CN105891998B - The optical axis synchronous calibration method of multispectral video camera and multispectral video camera - Google Patents
The optical axis synchronous calibration method of multispectral video camera and multispectral video camera Download PDFInfo
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- CN105891998B CN105891998B CN201610403936.8A CN201610403936A CN105891998B CN 105891998 B CN105891998 B CN 105891998B CN 201610403936 A CN201610403936 A CN 201610403936A CN 105891998 B CN105891998 B CN 105891998B
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/003—Alignment of optical elements
- G02B7/005—Motorised alignment
Abstract
The invention discloses a kind of optical axis synchronous calibration method of multispectral video camera and multispectral video camera, to improve different imaging systems optical axis synchronism, improve the picture quality of multispectral video camera imaging.Multispectral video camera includes shell, and multiple imaging systems arranged side by side, multiple imaging systems are located in shell, and shell has the mounting surface for installing multiple imaging systems；Mounting bracket, for fixing any imaging system in multiple imaging systems；The regulating mechanism for driving mounting bracket to be rotated around first axle and/or second axis, first axle extend along the orientation of two imaging systems, and second axis is vertical with first axle and is parallel to mounting surface；Controller is used for when the center at the center of the target picture with the fixed imaging system acquisition of mounting bracket and preset calibration cursor is misaligned, the work of control and regulation mechanism is until the center of target picture is overlapped with the center of calibration cursor, and each calibrates the center line optical axis coincidence of cursor and corresponding imaging system.
Description
Technical field
The present invention relates to photographic equipment technical fields, more particularly to a kind of multispectral video camera and multispectral video camera
Optical axis synchronous calibration method.
Background technology
In monitoring technology field, single light spectrum image-forming monitoring system can not meet market for evils such as haze, snow
Bad environment, complicated monitoring scene and the security monitoring demand at night.Thermal imaging is by non-contact detection infrared energy (heat
Amount), and be converted into electric signal, and then generate thermal image over the display, can meet the adverse circumstances such as haze, snow, with
And the security monitoring demand at night and extra long distance.And it will be provided with the visible light for the advantages that pixel is high, color is complete, resolution capability is strong
It is imaged remote with having detection range, concealment is strong, the infrared thermal imaging set for the features such as can penetrating the adverse circumstances such as smog, sleet
The video camera being integrated may be implemented to have complementary advantages, it is round-the-clock it is continual monitoring and more low-light (level), farther monitoring apart from,
The monitoring effect of broader dynamic range.
Current thermal imaging camera or needs is respectively controlled different camera lenses, to reach identical visual field,
Or adjusted by field angle asynchronous to make up optical axis, but both regulative mode working efficiencies are low, and regulating time is long, depending on
Field synchronization effect is not accurate enough, and when camera lens is fixed focus lens, the field angle of camera lens immobilizes, and does not have zoom on camera lens
Driving motor, just can not be by adjusting so that the optical axis of different camera lenses synchronizes.
Invention content
The object of the present invention is to provide a kind of optical axis synchronous calibration method of multispectral video camera and multispectral video camera,
To improve different imaging systems optical axis synchronism, improve the picture quality of multispectral video camera imaging.
In order to achieve the above objectives, the present invention provides following technical solutions：
The present invention provides a kind of multispectral video cameras, including：Shell, multiple imaging systems arranged side by side are described more
A imaging system is respectively positioned in the shell, and the shell has the mounting surface for installing the multiple imaging system；Further include：
Mounting bracket, for fixing any imaging system in the multiple imaging system；
The regulating mechanism for driving the mounting bracket to be rotated around first axle and/or second axis, wherein：The first axle
Orientation along the multiple imaging system extends, and the second axis is vertical with the first axle and is parallel to described
Mounting surface；
Controller is electrically connected with the fixed imaging system of the mounting bracket, for working as and the fixed imaging of the mounting bracket
When the center of the target picture of system acquisition and the misaligned center of preset calibration cursor, the regulating mechanism work is controlled
Until the center of the target picture is overlapped with the center of the calibration cursor；Wherein：The preset calibration cursor is pre-
The calibration cursor corresponding with the fixed imaging system of the mounting bracket first set, and each calibration cursor is with corresponding imaging
The center line optical axis coincidence of system.
Multispectral video camera provided by the invention can be to installation by the mounting bracket, regulating mechanism and controller of setting
The setting angle of the opposite mounting surface of frame is automatically adjusted, and then can be to the horizontal direction angle of the optical axis of an imaging system
With vertical direction angle adjust automatically, overlapped with the center of corresponding calibration cursor in the target inconocenter of adjustment imaging system
When, the effect that can be synchronized with multiple imaging system optical axises, therefore, the multispectral video camera of offer is provided, can just be protected when mounted
The synchronism of the optical axis of different imaging systems is demonstrate,proved, adjusts more convenient.
In some alternative embodiments, the regulating mechanism includes：
At least two regulating parts that one end is connect with the mounting bracket, the other end is connect with the mounting surface of the shell, often
A regulating part is by adjusting its length between the mounting bracket and the mounting surface to drive the mounting bracket around first
Axis and/or second axis rotation；
At least one pillar, one end of each pillar connect with the mounting surface, the other end and the mounting bracket ball-joint.
In some alternative embodiments, each regulating part includes：
The driving motor being connect with the mounting surface；
With the leading screw of the output axis connection of the driving motor；
The sliding block being connect with the threads of lead screw, the sliding block and the mounting bracket ball-joint.Driving motor rotation can band
Dynamic leading screw rotation, sliding block will be moved along the length direction of leading screw, and then mounting bracket can be driven to rotate.
In some alternative embodiments, the sliding block passes through universal joint and the mounting bracket ball-joint；And/or it is each
The other end of pillar passes through universal joint and the mounting bracket ball-joint.
In some alternative embodiments, the number of the regulating part is two, and the number of the pillar is one, institute
The hinge joint for stating pillar and the mounting bracket is located at the first axle and the intersection of the second axis；Described two adjustings
In part：The hinge joint of first regulating part and the mounting bracket is located on the first axle, second regulating part and the peace
The hinge joint shelved is located in the second axis.
In some alternative embodiments, the driving motor in first regulating part and the mounting surface it is hinged and
Hinge axes are parallel to the first axle, and the driving motor in second regulating part is hinged and hinged with the mounting surface
Axis is parallel to the second axis.
In some alternative embodiments, the number of the multiple imaging system is two, and described two imagings are
System respectively thermal imaging system and VISIBLE LIGHT SYSTEM, wherein：The thermal imaging system is fixed on the mounting surface, described visible
Photosystem is fixed on the mounting bracket；Alternatively,
The VISIBLE LIGHT SYSTEM is fixed on the mounting surface, and the thermal imaging system is fixed on the mounting bracket.
In some alternative embodiments, above-mentioned multispectral video camera further includes：It is electrically connected with the multiple imaging system
The calibration display module connect, the calibration display module are used to show the position for calibrating cursor correspondingly with each imaging system
Set the position with the target picture in each imaging system.Calibrate result and mistake that display module is convenient for vision-control mechanism to adjust
Journey is more advantageous to the convenience of the adjusting for the optical axis for improving the multispectral multiple imaging systems of video camera.
The present invention also provides a kind of optical axis synchronous calibration sides applied to multispectral video camera described in any one of the above embodiments
Method, including：
Target picture is obtained with the fixed imaging system of the mounting bracket；
When the center at the center of the target picture and preset calibration cursor is misaligned, the regulating mechanism is controlled
Work is until the center of the target picture is overlapped with the center of the calibration cursor；Wherein：The preset calibration cursor
For preset calibration cursor corresponding with the fixed imaging system of the mounting bracket, and each calibration cursor with it is corresponding at
As the center line optical axis coincidence of system.
The optical axis synchronous calibration method of multispectral video camera provided by the invention, can automatically adjust the light of an imaging system
The horizontal direction angle and vertical direction angle of axis adjust more convenient.
In some alternative embodiments, when regulating mechanism includes driving motor, leading screw and sliding block, the optical axis
Synchronous calibration method further includes：When the center at the center of the target picture and preset calibration cursor is misaligned, control
The driving motor work is until the center of the target picture is overlapped with the center of the calibration cursor.
Description of the drawings
Fig. 1 is the structural schematic diagram of multispectral video camera provided by the invention；
Fig. 2 is the dimensional structure diagram of the part-structure of multispectral video camera provided by the invention；
Fig. 3 is the sectional view in the directions multispectral video camera A-A shown in Fig. 2；
Fig. 4 is the sectional view in the directions multispectral video camera B-B shown in Fig. 2；
Fig. 5 is the structural schematic diagram of calibration display module provided by the invention；
Fig. 6 is the control principle schematic diagram of multispectral video camera provided by the invention；
Fig. 7 is the optical axis synchronous calibration method flow diagram of multispectral video camera provided by the invention.
Reference numeral：
1- shell 2- VISIBLE LIGHT SYSTEMs
The corresponding calibration cursor 22- visible light target pictures of 21- VISIBLE LIGHT SYSTEMs
3- thermal imaging systems 31- and the corresponding calibration cursor of thermal imaging system
32- thermal imaging target picture 4- controllers
5- regulating part 51- driving motors
511- the first regulating part the second regulating parts of 512-
52- leading screw 53- universal joints
6- pillar 71- first axles
72- second axis 8- mounting brackets
9- calibrates display module 91- and calibrates target
10- hinge axes
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment belongs to the range of patent protection of the present invention.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4 and Fig. 5, wherein：Fig. 1 is the structure of multispectral video camera provided by the invention
Schematic diagram；Fig. 2 is the dimensional structure diagram of the part-structure of multispectral video camera provided by the invention；Fig. 3 is shown in Fig. 2
The sectional view in the directions multispectral video camera A-A；Fig. 4 is the sectional view in the directions multispectral video camera B-B shown in Fig. 2；Fig. 5 is this
The structural schematic diagram for the calibration display module 9 that invention provides；The present invention provides a kind of multispectral video cameras, including：Shell 1,
Multiple imaging systems arranged side by side, multiple imaging systems are respectively positioned in shell 1, and shell 1, which has, installs multiple imaging systems
Mounting surface；Further include：
Mounting bracket 8, for fixing any imaging system in multiple imaging systems；
The regulating mechanism for driving mounting bracket 8 to be rotated around first axle 71 and/or second axis 72, wherein：First axle 71
Orientation along multiple imaging systems extends, and second axis 72 is vertical with first axle 71 and is parallel to mounting surface；
Controller 4 is electrically connected with 8 fixed imaging system of mounting bracket, is adopted with 8 fixed imaging system of mounting bracket for working as
When the center at the center and preset calibration cursor that collect target picture is misaligned, mechanism work is controlled to adjust up to target picture
Center is overlapped with the center of calibration cursor；Wherein：Preset calibration cursor be it is preset with mounting bracket it is fixed at
As the corresponding calibration cursor of system, and each center line optical axis coincidence of calibration cursor and corresponding imaging system.
Multispectral video camera provided by the invention can be to peace by the mounting bracket 8, regulating mechanism and controller 4 of setting
The setting angle for shelving 8 opposite mounting surface is automatically adjusted, and then can be to the horizontal direction of the optical axis of an imaging system
Angle and vertical direction angle adjust automatically, in the center weight of the target inconocenter and corresponding calibration cursor of adjustment imaging system
When conjunction, the effect that can be synchronized with multiple imaging system optical axises, therefore, the multispectral video camera of offer is provided, it can when mounted
Ensure the synchronism of the optical axis of different imaging systems, adjusts more convenient.
It is preset it should be noted that the center of the target picture of an imaging system is corresponding with its in multispectral video camera
Calibration cursor center be overlap, if the number for the imaging system for including in multispectral video camera be more than 2, can will pacify
Shelve number setting it is multiple, i.e., in addition to the center of target picture and it is corresponding it is preset calibration cursor center overlap at
As outside system, other imaging systems are arranged on a mounting bracket, and corresponding regulating mechanism, you can with simultaneously to it is multiple at
As system is adjusted, the synchronization of multiple imaging system optical axises is realized, adjust more convenient.
Above-mentioned regulating mechanism includes：One end connect with mounting bracket 8, the mounting surface connection of the other end and shell 1 at least two
A regulating part 5, each regulating part drive mounting bracket 8 around by adjusting its length between mounting bracket 8 and mounting surface
One axis 71 and/or second axis 72 rotate；
At least one pillar 6, one end of each pillar 6 connect with mounting surface, 8 ball-joint of the other end and mounting bracket.
