CN105120177A - Panoramic image acquiring device - Google Patents
Panoramic image acquiring device Download PDFInfo
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- CN105120177A CN105120177A CN201510600697.0A CN201510600697A CN105120177A CN 105120177 A CN105120177 A CN 105120177A CN 201510600697 A CN201510600697 A CN 201510600697A CN 105120177 A CN105120177 A CN 105120177A
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- eye lens
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- imageing sensor
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- panoramic picture
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- 230000003287 optical effect Effects 0.000 claims abstract description 19
- 238000003384 imaging method Methods 0.000 claims description 19
- 230000007704 transition Effects 0.000 claims description 3
- 238000013480 data collection Methods 0.000 abstract 1
- 238000012805 post-processing Methods 0.000 abstract 1
- 230000000007 visual effect Effects 0.000 description 14
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- 238000010586 diagram Methods 0.000 description 3
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- 239000000428 dust Substances 0.000 description 1
- 230000004438 eyesight Effects 0.000 description 1
- 230000004313 glare Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
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- 230000001360 synchronised effect Effects 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
Abstract
The invention discloses a panoramic image acquiring device. The device comprises two fish eye lens modules, an image sensor and a signal transmitting line. The optical axes of the fish eye lens modules overlap with each other and the fish eye lens modules are oppositely arranged at two ends of the same optical axis; a prism is arranged at the center of a connecting line connecting the optical centers of the two fish eye lens modules. The image sensor is arranged below the prism. With the panoramic image acquiring device, complete unification of image qualities and complete synchronization of images of different fields in a panoramic image can be realized. As only one video output channel is adopted, the data collection task and panoramic splicing task in post-processing of a panoramic image can be greatly simplified, and therefore, difficulty and cost are reduced. Further, the number of image sensor chips and the number of lenses are reduced, and the cost of an image acquiring system is reduced. Images obtained from the device are higher in quality and image quality is more stable.
Description
Technical field
The present invention relates to a kind of panoramic picture acquisition technique, particularly relate to one and realize whole day ball panoramic picture acquisition and process.
Background technology
At present, widely used panoramic picture harvester is collected respectively by the image in the different angles visual field by the transducer of multichannel, need the imageing sensor of at least two-way, main flow uses two-way, three tunnels, four tunnels, five tunnels, the even more acquisition panoramic pictures in six tunnels.Cover in the multichannel angle of view and be greater than 360 degree of visuals field, although the image of panorama also can be collected, but owing to being the image independently gathered with the transducer that polylith is different in the different visual field, the difference of the photosensitive parameter of polylith sensor chip, often there is the image that different sensors collects and there is colour temperature, the bright dark difference waiting imaging effect, in addition the picture signal collected due to polylith sensor chip can not well be accomplished synchronously, also can cause the object for same motion, attitude in the imaging of different transducers, the nonsynchronous situation in position occurs.
Simultaneously, multisensor application requires higher to the picture processing chip of rear end, not only require video input and the picture synchronization of at least supporting two-way, and the indexs such as hardware interface, driving, computing capability are also had higher requirements, the cost of such processor is general higher on the market at present, development difficulty and cost are also higher, be difficult to and existing image processing module with the use of; Module needs multiple transducer and camera lens simultaneously, adds the cost of additional modules.
Summary of the invention
The present invention discloses a kind of panoramic picture harvester according to the deficiencies in the prior art.The present invention is in order to the imaging image quality overcoming multiple sensor panoramic picture harvester there are differences, picture is asynchronous, cost is higher defect, a kind of panoramic picture harvester of single-sensor is provided, apparatus of the present invention only need a slice sensor chip that realization just can be made the collection of panoramic picture, significantly reduce cost and overcome the lacuna of different sensors imaging difference.
