CN101256275B - Microminiaturization co-image face panoramic imagery technique - Google Patents
Microminiaturization co-image face panoramic imagery technique Download PDFInfo
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- CN101256275B CN101256275B CN2008100526401A CN200810052640A CN101256275B CN 101256275 B CN101256275 B CN 101256275B CN 2008100526401 A CN2008100526401 A CN 2008100526401A CN 200810052640 A CN200810052640 A CN 200810052640A CN 101256275 B CN101256275 B CN 101256275B
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Abstract
A microminiaturized common image surface panorama imaging technique, wherein aspheric imaging lens and corner cube mirror constitute four identical imaging optical path rack and vertically fixed. The number of divided image surfaces by image surface coupler is same to the number of divided image surfaces by aspheric imaging lens and corner cube mirror. The three-dimensional space scene information obtained by aspheric imaging lens and corner cube mirror arrives the image surface coupler by the imaging optical path rack and the imaging surface of imaging device is divided into four same imaging areas in four quadrant using image surface coupler and the four path scene information synchronizes one path to image on the four imaging areas of image surface. Four images on the image surface respectively correspond space scene information on the four direction and are subjected to character matching and image mosaicking based on the overlap area between the two adjacent scene images, in order to obtain a intact space panoramic image. The invention has features of identical linearity, good resolution and real time performance, small aberrance, microminiaturization, particularly suitable for application with higher microminiaturization requirement.
Description
Technical field
The invention belongs to optical image technology, be specifically related to a kind of imaging technique that utilizes image planes to cut apart and be total to image planes formation method realization microminaturization panorama.
Technical background
Along with the development of imageing sensor and image processing techniques, many fields all need to space all directions scene real-time omnidirectional imaging, as security monitoring, panorama Target Recognition etc.Rotary splicing, fish-eye lens and catadioptric mirror are the main method of present panoramic imaging techniques.Wherein the rotary splicing method can make each width of cloth image resolution ratio height, and the resolution of the whole panoramic picture in splicing back is also than higher, and pattern distortion is little, but needs accurate rotating mechanism, and real-time is not strong; The fish-eye lens method is super wide-angle lens, can obtain the image of big visual field, but the image that obtains need carry out additional corrections by algorithm, and pattern distortion is big; The refractive and reflective panorama method can make the multiple reflection plane system in the imaging system obtain bigger visual field, and reflecting surface and plane of refraction integrate, and system is less, and compact conformation is easy to realize miniaturization and integrated, and shortcoming is that the optical texture design is complicated.Therefore, seek and a kind ofly to have that linear resolution is higher, real-time, distortion panoramic imaging techniques little and the microminaturization technical characterictic has very important significance.At the existing defective of present panoramic imagery, the image planes that have microminiature optical element combination architectural feature that the present invention proposes are cut apart common image planes imaging technique, can make problem obtain satisfied solution.
Summary of the invention
It is less to the purpose of this invention is to provide a kind of system, the microminiaturizationco co-image face panoramic imagery technique of compact conformation.
