CN104601871A - Image acquiring method based on fly-eye lens - Google Patents
Image acquiring method based on fly-eye lens Download PDFInfo
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- CN104601871A CN104601871A CN201510087577.5A CN201510087577A CN104601871A CN 104601871 A CN104601871 A CN 104601871A CN 201510087577 A CN201510087577 A CN 201510087577A CN 104601871 A CN104601871 A CN 104601871A
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Abstract
The invention provides an image acquiring method based on a fly-eye lens. A bionic fly-eye lens imaging principle and an image feature extraction technology are used in the image acquiring method based on the fly-eye lens, an image of object space is reflected on a plane of a two-dimensional photoelectric sensor, imaging light sequentially passes through an image acquiring module and an image feature processing component, image arrays, with information difference, of the object space are acquired and processed, and required information is obtained.
Description
Technical field
The invention belongs to optical technical field; relate to a kind of image acquisition and processing method; particularly based on an image acquisition and processing method for compound eye lens, be mainly used in the image acquisition and processing in the fields such as imaging system, Photoelectric Detection, species analysis, illumination optical, shadow casting technique, optical microphotograph, optical control, optical communication, artificial intelligence, robot, mobile terminal, Internet of Things, environment sensing, guidance navigation, historical relic's protection.
Background technology
Extensively imaging system is present in the demand of image acquisition and processing method, Photoelectric Detection, species analysis, illumination optical, shadow casting technique, optical microphotograph, optical control, optical communication, artificial intelligence, robot, mobile terminal, Internet of Things, environment sensing, guidance navigation, the fields such as historical relic's protection, such as, in photoelectronic imaging field, it is low that restriction due to existence conditions result in the two dimensional imaging resolution collected from reality, carry out 3-D view reconstruct on this basis, high-resolution 3-D view can not be obtained equally, this gathers image further with regard to needs and then carries out three-dimensionalreconstruction and superresolution processing.More highlight the importance of image acquisition and processing method in field of mobile terminals, the smart mobile phone in current mobile terminal is provided with the hardware and software configuration that image acquisition and processing parts have become a kind of extensive existence, is developed rapidly.
A kind of image acquisition and processing method is there is in first technology, see US granted patent (UnitedStates Patent), patent name: Capturing and processing of images using monolithiccamera array with heterogeneous imagers, the patent No. is US 886692B2, date of patent is on October 21st, 2014, patent applicant is scientific & technical corporation of the U.S., i.e. Pelican ImagingCorporation, invention people is five people such as Kartik Venkataraman.Although this has certain advantage in first technology, but it is not enough still to there is essence: 1) this method at least includes an image-forming block array, and each image-forming block includes camera lens storehouse and a large amount of photoelectric sensing unit further, therefore complex process, photoconductive structure complexity, system are difficult to realize; 2) control circuit obtains low-resolution image by each image-forming block, and each image-forming block is arranged in closed mechanical structure, causes the complicated in mechanical structure of image-forming block array, is not easy to realize, and high to mechanical design requirements; 3) in acquisition low-resolution image process, need the optical imaging properties having two image-forming blocks at least to want consistent, there is certain requirement to image-forming component, influential system builds flexible nature; 4) the method comprises superresolution processing module, utilizes a large amount of low-resolution image to carry out structure super resolution image, and processing data information is complicated, affects the integrated of method and function expansion flexibility.
Summary of the invention
The present invention is directed to the technical problem existed in prior art and propose a kind of imaging device based on fly's-eye lens optical texture and formation method, concrete scheme is as follows:
Based on an image acquisition and processing method for compound eye lens, comprise the following steps:
1) image projection is on fly's-eye lens, and in the receiving plane imaging of photoelectric sensor zones of different after the transmission of fly's-eye lens each sub-lens unit;
2) image acquisition and processing module does overall collection to the optoelectronic information that photoelectric sensor receives;
3) characteristics of image processing unit receives the image information that image acquisition and processing module whole gathers, and processes according to required concern image feature information, obtains information needed.
