CN109981986B - Reflective infrared micro-scanning optical imaging system for image super-resolution restoration - Google Patents
Reflective infrared micro-scanning optical imaging system for image super-resolution restoration Download PDFInfo
- Publication number
- CN109981986B CN109981986B CN201910257076.5A CN201910257076A CN109981986B CN 109981986 B CN109981986 B CN 109981986B CN 201910257076 A CN201910257076 A CN 201910257076A CN 109981986 B CN109981986 B CN 109981986B
- Authority
- CN
- China
- Prior art keywords
- lens group
- speed galvanometer
- main optical
- main
- imaging
- 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.)
- Active
Links
Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T3/00—Geometric image transformation in the plane of the image
- G06T3/40—Scaling the whole image or part thereof
- G06T3/4053—Super resolution, i.e. output image resolution higher than sensor resolution
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/54—Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/95—Computational photography systems, e.g. light-field imaging systems
- H04N23/951—Computational photography systems, e.g. light-field imaging systems by using two or more images to influence resolution, frame rate or aspect ratio
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
- H04N25/70—SSIS architectures; Circuits associated therewith
- H04N25/71—Charge-coupled device [CCD] sensors; Charge-transfer registers specially adapted for CCD sensors
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/30—Transforming light or analogous information into electric information
- H04N5/33—Transforming infrared radiation
Abstract
A reflection-type infrared micro-scanning optical imaging system for image super-resolution restoration belongs to the field of photoelectric countermeasure and solves the problem of poor restoration effect of the existing image super-resolution restoration method. The invention comprises the following steps: the main optical lens group receives and arranges incident light; the imaging lens group is used for further sorting the receiving light path of the main optical lens group so as to be suitable for imaging; the high-speed galvanometer reflects incident light finished by the imaging lens group and generates a multi-frame image; the high-speed galvanometer controller is electrically connected with the high-speed galvanometer and used for controlling the high-speed galvanometer; and the main system CCD receives a plurality of frames of images. The multi-frame low-resolution image sequence is realized through the reflective infrared micro-scanning optical imaging system, the obtained multi-frame low-resolution sequence has no lag in time and no displacement in space, the input source error of super-resolution restoration is eliminated, the tracking lag and the tracking error of a photoelectric countermeasure system are overcome, and the best effect of image super-resolution restoration can be realized.
Description
Technical Field
The invention belongs to the technical field of photoelectric countermeasure, and particularly relates to a reflective infrared micro-scanning optical imaging system for image super-resolution restoration.
Background
In recent years, photo-countermeasure systems have been developed in a comprehensive manner, and have been diversified, and various types of photo-countermeasure systems have image processing capabilities. Meanwhile, an image super-resolution restoration method is further developed and widely applied to image processing of a photoelectric countermeasure system.
The existing image super-resolution restoration method only starts from an image processing method, and obtains a frame of high-resolution image by performing super-resolution restoration by using front and rear multi-frame image information. However, the existing image super-resolution restoration method has the following problems:
the method has the problems that the multi-frame low-resolution sequences before and after the time have time lag and spatial displacement, errors exist on an input source of super-resolution restoration, research of the existing super-resolution restoration is bottleneck, and restoration performance is difficult to further improve.
Secondly, in the photoelectric countermeasure system, the target in the image is a target moving at a high speed rather than a stationary target, and hysteresis and tracking error exist in the tracking of the photoelectric countermeasure system. Therefore, the super-resolution restoration is carried out by using the front and rear multi-frame images, the error is large, the restoration effect is poor, and the restoration effect of the theoretical algorithm is difficult to obtain.
It is understood that prior to the present invention, there has been no domestic related research on reflective infrared micro-scanning optical imaging systems suitable for image super-resolution restoration.
Disclosure of Invention
In order to overcome the problem of poor restoration effect of the image super-resolution restoration method in the image processing of the existing photoelectric countermeasure system, the invention provides a reflection type infrared micro-scanning optical imaging system for image super-resolution restoration.
The technical scheme adopted by the invention for solving the technical problem is as follows:
the invention discloses a reflective infrared micro-scanning optical imaging system for image super-resolution restoration, which comprises:
the main optical lens group receives and arranges incident light;
the imaging lens group is used for further sorting the receiving light path of the main optical lens group so as to be suitable for imaging;
the high-speed galvanometer reflects incident light finished by the imaging lens group and generates a multi-frame image;
the high-speed galvanometer controller is electrically connected with the high-speed galvanometer and used for controlling the high-speed galvanometer;
and the main system CCD receives a plurality of frames of images.