The present invention is achieved by following proposal.Microminiaturizationco co-image face panoramic imagery technique has: image device 1, glass are masked 2, aspheric surface imaging lens 3, corner cube mirror 4, imaging optical path frame 5, image planes coupling mechanism 6 etc., and the receiving plane of image device is covered with glass masked (with reference to Fig. 1).Form four identical imaging optical path framves 5 and vertical fixing by aspheric surface imaging lens 3 and corner cube mirror 4; Constitute imaging optical path by aspheric surface imaging lens 3, corner cube mirror 4 and imaging optical path frame 5.The plane of incidence of the end face of aspheric surface imaging lens 3 and corner cube mirror 4 joins; The top of the exit facet of corner cube mirror 4 and imaging optical path frame 5 joins; The bottom of imaging optical path frame 5 and image planes coupling mechanism join; And the axis of imaging optical path frame 5 is perpendicular to the image planes of image planes coupling mechanism 6.The quantity that image planes coupling mechanism 6 is cut apart image planes is identical with the quantity that adopts aspheric surface imaging lens 3 and corner cube mirror 4.The three dimensions scene information that is obtained by aspheric surface imaging lens 3 and corner cube mirror 4 arrives image planes coupling mechanism 6 by imaging optical path frame 5, the splicing that the image planes coupling mechanism is divided into four image planes with the image planes of image device 1 and does common image planes image is handled, and obtains annular panoramic image or hemisphere space panoramic picture.Image planes are cut apart common image planes imaging and can be adopted different image planes to cut apart quantity as required, cutting apart common image planes imaging, six as four cuts apart common image planes imaging, nine and cuts apart common image planes imaging, be aspheric surface imaging lens 3 and the number of corner cube mirror 4 compositions and the quantity Matching of imaging optical path frame, can be 4,6 or 9.And the focal length of aspheric lens 3 can be identical also can be inequality; The size of carrying out the image planes cut zone by image planes coupling mechanism 6 can equate also can be unequal.When adopting the same focal length, the common image planes image that obtains has linear consistent resolution, can be used for image mosaic and obtains panoramic picture; When adopting different focal, the common image planes image that obtains can be used for realizing that the expansion of many visual fields shows.With the panoramic imagery device with four imaging optical path framves 5 is example, its principle is: three-dimensional scene information sees through aspheric surface imaging lens 3 and corner cube mirror 4, arrive image planes coupling mechanism 6 by four imaging optical path framves 5, utilize image planes coupling mechanism 6 that the image planes of image device 1 are divided into the imaging region that four-quadrant four block sizes equate, and four road scene informations synthetic a tunnel are imaged onto on four imaging regions of image planes, promptly image planes are cut apart common image planes imaging.Scene information on the image planes on the four direction of the corresponding space of four width of cloth images difference carries out characteristic matching, image mosaic processing according to the overlapping region between the adjacent scene image, just can obtain a complete space panoramic picture.
Description of drawings
Accompanying drawing 1 is a structure principle chart of the present invention.
Accompanying drawing 2 is to cut apart common image planes imaging synoptic diagram with the spatial scene one frame image planes that the phase parfocal obtains.
The splicing that the frame image planes that 3 pairs in accompanying drawing obtains are cut apart common image planes image launches synoptic diagram.
Embodiment
Below also the present invention will be further described in conjunction with the embodiments by accompanying drawing.
As shown in Figure 1: adopt four imaging optical path framves 5, the focal length of aspheric surface imaging lens 3 is the same focal length, i.e. f1=f2=f3=f4=12mm.Adjust aspheric surface imaging lens direction and point to the front, rear, left and right four direction, obtain four width of cloth image planes and cut apart common image planes image (as Fig. 2), adopt the cylindrical surface projecting model that four width of cloth image planes of obtaining are cut apart common image planes image and carry out geometry correction, utilize the overlapping region between the adjacent image to carry out the characteristic information extraction then, characteristic information can be edge and angle point, characteristic informations such as edge that utilization is extracted and angle point are determined displacement and the relative rotary motion relation between two images, just can realize the splicing of adjacent two width of cloth images according to this kinematic relation.After the said process processing, just can obtain a width of cloth annular panoramic image, promptly a width of cloth is around the endless belt image (Fig. 3 is an endless belt image stretching synoptic diagram) of level 360 degree.The foregoing description explanation is obtained image planes and is cut apart common image planes image by adjusting the focal length and the direction of aspheric surface imaging lens 3, by it is spliced, can obtain the annular panoramic image.The direction of panoramic picture visual field can be determined by the direction of changing prism and adjustment aspheric surface imaging lens, promptly can realize the annular panoramic imaging by adjusting, and also can realize hemisphere space panoramic imagery.