As preferably, described fly's-eye lens is the one of glass fly's-eye lens, resin fly's-eye lens, plastics fly's-eye lens, composite structure fly's-eye lens.
As preferably, described photoelectric sensor is the one of charge coupled device, complementary metal oxide semiconductors (CMOS) photoelectric sensor.
As preferably, the one that described characteristics of image processing unit is geometrical boundary characteristics of image processing unit, singular point characteristics of image processing unit, information gather characteristics of image processing unit, spectrum picture characteristic processing parts.
Inventive point of the present invention is to combine with image feature extraction techniques based on bionics fly's-eye lens image-forming principle, the image of object space is imaged in two-dimension photoelectric sensor plane through fly's-eye lens, by image capture module and characteristics of image processing unit, acquisition and processing is carried out to the object space pattern matrix that there is information gap successively, obtain information needed, provide a kind of method technique simple, photoconductive structure is succinct, be easy to realize, low to mechanical requirements, system constructing is flexible, data-handling capacity is strong, be easy to integrated and the image acquisition and processing method based on compound eye lens of function expansion.
Compared with prior art, advantage of the present invention:
1) at least include an image-forming block array in first technology, and each image-forming block includes camera lens storehouse and a large amount of photoelectric sensing unit further, therefore complex process, photoconductive structure complexity, system are difficult to realize.The present invention is based on bionics fly's-eye lens image-forming principle to combine with image feature extraction techniques, the image of object space is imaged in two-dimension photoelectric sensor plane through fly's-eye lens, because each lens unit of fly's-eye lens has independent imaging function, object space image images in two-dimension photoelectric sensor plane by each lens unit, fly's-eye lens and two-dimension photoelectric sensor carry out machinery integral connection, therefore have the features such as method technique is simple, photoconductive structure succinct, be easy to realization, system constructing is flexible;
2) in first technology, control circuit obtains low-resolution image by each image-forming block, and each image-forming block is arranged in closed mechanical structure, causes the complicated in mechanical structure of image-forming block array, is not easy to realize, and high to mechanical design requirements.In the present invention, fly's-eye lens and two-dimension photoelectric sensor carry out machinery integral connection, therefore to low to mechanical requirements;
3) in acquisition low-resolution image process, the optical imaging properties having two image-forming blocks at least is needed to want consistent in first technology, certain requirement is existed to image-forming component, influential system builds flexible nature, the method comprises superresolution processing module, a large amount of low-resolution image is utilized to carry out structure super resolution image, processing data information is complicated, affects the integrated of method and function expansion flexibility.The present invention utilizes image capture module to carry out entirety collection to photosignal on two-dimension photoelectric sensor, and two-dimension photoelectric sensor presenting image is the object space pattern matrix that there is information gap; The mutual locus of each lens unit in fly's-eye lens is fixed, characteristics of image processing unit processes according to required concern image feature information, obtain information needed, therefore have that system constructing is flexible, data-handling capacity is strong, be easy to integrated and the feature such as function expansion.
Accompanying drawing explanation
Fig. 1 is a kind of image acquisition and processing method flow chart based on compound eye lens of the embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Fig. 1 is a kind of image acquisition and processing method flow chart based on compound eye lens of the embodiment of the present invention, and specific embodiment is as follows: a kind of image acquisition and processing method based on compound eye lens, comprises the following steps:
1) image projection is on fly's-eye lens, and in the receiving plane imaging of photoelectric sensor zones of different after the transmission of fly's-eye lens each sub-lens unit;
2) image acquisition and processing module does overall collection to the optoelectronic information that photoelectric sensor receives;
3) characteristics of image processing unit receives the image information that image acquisition and processing module whole gathers, and processes according to required concern image feature information, obtains information needed.
Wherein, fly's-eye lens adopts glass fly's-eye lens, and photoelectric sensor is charge coupled device; Characteristics of image processing unit adopts geometrical boundary characteristics of image processing unit.
A kind of image acquisition and processing method based on compound eye lens of the present invention, combine with image feature extraction techniques based on bionics fly's-eye lens image-forming principle, the image of object space is imaged in two-dimension photoelectric sensor plane through fly's-eye lens, ditch carries out acquisition and processing by image capture module and characteristics of image processing unit to the object space pattern matrix that there is information gap successively, obtains information needed.
Above-described embodiment has been described in detail technical scheme of the present invention and beneficial effect; be understood that and the foregoing is only most preferred embodiment of the present invention; be not limited to the present invention; all make in spirit of the present invention any amendment, supplement and equivalent to replace, all should be included within protection scope of the present invention.
Claims (5)
1., based on an image acquisition and processing method for compound eye lens, comprise the following steps:
1) image projection is on fly's-eye lens, and in the receiving plane imaging of photoelectric sensor zones of different after the transmission of fly's-eye lens each sub-lens unit;
2) image acquisition and processing module does overall collection to the optoelectronic information that photoelectric sensor receives;
3) characteristics of image processing unit receives the image information that image acquisition and processing module whole gathers, and processes according to required concern image feature information, obtains information needed.
2. a kind of image acquisition and processing method based on compound eye lens according to claim 1, described fly's-eye lens and described photoelectric sensor machinery are fixed.
3. a kind of image acquisition and processing method based on compound eye lens according to claim 1, described fly's-eye lens is the one of glass fly's-eye lens, resin fly's-eye lens, plastics fly's-eye lens, composite structure fly's-eye lens.
4. a kind of image acquisition and processing method based on compound eye lens according to claim 1, described photoelectric sensor is the one of charge coupled device, complementary metal oxide semiconductors (CMOS) photoelectric sensor.
5. a kind of image acquisition and processing method based on compound eye lens according to claim 1, the one that described characteristics of image processing unit is geometrical boundary characteristics of image processing unit, singular point characteristics of image processing unit, information gather characteristics of image processing unit, spectrum picture characteristic processing parts.
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| CN201510087577.5A CN104601871A (en) | 2015-02-16 | 2015-02-16 | Image acquiring method based on fly-eye lens |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105262947A (en) * | 2015-09-30 | 2016-01-20 | 中国科学院光电技术研究所 | Method for improving sampling resolution of photoelectric detector by using multi-channel imaging |
| CN107302695A (en) * | 2017-05-31 | 2017-10-27 | 天津大学 | A kind of electronics compound eye system based on bionic visual mechanism |
| CN112217978A (en) * | 2020-10-12 | 2021-01-12 | 河海大学 | Three-channel polarized image acquisition method and device based on bionic compound eye |
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| CN103676036A (en) * | 2013-12-17 | 2014-03-26 | 北京理工大学 | Multi-field-of-view bionic ommateum low-light-level imaging system based on multi-micro-surface optical fiber faceplate |
| CN103747231A (en) * | 2013-12-20 | 2014-04-23 | 中国科学院西安光学精密机械研究所 | Large-view-field curved compound eye three-dimensional camera device |
| CN204044431U (en) * | 2014-06-10 | 2014-12-24 | 杭州清渠科技有限公司 | A kind of compound lens optical imaging device |
| CN204069180U (en) * | 2014-06-10 | 2014-12-31 | 杭州清渠科技有限公司 | A kind of image supervisory control safety-protection system based on fly's-eye lens |
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Patent Citations (5)
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| CN102819053A (en) * | 2012-07-12 | 2012-12-12 | 南京迈得特光学有限公司 | Large field-of-view bionic compound eye visual system adopting dome light cone |
| CN103676036A (en) * | 2013-12-17 | 2014-03-26 | 北京理工大学 | Multi-field-of-view bionic ommateum low-light-level imaging system based on multi-micro-surface optical fiber faceplate |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105262947A (en) * | 2015-09-30 | 2016-01-20 | 中国科学院光电技术研究所 | Method for improving sampling resolution of photoelectric detector by using multi-channel imaging |
| CN107302695A (en) * | 2017-05-31 | 2017-10-27 | 天津大学 | A kind of electronics compound eye system based on bionic visual mechanism |
| CN112217978A (en) * | 2020-10-12 | 2021-01-12 | 河海大学 | Three-channel polarized image acquisition method and device based on bionic compound eye |
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