CN104101978A - Core calibration device and calibration method - Google Patents
Core calibration device and calibration method Download PDFInfo
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- CN104101978A CN104101978A CN201410349876.7A CN201410349876A CN104101978A CN 104101978 A CN104101978 A CN 104101978A CN 201410349876 A CN201410349876 A CN 201410349876A CN 104101978 A CN104101978 A CN 104101978A
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Abstract
The invention relates to a core calibration device. The core calibration device comprises a light box with a through hole, a graphic card arranged in the light box, a lens, a sensitive plate, a drive assembly, a display, an operation component, and a control assembly, wherein the lens and the sensitive plate are arranged at the through hole and used for obtaining and forming graphic card images, the drive assembly drives the sensitive plate to move so as to change the position relationship of the sensitive plate and the lens, the display is used for displaying the graphic card images, the operation component is used for operating the display to display different states of the graphic card images, and the control assembly is used for judging whether or not the drive assembly is started according to the different states of the graphic card images. The core calibration device is capable of calibrating the lens and the center of the sensitive plate for alignment, so that a shooting image center does not produce large displacement after a camera is zoomed. Besides, the invention further provides a core calibration method for using the core calibration device.
Description
Technical field
The present invention relates to a kind of movement calibrating installation and calibration steps, belong to high-definition camera mounting technology field.
Background technology
Integrated camera core is very extensive in the application of high-end monitoring field, by by integrated to camera lens and photosensory assembly, realizes large multiplying power autozoom.In the autozoom process of large multiplying power, the picture centre that is taken must be observed all the time, can not have larger displacement.If camera lens does not line up at the center of assembling rear center's axle and sensor devices, will cause in zoom process, particularly in amplification process, display screen is even deflected away from the larger displacement of generation of photographic images center, thereby cannot capture the detail pictures after amplification.
Chinese patent literature CN102929074A discloses a kind of camera lens calibration system and calibration steps thereof of image application technology, and camera lens calibration system comprises image capture module, processes module and shows module.Image capture module captures target image by camera lens, to obtain instant video.Process module and analyze instant video, to calculate contrast, light shaft offset amount, offset direction or offset distance.Show module displays instant video, contrast, light shaft offset amount, offset direction or offset distance, complete calibration by adjusting camera lens angle of inclination, the depth of parallelism and following gap.But the document only provides the adjustment to camera lens, cannot in the situation that fixing, realize by camera lens the assembling calibration to camera lens and photographic plate center.
Summary of the invention
For this reason, technical matters to be solved by this invention is to overcome camera lens of the prior art and photographic plate center does not line up, after causing zoom there is the technical matters of larger displacement in photographic images center, thereby a kind of calibration camera lens and the Centered device of photographic plate are provided.
Another technical matters to be solved by this invention is to overcome camera lens of the prior art and photographic plate center does not line up, after causing zoom there is the technical matters of larger displacement in photographic images center, thereby a kind of calibration camera lens and the Centered method of photographic plate are provided.
For solving the problems of the technologies described above, a kind of movement calibrating installation of the present invention, comprise: the light box with through hole, be arranged on the graph card of light box inside, be arranged on described through hole for obtaining and camera lens and the photographic plate of formation figure card graphic, drive described photographic plate to move to change the driven unit of described photographic plate and described lens location relation, show the display of figure card graphic, operate described display to show the functional unit of described figure card graphic different conditions, and judge whether to start the Control Component of described driven unit according to the different conditions of described figure card graphic.
Movement calibrating installation of the present invention, described through hole, graph card and camera lens are arranged on the center line of light box.
Further, movement calibrating installation of the present invention also comprises the hold assembly that clamps photographic plate, and described driven unit can drive hold assembly to make X, Y, Z three-D displacement.
Movement calibrating installation of the present invention, light box is the casing of sealing, is provided with light source in casing.
Movement calibrating installation of the present invention, described graph card is drawn rectangular node.
Movement calibrating installation of the present invention, is marked with taking the cross mark center of display the circle as radius with respect to the maximum offset permissible value of described figure card graphic on described graph card, and the center of circle of described circle.
In addition, the present invention also provides a kind of more accurate method of movement that uses above-mentioned movement calibrating installation, comprises
S1: graph card and camera lens are fixed on light box, photographic plate is connected with driven unit, regulate distance and the position of driven unit camera lens and photographic plate, make photographic plate can obtain the figure card graphic of camera lens picked-up, use cross mark in display center position;
S2: make camera lens enlargement factor minimum by operating assembly, the position of the center of the cross mark figure card graphic shown with respect to display on observation display, enlarged image gradually, measures the center of cross mark with respect to the maximum offset of described image;
S3: judge whether described maximum offset is greater than permissible value, regulates photographic plate position when described maximum offset is greater than permissible value by driven unit, and repeat S2 step at least one times, until maximum offset enters S4 step while being less than permissible value;
S4: tablet is fixed on camera lens, completes movement installment work.
The more accurate method of movement of the present invention, in described S3 step, described driven unit regulates the mode of photographic plate position to be:
A1:X direction of principal axis regulates, enlarged image, and measurement cross mark center is the side-play amount in X-axis with respect to figure card graphic, regulates photographic plate to do the displacement identical with the offset direction of described X-axis in X-direction by driven unit;
A2:Y direction of principal axis regulates, enlarged image, and measurement cross mark center is the side-play amount in Y-axis with respect to figure card graphic, regulates photographic plate to do the displacement identical with the offset direction of described Y-axis in Y direction by driven unit.
The more accurate method of movement of the present invention, in described S3 step, judge that the method whether maximum offset is greater than permissible value is: on graph card, mark the circle taking described maximum offset permissible value as radius, camera lens enlargement factor is adjusted to minimum and by the aligning center of circle, described cross mark center, in enlarged image process, described bowlder is deflected away from cross mark center can judge that maximum offset is greater than permissible value.
Whether the more accurate method of movement of the present invention, in described S3 step, be greater than permissible value by artificial or computing machine automatic decision maximum offset.
The more accurate method of movement of the present invention, in described S4 step, is fixed on described tablet on described camera lens by a glue.
Technique scheme of the present invention has the following advantages compared to existing technology:
(1) movement calibrating installation of the present invention, by changing display at the different conditions that shows figure card graphic, can obtain the whether side-play amount between center-aligned and camera lens and photographic plate and the information of offset direction of camera lens and photographic plate, and start accordingly Control Component and make driven unit drive the motion of described photographic plate, change described photographic plate and described lens location relation with the side-play amount between produced color difference and photographic plate and offset direction, thereby make camera lens and photographic plate center-aligned, thereby the technical matters of the larger displacement of photographic images center generation after solution zoom.
(2) movement calibrating installation of the present invention, by described through hole, graph card and camera lens being arranged on the center line of light box, can make camera lens can absorb the image of whole graph card, the picked-up to figure card graphic when convenient calibration, and the choosing of shown figure card graphic on display.
(3) movement calibrating installation of the present invention, described driven unit drives hold assembly to make X, Y, Z three-D displacement.Wherein can regulate Z direction to be subjected to displacement in vertical direction with dynamic tabula rasa, for regulating the vertical range of photographic plate and camera lens, make photographic plate can get the image that camera lens absorbs, complete focus process.Regulate X, Y-direction to be subjected to displacement in the horizontal direction by dynamic tabula rasa, for calibrating camera lens and photographic plate center-aligned.Thereby by X, Y, Z three-D displacement, focusing and calibration camera lens and the Centered function of photographic plate have been realized simultaneously.
(4) movement calibrating installation of the present invention, makes calibrating installation can break away from the dependence to extraneous light by casing and light source that sealing is set, and eliminates the impact of extraneous light on imaging, for photographic plate and camera lens provide stable imaging effect.
(5) movement calibrating installation of the present invention, draw rectangular node at graph card, can observe easily image in amplification and dwindle in process, the sense of displacement of the relative figure card graphic of display center, and can calculate intuitively displacement, particularly, for computer controlled automatic, use standardized rectangular node, may thereby control for computing machine inductive displacement direction and displacement that position that driven unit regulates photographic plate provides.
(6) movement calibrating installation of the present invention, is marked with in Image Zooming process taking the cross mark center of display the circle as radius with respect to the maximum offset permissible value of described figure card graphic on described graph card, and the center of circle of described circle.Judging that described camera lens and photographic plate whether when center-aligned, only need, before calibration, be adjusted to minimum by enlargement factor, and display center is aimed to the center of circle of described circle, then observe in amplification process, whether display center deflects away from circle, can judge whether maximum offset is greater than permissible value.By described circle is set on graph card, can judge very simply, easily whether center-aligned of described camera lens and photographic plate.
(7) the more accurate method of movement of the present invention, in S1 step, graph card and camera lens are fixed on light, photographic plate is connected with driven unit, regulate distance and the position of driven unit camera lens and photographic plate, make photographic plate can obtain the figure card graphic of camera lens picked-up, use cross mark in display center position.Completed the preliminary work of this movement calibration steps by S1 step, by use cross mark in display center position, make more directly perceived in the time of the whether alignment that judge camera lens and photographic plate, facilitate.
In S2 step, make camera lens enlargement factor minimum by operating assembly, the position of the center of the cross mark figure card graphic shown with respect to display on observation display, enlarged image gradually, measures the center of cross mark with respect to the maximum offset of described image.By when the minimum enlargement factor, certain point on graph card is aimed in the center of cross mark on display, then in the process of enlarged image, judge the whether alignment of camera lens and photographic plate with respect to the side-play amount of the point on graph card by observing the center of cross mark, and obtain the value of maximum offset, with respect to the offset direction of the point on graph card, the adjusting direction of photographic plate is made to guidance by the center of observing cross mark.
In S3 step, by judging whether described maximum offset is greater than permissible value, judge the whether alignment of camera lens and photographic plate, if maximum offset is to be less than permissible value, think and the alignment of camera lens and photographic plate do not need photographic plate position to adjust, directly enter S4 step; If just need to regulate photographic plate position by driven unit when maximum offset is greater than permissible value, and repeat S2 step at least one times, again obtain the value of maximum offset, until maximum offset enters S4 step while being less than permissible value.
In S4 step, after the calibration that completes above-mentioned steps by tablet is fixed on camera lens, thereby complete the installment work of movement, finally obtained by S4 step that camera lens and photographic plate alignd, the satisfactory camera movement of displacement that photographic images center occurs in the time of zoom.
(8) the more accurate method of movement of the present invention, in described S3 step, described driven unit regulates the mode of photographic plate position to be divided into X-direction adjusting and Y direction regulates.Offset to by the center of cross mark with respect to image that X-axis and Y-axis both direction are decomposed into X-direction skew and Y direction is offset, make in X-direction and Y direction by driven unit control photographic plate that displacement compensates respectively X-direction skew and Y direction is offset, thereby complete aliging of camera lens and photographic plate.This regulative mode can be simplified driven unit, and conveniently makes correct judgement to offset direction with to photographic plate sense of displacement.
(9) the more accurate method of movement of the present invention, in described S3 step, on graph card, mark circle and the center of circle taking described maximum offset permissible value as radius, camera lens enlargement factor is adjusted to minimum and by the aligning center of circle, described cross mark center, in enlarged image process, whether deflect away from described circle by observation cross mark center and just can judge whether maximum offset is greater than permissible value.Make to judge whether maximum offset is greater than the comparatively complicated process of this script of permissible value and becomes very directly perceived, simple.
(10) the more accurate method of movement of the present invention, is judging whether maximum offset is greater than permissible value and both can also can passes through computing machine automatic decision by artificial judgment, makes the more accurate method of movement of the present invention have very strong adaptability.While using computing machine to judge, can greatly increase work efficiency, reduce cost of labor.
(11) the more accurate method of movement of the present invention, tablet is fixed on camera lens with a glue, in last fixation procedure, the position of tablet and camera lens is not changed, calibration achievement to tablet and camera lens before having ensured, has improved calibration accuracy.
Brief description of the drawings
For content of the present invention is more likely to be clearly understood, below according to a particular embodiment of the invention and by reference to the accompanying drawings, the present invention is further detailed explanation, wherein
Fig. 1 is movement calibrating installation structural drawing of the present invention.
In figure, Reference numeral is expressed as: 1-display; 2-driven unit; 3-Control Component; 4-camera lens; 5-hold assembly, 51-connecting link, 52-brace table, 53-through hole; 6-photographic plate; 7-graph card; 8-light box.
Embodiment
Understand for technical characterictic of the present invention, object and effect being had more clearly, now contrast brief description of the drawings the specific embodiment of the present invention.
Embodiment 1
The present embodiment provides a kind of movement calibrating installation, as shown in Figure 1, comprise the light box 8 with through hole, be arranged on the graph card 7 of light box 8 inside, be arranged on described through hole for obtaining and form camera lens 4 and the photographic plate 6 of graph card 7 images, drive described photographic plate 6 to move to change the driven unit 2 of described photographic plate 6 and described camera lens 4 position relationships, show the display 1 of graph card 7 images, operate described display 1 to show the functional unit of described graph card 7 image different conditions, and judge whether to start the Control Component 3 of described driven unit 2 according to the different conditions of described graph card 7 images.
By changing display 1 at the different conditions that shows graph card 7 images, can obtain the whether side-play amount between center-aligned and camera lens 4 and photographic plate 6 and the information of offset direction of camera lens 4 and photographic plate 6, and start accordingly Control Component 3 and make driven unit 2 drive 6 motions of described photographic plate to change described photographic plates 6 and described camera lens 4 position relationships with side-play amount and offset direction between produced color difference 4 and photographic plate 6, thereby make camera lens 4 and photographic plate 6 center-aligned, thereby the technical matters of the larger displacement of photographic images center generation after solution zoom.
The movement calibrating installation of the present embodiment, described through hole, graph card 7 and camera lens 4 are arranged on the center line of light box 8.Above-mentioned parts are all arranged on center line, can make camera lens 4 can absorb the image of whole graph card 7, the picked-up to graph card 7 images when convenient calibration, and the choosing of shown graph card 7 images on display 1.
The movement calibrating installation of the present embodiment, also comprise the hold assembly 5 that clamps photographic plate 6, described hold assembly 5 one end are connected with driven unit 2, other end clamping photographic plate 6, described driven unit 2 uses existing three shaft-type governors of prior art, MXYZ-60L, MXYZ-60R, the MXYZ-60C series that for example can use Taiwan TTK company to produce, comprise X-axis regulator, Y-axis regulator and Z axis regulator, can drive hold assembly 5 to make X, Y, Z three-shaft displacement.Described X-axis regulator, Y-axis regulator and Z axis regulator can be that manual actuation regulates, and can be also to drive X-axis regulator, Y-axis regulator and Z axis regulator by computer control motor.But described driven unit 2 is not limited to above-mentioned disclosed regulator, can be also other three shaft-type governors that can realize three-shaft displacement.
Wherein can regulate Z direction to be subjected to displacement in vertical direction by dynamic tabula rasa 6, for regulating vertical 1 distance of photographic plate 6 and camera lens 4, make photographic plate 6 can get the image that camera lens 4 absorbs, complete focus process.Regulate X, Y-direction to be subjected to displacement in the horizontal direction by dynamic tabula rasa 6, for calibrating camera lens 4 and photographic plate 6 center-aligned.Thereby by X, Y, Z three-D displacement, focusing and calibration camera lens 4 and the Centered function of photographic plate 6 have been realized simultaneously.
The movement calibrating installation of the present embodiment, light box 8, for the casing of sealing, is provided with light source in casing.Make calibrating installation can break away from the dependence to extraneous light by casing and light source that sealing is set, and eliminate the impact of extraneous light on imaging, for photographic plate 6 and camera lens 4 provide stable imaging effect.
The movement calibrating installation of the present embodiment, described graph card 7 is drawn rectangular node.By rectangular node can observe easily image amplify and dwindle in process, display 1 cross mark center relatively and the sense of displacement of shown graph card 7 images of display 1, and can calculate intuitively displacement, particularly for computer controlled automatic, use standardized rectangular node, thus for computing machine inductive displacement direction and displacement control driven unit 2 regulate the position of photographic plate 6 to provide may.
The movement calibrating installation of the present embodiment, is marked with taking the cross mark center of display the circle as radius with respect to the maximum offset permissible value of described graph card 7 images on described graph card 7, and the center of circle of described circle.Judging that described camera lens 4 and photographic plate 6 are whether when center-aligned, only need be before calibration, enlargement factor is adjusted to minimum, and display 1 cross mark center is aimed to the center of circle of described circle, then observe in amplification process, whether display 1 cross mark center deflects away from circle, can judge whether maximum offset is greater than permissible value.By described circle is set on graph card 7, can judge very simply, easily whether center-aligned of described camera lens 4 and photographic plate 6.
Embodiment 2
The present embodiment provides the more accurate method of movement of the movement calibrating installation described in a kind of embodiment of use 1, comprises
S1: graph card 7 and camera lens 4 are fixed on light box 8, photographic plate 6 is connected with driven unit 2, regulate driven unit 2 to change distance and position (being also adjustable lens 4 and photographic plate 6 position relationship in Z-direction) of camera lens 4 and photographic plate 6, make photographic plate 6 can obtain the image of the graph card 7 that camera lens 4 absorbs, use cross mark in the center of shown graph card 7 images of display 1; Completed the preliminary work of this movement calibration steps by this step, by use cross mark in display center position, make more directly perceived in the time of the whether alignment that judge camera lens and photographic plate, facilitate.
S2: make camera lens 4 enlargement factor minimums by operating assembly 3, the position of the center of cross mark graph card 7 images shown with respect to display 1 on observation display 1, enlarged image gradually, measures the center of cross mark with respect to the maximum offset of described image;
By when the minimum enlargement factor, certain point on graph card 7 is aimed in the center of cross mark on display 1, then in the process of enlarged image, judge the whether alignment of camera lens 4 and photographic plate 6 with respect to the side-play amount of the point on graph card 7 by observing the center of cross mark, and obtain the value of maximum offset, with respect to the offset direction of the point on graph card 7, the adjusting direction of photographic plate 6 is made to guidance by the center of observing cross mark.
S3: judge whether described maximum offset is greater than permissible value, regulate photographic plate 6 positions by driven unit 2 when described maximum offset is greater than permissible value, and repeat S2 step at least one times, until maximum offset enters S4 step while being less than permissible value; By judging whether described maximum offset is greater than permissible value, judge the whether alignment of camera lens and photographic plate, if maximum offset is to be less than permissible value, think the alignment of camera lens and photographic plate, do not need photographic plate position to adjust, directly enter S4 step; If just need to regulate photographic plate position by driven unit when maximum offset is greater than permissible value, and repeat S2 step at least one times, again obtain the value of maximum offset, until maximum offset enters S4 step while being less than permissible value.
In the more accurate method of movement of the present embodiment, driven unit 2 regulates the mode of photographic plate 6 positions to be preferably:
A1:X direction of principal axis regulates, enlarged image, and measurement cross mark center is the side-play amount in X-axis with respect to graph card 7 images, regulates photographic plate 6 to do the displacement identical with the offset direction of described X-axis in X-direction by driven unit 2;
A2:Y direction of principal axis regulates, enlarged image, and measurement cross center is the side-play amount in Y-axis with respect to graph card 7 images, regulates photographic plate 6 to do the displacement identical with the offset direction of described Y-axis in Y direction by driven unit 2.
Described driven unit regulates the mode of photographic plate position to be divided into X-direction adjusting and Y direction regulates.Offset to by the center of cross mark with respect to image that X-axis and Y-axis both direction are decomposed into X-direction skew and Y direction is offset, make in X-direction and Y direction by driven unit control photographic plate that displacement compensates respectively X-direction skew and Y direction is offset, thereby complete aliging of camera lens and photographic plate.This regulative mode can be simplified driven unit, and conveniently makes correct judgement to offset direction with to photographic plate sense of displacement.
In the more accurate method of movement of the present embodiment, judge that the method for optimizing whether maximum offset is greater than permissible value is: on graph card 7, mark the circle taking described maximum offset permissible value as radius, camera lens 4 enlargement factors are adjusted to minimum and by the aligning center of circle, described cross mark center, in enlarged image process, described bowlder is deflected away from cross mark center can judge that maximum offset is greater than permissible value.In the time judging, first camera lens enlargement factor be adjusted to minimum and by the aligning center of circle, described cross mark center, in enlarged image process, whether deflect away from described circle by observation cross mark center and just can judge whether maximum offset is greater than permissible value.Make to judge whether maximum offset is greater than the comparatively complicated process of this script of permissible value and becomes very directly perceived, simple.
S4: tablet 6 is fixed on camera lens 4, completes movement installment work.After the calibration that completes S1-S3 step by tablet is fixed on camera lens, thereby complete the installment work of movement, finally obtain by S4 step that camera lens and photographic plate alignd, the satisfactory camera movement of displacement that photographic images center occurs in the time of zoom.
It should be noted that at this, maximum offset permissible value can change according to actual alignment precision.
Whether the more accurate method of movement of the present embodiment, in described S3 step, be greater than permissible value by artificial or computing machine automatic decision maximum offset.
While judgement by computing machine, adopt computer programming, program must preset permissible value while startup, after program starts, computer-automatic collection cross mark center is with respect to the maximum offset of graph card 7 images, whether be greater than permissible value by contrast maximum offset, judge whether to start driven unit 2, control the sense of displacement of driven unit 2 dynamic tabula rasas by gathering cross mark center with respect to the offset direction of graph card 7 images.
As preferred version, in described S4 step, by a glue, described tablet 6 is fixed on described camera lens 4.Can certainly adopt screw connection etc. to fix tablet 6 and camera lens 4.
Tablet 6 is fixed on camera lens 4 with a glue, in last fixation procedure, tablet 6 and the position of camera lens 4 is not changed, the calibration achievement to tablet 6 and camera lens 4 before having ensured, has improved calibration accuracy.
Obviously, above-described embodiment is only for example is clearly described, not the restriction to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here without also giving exhaustive to all embodiments.And the apparent variation of being extended out thus or variation are still among the protection domain in the invention.
Claims (11)
1. a movement calibrating installation, it is characterized in that, comprise the light box (8) with through hole, be arranged on the inner graph card (7) of light box (8), be arranged on described through hole for obtaining and form camera lens (4) and the photographic plate (6) of graph card (7) image, drive described photographic plate (6) motion to change the driven unit (2) of described photographic plate (6) and described camera lens (4) position relationship, show the display (1) of graph card (7) image, operate described display (1) to show the functional unit of described graph card (7) image different conditions, and judge whether to start the Control Component (3) of described driven unit (2) according to the different conditions of described graph card (7) image.
2. movement calibrating installation according to claim 1, is characterized in that, described through hole, graph card (7) and camera lens (4) are arranged on the center line of light box (8).
3. movement calibrating installation according to claim 1, it is characterized in that, the hold assembly (5) that also comprises clamping photographic plate (6), described driven unit (2) can drive hold assembly (5) to make X, Y, Z three-D displacement.
4. movement calibrating installation according to claim 1, is characterized in that, light box (8), for the casing of sealing, is provided with light source in casing.
5. movement calibrating installation according to claim 1, is characterized in that, described graph card (7) is drawn rectangular node.
6. movement calibrating installation according to claim 5, it is characterized in that, on described graph card (7), be marked with taking the cross mark center of display (1) circle as radius with respect to the maximum offset permissible value of described graph card (7) image, and the center of circle of described circle.
7. use, according to the more accurate method of movement of the arbitrary described movement calibrating installation of claim 1-6, comprises
S1: graph card (7) and camera lens (4) are fixed on light box (8), photographic plate (6) is connected with driven unit (2), regulate distance and the position of driven unit (2) camera lens (4) and photographic plate (6), make photographic plate (6) can obtain graph card (7) image of camera lens (4) picked-up, use cross mark in display (1) center;
S2: make camera lens (4) enlargement factor minimum by operating assembly (3), the position of the center of the upper cross mark of observation display (1) graph card (7) image shown with respect to display (1), enlarged image gradually, measures the center of cross mark with respect to the maximum offset of described image;
S3: judge whether described maximum offset is greater than permissible value, when being greater than permissible value, described maximum offset regulates photographic plate (6) position by driven unit (2), and repeat S2 step at least one times, until maximum offset enters S4 step while being less than permissible value;
S4: tablet (6) is fixed on to camera lens (4) upper, completes movement installment work.
8. the more accurate method of movement according to claim 7, is characterized in that, in described S3 step, described driven unit (2) regulates the mode of photographic plate (6) position to be:
A1:X direction of principal axis regulates, enlarged image, measurement cross mark center is the side-play amount in X-axis with respect to graph card (7) image, regulates photographic plate (6) to do the displacement identical with the offset direction of described X-axis in X-direction by driven unit (2);
A2:Y direction of principal axis regulates, enlarged image, measurement cross mark center is the side-play amount in Y-axis with respect to graph card (7) image, regulates photographic plate (6) to do the displacement identical with the offset direction of described Y-axis in Y direction by driven unit (2).
9. the more accurate method of movement according to claim 7, it is characterized in that, in described S3 step, judge that the method whether maximum offset is greater than permissible value is: on graph card (7), mark the circle taking described maximum offset permissible value as radius, camera lens enlargement factor is adjusted to minimum and by the aligning center of circle, described cross mark center, in enlarged image process, described bowlder is deflected away from cross mark center can judge that maximum offset is greater than permissible value.
10. the more accurate method of movement according to claim 7, is characterized in that, in described S3 step, whether is greater than permissible value by artificial or computing machine automatic decision maximum offset.
11. according to the arbitrary described more accurate method of movement of claim 7-10, it is characterized in that, in described S4 step, by a glue, described tablet (6) is fixed on described camera lens (4).
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| CN201410349876.7A CN104101978A (en) | 2014-07-22 | 2014-07-22 | Core calibration device and calibration method |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012036626A1 (en) * | 2010-09-16 | 2012-03-22 | Medha Dharmatilleke | Methods and camera systems for recording and creation of 3-dimension (3-d) capable videos and 3-dimension (3-d) still photos |
| CN102789111A (en) * | 2011-05-19 | 2012-11-21 | 华晶科技股份有限公司 | Lens calibration system and method thereof |
| CN102929074A (en) * | 2011-08-12 | 2013-02-13 | 华晶科技股份有限公司 | Lens calibration system of employing imaging technology and calibration method thereof |
-
2014
- 2014-07-22 CN CN201410349876.7A patent/CN104101978A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012036626A1 (en) * | 2010-09-16 | 2012-03-22 | Medha Dharmatilleke | Methods and camera systems for recording and creation of 3-dimension (3-d) capable videos and 3-dimension (3-d) still photos |
| CN102789111A (en) * | 2011-05-19 | 2012-11-21 | 华晶科技股份有限公司 | Lens calibration system and method thereof |
| CN102929074A (en) * | 2011-08-12 | 2013-02-13 | 华晶科技股份有限公司 | Lens calibration system of employing imaging technology and calibration method thereof |
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| CN107295245A (en) * | 2016-04-12 | 2017-10-24 | 杭州海康威视数字技术股份有限公司 | The evenness adjusting methods of sensitive chip plate |
| 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 |
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| CN107770518B (en) * | 2017-10-30 | 2019-03-22 | 信利光电股份有限公司 | A kind of camera module eccentric correction device and method |
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