CN109188659A - A kind of double omnidirectional imaging systems of flake-reflexed and method - Google Patents
A kind of double omnidirectional imaging systems of flake-reflexed and method Download PDFInfo
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- CN109188659A CN109188659A CN201811233447.8A CN201811233447A CN109188659A CN 109188659 A CN109188659 A CN 109188659A CN 201811233447 A CN201811233447 A CN 201811233447A CN 109188659 A CN109188659 A CN 109188659A
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- Prior art keywords
- lens
- flake
- imaging
- reflexed
- double
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/06—Panoramic objectives; So-called "sky lenses" including panoramic objectives having reflecting surfaces
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B17/00—Systems with reflecting surfaces, with or without refracting elements
- G02B17/08—Catadioptric systems
Abstract
The present invention relates to protection and monitor fields, more particularly to a kind of double omnidirectional imaging systems of flake-reflexed and method, the advantages of using for reference fish eye lens and catadioptric omnidirectional imaging system principle, opens break full shot technology and organization plan, i.e. the double full shots of flake-reflexed.Its structure consists of two parts, i.e. flake imaging system and catadioptric imaging system, realizes miniaturized structure with this configuration, can scale multiplying power but also obtain panoramic picture, to improve the ability that environmental change moment is imaged in camera lens.
Description
Technical field
The present invention relates to protection and monitor fields, combine more particularly to a kind of fish eye lens with fold-type full shot
Double omnidirectional imaging systems and method.
Background technique
With the fast development of image sensing technology and image processing techniques, more and more monitoring place needs to use big view
Field picture can be covered entire monitoring area with a monitoring；Can individual objects be amplified with monitoring again simultaneously, especially
Square this kind densely populated place region；Therefore multiplying power can be scaled while obtaining big view field image by full shot again and is monitored
Already become a big hot spot of safety-security area development instantly.
Existing panoramic technique generallys use fish-eye lens and panoramic mosaic technology.It is fish-eye lens first, i.e. ultra-wide angle object
Mirror, for ultra-wide angle object lens due to there is very short focal length, usual focal length is less than 16mm, therefore can obtain close to hemisphere or be greater than partly
The full-view visual field of ball.Followed by splicing is put several full shots at an angle, the figure of obtained different directions
It is seamless spliced as being carried out by software, to obtain the image of big visual field.In this kind of region for needing large-range monitoring in square, show
The right above panoramic technique can obtain big view field image, but have the shortcomings that one it is common --- can only under a multiplying power work
Make, i.e., can not scale multiplying power and be monitored.
Certainly in this kind of region in square, also there are the monitoring device that can scale multiplying power observation, such as high point heavy duty.Due to square
Farther out, therefore heavy duty needs very big multiplying power and carrys out work distance, this is allowed for, and focal length is elongated, and device body becomes very long；Instead
This problem of dioptric imaging system very good solution, catadioptric imaging follow plane cylindrical projection, and the vanishing point of image is no longer
Straight line, but a point, system are that reflecting surface is added before conventional imaging systems to achieve the purpose that conic projection, are passed through
It crosses well-designed, its fuselage length can be made to be less than the pure refraction type system of central projection method of following.In contrast, catadioptric
The areas imaging for penetrating imaging system can compare limitation.
Therefore, in this kind of region for needing big view field image that zoom is needed to observe again in square, how big visual field is being obtained
Zoom observation is carried out simultaneously, is a urgent problem.
Summary of the invention
The purpose of the present invention is to propose to a kind of double omnidirectional imaging systems of flake-reflexed and methods, to solve in the prior art
Full shot can not zoom, big multiplying power camera lens need big focal length, the problem that fuselage needs to grow very much.
The invention is realized by the following technical scheme:
A kind of double omnidirectional imaging systems of flake-reflexed, consist of two parts, i.e. flake imaging system and catadioptric panorama
Imaging system, including concavees lens (2), convex lens (3), focusing lens group (4) and fish eye lens (5)；Wherein, complete in catadioptric
In scape imaging system, concavees lens (2) form reflecting surface, shape on the part of the image interface in the lens being recessed towards object space
At the image interface of concavees lens (2), convex lens (3) forms reflection table on the object side surface in the lens towards image space protrusion
Face forms the object side surface of convex lens (3), has positive refractive power.
Preferably, which is characterized in that in flake imaging system, using fish eye lens (5) direct imaging.
Preferably, further include the first camera lens (1), through the first camera lens (1) light by convex lens (3) be reflected into it is recessed
On mirror (2).
