CN108225739A - A kind of camera space automatic optimizating system based on bus - Google Patents
A kind of camera space automatic optimizating system based on bus Download PDFInfo
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- CN108225739A CN108225739A CN201711457530.9A CN201711457530A CN108225739A CN 108225739 A CN108225739 A CN 108225739A CN 201711457530 A CN201711457530 A CN 201711457530A CN 108225739 A CN108225739 A CN 108225739A
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- bus
- ground detection
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/80—Camera processing pipelines; Components thereof
Abstract
The invention discloses a kind of camera space automatic optimizating system based on bus, including：For being asked according to user, adjust instruction in stroke is sent to the sextuple adjustment platform with target for camera ground detection platform；And send arrange parameter to camera；Sextuple adjustment platform with target for according to adjust instruction in stroke, horizontal, vertical, front and rear three directions to target and is adjusted along the six degree of freedom of three axial-rotations；Camera, for carrying out imaging parameters setting according to arrange parameter；And the target on the sextuple adjustment platform with target is imaged, it obtains target image data and exports；Video detecting device for target image data to be acquired and parsed, calculates mtf value in real time, obtains the position of MTF maximum values and the corresponding target image data of MTF maximum values and the sextuple adjustment platform with target.The present invention shields environmental impact factor, ensure that reliable accurate and system the safety of the system indexs such as MTF.
Description
Technical field
The invention belongs to aerospace optical remote sensing camera technique field more particularly to a kind of camera space based on bus are automatic
Optimization system.
Background technology
In the development of optical remote sensing imaging system, carrying out MTF, (Modulation Transfer Function are adjusted
Modulation trnasfer function) etc. system indexs accurate test, but the temperature due to laboratory environment, the influence of humidity, air flow-disturbing,
Optimal most accurate result is extremely difficult to, needs the optimization system of a set of automatic exclusive PCR.
Invention content
The technology of the present invention solves the problems, such as：Overcome the deficiencies of the prior art and provide a kind of camera space based on bus certainly
Dynamic optimization system, subsystems are connected in bus, realize the automatic command interaction of each system and the transmission of information, from
Dynamic optimizing judges, realizes the accurate anti-interference automatic optimal of camera MTF etc..
In order to solve the above-mentioned technical problem, the invention discloses a kind of camera space automatic optimizating system based on bus,
Including：
For being asked according to user, stroke is sent to the sextuple adjustment platform (20) with target for camera ground detection platform (10)
Interior adjust instruction；And send arrange parameter to camera (30)；
Sextuple adjustment platform (20) with target refers to for receiving adjustment in the stroke of camera ground detection platform (10) transmission
It enables；According to adjust instruction in stroke, horizontal, vertical, front and rear three directions to target and along three axial-rotations six from
It is adjusted by degree, so that target is located at optimum image plane position；
Camera (30), for receive camera ground detection platform (10) transmission arrange parameter, according to the arrange parameter into
Row imaging parameters are set；And the target on the sextuple adjustment platform (20) with target is imaged, obtain target image data
And it exports；
Video detecting device (40), the target image data for being exported to camera (30) are acquired and parse, in real time
Mtf value is calculated, obtains MTF maximum values and the corresponding target image data of MTF maximum values and the sextuple adjustment with target
The position of platform (20).
In the above-mentioned camera space automatic optimizating system based on bus,
The quantity of camera ground detection platform (10) is one；
The quantity of sextuple adjustment platform (20), camera (30) and video detecting device (40) with target is one or more
Platform；Wherein, the total quantity upper limit of the sextuple adjustment platform (20) with target, camera (30) and video detecting device (40) is less than or equal to
64.
In the above-mentioned camera space automatic optimizating system based on bus,
Camera ground detection platform (10), for working in the first stage when the camera space automatic optimizating system based on bus
When, to be better than the frequency of 100Hz, successively to the sextuple adjustment platform (20) with target send horizontal, vertical, front and rear three directions with
And the adjust instruction along the six degree of freedom stroke of three axial-rotations；
Camera (30), for adjusting the target real time imagery on platform (20) to the 6 DOF with target, obtain real-time target
Logo image I simultaneously exports；
Video detecting device (40), the real-time target image I for being exported to camera (30) is acquired and parses, to adopting
The real-time target image I collected calculates mtf value with 2 times of transmission frequency, obtains current maximum mtf value in each direction and works as
The corresponding adjust instruction in this direction of preceding maximum mtf value；Wherein, six direction corresponds to six instructions；Six instructions are passed through
Bus returns to camera ground detection platform (10)；
Camera ground detection platform (10) is additionally operable to retransmit six instructions that video detecting device (40) returns to institute
The sextuple adjustment platform (20) with target is stated, quickly to realize target in optimum image plane position.