The present invention is achieved through the following technical solutions:
Panoramic picture harvester, comprises fish eye lens module, imageing sensor and signal transmssion line, it is characterized in that:
Described fish eye lens module has two groups, and its optical axis is overlapped, is oppositely disposed in same optical axis two ends, and the center of two groups of fish eye lens module photocentre lines is provided with prism, has the imageing sensor simultaneously gathering two fish eye lens module imagings below prism.
Described fish eye lens module is made up of multi-disc lens, and the angle of view is greater than 180 degree.
Described two fish eye lens modules, prism and imageing sensor are arranged symmetrically with along the perpendicular bisector of two arrangement of mirrors head lines.
Described imageing sensor is ccd image sensor or cmos image sensor.
The normal angle at 45 ° in described optical axis and prismatic reflection face.
The panorama of this patent indication, refers to 360 °, horizontal field of view angle, the whole day ball panoramic view at 360 °, vertical field of view angle.
Panoramic view is divided into two parts visual field, front and back by the fish eye lens module that panoramic picture harvester of the present invention two has ultra-wide angle, carry out imaging respectively, imaging signal projects on the reflecting surface of the prism both sides be positioned in the middle of camera lens module after ultra-wide angle lens set, through the reflection of prism, be directly imaged on the region, left and right of same transducer target surface simultaneously.Imageing sensor of the present invention has a transition band between the imaging region of left and right, for isolating the interference between the two-way optical signalling of front and back, in order to utilize the imaging area of imager chip more fully, imager chip adopts length-width ratio to be the optical element of 16:9, and on the image being finally incident upon transducer, carry out edge trimming process.Owing to have employed the high-resolution imageing sensor of large target surface, final imaging effect can realize 200 ten thousand to 600 ten thousand even higher imaging resolutions.Owing to only needing the image collection chip of a slice, the final viewdata signal exporting a just road.
The invention has the beneficial effects as follows, panoramic picture harvester of the present invention achieves the complete unity of different visual fields image quality and the Complete Synchronization of picture in panoramic picture; This panoramic picture harvester only has the video frequency output on a road simultaneously, greatly simplify data acquisition session and the panoramic mosaic task of later stage panoramic picture process, reduces difficulty and cost; Decrease image sensor chip quantity and number of shots, reduce the cost of image capturing system, image quality is higher, and image quality is more stable.
Accompanying drawing explanation
Fig. 1 is panoramic picture harvester cross section structure schematic diagram of the present invention;
Fig. 2 is panoramic picture harvester outer side TV structure schematic diagram of the present invention;
Fig. 3 is the outside plan structure schematic diagram of panoramic picture harvester of the present invention;
Fig. 4 is panoramic picture harvester system perspective view of the present invention.
In figure, 1 is front visual field fish eye lens module, and 2 is rear visual field fish eye lens modules, and 3 is lens mount, and 4 is prisms, and 5 is image acquisition circuit plates, and 6 is imageing sensors, and 7 is soft arranging wire junction blocks.
Embodiment
Below by embodiment, the present invention is specifically described; embodiment is only for being further detailed the present invention; can not be interpreted as limiting the scope of the invention, some nonessential improvement that those skilled in the art's content according to the present invention is made and adjustment also belong to the scope of protection of the invention.
Composition graphs 1 to Fig. 4.
Panoramic picture harvester, comprise fish eye lens module, imageing sensor 6 and signal transmssion line, fish eye lens module has two groups, front visual field fish eye lens module 1 and rear visual field fish eye lens module 2 respectively, two fish eye lens module optical axises are overlapped, be oppositely disposed in same optical axis two ends, the center of two groups of fish eye lens module photocentre lines is provided with prism 4, has the imageing sensor 6 simultaneously gathering two fish eye lens module imagings below prism 4.
Fish eye lens module is made up of multi-disc lens, and the angle of view is greater than 180 degree.
Two fish eye lens modules, prism 4 and imageing sensor 6 are arranged symmetrically with along the perpendicular bisector of two arrangement of mirrors head lines.
Imageing sensor 6 can select ccd image sensor or cmos image sensor.
The normal angle at 45 ° of optical axis and prism 4 reflecting surface.
