CN101470899A - Real-time regulating system for centering optical axis of CCD stereo camera - Google Patents
Real-time regulating system for centering optical axis of CCD stereo camera Download PDFInfo
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- CN101470899A CN101470899A CNA2007103065027A CN200710306502A CN101470899A CN 101470899 A CN101470899 A CN 101470899A CN A2007103065027 A CNA2007103065027 A CN A2007103065027A CN 200710306502 A CN200710306502 A CN 200710306502A CN 101470899 A CN101470899 A CN 101470899A
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- ccd
- optical axis
- stereoscopic camera
- regulating system
- time regulating
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Abstract
The invention relates to a system for adjusting an optical axis of a CCD stereo camera to the center in real time. The system for adjusting an optical axis of a CCD stereo camera to the center in real time which is provided by the invention comprises parallel light pipes (1), window glass (2), a stereo camera lens (3), a CCD (4) and a computer data collecting system (5), wherein the window glass (2), the stereo camera lens (3) and the CCD (4) are arranged on the optical axis of the parallel light pipes (1) in turn, and the computer data collecting system (5) is connected with the CCD (4). The invention provides the system for adjusting an optical axis of a CCD stereo camera to the center in real time with convenient adjustment, which can obtain the central deviation value in real time, for solving the technical problem in an existing CCD stereo camera that the real time adjustment of the optical axial with high precision to the center is difficult.
Description
Technical field
The present invention relates to a kind of optical axis to the center real-time regulating system, especially a kind of CCD stereoscopic camera optical axis is to the center real-time regulating system.
Background technology
The CCD stereoscopic camera belongs to the scope of mapping camera, can be applicable to aerospace field, also can be applicable to the ground mapping.When carrying out stereo mapping, the intrinsic parameter of mapping camera itself there is certain requirement, wherein, the optical axis of optical lens and the centre bit of focal plane are equipped with the assembly precision requirement of comparison strictness.At the CCD stereoscopic camera, to adjust in 1 pixel with regard to the geometric position that requires optical axis and focal plane intersection point, the offset difference of ascending the throne is less than 0.015mm.At present, yet there are no the report of this type of high precision Adjustment System.
Summary of the invention
The technical matters that the present invention adjusts the center in real time for the high precision optical axis that the CCD stereoscopic camera that solves in the background technology exists, and provide a kind of CCD stereoscopic camera optical axis to the center real-time regulating system.
Technical solution of the present invention is: the present invention is that a kind of CCD stereoscopic camera optical axis is to the center real-time regulating system, its special character is: this system comprises parallel light tube 1, window glass 2, stereoscopic camera camera lens 3, CCD4 and computer data acquisition system 5, window glass 2, stereoscopic camera camera lens 3, CCD4 are successively set on the optical axis of parallel light tube 1, and computer data acquisition system 5 is joined with CCD4.
Above-mentioned parallel light tube 1 is the standard light pipe of focal length greater than 4 times of focal lengths that are adjusted stereoscopic camera camera lens 3.
Above-mentioned window glass 2 should meet the sheet glass of the visual field requirement of stereoscopic camera camera lens 3 for bore.
The coupling of the pixel dimension that above-mentioned stereoscopic camera camera lens 3 is lens focus and CCD4 is the camera lens of first resolution contentedly.
Above-mentioned CCD4 can adopt the area array CCD device.
Aforementioned calculation machine data acquisition system 5 is and the corresponding special-purpose capture card of CCD4 that uses.
The present invention utilizes optical axis the center real-time regulating system to be realized the real-time adjustment at camera lens optical axis and CCD center, can satisfy the adjustment requirement of various area array CCDs, and have real-time, characteristics that precision is high, can satisfy tridimensional mapping camera to the positional precision needs of optical axis to the center.Therefore utilize optical axis of the present invention that the center real-time regulating system is realized that the advantage of CCD pixel center and optical axis position requirement is: can obtain the centre deviation value in real time, easy to adjust, the precision at center is higher than the pixel of CCD.
Description of drawings
Fig. 1 is a system chart of the present invention.
Embodiment
Referring to Fig. 1, the present invention includes parallel light tube 1, window glass 2, stereoscopic camera camera lens 3, CCD4 and computer data acquisition system 5, window glass 2, stereoscopic camera camera lens 3, CCD4 are successively set on the optical axis of parallel light tube 1, and computer data acquisition system 5 is joined with CCD4, wherein
Parallel light tube 1 is the standard light pipe of suitable focal length.The focal length of used parallel light tube 1 should be greater than 4 times of focal lengths that are adjusted stereoscopic camera camera lens 3.
Window glass 2 is the sheet glass that mates with stereoscopic camera camera lens 3.The sheet glass bore should meet the visual field requirement of stereoscopic camera camera lens 3.
Stereoscopic camera camera lens 3 is the camera lens that mates with the pixel dimension of CCD4.The coupling of lens focus and pixel dimension should first contentedly resolution requirement.