In the above-mentioned camera space automatic optimizating system based on bus,
Camera ground detection platform (10), for working in second stage when the camera space automatic optimizating system based on bus
When, the camera instruction in the range of parameter setting is subjected to layout, and be sent to camera (30) successively；
Camera (30), for the target for having been positioned at optimum image plane position on the sextuple adjustment platform (20) with target
Real time imagery is marked, obtains real-time target image II；
Video detecting device (40) for being better than the frequency of 1000Hz to collected real-time target image II, calculates
Mtf value；When maximum mtf value reaches predetermined threshold value, real-time target image II is stored, and return to camera ground detection platform (10)
Instruction information is completed；Wherein, it is described to have completed instruction information, it is used to indicate present instruction executed completion；
Camera ground detection platform (10) is additionally operable to after receiving and having completed instruction information, sends lower item instruction, Zhi Daosuo
There is instruction to be sent.
The present invention has the following advantages：
(1) it is of the invention using bussing technique, realize camera big data quantity (being more than 10Gbps), high speed (120MHz) data certainly
Dynamic high speed acquisition and fast automatic MTF optimizing, that is, shield environmental impact factor, and ensure that the system indexs such as MTF can be reliable
True and system safety.
(2) present invention relative to manually sending instructions at present, survey by artificial interpretation telemetry, the manual camera for manually depositing figure
Examination mode eliminates the influence of laboratory ambient temperature humidity air flow, substantially increases the precision of the tests such as MTF.
(3) present invention automation realizes that automatic optimal saves human cost, substantially reduces the lead time of camera.
Description of the drawings
Fig. 1 is a kind of structure diagram of the camera space automatic optimizating system based on bus in the embodiment of the present invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, it is public to the present invention below in conjunction with attached drawing
Embodiment is described in further detail.
With reference to Fig. 1, a kind of structure of the camera space automatic optimizating system based on bus in the embodiment of the present invention is shown
Block diagram.In the present embodiment, the camera space automatic optimizating system based on bus, including：
Camera ground detection platform 10 for being asked according to user, sends in stroke to the sextuple adjustment platform 20 with target and adjusts
Whole instruction；And send arrange parameter to camera 30.
Sextuple adjustment platform 20 with target, for receiving adjust instruction in the stroke of the transmission of camera ground detection platform 10；Root
According to adjust instruction in stroke, horizontal, vertical, front and rear three directions to target and along three axial-rotations six degree of freedom into
Row adjustment, so that target is located at optimum image plane position.
Camera 30, for receive camera ground detection platform 10 transmission arrange parameter, according to the arrange parameter carry out into
As parameter setting；And the target on the sextuple adjustment platform 20 with target is imaged, obtain target image data and defeated
Go out.
Video detecting device 40, the target image data for being exported to camera 30 are acquired and parse, and calculate in real time
Mtf value obtains MTF maximum values and the corresponding target image data of MTF maximum values and the sextuple adjustment platform 20 with target
Position.
In the preferred embodiment of the present invention, the quantity of camera ground detection platform 10 is one.Sextuple tune with target
Whole 20, the quantity of camera 30 and video detecting device 40 be one or more；Wherein, the sextuple adjustment platform 20 with target,
The total quantity upper limit of camera 30 and video detecting device 40 is less than or equal to 64.
In the preferred embodiment of the present invention, can be divided by being somebody's turn to do the camera space automatic optimizating system based on bus by two
Stage：First stage (quick to realize target in optimum image plane position) and second stage (automatic to realize the optimizing stage).
Preferably, when the camera space automatic optimizating system based on bus works in the first stage, the inspection of camera ground
Scaffold tower 10, for when the camera space automatic optimizating system based on bus works in the first stage, to be better than the frequency of 100Hz
Rate, successively to the sextuple adjustment platform 20 with target send horizontal, vertical, front and rear three directions and along three axial-rotations six
Adjust instruction in degree of freedom stroke；Camera 30, for adjusting the target real time imagery on platform 20 to the 6 DOF with target,
It obtains real-time target image I and exports；Video detecting device 40, the real-time target image I for being exported to camera 30 are adopted
Collection and parsing calculate mtf values to collected real-time target image I with 2 times of transmission frequency, obtain in each direction it is current most
Big mtf value and the corresponding adjust instruction in this direction of current maximum mtf value；Wherein, six direction corresponds to six instructions；It will
Six instructions return to camera ground detection platform 10 by bus；Camera ground detection platform 10, is additionally operable to video detecting device
40 six instructions returned are retransmitted to the sextuple adjustment platform 20 with target, quickly to realize target in optimum image plane position
It puts.
Preferably, when the camera space automatic optimizating system based on bus works in second stage, the inspection of camera ground
Scaffold tower 10, for when the camera space automatic optimizating system based on bus works in second stage, in the range of parameter setting
Camera instruction carry out layout, and be sent to camera 30 successively；Camera 30, for the sextuple adjustment platform 20 with target
The target real time imagery for having been positioned at optimum image plane position, obtain real-time target image II；Video detecting device 40, for pair
Collected real-time target image II calculates mtf value to be better than the frequency of 1000Hz；When maximum mtf value reaches predetermined threshold value,
Real-time target image II is stored, and is returned to camera ground detection platform 10 and has completed instruction information；Wherein, it is described to have completed to indicate
Information is used to indicate present instruction executed completion；Camera ground detection platform 10, be additionally operable to receive completed instruction information
Afterwards, lower item instruction is sent, until all instructions is sent.