The invention has the advantages that: splice utilizing image planes to cut apart the image that common image planes formation method obtains (1), the panoramic picture that obtains has linear consistent resolution ratio, pattern distortion little (2) is only spliced common image planes image, do not need to process sequence image, real-time is good, the panoramic imagery (3) that can realize the high speed frame per second can obtain by the direction of changing prism and adjusting the aspheric surface imaging lens that panoramic picture (4) structure of different directions is light and handy, volume is little, is specially adapted to the microminiature application scenario of having relatively high expectations.
Claims (2)
1. microminiaturizationco co-image face panoramic imagery device, has image device (1), glass masked (2), aspheric surface imaging lens (3), corner cube mirror (4), imaging optical path frame (5), image planes coupling mechanism (6), the receiving plane of image device (1) is covered with glass masked (2), it is characterized in that the end face of aspheric surface imaging lens (3) and the plane of incidence of corner cube mirror (4) join, the top of the exit facet of corner cube mirror (4) and imaging optical path frame (5) joins, the bottom of imaging optical path frame (5) and image planes coupling mechanism (6) join, by aspheric surface imaging lens (3), corner cube mirror (4) constitutes four identical imaging optical paths with imaging optical path frame (5) and is fixed in image planes coupling mechanism (6), and the axis of imaging optical path frame (5) is perpendicular to the image planes of image planes coupling mechanism (6), the quantity that image planes coupling mechanism (6) is cut apart image planes is identical with the quantity that adopts aspheric surface imaging lens (3) and corner cube mirror (4), the three dimensions scene information that is obtained by aspheric surface imaging lens (3) and corner cube mirror (4) arrives image planes coupling mechanisms (6) by imaging optical path frame (5), the splicing that the image planes coupling mechanism is divided into four image planes with the image planes of image device (1) and does common image planes image is handled, and obtains annular panoramic image or hemisphere space panoramic picture.
2. microminiaturizationco co-image face panoramic imagery device according to claim 1 is characterized in that the described number of being made up of aspheric surface imaging lens (3) and corner cube mirror (4) and the quantity Matching of imaging optical path frame, is 4,6 or 9.
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| CN101930161B (en) * | 2009-08-28 | 2014-06-18 | 杭州普维光电技术有限公司 | Method and device for adjusting panorama imaging as well as panorama imaging device |
| CN103581533B (en) * | 2012-08-07 | 2019-01-15 | 联想(北京)有限公司 | A kind of method and electronic equipment acquiring image information |
| CN103945103B (en) * | 2013-01-17 | 2017-05-24 | 成都国翼电子技术有限公司 | Multi-plane secondary projection panoramic camera image distortion elimination method based on cylinder |
| CN109478011A (en) * | 2015-11-03 | 2019-03-15 | 沈兆龙 | Method and apparatus for panoramic imagery |
| CN105704357B (en) * | 2016-03-30 | 2019-05-14 | 沈阳泰科易科技有限公司 | Lens module and filming apparatus with it |
| CN106713741B (en) * | 2016-11-16 | 2020-09-25 | 深圳六滴科技有限公司 | Panoramic video quality diagnosis method and device |
| CN106791395A (en) * | 2016-12-20 | 2017-05-31 | 暴风集团股份有限公司 | The hemisphere face player method and system of video |
| CN106851201A (en) * | 2017-02-09 | 2017-06-13 | 苏州慧景光电科技有限公司 | Vehicle-mounted panoramic image system and its scaling method based on fibre optic image transmission technology |
| CN107395957B (en) * | 2017-06-30 | 2019-12-10 | Oppo广东移动通信有限公司 | Photographing method and device, storage medium and electronic equipment |
| CN107452053B (en) * | 2017-07-27 | 2020-06-26 | 中国科学技术大学 | Panoramic imaging system of micro-size object and implementation method thereof |
| CN108803014A (en) * | 2018-05-30 | 2018-11-13 | 天津煋鸟科技有限公司 | It is a kind of based on the imaging optical system for looking around lens |
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