CCD4 can adopt various types of area array CCD devices.
Computer data acquisition system 5 is and the corresponding special-purpose capture card of CCD device that uses.
When the present invention works, at first should make the outside surface of window glass 2 vertical with the optical axis of stereoscopic camera camera lens 3, whether whether the outside surface vertical adjustment with the optical axis of parallel light tube 1 and window glass 2 is straight again, vertically can overlap by the autocollimatic reflection image of 1 pair of window glass 2 of parallel light tube and judge.Connect computer acquisition system, the inconocenter position of target on the CCD4 focal plane that can show parallel light tube 1 in real time, after drawing the centre deviation value, according to the relative position of bias direction and numerical values recited adjustment CCD4 and stereoscopic camera camera lens 3, until reaching deviation less than a pixel.Be in course of adjustment, should monitor the autocollimatic reflection image of parallel light tube 1 simultaneously, guarantee that reflection image overlaps.
Claims (6)
1, a kind of CCD stereoscopic camera optical axis is to the center real-time regulating system, it is characterized in that: this system comprises parallel light tube (1), window glass (2), stereoscopic camera camera lens (3), CCD (4) and computer data acquisition system (5), described window glass (2), stereoscopic camera camera lens (3), CCD (4) are successively set on the optical axis of parallel light tube (1), and described computer data acquisition system (5) is joined with CCD (4).
2, CCD stereoscopic camera optical axis according to claim 1 is characterized in that the center real-time regulating system: described parallel light tube (1) is the standard light pipe of focal length greater than 4 times of focal lengths that are adjusted stereoscopic camera camera lens (3).
3, CCD stereoscopic camera optical axis according to claim 1 is characterized in that the center real-time regulating system: described window glass (2) should meet the sheet glass of the visual field requirement of stereoscopic camera camera lens (3) for bore.
4, CCD stereoscopic camera optical axis according to claim 1 is characterized in that the center real-time regulating system: described stereoscopic camera camera lens (3) is the coupling of the pixel dimension of lens focus and CCD (4) camera lens of first resolution contentedly.
5, CCD stereoscopic camera optical axis according to claim 1 is characterized in that the center real-time regulating system: described CCD (4) can adopt the area array CCD device.
6, CCD stereoscopic camera optical axis according to claim 5 is characterized in that the center real-time regulating system: described computer data acquisition system (5) is and the corresponding special-purpose capture card of CCD (4) that uses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007103065027A CN101470899A (en) | 2007-12-28 | 2007-12-28 | Real-time regulating system for centering optical axis of CCD stereo camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007103065027A CN101470899A (en) | 2007-12-28 | 2007-12-28 | Real-time regulating system for centering optical axis of CCD stereo camera |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101470899A true CN101470899A (en) | 2009-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007103065027A Pending CN101470899A (en) | 2007-12-28 | 2007-12-28 | Real-time regulating system for centering optical axis of CCD stereo camera |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102829737A (en) * | 2011-06-14 | 2012-12-19 | 致伸科技股份有限公司 | Method for judging mutual parallel situation of camera lens and sensing element of image capturing device |
| CN104007560A (en) * | 2014-03-26 | 2014-08-27 | 中国科学院长春光学精密机械与物理研究所 | Auxiliary adjustment device for optical lenses |
| CN104280995A (en) * | 2014-09-19 | 2015-01-14 | 北京空间机电研究所 | Quick imaging method of camera focal plane charge coupled device |
| CN108627085A (en) * | 2017-03-17 | 2018-10-09 | 长春工业大学 | Large apertures system laser centring device and method |
-
2007
- 2007-12-28 CN CNA2007103065027A patent/CN101470899A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102829737A (en) * | 2011-06-14 | 2012-12-19 | 致伸科技股份有限公司 | Method for judging mutual parallel situation of camera lens and sensing element of image capturing device |
| CN102829737B (en) * | 2011-06-14 | 2015-05-20 | 致伸科技股份有限公司 | Method for judging mutual parallel situation of camera lens and sensing element of image capturing device |
| CN104007560A (en) * | 2014-03-26 | 2014-08-27 | 中国科学院长春光学精密机械与物理研究所 | Auxiliary adjustment device for optical lenses |
| CN104280995A (en) * | 2014-09-19 | 2015-01-14 | 北京空间机电研究所 | Quick imaging method of camera focal plane charge coupled device |
| CN104280995B (en) * | 2014-09-19 | 2017-04-19 | 北京空间机电研究所 | Quick imaging method of camera focal plane charge coupled device |
| CN108627085A (en) * | 2017-03-17 | 2018-10-09 | 长春工业大学 | Large apertures system laser centring device and method |
| CN108627085B (en) * | 2017-03-17 | 2023-11-28 | 长春工业大学 | Large hole system laser centering device and method |
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Open date: 20090701 |