Preferably, the light for being reflected into concavees lens (2) is reflected into focusing lens group (4) via concavees lens (2) again, is being imaged
It is imaged on plate.
Preferably, fish eye lens (5) is built between the first camera lens (1) and concavees lens (2).
The invention also includes a kind of double method for panoramic imaging of flake-reflexed comprising flake imaging and catadioptric panorama
Imaging, wherein in refractive and reflective panorama imaging, the part of image interface of the concavees lens (2) in the lens being recessed towards object space
Upper formation reflecting surface forms the image interface of concavees lens (2), object space of the convex lens (3) in the lens towards image space protrusion
Reflecting surface is formed on surface, forms the object side surface of convex lens (3), and there is positive refractive power.
Preferably, in flake imaging, using fish eye lens (5) direct imaging.
Preferably, it is reflected on concavees lens (2) through the light of the first camera lens (1) by convex lens (3).
Preferably, the light for being reflected into concavees lens (2) is reflected into focusing lens group (4) via concavees lens (2) again, is being imaged
It is imaged on plate.
Preferably, flake imaging and catadioptric imaging be combined with each other, and minimize camera lens, enlargement ratio carries out target
Tracking.
Compared with prior art, the present invention at least has the following beneficial effects or advantage:
The double omnidirectional imaging system of this flake-reflexed provided by the invention and method, avoid full shot can not zoom,
Big multiplying power camera lens needs big focal length, and fuselage needs to grow very much, i.e. the property the taken into account problem of areas imaging and structure size, and realization finishes
Structure miniaturization can scale multiplying power but also obtain panoramic picture, to improve the ability that environmental change moment is imaged in camera lens.
Detailed description of the invention
The present invention is described in further details below with reference to attached drawing；
Fig. 1 is catadioptric imaging system schematic diagram of the invention；
Fig. 2 is flake imaging schematic diagram of the invention；
Fig. 3 is the double full shot schematic diagrams of flake-reflexed of the invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on this hair
Embodiment in bright, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
In order to make full shot miniaturization that can obtain big visual field again, the present invention use for reference fish eye lens and catadioptric panorama at
As the advantages of system principle, break full shot technology and organization plan are opened, i.e. the double full shots of flake-reflexed.It is tied
Structure consists of two parts, i.e. flake imaging system and catadioptric imaging system.
It is described below the effect and advantage of the double full shots of this example flake-reflexed:
Firstly, in catadioptric omnidirectional imaging system, most important two component concavees lens 2 and convex lens 3, such as Fig. 1；It is recessed
Lens 1 form reflecting surface on the part of the image interface in the lens being recessed towards object space, form the image space table of concavees lens 2
Face, convex lens 3 form reflecting surface on the object side surface in the lens towards image space protrusion, form the object space table of convex lens 3
Face has positive refractive power.This feature to possess enough freedom degrees when correcting the aberration of concavees lens 2 and convex lens 3.
Be reflected on concavees lens 2 through the light of camera lens 1 by convex lens 3, then be reflected into focusing lens group 4 via concavees lens 2, at
As being imaged on plate.
Secondly, in flake imaging system, such as Fig. 2, using 5 direct imaging of fish eye lens；Fish eye lens is built in camera lens 1
Between concavees lens 2, due to being between the two imaging blind area, fish eye lens is built-in to will not influence imaging on this position.
Fish-eye field range is big, and catadioptric imaging system can reduce package size, minimizes camera lens, times magnification
Rate tracks target, and the two is combined with each other, and compensates for respective disadvantage, better meets use demand, such as Fig. 3.But
This technical solution is still defective, and panorama picture of fisheye lens plate needs wiring to come out, this just influences whether catadioptric panoramic imagery system
The imaging of system makes one section of black line occur in its imaging, influences image quality, this is also the subsequent technical point for needing to improve and optimizate.
Particular embodiments described above has carried out further in detail the purpose of the present invention, technical scheme and beneficial effects
Describe in detail it is bright, it should be understood that the above is only a specific embodiment of the present invention, the guarantor being not intended to limit the present invention
Protect range.Without departing from the spirit and scope of the invention, any modification, equivalent substitution, improvement and etc. done also belong to this
Within the protection scope of invention.
Claims (10)
1. a kind of double omnidirectional imaging systems of flake-reflexed, consist of two parts, i.e., flake imaging system and catadioptric panorama at
As system, including concavees lens (2), convex lens (3), focusing lens group (4) and fish eye lens (5)；It is characterized in that, catadioptric
It penetrates in omnidirectional imaging system, concavees lens (2) form reflection table on the part of the image interface in the lens being recessed towards object space
Face, forms the image interface of concavees lens (2), and convex lens (3) is formed instead on the object side surface in the lens towards image space protrusion
Reflective surface forms the object side surface of convex lens (3), has positive refractive power.
2. the double omnidirectional imaging systems of flake-reflexed according to claim 1, which is characterized in that in flake imaging system,
Using fish eye lens (5) direct imaging.
3. the double omnidirectional imaging systems of flake-reflexed according to claim 1, which is characterized in that further include the first camera lens
(1), it is reflected on concavees lens (2) through the light of the first camera lens (1) by convex lens (3).
4. the double omnidirectional imaging systems of flake-reflexed according to claim 3, which is characterized in that be reflected into concavees lens (2)
Light is reflected into focusing lens group (4) via concavees lens (2) again, is imaged on imaging plate.
5. the double omnidirectional imaging systems of flake-reflexed according to claim 2, which is characterized in that fish eye lens (5) is built in
Between first camera lens (1) and concavees lens (2).
6. a kind of double method for panoramic imaging of flake-reflexed comprising flake imaging and catadioptric panoramic imagery, feature exist
In in refractive and reflective panorama imaging, concavees lens (2) are formed instead on the part of the image interface in the lens being recessed towards object space
Reflective surface forms the image interface of concavees lens (2), convex lens (3) shape on the object side surface in the lens towards image space protrusion
At reflecting surface, the object side surface of convex lens (3) is formed, there is positive refractive power.
7. the double method for panoramic imaging of flake-reflexed according to claim 6, which is characterized in that in flake imaging, use
Fish eye lens (5) direct imaging.
8. the double method for panoramic imaging of flake-reflexed according to claim 6, which is characterized in that through the first camera lens (1)
Light is reflected on concavees lens (2) by convex lens (3).
9. the double method for panoramic imaging of flake-reflexed according to claim 7, which is characterized in that be reflected into concavees lens (2)
Light is reflected into focusing lens group (4) via concavees lens (2) again, is imaged on imaging plate.
10. the double method for panoramic imaging of flake-reflexed according to claim 6, which is characterized in that flake imaging and reflexed
It penetrates imaging to be combined with each other, minimizes camera lens, enlargement ratio tracks target.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811233447.8A CN109188659A (en) | 2018-10-23 | 2018-10-23 | A kind of double omnidirectional imaging systems of flake-reflexed and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811233447.8A CN109188659A (en) | 2018-10-23 | 2018-10-23 | A kind of double omnidirectional imaging systems of flake-reflexed and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111722256A (en) * | 2020-07-01 | 2020-09-29 | 南京理工大学 | Ultra-high precision positioning sensor combining GPS positioning with panoramic imaging map matching |
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| CN1585907A (en) * | 2001-11-13 | 2005-02-23 | 松下电器产业株式会社 | Wide-angle imaging optical system, and wide-angle imaging device, monitoring imaging device, on-vehicle imaging device, and projection device with the wide-angle imaging optical system |
| CN102508354A (en) * | 2011-10-27 | 2012-06-20 | 浙江大学 | Device and method of using panorama zone lens for achieving panorama telescopic combination imaging |
| CN103995343A (en) * | 2014-05-23 | 2014-08-20 | 北京理工大学 | Refractive-reflective splicing type wide-angle lens |
| CN105917254A (en) * | 2014-01-14 | 2016-08-31 | 三星电子株式会社 | Bifocal lens and imaging device including same |
-
2018
- 2018-10-23 CN CN201811233447.8A patent/CN109188659A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1585907A (en) * | 2001-11-13 | 2005-02-23 | 松下电器产业株式会社 | Wide-angle imaging optical system, and wide-angle imaging device, monitoring imaging device, on-vehicle imaging device, and projection device with the wide-angle imaging optical system |
| CN102508354A (en) * | 2011-10-27 | 2012-06-20 | 浙江大学 | Device and method of using panorama zone lens for achieving panorama telescopic combination imaging |
| CN105917254A (en) * | 2014-01-14 | 2016-08-31 | 三星电子株式会社 | Bifocal lens and imaging device including same |
| CN103995343A (en) * | 2014-05-23 | 2014-08-20 | 北京理工大学 | Refractive-reflective splicing type wide-angle lens |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111722256A (en) * | 2020-07-01 | 2020-09-29 | 南京理工大学 | Ultra-high precision positioning sensor combining GPS positioning with panoramic imaging map matching |
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Application publication date: 20190111 |