Further, a main optical lens group, an imaging lens group and a high-speed galvanometer are sequentially arranged from left to right in the propagation direction of a main optical axis A of the reflective infrared micro-scanning optical imaging system; the main optical lens group and the main optical axis are arranged at 90 degrees; the imaging lens group and the main optical axis are arranged at 90 degrees; the high-speed galvanometer and the main optical axis are arranged at an angle of 45 degrees.
Further, a high-speed galvanometer and a main system CCD are sequentially arranged from top to bottom in the propagation direction of a main optical axis B of the reflective infrared micro-scanning optical imaging system; the high-speed galvanometer and the main optical axis are arranged at an angle of 45 degrees; the main system CCD is arranged at 90 degrees to the main optical axis.
Furthermore, the main optical lens group adopts an optical coating measure to coat a reflecting film on the surface of the main optical lens group to reflect incident light.
Furthermore, the main optical lens group consists of a secondary mirror and a main mirror, and incident light is reflected to the secondary mirror through the main mirror, then reflected to the main light path through the secondary mirror and received by the imaging lens group; the secondary mirror adopts an aspheric surface type, and the primary mirror adopts an aspheric surface type; the thickness of the secondary mirror is 30mm, the curvature radius is-180 mm, and the aspheric surface coefficient is-1; the thickness of the primary mirror is 30mm, the curvature radius is-900 mm, and the aspheric surface coefficient is-1; the distance between the primary mirror and the secondary mirror is 360 mm.
Furthermore, the aperture of the main optical lens group is 300mm, and the focal length is 3000 mm.
Furthermore, the imaging lens group adopts an optical film coating measure to coat an antireflection film on the surface of the imaging lens group, and transmits incident light.
Further, the imaging lens group consists of a positive lens and a negative lens; the center thickness of the positive lens is 30mm, and the curvature radius is 315.72mm and-313.00 mm; the center thickness of the negative lens is 10mm, and the curvature radius is 138.91mm and 148.24 mm.
Furthermore, the high-speed galvanometer adopts a dynamic two-dimensional high-speed galvanometer, and adopts an optical coating measure to coat a reflecting film on the surface of the high-speed galvanometer so as to reflect incident light.
Furthermore, the high-speed galvanometer controller adopts a DSP digital control circuit.
The invention has the beneficial effects that: the reflective infrared micro-scanning optical imaging system for image super-resolution restoration generates real-time multi-frame images through the high-speed galvanometer and is applied to image processing, so that the influence of tracking errors of a high-speed moving target and a photoelectric countermeasure system on restoration effect is overcome.
The vibration frequency of the high-speed galvanometer is 2kHz, the response time is 0.5ms, so that the time interval of two frames of images generated by the high-speed galvanometer is only 0.5ms, and the high-speed galvanometer can be used as a real-time multi-frame image and applied to image processing. The real-time multi-frame images generated by the reflective infrared micro-scanning optical imaging system are used as multi-frame images for image super-resolution processing, and a frame of high-resolution image is generated after fusion. The multi-frame low-resolution image sequence is realized through the reflective infrared micro-scanning optical imaging system, so that the obtained multi-frame low-resolution sequence has no lag in time and no displacement in space, the input source error of super-resolution restoration is eliminated, real-time multi-frame images required by the super-resolution restoration can be realized for a high-speed moving target, meanwhile, the tracking lag and the tracking error of a photoelectric countermeasure system are overcome, and the optimal effect of the image super-resolution restoration is realized.
The reflection type infrared micro-scanning optical imaging system for image super-resolution restoration is reliable and practical, small in size, light in weight and simple in assembly and adjustment, and can achieve the best effect of super-resolution restoration in image processing.
Drawings
Fig. 1 is a schematic structural diagram of a reflective infrared micro-scanning optical imaging system for image super-resolution restoration according to the present invention.
FIG. 2 is a schematic structural diagram of the primary optical lens group.
FIG. 3 is a schematic structural diagram of an imaging lens group.