As shown in Figures 1 to 4, front visual field fish eye lens module 1, rear visual field fish eye lens module 2, prism 4 are on same optical axis, and this optical axis is vertical with the normal of imageing sensor 6 imaging target surface.Prism 4 is positioned at directly over imageing sensor 6, and prism 4 is prism, and the light of forward and backward visual field is synchronously by passing through the reflective surface of prism 4 to imageing sensor 6 after the imaging of fish eye lens module optically focused.Lens mount 3 is that other optics provides support, and imageing sensor 6 and soft arranging wire junction block 7 are distributed on image acquisition circuit plate 5.Employing water-tight designs, the impact of completely isolated extraneous veiling glare, dust and steam.
As shown in the figure, prism 4 is positioned at directly over imageing sensor 6, and its tip faces 1/2 line of demarcation place of imageing sensor 6 length.The normal angle at 45 ° in the optical axis of front visual field fish eye lens module 1 and the front-reflection face of prism 4, the normal angle at 45 ° in the optical axis of rear visual field fish eye lens module 2 and the back reflection face of prism 4.Due to the impact of the machining accuracy at prism tip, need the gap transition band leaving pre-3mm between the view field imaging of front and back.Picture signal is exported by soft arranging wire junction block 7 connection signal transmission line.
Apparatus of the present invention become the structure of single channel many arrangements of mirrors head+single channel transducer on the one hand from the structure of original multichannel camera lens+multiple sensor+image mosaic module, make integral module compacter from structure, the miniaturization of final products can be realized, improve the reliability of module, save cost from hardware; On the other hand synchronous, the exposure of multiple parts of panorama, integration work utilize circuit arrangement to be implemented to optically directly to solve now, reduce the development difficulty of panorama technology, improve imaging image quality effect from original; And, owing to present invention obviates the preliminary treatment of hardware chip (all restricted to amount of calculation, hardware interface, driving etc.) to picture early stage, as long as image processing module supports that conventional vision sensor data interface is (as mipi, csi, Parellel etc.), just can access this module, panoramic technique is combined with existing image processing module easily, widen the scope of application of panoramic technique.
Claims (6)
1. panoramic picture image collection system, comprises fish eye lens module, imageing sensor and signal transmssion line, it is characterized in that:
Described fish eye lens module has two groups, and its optical axis is overlapped, is oppositely disposed in same optical axis two ends, and the center of two groups of fish eye lens module photocentre lines is provided with prism, has imageing sensor below prism;
The imaging signal of described two fish eye lens modules projects the reflecting surface of prism both sides respectively, form left and right region imaging at same imageing sensor target surface after reflection simultaneously, having a width to be greater than 0.1mm between the imaging region of imageing sensor target surface left and right, being less than the transition band for isolating to disturb between two ways of optical signals of 0.3mm.
2. panoramic picture image collection system according to claim 1, is characterized in that: described imageing sensor target surface length-width ratio is 16:9.
3. panoramic picture image collection system according to claim 1 and 2, is characterized in that: described fish eye lens module is made up of multi-disc lens, and the angle of view is greater than 180 degree.
4. panoramic picture image collection system according to claim 3, is characterized in that: described two fish eye lens modules, prism and imageing sensor are arranged symmetrically with along the perpendicular bisector of two arrangement of mirrors head lines.
5. panoramic picture image collection system according to claim 4, is characterized in that: the normal angle at 45 ° in described optical axis and prismatic reflection face.
6. panoramic picture image collection system according to claim 3, is characterized in that: described imageing sensor is ccd image sensor or cmos image sensor.
