019-07-25 | 2020-04-17 | 深圳市麓邦技术有限公司 | Optical system |
-
2019
- 2019-07-29 CN CN201921199073.2U patent/CN210348084U/en not_active Withdrawn - After Issue
- 2019-07-29 CN CN201910686824.1A patent/CN110456520B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5076693A (en) * | 1989-07-05 | 1991-12-31 | Brother Kogyo Kabushiki Kaisha | Optical contour measuring apparatus |
| US20090040602A1 (en) * | 2005-04-01 | 2009-02-12 | University Of Rochester | Polarization Converter, Optical system, Method and Applications |
| US20150002934A1 (en) * | 2012-02-08 | 2015-01-01 | Saitama Medical University | Axially symmetric polarization conversion element |
| CN105229499A (en) * | 2013-03-13 | 2016-01-06 | 北卡罗莱纳州立大学 | There is the polarization conversion system of geometric phase hologram |
| JP2016116016A (en) * | 2014-12-12 | 2016-06-23 | 国立研究開発法人情報通信研究機構 | Broadband circular polarized antenna |
| EP3070641A1 (en) * | 2015-03-11 | 2016-09-21 | Ricoh Company, Ltd. | Imaging system, image processing system, light projection device, and object detection method |
| US20190045104A1 (en) * | 2017-08-02 | 2019-02-07 | Toshiba Tec Kabushiki Kaisha | Article image capturing apparatus |
| CN109375397A (en) * | 2018-12-12 | 2019-02-22 | 浙江理工大学 | A kind of range-measurement system of the orthogonal circular polarizations light based on vector vortex beams |
| CN210348084U (en) * | 2019-07-25 | 2020-04-17 | 深圳市麓邦技术有限公司 | Optical system |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112984456A (en) * | 2019-12-02 | 2021-06-18 | Sl株式会社 | Optical lens and lighting device using same |
| CN113189783A (en) * | 2021-04-14 | 2021-07-30 | 深圳市麓邦技术有限公司 | Optical system and liquid crystal moire lens |
| CN113655548A (en) * | 2021-07-08 | 2021-11-16 | 湖南大学 | Optical edge detection design method and device based on super-structured surface |
| CN115439422A (en) * | 2022-08-21 | 2022-12-06 | 哈尔滨理工大学 | Two-dimensional space differential operation and image edge detection method and device |
| CN115439422B (en) * | 2022-08-21 | 2023-03-28 | 哈尔滨理工大学 | Two-dimensional space differential operation and image edge detection method and device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN210348084U (en) | 2020-04-17 |
| CN110456520B (en) | 2023-09-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110456520A (en) | Optical system, edge contour extracting method and system, computer storage medium | |
| CN105784653B (en) | A kind of wide field super-resolution fluorescence microscopic imaging device | |
| CN105929560A (en) | Broadband far field super-resolution imaging apparatus | |
| US9503660B2 (en) | Coordinated simultaneous real and Fourier plane imaging system and methods | |
| US9753265B2 (en) | Variable orientation illumination-pattern rotator | |
| US20200209604A1 (en) | Programmable annular led illumination-based high efficiency quantitative phase microscopy imaging method | |
| US8405059B2 (en) | Method and apparatus for improving the resolution and/or sectioning ability of an imaging system | |
| Bertero et al. | Three‐dimensional image restoration and super‐resolution in fluorescence confocal microscopy | |
| CN106124468B (en) | A kind of super-resolution fluorescence microscopy method and device based on photoactivation and Structured Illumination | |
| EP3032312B1 (en) | Confocal scanner and confocal microscope | |
| Wicker et al. | Single-shot optical sectioning using polarization-coded structured illumination | |
| US20070268794A1 (en) | Beam splitter configuration | |
| CN109709683B (en) | Device and method for generating space diffraction invariant square array vector light beam by using two-dimensional grating | |
| Vedaldi et al. | Computer Vision–ECCV 2020: 16th European Conference, Glasgow, UK, August 23–28, 2020, Proceedings, Part II | |
| CN110221444A (en) | Imaging system | |
| US9454004B2 (en) | Apparatus for coherent beam combining in an array of laser collimators | |
| CN111207910B (en) | Spliced mirror common-phase error correction method based on dispersion fringe slope analysis | |
| Cossairt et al. | Digital refocusing with incoherent holography | |
| JP2022524923A (en) | Imaging systems and methods via scattering media | |
| CN107688236B (en) | Roll over shaft type astronomical telescope pupil and spectrograph slit monitoring method and its equipment | |
| WO2021191717A1 (en) | Single-shot astigmatic phase retrieval laser wavefront sensor and method | |
| KR20210084035A (en) | A polarized holographic microscope system and sample image acquisition method using the same | |
| Hsieh et al. | The influence of phase mask position upon EDoF system | |
| CN114815277B (en) | Method and device for realizing tight focusing of light field based on ultrathin plane structure | |
| JP2021507321A (en) | Systems and methods for focal angle-spatial illuminant / detector (FASID) design for improved refractive index distributed lenses |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |