CN102929074A - Lens calibration system of employing imaging technology and calibration method thereof - Google Patents

Lens calibration system of employing imaging technology and calibration method thereof Download PDF

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Publication number
CN102929074A
CN102929074A CN2011102310511A CN201110231051A CN102929074A CN 102929074 A CN102929074 A CN 102929074A CN 2011102310511 A CN2011102310511 A CN 2011102310511A CN 201110231051 A CN201110231051 A CN 201110231051A CN 102929074 A CN102929074 A CN 102929074A
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China
Prior art keywords
module
calibration
camera lens
offset
image
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CN2011102310511A
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Chinese (zh)
Inventor
张斌
沈明
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Altek Corp
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Altek Corp
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Priority to CN2011102310511A priority Critical patent/CN102929074A/en
Publication of CN102929074A publication Critical patent/CN102929074A/en
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Abstract

The invention discloses a lens calibration system of employing an imaging technology and a calibration method thereof. The lens calibration system comprises an image retrieving module, a processing module and a display module; the image retrieving module retrieves a target image through a lens to obtain a real-time image; the processing module analyzes the real-time image to calculate the contrast, the optical axis offset, the offset direction or the offset distance, and the display module displays the real-time image, the contrast, the optical axis offset, the offset direction or the offset distance. According to the lens calibration system of employing the imaging technology and the calibration method thereof, the real-time image can be obtained through the image retrieving module, and the calibration result can be immediately corrected and confirmed without an extra calibrating element. Therefore, the production cost can be reduced. Meanwhile, preferably, the calibration method can be carried out in an automatic mode, therefore, an overlarge error caused by manual calibration or waste of working hours and personnel cost required for reducing calibration can be avoided.

Description

The camera lens calibration system of image application technology and calibration steps thereof
Technical field
The present invention relates to a kind of camera lens calibration system and calibration steps thereof of image application technology, specifically, relate to camera lens calibration system and the calibration steps thereof that a kind of photo-sensitive cell that utilizes charge coupled cell or high-k metal gate devices is applied in the image application technology of zoom lens processing procedure.
Background technology
The assembling of general camera lens is that a plurality of groups eyeglass sequentially is assembled in the lens barrel, checks eyeglass light shaft offset amount after all lens set install into again, detects its light shaft offset amount whether in the tolerance value of described optical axis.But the susceptibility of lens assembling is high, for present optical articles mainly with compact be the situation of feature, relatively improve for the degree of difficulty of lens assembling.Then must disassemble whole arrangement of mirrors sheet greater than tolerance value and re-assembly again if find the light shaft offset amount during check, yet disassemble the doubt that eyeglass in the process can have again the wound of drawing together or damage and Expenses Cost, time and operation.Yet major part still adopts manually starting material, finished product and half-finished surface is detected at present.And manual detection and the impact of judgement subjective factor are very large, so that the testing result confidence level reduces, quality also has unsettled doubt.
There are on the market many equipment to carry out the semi-manufacture detection for eyeglass or camera lens, such as: portrait centering machine, diffraction-type single-point centering machine and charge coupled cell are followed adjustment equipment etc.Wherein, the portrait centering machine is to utilize correlative value to judge to transfer the core quality, need take into account the correlative value of center of gravity and periphery when personnel transfer core, is difficult to carry out.Simultaneously, the manual focus function needs personnel operation, personnel to judge, the subjective factor impact is very large, and quality is unstable.
Diffraction-type single-point centering machine is to utilize the light beats characteristic, looks like to judge the equipment of lens assembling right alignment according to the diffraction core.But, can't confirm simultaneously peripheral modulation transfer function (Modulation Transfer Function, MTF) performance plot and quality thereof when transferring core, also must be with personnel's visual determination, detection confidence is lower.It is that the charge coupled cell camera lens is detected by being installed in thing to be detected dead ahead that charge coupled cell is followed adjustment equipment.Yet known charge coupled cell is then adjusted the equipment Inspection levelness and must be judged according to the collimator measurement, and then gap, rotation and skew also must be judged by the image acquisition system acquisition of equipment in man analysis, expend many operations and time.
Via as can be known above-mentioned, problem time-consuming, that human cost is high and operation is numerous and diverse that known techniques all has.Therefore, with demand, camera lens calibration system and the calibration steps thereof of an image application technology of design, an instant subject under discussion that has become market to use.
Summary of the invention
In view of the problem of above-mentioned known techniques, the object of the present invention is to provide a kind of camera lens calibration system and calibration steps thereof of image application technology, to solve the problem that prior art is time-consuming, human cost is high and operation is numerous and diverse.
To achieve these goals, the present invention has adopted following technical scheme:
The present invention proposes a kind of camera lens calibration system of image application technology, it comprises that a screen, an image capture module, a processing module and show module, wherein, show a target image; The image capture module comprises a photo-sensitive cell that is made of charge coupled cell or high-k metal gate devices, and the image capture module captures target image by camera lens, to obtain an instant video; Process module and be electrically connected the image capture module, and process module and analyze instant video, to calculate a contrast, a light shaft offset amount, an offset direction or an offset distance; Show that module is electrically connected the processing module, and show module displays instant video, contrast, light shaft offset amount, offset direction or offset distance.
Wherein, camera lens calibration system comprises that also one drives module, drive module and be electrically connected the processing module, and driving module control motor moves the multiaxis platform.
Wherein, camera lens is arranged on the multiaxis platform.
Wherein, process the contrast that module is analyzed instant video, obtaining light shaft offset amount, offset direction or the offset distance of camera lens, and drive module and drive the multiaxis platform movement and adjust direction or adjust distance.
Wherein, process module and also analyze instant video, calculate then gap of angle of inclination, a depth of parallelism or with one.
Wherein, show module displays angle of inclination, the depth of parallelism or then gap.
Wherein, process module and analyze instant video, with the angle of inclination of obtaining camera lens, the depth of parallelism or then gap, and drive module and drive the multiaxis platform movement and adjust angle, adjust the depth of parallelism or adjusting play.
The invention allows for a kind of calibration steps of image application technology, be useful in the camera lens calibration system of an image application technology, it comprises the following steps: to utilize a screen display one target image; Capture target image by an image capture module by a camera lens, to obtain an instant video; Utilize and process module analysis instant video, to calculate a contrast, a light shaft offset amount, an offset direction or an offset distance; Control a motor by a driving module and move a multiaxis platform; And by showing module displays instant video, contrast, light shaft offset amount, offset direction or offset distance.
Wherein, described method also comprises provides camera lens to be arranged on the multiaxis platform.
Wherein, described method also comprises the contrast of utilizing the processing module to analyze instant video; Use and process light shaft offset amount, offset direction or the offset distance that module is obtained camera lens; And provide the driving module to drive multiaxis platform movement adjustment direction or adjustment distance.
Wherein, described method also comprises provides the processing module to analyze instant video; Utilization is processed module and is obtained the angle of inclination of camera lens, the depth of parallelism or follow the gap; Drive multiaxis platform movement adjustment angle, adjust the depth of parallelism or adjusting play by driving module; And demonstration module displays angle of inclination, the depth of parallelism are provided or follow the gap.
In sum, the camera lens calibration system of image application technology of the present invention and calibration steps thereof can be obtained instant video by the image capture module, and instant proofread and correct, immediately confirm its calibration result, must the additional calibration element, can reduce production costs by this.Simultaneously, preferably, the present invention can automatic mode carry out, and can avoid by this manual calibration to cause error excessive or lower required man-hour of calibration and the waste of personnel costs.
Description of drawings
Fig. 1 is the camera lens calibration system calcspar of image application technology of the present invention;
Fig. 2 is the calcspar of the first embodiment of the camera lens calibration system of image application technology of the present invention;
Fig. 3 is the schematic diagram of the first embodiment of the camera lens calibration system of image application technology of the present invention;
Fig. 4 is the process flow diagram of the first embodiment of the calibration steps of image application technology of the present invention;
Fig. 5 is the calcspar of the second embodiment of the camera lens calibration system of image application technology of the present invention;
Fig. 6 is first schematic diagram of the second embodiment of the camera lens calibration system of image application technology of the present invention;
Fig. 7 is second schematic diagram of the second embodiment of the camera lens calibration system of image application technology of the present invention;
Fig. 8 is the process flow diagram of the second embodiment of the calibration steps of image application technology of the present invention.
Embodiment
Hereinafter with reference to relevant drawings, the camera lens calibration system of image application technology of the present invention and the embodiment of calibration steps thereof are described, for ease of understanding, the similar elements among the following embodiment illustrates with identical symbol logo.
Please refer to Fig. 1, it is the camera lens calibration system calcspar of image application technology of the present invention.As shown in Figure 1, the camera lens calibration system 1 of image application technology can comprise that a screen 10, an image capture module 11, are processed module 12, a demonstration module 13 and drives module 14.Image capture module 11 can comprise a photo-sensitive cell, as: high-k metal gate devices (Complementary Metal-Oxide-Semiconductor, CMOS) or charge coupled cell (Charge-Coupled-Device, CCD).Image capture module 11 can capture a target image by camera lens, to obtain an instant video 111.Wherein, camera lens is a camera lens to be calibrated, and it can comprise an automatic focus eyeglass group.Process module 12 and be electrically connected image capture module 11, show module 13 and drive module 14, it can be central processing unit (Central Processing Unit, CPU) or microprocessor (Micro-Processing Unit).Process module 12 and can analyze instant video 111, to calculate a contrast, calculate again a light shaft offset amount, an offset direction or an offset distance of camera lens according to contrast.And, process module 12 and also can analyze instant video 111, follow the gap with the angle of inclination, the depth of parallelism or that obtain camera lens.On the implementation, preferably, process module 12 and can automatically calculate or automatic analysis instant video 111, certainly, process module 12 and also can manually set, to analyze or to calculate instant video 111, not as limit.
From the above, show that module 13 can be liquid crystal display (Liquid Crystal Display, LCD) or touch control type LCD screen, and can show instant video 111, contrast, light shaft offset amount, offset direction or offset distance.Screen 10 can be in order to show target image.Driving module 14 can be controlled a motor and move a multiaxis platform 15, and camera lens can be arranged on the multiaxis platform 15, in order to calibration.When the contrast of processing module 12 analysis instant videos 111, during with the light shaft offset amount that obtains camera lens, offset direction or offset distance, drive module 14 and can drive multiaxis platform 15, and mobile one adjustment direction or adjustment distance with respect to offset direction or offset distance.Therefore, the camera lens calibration system 1 of image application technology of the present invention has can carry out for the automatic focus eyeglass group in the camera lens half-finished accent core function, and can be applicable in the processing procedure of making zoom lens.
In addition, when processing module 12 analysis instant videos 111 were obtained angle of inclination, the depth of parallelism of camera lens or followed the gap, driving module 14 can drive multiaxis platform 15 and move adjustment angle, the adjustment depth of parallelism or adjusting play.So the camera lens calibration system 1 capable of regulating camera lens of image application technology of the present invention is placed on the printed circuit board (PCB) with correct angle, has the function of calibration.
Please refer to Fig. 2, it is the calcspar of the first embodiment of the camera lens calibration system of image application technology of the present invention.As shown in Figure 2, the camera lens calibration system 2 of image application technology can comprise that a screen 10, an image capture module 11, are processed module 12, a demonstration module 13, drives module 14 and multiaxis platform 15.Screen 10 can be in order to show target image 101.Image capture module 11 can comprise photo-sensitive cell, as: high-k metal gate devices or charge coupled cell.Image capture module 11 can capture target image 101 by camera lens, to obtain instant video 111.Wherein, camera lens is a camera lens to be calibrated, and it can comprise an automatic focus eyeglass group.Process module 12 and be electrically connected image capture module 11, show module 13 and drive module 14, it can be central processing unit or microprocessor.Process module 12 and can analyze instant video 111, with Calculation Comparison degree 1201, calculate again light shaft offset amount 1202, offset direction 1203 or the offset distance 1204 of camera lens according to contrast 1201.On the implementation, preferably, process module 12 and can automatically calculate or automatic analysis instant video 111, certainly, process module 12 and also can manually set, to analyze or to calculate instant video 111, not as limit.
From the above, show that module 13 can be liquid crystal display or touch control type LCD screen, and can show instant video 111, contrast 1201, light shaft offset amount 1202, offset direction 1203 or offset distance 1204.Drive module 14 controllable motor and move multiaxis platform 15, and camera lens can be arranged on the multiaxis platform 15, in order to calibration.When the contrast 1201 of processing module 12 analysis instant videos 111, during with the light shaft offset amount 1202 that obtains camera lens, offset direction 1203 or offset distance 1204, drive module 14 and can drive multiaxis platform 15, and mobile one adjustment direction or adjustment distance with respect to offset direction 1203 or offset distance 1204.
In other words, the camera lens calibration system 2 of image application technology of the present invention has can carry out for the automatic focus eyeglass group in the camera lens half-finished accent core function, and can be applicable in the processing procedure of making zoom lens.
Fig. 3 is the first embodiment schematic diagram of the camera lens calibration system of image application technology of the present invention.Please in the lump with reference to Fig. 2, screen 10 can be computer screen, light emitting diode indicator, back projection screen or pattern converter, and screen 10 can show target image 101.Camera lens 20 comprises the multigroup eyeglass, and comprising automatic focus eyeglass group 21, and camera lens 20 can be arranged on the multiaxis platform 15, with convenient mobile the calibration.Image capture module 11 captures target images 101 by camera lens 20, and obtains instant video 111.Can analyze instant video 111 by processing module 12, with Calculation Comparison degree 1201, light shaft offset amount 1202, offset direction 1203 or offset distance 1204.
In addition, the calculating of processing module 12 all has its corresponding account form, for instance, and when degree of comparing 1201 test, the brightest GTG value of the target image 101 learnt in advance and dull gray rank value are subtracted each other divided by both additions again, can draw image contrast's value.In other words, image capture module 11 can be obtained instant video 111 by camera lens 20, and account form corresponding to substitution can draw the contrast 1201 of instant video 111 again.This contrast can be more built-in preset value compares with processing module 12, can draw light shaft offset amount 1202, offset direction 1203 or offset distance 1204.
Therefore, when the light shaft offset amount 1202 of processing module 12 and calculate camera lens 20, offset direction 1203 or offset distance 1204, driving module 14 can according to offset direction 1203 or offset distance 1204 control motors, drive multiaxis platform 15 and move the adjustment direction or adjust distance.On the implementation, preferably, process module 12 and can automatically calculate or automatic analysis instant video 111, certainly, process module 12 and also can manually set, to analyze or to calculate instant video 111, be not limited to automated manner or manual mode.Show that module 13 can be liquid crystal display or touch control type LCD screen, and can show instant video 111, contrast 1201, light shaft offset amount 1202, offset direction 1203 or offset distance 1204.
In addition, the camera lens calibration system 2 of image application technology of the present invention can comprise that one be electrically connected to drive the power supply (not shown) of module 14 and image capture module 11, and the electric power that provides calibration camera lens 20 required is provided.
In sum, best, the camera lens calibration system 2 of image application technology of the present invention can adopt robotization to judge and capture the action that instant video 111 carries out camera lens 20 calibrations by image capture module 11, can solve the problem that conventional lenses 20 focusing machines focusings man-hour is long, human cost is too high or production cost is too high, definitely reach accurately, shorten man-hour and reduce the effect of human cost.
Although aforementioned in the process of camera lens calibration system 2 of explanation image application technology of the present invention, the concept of the calibration steps of image application technology of the present invention has been described simultaneously, for clarity sake, below process flow diagram still is shown in addition describes in detail.
Please refer to Fig. 4, it is the process flow diagram of the first embodiment of the calibration steps of image application technology of the present invention, as shown in the figure, the calibration steps of image application technology of the present invention, it is useful in the camera lens calibration system 2 of an image application technology, and the camera lens calibration system of described image application technology comprises that a screen, an image capture module, are processed module, a demonstration module and drives module, a multiaxis platform.The calibration steps of the camera lens calibration system 2 of image application technology comprises the following steps:
Step S11: utilize the screen display target image;
Step S12: provide camera lens to be arranged on the multiaxis platform;
Step S13: capture target image by the image capture module by camera lens, to obtain instant video;
Step S14: utilize and process the contrast that module is analyzed instant video;
Step S15: use and process light shaft offset amount, offset direction or the offset distance that module is obtained camera lens;
Step S16: provide driving module control motor to move the multiaxis platform, adjust direction or adjust distance with mobile; And
Step S17: by showing module displays instant video, contrast, light shaft offset amount, offset direction or offset distance.
Described when the detailed description of the calibration steps of the camera lens calibration system 2 of image application technology of the present invention and embodiment have been narrated the camera lens calibration system 2 of image application technology of the present invention in the front, at this for schematic illustration, just no longer narration.
According to the first embodiment, the present invention also proposes the second embodiment and further illustrates.
Please refer to Fig. 5, it is the calcspar of the second embodiment of the camera lens calibration system of image application technology of the present invention.As shown in Figure 5, the camera lens calibration system 3 of image application technology can comprise that a screen 10, an image capture module 11, are processed module 12, a demonstration module 13, drives module 14 and a multiaxis platform 15.Screen 10 can be in order to show target image 101.Image capture module 11 can comprise photo-sensitive cell, as: high-k metal gate devices or charge coupled cell.Image capture module 11 can capture target image 101 by camera lens, to obtain instant video 111.Wherein, camera lens is a camera lens to be calibrated, and it can comprise an automatic focus eyeglass group.Process module 12 and be electrically connected image capture module 11, show module 13 and drive module 14, it can be central processing unit or microprocessor.Process module 12 and can analyze instant video 111, with the angle of inclination 1211 of obtaining camera lens, the depth of parallelism 1212 or then gap 1213.On the implementation, preferably, process module 12 and can automatically calculate or automatic analysis instant video 111, certainly, process module 12 and also can manually set, to analyze or to calculate instant video 111, not as limit.
From the above, show that module 13 can be liquid crystal display or touch control type LCD screen, and can show instant video 111, angle of inclination 1211, the depth of parallelism 1212 or follow gap 1213.Drive module 14 controllable motor and move multiaxis platform 15, and camera lens can be arranged on the multiaxis platform 15, in order to calibration.Analyze instant video 111 when processing module 12, when obtaining angle of inclination 1211, the depth of parallelism 1212 of camera lens or following gap 1213, driving module 14 can drive multiaxis platform 15 and move the adjustment angle, adjusts the depth of parallelism or adjusting play.So the camera lens calibration system 3 capable of regulating camera lenses of image application technology of the present invention are placed on the printed circuit board (PCB) with correct angle, have the function of calibration.
Please refer to Fig. 6, it is first schematic diagram of the second embodiment of the camera lens calibration system of image application technology of the present invention.Please in the lump with reference to Fig. 1, as shown in the figure, screen 10 can be computer screen, light emitting diode indicator, back projection screen or pattern converter, and screen 10 can show target image 101.Camera lens 20 comprises the multigroup eyeglass, wherein, comprises automatic focus eyeglass group 21.Image capture module 11 captures target images 101 by camera lens 20, and obtains instant video 111.Can analyze instant video 111 by processing module 12, with the angle of inclination 1211 of obtaining camera lens, the depth of parallelism 1212 or then gap 1213.When processing module 12 calculated angle of inclination 1211, the depth of parallelism 1212 of camera lens 20 and printed circuit board (PCB) 30 or follows gap 1213, driving module 14 can drive multiaxis platform 15 and move adjustment angle, the adjustment depth of parallelism or adjusting play.On the implementation, preferably, process module 12 and can automatically calculate or automatic analysis instant video 111, certainly, process module 12 and also can manually set, to analyze or to calculate instant video 111, be not limited to automated manner or manual mode.
Show that module 13 can be liquid crystal display or touch control type LCD screen, and show that module 13 can show angle of inclination 1211, the depth of parallelism 1212 of camera lens 20 or follow gap 1213.Simultaneously, when multiaxis platform 15 moves, during with calibration camera lens 20, show adjustment angle that module 13 can show multiaxis platform 15 and move, adjust the depth of parallelism or adjusting play.
In addition, the camera lens calibration system 3 of image application technology of the present invention can comprise that one be electrically connected to drive the power supply (not shown) of module 14 and image capture module 11, to provide calibration camera lens 20 required electric power.Therefore, the camera lens calibration system 3 capable of regulating camera lenses 20 of image application technology of the present invention are placed on the printed circuit board (PCB) 30 with correct angle, can be applicable in the processing procedure of making zoom lens.
Should be mentioned that in the field, to have and know that usually the knowledgeable should understand along band under the present invention, the enforcement pattern of the camera lens 20 of narrating mode, screen 10 or image capture module 11 setting positions only is for example in front, and unrestricted; In addition, the people who is familiar with technique can be an integrated module in conjunction with above-mentioned functional module group arbitrarily, or is split into the thin section of each function unit, and this will decide on the convenience in the design.
Fig. 7 is second schematic diagram of the second embodiment of the camera lens calibration system of image application technology of the present invention.Please in the lump with reference to Fig. 5 and Fig. 6, image capture module 11 is by camera lens acquisition target image 101, to obtain instant video 111.As shown in the figure, processing module 12 can be analyzed "+" word in the instant video 111, by the position of "+" word, and the angle that analysis camera lens 20 horizontally rotates or the distance of horizontal-shift.Simultaneously, but process the rectangle grid at center in module 12 analysis charts, calculating the then gap 1213 of camera lens 20, and four rectangle grids in four corners in the analysis chart, to calculate camera lens 20 angles of inclination 1211.