In the figure: 1. the high-speed vibration mirror comprises a main optical mirror group, 1-1 parts of a secondary mirror, 1-2 parts of a main mirror, 2 parts of an imaging mirror group, 2-1 parts of a positive lens, 2-2 parts of a negative lens, 3 parts of a high-speed vibration mirror, 4 parts of a high-speed vibration mirror controller, 5 parts of a main system CCD.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, the reflective infrared micro-scanning optical imaging system for image super-resolution restoration of the present invention mainly comprises: the system comprises a main optical lens group 1, an imaging lens group 2, a high-speed galvanometer 3, a high-speed galvanometer controller 4 and a main system CCD 5.
A main optical lens group 1, an imaging lens group 2 and a high-speed vibrating mirror 3 are sequentially arranged from left to right in the propagation direction of a main optical axis A of the reflective infrared micro-scanning optical imaging system. The main optical lens group 1 and the main optical axis are arranged at 90 degrees, namely the main optical lens group 1 and the main optical axis are arranged vertically; the imaging lens group 2 and the main optical axis are arranged at 90 degrees, namely the imaging lens group 2 is arranged vertically to the main optical axis; the high-speed galvanometer 3 and the main optical axis are arranged at 45 degrees, namely, the included angle between the high-speed galvanometer 3 and the main optical axis is 45 degrees.
The high-speed galvanometer 3 and the main system CCD5 are sequentially arranged from top to bottom in the transmission direction of a main optical axis B of the reflective infrared micro-scanning optical imaging system. The high-speed galvanometer 3 and the main optical axis are arranged at 45 degrees, namely an included angle between the high-speed galvanometer 3 and the main optical axis is 45 degrees; the main system CCD5 is arranged at 90 degrees to the main optical axis, i.e. the main system CCD5 is arranged perpendicular to the main optical axis.
In addition, the high-speed galvanometer controller 4 is connected with the high-speed galvanometer 3 through a cable, and the high-speed galvanometer 3 is controlled through the high-speed galvanometer controller 4.
The primary optical lens group 1 adopts an optical coating measure to coat a reflecting film on the surface thereof to reflect incident light. The primary optical lens group 1 is mainly used for receiving incident light and sorting emergent light. In the present embodiment, as shown in fig. 2, the main optical lens group 1 is composed of a secondary mirror 1-1 and a main mirror 1-2, the secondary mirror 1-1 is of an aspherical surface type, and the main mirror 1-2 is of an aspherical surface type. The thickness of the secondary mirror 1-1 is 30mm, the curvature radius is-180 mm, and the aspheric surface coefficient is-1. The thickness of the primary mirror 1-2 is 30mm, the curvature radius is-900 mm, and the aspheric surface coefficient is-1. The distance between the primary mirror 1-2 and the secondary mirror 1-1 is 360 mm. The aperture of the primary optical lens group 1 is 300mm, and the focal length is 3000 mm. Incident light is reflected to the secondary mirror 1-1 through the primary mirror 1-2, reflected to a main light path through the secondary mirror 1-1 and received by the imaging lens group 2.
The imaging lens group 2 adopts an optical film coating measure to coat an antireflection film on the surface thereof and transmits incident light. The imaging lens group 2 is used for further sorting the receiving light path of the main optical lens group 1 so as to be suitable for imaging. As shown in FIG. 3, the imaging lens group 2 is composed of a positive lens 2-1 and a negative lens 2-2. The center thickness of the positive lens 2-1 is 30mm, and the curvature radius is 315.72mm and-313.00 mm; the negative lens 2-2 has a center thickness of 10mm and radii of curvature of 138.91mm and 148.24 mm.
In this embodiment, the high-speed galvanometer 3 is a dynamic two-dimensional high-speed galvanometer, and the surface of the high-speed galvanometer is coated with a reflecting film by an optical coating measure to reflect incident light.
In this embodiment, the high-speed galvanometer controller 4 is a DSP digital control circuit.
In this embodiment, the master system CDD5 is a general-purpose CCD that meets the requirements of a photo-countermeasure system.
As shown in fig. 1, in the reflective infrared micro-scanning optical imaging system for restoring super-resolution of images of the present invention, incident light is reflected by the primary optical lens group 1 and enters the primary optical path of the reflective infrared micro-scanning optical imaging system, and then exits after being adjusted by the imaging lens group 2, and the exiting light is reflected by the high-speed vibrating mirror 3 and then is projected onto the primary system CCD5 to form a multi-frame image, and the vibration frequency and amplitude of the high-speed vibrating mirror 3 are controlled and adjusted by the high-speed vibrating mirror controller 4, so as to realize sub-pixel micro-scanning imaging.