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| CN201510600697.0A CN105120177B (en) | 2015-09-18 | 2015-09-18 | Panoramic picture harvester |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105120176A (en) * | 2015-09-18 | 2015-12-02 | 成都易瞳科技有限公司 | Panoramic image acquiring system |
| CN105744132A (en) * | 2016-03-23 | 2016-07-06 | 捷开通讯(深圳)有限公司 | Optical lens accessory for shooting panoramic image |
| CN106899783A (en) * | 2015-12-18 | 2017-06-27 | 北京大国慧谷科技有限公司 | A kind of panorama shooting device |
| CN106950791A (en) * | 2017-02-22 | 2017-07-14 | 奇鋐科技股份有限公司 | Panoramic photographing apparatus |
| TWI608288B (en) * | 2017-02-20 | 2017-12-11 | 奇鋐科技股份有限公司 | Panoramic camera device |
| CN107613173A (en) * | 2017-09-30 | 2018-01-19 | 杭州雄迈集成电路技术有限公司 | A kind of dual camera imaging acquisition system |
| CN107968902A (en) * | 2016-10-20 | 2018-04-27 | 上海富瀚微电子股份有限公司 | Panoramic camera and its implementation based on single image sensor |
| CN108055436A (en) * | 2017-12-25 | 2018-05-18 | 北京中兑志远科技发展有限公司 | A kind of image processing system for Internet of Things |
| WO2018113010A1 (en) * | 2016-12-21 | 2018-06-28 | 李军明 | Virtual reality scene generation device, robot and unmanned driving device |
| CN111868596A (en) * | 2018-03-20 | 2020-10-30 | 株式会社理光 | Image sensor fixing structure |
| WO2022068896A1 (en) * | 2020-09-29 | 2022-04-07 | 影石创新科技股份有限公司 | Imaging apparatus and electronic device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105120176B (en) * | 2015-09-18 | 2018-06-15 | 成都易瞳科技有限公司 | Panoramic picture image collection system |
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| CN106899783A (en) * | 2015-12-18 | 2017-06-27 | 北京大国慧谷科技有限公司 | A kind of panorama shooting device |
| CN105744132B (en) * | 2016-03-23 | 2020-01-03 | 捷开通讯(深圳)有限公司 | Optical lens accessory for panoramic image shooting |
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| CN107968902A (en) * | 2016-10-20 | 2018-04-27 | 上海富瀚微电子股份有限公司 | Panoramic camera and its implementation based on single image sensor |
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| TWI608288B (en) * | 2017-02-20 | 2017-12-11 | 奇鋐科技股份有限公司 | Panoramic camera device |
| CN106950791A (en) * | 2017-02-22 | 2017-07-14 | 奇鋐科技股份有限公司 | Panoramic photographing apparatus |
| CN107613173A (en) * | 2017-09-30 | 2018-01-19 | 杭州雄迈集成电路技术有限公司 | A kind of dual camera imaging acquisition system |
| CN108055436A (en) * | 2017-12-25 | 2018-05-18 | 北京中兑志远科技发展有限公司 | A kind of image processing system for Internet of Things |
| CN111868596A (en) * | 2018-03-20 | 2020-10-30 | 株式会社理光 | Image sensor fixing structure |
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| WO2022068896A1 (en) * | 2020-09-29 | 2022-04-07 | 影石创新科技股份有限公司 | Imaging apparatus and electronic device |
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Denomination of invention: Panoramic image acquisition device Effective date of registration: 20210201 Granted publication date: 20180615 Pledgee: Bank of Chengdu science and technology branch of Limited by Share Ltd. Pledgor: CHENGDU VISIONERTECH Co.,Ltd. Registration number: Y2021980000901 |
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Inventor after: Zhang Enze Inventor after: Hu Zhifa Inventor after: Cheng Yin Inventor after: Yu Li Inventor before: Zhang Enze Inventor before: Lai Wenjie Inventor before: Hu Zhifa Inventor before: Cheng Yin Inventor before: Yu Li |
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Denomination of invention: Panoramic image acquisition device Effective date of registration: 20210810 Granted publication date: 20180615 Pledgee: Bank of Chengdu science and technology branch of Limited by Share Ltd. Pledgor: CHENGDU VISIONERTECH Co.,Ltd. Registration number: Y2021510000176 |
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