Therefore, process module 12 and can analyze instant video 111, with the angle of inclination 1211 of obtaining camera lens 20, the depth of parallelism 1212 or then gap 1213, and driving module 14 can drive multiaxis platform 15 and move the adjustment angle, adjusts the depth of parallelism or adjusting play, calibrate camera lens 20, make it vertical with optical axis.
Although aforementioned in the process of camera lens calibration system 3 of explanation image application technology of the present invention, the concept of the calibration steps of image application technology of the present invention has been described simultaneously, for ask know for the purpose of, below process flow diagram still be shown in addition describe in detail.
Please refer to Fig. 8, it is the process flow diagram of the second embodiment of the calibration steps of image application technology of the present invention, as shown in the figure, the calibration steps of image application technology of the present invention, it is useful in the camera lens calibration system 3 of an image application technology, and the camera lens calibration system of described image application technology comprises that a screen, an image capture module, are processed module, a demonstration module and drives module, a multiaxis platform.The calibration steps of the camera lens calibration system 3 of image application technology comprises the following steps:
Step S21: utilize the screen display target image;
Step S22: provide camera lens to be arranged on the multiaxis platform;
Step S23: capture target image by the image capture module by camera lens, to obtain instant video;
Step S24: provide and process module analysis instant video;
Step S25: utilization is processed module and is obtained the angle of inclination of camera lens, the depth of parallelism or follow the gap;
Step S26: drive multiaxis platform movement adjustment angle, adjust the depth of parallelism or adjusting play by driving module; And
Step S27: provide to show module displays instant video, angle of inclination, the depth of parallelism or follow the gap.
Described when the detailed description of the calibration steps of the camera lens calibration system 3 of image application technology of the present invention and embodiment have been narrated the camera lens calibration system 3 of image application technology of the present invention in the front, at this for schematic illustration, just no longer narration.
In sum, according to camera lens calibration system and the calibration steps thereof of image application technology of the present invention, it can have one or more following advantages:
(1) camera lens calibration system of image application technology of the present invention and calibration steps thereof can be obtained instant video by the image capture module, and instant proofread and correct, immediately confirm its calibration result, must the additional calibration element, can reduce production costs by this.
(2) preferably, the camera lens calibration system of image application technology of the present invention and calibration steps thereof can automatic mode carry out, and the error that can lower by this required man-hour of calibration and avoid manual calibration to cause is excessive.
(3) preferably, the camera lens calibration system of image application technology of the present invention and calibration steps thereof can automatic mode carry out, and can lower by this waste of personnel costs.
The above is the preferred embodiments of the present invention and the know-why used thereof; for a person skilled in the art; in the situation that do not deviate from the spirit and scope of the present invention; any based on apparent changes such as the equivalent transformation on the technical solution of the present invention basis, simple replacements, all belong within the protection domain of the present invention.

Claims (10)

1. the camera lens calibration system of an image application technology is characterized in that, it comprises:
One screen shows a target image;
One image capture module comprises a photo-sensitive cell that is made of charge coupled cell or high-k metal gate devices, and described image capture module captures described target image by a camera lens, to obtain an instant video;
One processes module, is electrically connected described image capture module, and described processing module is analyzed described instant video, to calculate a contrast, a light shaft offset amount, an offset direction or an offset distance;
One shows module, is electrically connected described processing module, the described instant video of described demonstration module displays, described contrast, described light shaft offset amount, described offset direction or described offset distance.
2. the camera lens calibration system of image application technology as claimed in claim 1 is characterized in that, comprises that also one drives module, is electrically connected described processing module, and described driving module is controlled a motor and moved a multiaxis platform.
3. the camera lens calibration system of image application technology as claimed in claim 2 is characterized in that, described camera lens is arranged on the described multiaxis platform.
4. the camera lens calibration system of image application technology as claimed in claim 2, it is characterized in that, described processing module is analyzed the described contrast of described instant video, obtaining the described light shaft offset amount of described camera lens, described offset direction or described offset distance, and described driving module drives described multiaxis platform movement and adjusts direction or adjust distance.
5. the camera lens calibration system of image application technology as claimed in claim 2, it is characterized in that, described processing module is also analyzed described instant video, follow the gap with the angle of inclination, the depth of parallelism or that obtain described camera lens, and by the described angle of inclination of described demonstration module displays, the described depth of parallelism or described then gap.