The optical beams are directed to the same target, at the same time and at the same angle, and are projected onto the main system CCD5 for multiple imaging through high-speed vibration of the high-speed galvanometer 3, and the main system CCD5 generates a multi-frame image. And aiming at multi-frame images of the same target, the same time and the same angle, multi-frame image fusion and super-resolution restoration are carried out, so that the best effect of image super-resolution restoration can be realized.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (1)
1. A reflective infrared micro-scanning optical imaging system for image super-resolution restoration is characterized by comprising:
the main optical lens group receives and arranges incident light;
the imaging lens group is used for further sorting the receiving light path of the main optical lens group so as to be suitable for imaging;
the high-speed galvanometer reflects incident light finished by the imaging lens group and generates a multi-frame image;
the high-speed galvanometer controller is electrically connected with the high-speed galvanometer and used for controlling the high-speed galvanometer;
the main system CCD receives a plurality of frames of images;
a main optical lens group, an imaging lens group and a high-speed galvanometer are sequentially arranged from left to right in the propagation direction of a main optical axis A of the reflective infrared micro-scanning optical imaging system; the main optical lens group and the main optical axis are arranged at 90 degrees; the imaging lens group and the main optical axis are arranged at 90 degrees; the high-speed galvanometer and the main optical axis are arranged at an angle of 45 degrees;
a high-speed galvanometer and a main system CCD are sequentially arranged from top to bottom in the propagation direction of a main optical axis B of the reflective infrared micro-scanning optical imaging system; the high-speed galvanometer and the main optical axis are arranged at an angle of 45 degrees; the main system CCD and the main optical axis are arranged at 90 degrees;
the main optical lens group is plated with a reflecting film on the surface by adopting an optical film coating measure to reflect incident light;
the primary optical lens group consists of a secondary lens and a primary lens, and incident light is reflected to the secondary lens through the primary lens, then reflected to a primary light path through the secondary lens and received by the imaging lens group; the secondary mirror adopts an aspheric surface type, and the primary mirror adopts an aspheric surface type; the thickness of the secondary mirror is 30mm, the curvature radius is-180 mm, and the aspheric surface coefficient is-1; the thickness of the primary mirror is 30mm, the curvature radius is-900 mm, and the aspheric surface coefficient is-1; the distance between the primary mirror and the secondary mirror is 360 mm;
the aperture of the main optical lens group is 300mm, and the focal length is 3000 mm;
the imaging lens group adopts an optical film coating measure to coat an antireflection film on the surface of the imaging lens group and transmits incident light;
the imaging lens group consists of a positive lens and a negative lens; the center thickness of the positive lens is 30mm, and the curvature radius is 315.72mm and-313.00 mm; the center thickness of the negative lens is 10mm, and the curvature radius is 138.91mm and 148.24 mm;
the high-speed galvanometer adopts a dynamic two-dimensional high-speed galvanometer, and adopts an optical coating measure to coat a reflecting film on the surface of the high-speed galvanometer so as to reflect incident light;
the high-speed galvanometer controller adopts a DSP digital control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910257076.5A CN109981986B (en) | 2019-04-01 | 2019-04-01 | Reflective infrared micro-scanning optical imaging system for image super-resolution restoration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910257076.5A CN109981986B (en) | 2019-04-01 | 2019-04-01 | Reflective infrared micro-scanning optical imaging system for image super-resolution restoration |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109981986A CN109981986A (en) | 2019-07-05 |
| CN109981986B true CN109981986B (en) | 2020-11-03 |
Family
ID=67082155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910257076.5A Active CN109981986B (en) | 2019-04-01 | 2019-04-01 | Reflective infrared micro-scanning optical imaging system for image super-resolution restoration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109981986B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113592969A (en) * | 2021-07-26 | 2021-11-02 | 中林信达（北京）科技信息有限责任公司 | Transmission type micro-scanning optical imaging system suitable for image reconstruction |