In conclusion the present invention realizes camera big data quantity (being more than 10Gbps), high speed (120MHz) using bussing technique
Data automatic high speed acquires and fast automatic MTF optimizing, that is, shields environmental impact factor, ensure that the system indexs such as MTF
Reliable accurate and system safety.Relative to manually sending instructions at present, artificial interpretation telemetry manually deposits the manual phase of figure
Machine test mode, present invention eliminates the influences of laboratory ambient temperature humidity air flow, substantially increase the essence of the tests such as MTF
Degree.In addition, present invention automation realizes that automatic optimal saves human cost, substantially reduces the lead time of camera.
Each embodiment in this explanation is described by the way of progressive, the highlights of each of the examples are with its
The difference of his embodiment, just to refer each other for identical similar part between each embodiment.
The above, best specific embodiment only of the invention, but protection scope of the present invention is not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, the change or replacement that can be readily occurred in,
It should be covered by the protection scope of the present invention.
The content not being described in detail in description of the invention belongs to the known technology of professional and technical personnel in the field.
Claims (4)
1. a kind of camera space automatic optimizating system based on bus, which is characterized in that including：
Camera ground detection platform (10) for being asked according to user, sends in stroke to the sextuple adjustment platform (20) with target and adjusts
Whole instruction；And send arrange parameter to camera (30)；
Sextuple adjustment platform (20) with target, for receiving adjust instruction in the stroke of camera ground detection platform (10) transmission；Root
According to adjust instruction in stroke, horizontal, vertical, front and rear three directions to target and along three axial-rotations six degree of freedom into
Row adjustment, so that target is located at optimum image plane position；
Camera (30), for receive camera ground detection platform (10) transmission arrange parameter, according to the arrange parameter carry out into
As parameter setting；And the target on the sextuple adjustment platform (20) with target is imaged, obtain target image data and defeated
Go out；
Video detecting device (40), the target image data for being exported to camera (30) are acquired and parse, and calculate in real time
Mtf value obtains MTF maximum values and the corresponding target image data of MTF maximum values and the sextuple adjustment platform with target
(20) position.
2. the camera space automatic optimizating system according to claim 1 based on bus, which is characterized in that
The quantity of camera ground detection platform (10) is one；
The quantity of sextuple adjustment platform (20), camera (30) and video detecting device (40) with target is one or more；Its
In, the total quantity upper limit of sextuple adjustment platform (20), camera (30) and video detecting device (40) with target is less than or equal to 64.
3. the camera space automatic optimizating system according to claim 1 based on bus, which is characterized in that
Camera ground detection platform (10), for when the camera space automatic optimizating system based on bus works in the first stage,
To be better than the frequency of 100Hz, successively to the sextuple adjustment platform (20) with target send horizontal, vertical, front and rear three directions and
The adjust instruction along the six degree of freedom stroke of three axial-rotations；
Camera (30), for adjusting the target real time imagery on platform (20) to the 6 DOF with target, obtain real-time target and mark on a map
As I and export；
Video detecting device (40), the real-time target image I for being exported to camera (30) is acquired and parses, to collecting
Real-time target image I calculate mtf values with 2 times of transmission frequency, obtain current maximum mtf value in each direction and it is current most
The corresponding adjust instruction in this direction of big mtf value；Wherein, six direction corresponds to six instructions；Six instructions are passed through into bus
Back to camera ground detection platform (10)；
Camera ground detection platform (10) is additionally operable to retransmit six instructions that video detecting device (40) returns to the band
The sextuple adjustment platform (20) of target, quickly to realize target in optimum image plane position.
4. the camera space automatic optimizating system according to claim 3 based on bus, which is characterized in that
Camera ground detection platform (10), for when the camera space automatic optimizating system based on bus works in second stage,
Camera instruction in the range of parameter setting is subjected to layout, and be sent to camera (30) successively；
Camera (30), for real to the target for having been positioned at optimum image plane position on the sextuple adjustment platform (20) with target
When be imaged, obtain real-time target image II；
Video detecting device (40) for being better than the frequency of 1000Hz to collected real-time target image II, calculates MTF
Value；When maximum mtf value reaches predetermined threshold value, real-time target image II is stored, and return to camera ground detection platform (10)
Complete instruction information；Wherein, it is described to have completed instruction information, it is used to indicate present instruction executed completion；
Camera ground detection platform (10) is additionally operable to after receiving and having completed instruction information, lower item instruction is sent, until all fingers
Order is sent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711457530.9A CN108225739B (en) | 2017-12-28 | 2017-12-28 | Bus-based automatic optimization system for space camera |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711457530.9A CN108225739B (en) | 2017-12-28 | 2017-12-28 | Bus-based automatic optimization system for space camera |
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| Publication Number | Publication Date |
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| CN108225739A true CN108225739A (en) | 2018-06-29 |
| CN108225739B CN108225739B (en) | 2020-09-18 |
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