6. the camera lens calibration system of image application technology as claimed in claim 5, it is characterized in that, described processing module is analyzed described instant video, with the described angle of inclination of obtaining described camera lens, the described depth of parallelism or described then gap, and described driving module drives described multiaxis platform movement one adjustment angle, the adjustment depth of parallelism or an adjusting play.
7. the calibration steps of an image application technology is applicable to a camera lens calibration system, it is characterized in that, described calibration steps comprises the following steps:
Utilize a screen display one target image;
Capture described target image by an image capture module by a camera lens, to obtain an instant video;
Utilize a processing module to analyze described instant video, to calculate a contrast, a light shaft offset amount, an offset direction or an offset distance;
Control a motor by a driving module and move a multiaxis platform; And
Show the described instant video of module displays, described contrast, described light shaft offset amount, described offset direction or described offset distance by one.
8. the calibration steps of image application technology as claimed in claim 7 is characterized in that, also comprises the following steps:
Provide described camera lens to be arranged on the described multiaxis platform.
9. the calibration steps of image application technology as claimed in claim 7 is characterized in that, also comprises the following steps:
Utilize described processing module to analyze the described contrast of described instant video;
Use described processing module to obtain the described light shaft offset amount of described camera lens, described offset direction or described offset distance; And
Providing described driving module to drive described multiaxis platform movement adjusts direction or adjusts distance.
10. the calibration steps of image application technology as claimed in claim 7 is characterized in that, also comprises the following steps:
Provide described processing module to analyze described instant video;
Utilize described processing module to obtain then gap of an angle of inclination of described camera lens, a depth of parallelism or;
Drive described multiaxis platform movement one by described driving module and adjust angle, the adjustment depth of parallelism or an adjusting play; And
The described angle of inclination of described demonstration module displays, the described depth of parallelism or described then gap are provided.
CN2011102310511A 2011-08-12 2011-08-12 Lens calibration system of employing imaging technology and calibration method thereof Pending CN102929074A (en)

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CN104101978A (en) * 2014-07-22 2014-10-15 苏州科达科技股份有限公司 Core calibration device and calibration method
CN104219428A (en) * 2014-08-21 2014-12-17 深圳市金立通信设备有限公司 Camera installation device
CN104219427A (en) * 2014-08-21 2014-12-17 深圳市金立通信设备有限公司 Camera installation method
CN105791657A (en) * 2014-12-19 2016-07-20 宁波舜宇光电信息有限公司 Image module focusing method
CN106488223A (en) * 2016-10-20 2017-03-08 苏州艾微视图像科技有限公司 The method of adjustment of photographic head active optical axis
CN106707448A (en) * 2016-11-28 2017-05-24 歌尔科技有限公司 Adjustment system, adjustment method and display module for assembling lens
CN106791817A (en) * 2016-12-27 2017-05-31 歌尔股份有限公司 The assemble method of camera lens to be assembled and image sensor
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CN109782411A (en) * 2019-03-13 2019-05-21 信利光电股份有限公司 A kind of lens erection method and device
CN110824652A (en) * 2018-08-07 2020-02-21 宁波舜宇光电信息有限公司 Method for assembling structured light projection module

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CN103162939A (en) * 2013-01-07 2013-06-19 福兴达科技实业(深圳)有限公司 Camera lens focusing detection method and device using the same
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CN106488223A (en) * 2016-10-20 2017-03-08 苏州艾微视图像科技有限公司 The method of adjustment of photographic head active optical axis
CN106707448A (en) * 2016-11-28 2017-05-24 歌尔科技有限公司 Adjustment system, adjustment method and display module for assembling lens
CN106791817A (en) * 2016-12-27 2017-05-31 歌尔股份有限公司 The assemble method of camera lens to be assembled and image sensor
CN109324463A (en) * 2017-07-31 2019-02-12 中强光电股份有限公司 Projector and its projection correction's method
CN107920246A (en) * 2017-12-28 2018-04-17 广东欧珀移动通信有限公司 The gradient test method and device of camera module
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CN110824652A (en) * 2018-08-07 2020-02-21 宁波舜宇光电信息有限公司 Method for assembling structured light projection module
CN109782411A (en) * 2019-03-13 2019-05-21 信利光电股份有限公司 A kind of lens erection method and device

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Application publication date: 20130213