| CN114296216B (en) * | 2021-12-14 | 2023-05-02 | 同济大学 | Refractive-reflective infrared polarization imaging optical system based on micro-scanning lens |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7298415B2 (en) * | 2001-07-13 | 2007-11-20 | Xenogen Corporation | Structured light imaging apparatus |
| CN1815258B (en) * | 2006-03-09 | 2010-11-03 | 中国科学院光电技术研究所 | Photoelectric imaging tracing system based on scanning oscillating mirror |
| US8248614B2 (en) * | 2009-03-16 | 2012-08-21 | Ut-Battelle, Llc | Quantitative phase-imaging systems |
| CN102028454B (en) * | 2010-10-26 | 2012-05-09 | 浙江大学 | Mirror-image separation method and system based on group delay wavenumber carrier frequency |
| TWI473037B (en) * | 2011-10-11 | 2015-02-11 | Univ Nat Taiwan | Mirror image suppression method |
| CN102525406A (en) * | 2012-02-14 | 2012-07-04 | 苏州微清医疗器械有限公司 | Three-dimensional imaging device for retina |
| CN102735617B (en) * | 2012-06-29 | 2014-06-04 | 浙江大学 | Super-resolution microscopic method and super-resolution microscopic device |
| CN103345062B (en) * | 2013-07-10 | 2015-03-18 | 北京空间机电研究所 | High resolution stereo mapping and reconnaissance integrated camera optical system |
| CN105476605B (en) * | 2015-12-31 | 2020-04-14 | 东莞理工学院 | High-speed optical coherence tomography system and method |
| CN205490869U (en) * | 2016-03-03 | 2016-08-17 | 北京志光伯元科技有限公司 | Motion target is caught and tracking device |
| CN107153259A (en) * | 2017-07-09 | 2017-09-12 | 孝感市青谷信息科技有限公司 | A kind of wide-angle high definition day and night miniature imaging lens |
| CN108845408B (en) * | 2018-07-03 | 2020-07-14 | 上海理工大学 | High-resolution high-speed imaging method and device based on polyhedral prism and beam frequency modulation |
-
2019
- 2019-04-01 CN CN201910257076.5A patent/CN109981986B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN109981986A (en) | 2019-07-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9846298B2 (en) | Off-axis three-mirror optical system with freeform surfaces | |
| CN110749986B (en) | Infrared continuous zoom area array scanning optical system and image shift compensation method | |
| CN109981986B (en) | Reflective infrared micro-scanning optical imaging system for image super-resolution restoration | |
| CN110989152A (en) | Common-path flexible off-axis four-inverse focal length optical system | |
| CN108227164B (en) | Free-form surface off-axis three-reflection-image-side telecentric optical system | |
| CN103293666B (en) | Secondary mirror is the coaxial four catoptrons initiatively varifocal optical system of sphere | |
| CN102981270A (en) | Unblocked adaptive varifocal optical system and calibration method thereof | |
| CN110780432B (en) | Non-coaxial total reflection type active zooming relay optical system without moving element | |
| CN110749985B (en) | Large-magnification continuous zoom area array scanning infrared optical system and image shift compensation method | |
| CN104155758A (en) | Large-view-field curved surface focal plane imaging method and system based on image transmitting optical fiber bundle | |
| CN101281025A (en) | Eccentric inspection apparatus and eccentric adjusting apparatus | |
| CN104360464A (en) | Continuous zooming optical system | |
| CN103364945B (en) | A kind of element is ejector half zoom steady picture Integral imaging optical system not | |
| US20170115435A1 (en) | Broadband Imaging with Diffractive Waveplate Optics | |
| CN110596870A (en) | Compact visible-infrared dual-waveband optical system | |
| CN213690096U (en) | Medium wave refrigeration infrared continuous zooming optical system | |
| CN110376725A (en) | A kind of fish eye lens system | |
| JP2013065017A5 (en) | ||
| CN109946829B (en) | Design method for zoom surface shape of deformable mirror in zoom and image stabilization integrated imaging system | |
| CN102103251B (en) | Panoramic lens and zooming method thereof | |
| CN107390348B (en) | Optical imaging device and camera | |
| CN210742601U (en) | Modular refraction and reflection type medium wave infrared athermal lens | |
| CN105301759A (en) | Self-adaptive optical compensation device and compensation method based on reflector array | |
| CN103837981B (en) | A kind of method improving segmented micro deformable mirror fill factor, curve factor | |
| CN201373948Y (en) | Beam polarization state converting and regulating system |
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 |