Further, each regulating part 5 includes：
The driving motor 51 being connect with mounting surface；
With the leading screw 52 of the output axis connection of driving motor 51；
The sliding block being threadedly coupled with leading screw 52, sliding block and 8 ball-joint of mounting bracket.The rotation of driving motor 51 can drive leading screw 52
Rotation, sliding block will be moved along the length direction of leading screw 52, and then mounting bracket 8 can be driven to rotate.
Above-mentioned sliding block passes through universal joint 53 and 8 ball-joint of mounting bracket；And/or each the other end of pillar 6 passes through universal joint
53 with 8 ball-joint of mounting bracket.
In a kind of specific implementation mode, the number of regulating part is three, and pillar is one.
In a kind of specific implementation mode, the number of regulating part is two, and the number of pillar 6 is one, pillar 6 and mounting bracket
8 hinge joint is located at first axle 71 and the intersection of second axis 72；In two regulating parts：First regulating part and mounting bracket
8 hinge joint is located on first axle 71, and the hinge joint of second regulating part and mounting bracket 8 is located in second axis 72.
Preferably, the driving motor 51 in the first regulating part 511 is hinged with mounting surface and hinge axes 10 are parallel to first
Axis 71, the driving motor 51 in the second regulating part 512 is hinged with mounting surface and hinge axes 10 are parallel to second axis 72.
In a kind of specific implementation mode, the number of above-mentioned multiple imaging systems is two, and two imaging systems are respectively
Thermal imaging system 3 and VISIBLE LIGHT SYSTEM 2, wherein：Thermal imaging system 3 is fixed on mounting surface, it is seen that photosystem 2 is fixed on installation
On frame 8；Alternatively,
VISIBLE LIGHT SYSTEM 2 is fixed on mounting surface, and thermal imaging system 3 is fixed on mounting bracket 8.When imaging system is visible
When photoimaging systems, above-mentioned target picture and cursor are respectively visible light target picture and visible light cursor, when imaging system is heat
When imaging system, above-mentioned target picture and cursor are respectively thermal imaging target picture and thermal imaging cursor.
Above-mentioned multispectral video camera further includes：The calibration display module 9 being electrically connected with multiple imaging systems, calibration show mould
Block 9 is used to show the position of the position and the target picture in each imaging system of calibrating cursor correspondingly with each imaging system
It sets.Result and process that display module is convenient for vision-control mechanism to adjust are calibrated, it is multiple to be more advantageous to the multispectral video camera of raising
The convenience of the adjusting of the optical axis of imaging system.
It is respectively VISIBLE LIGHT SYSTEM 2 and thermal imaging system 3 that existing multispectral video camera, which generally comprises two imaging systems,
Below by by taking the multispectral video camera comprising above-mentioned two imaging system as an example, multispectral video camera provided by the invention is carried out
It is described in detail, it should be noted that：The imaging system that multispectral video camera provided in this embodiment includes is not limited to thermal imaging system
System 3 and VISIBLE LIGHT SYSTEM 2.
As shown in Figure 1 to 4, the present invention provides a kind of multispectral video cameras, including：Shell 1, arranged side by side two
Imaging system, two imaging systems are located in shell 1, and shell 1 has the mounting surface of two imaging systems of installation；Further include：
Mounting bracket 8, for fixing any imaging system in two imaging systems；
The regulating mechanism for driving mounting bracket 8 to be rotated around first axle 71 and/or second axis 72, wherein：First axle 71
Orientation along two imaging systems extends, and second axis 72 is vertical with first axle 71 and is parallel to mounting surface；
Controller 4 is electrically connected with 8 fixed imaging system of mounting bracket, is adopted with 8 fixed imaging system of mounting bracket for working as
When the center of the target picture of collection and the misaligned center of preset calibration cursor, mechanism work is controlled to adjust until target picture
Center with calibration cursor center overlap；Wherein：Preset calibration cursor is preset fixed with mounting bracket
The corresponding calibration cursor of imaging system, and the center line optical axis coincidence of each calibration cursor and corresponding imaging system.
Multispectral video camera provided by the invention can be to peace by the mounting bracket 8, regulating mechanism and controller 4 of setting
The setting angle for shelving 8 opposite mounting surface is automatically adjusted, and then can be to the horizontal direction of the optical axis of an imaging system
Angle and vertical direction angle adjust automatically can ensure that the synchronism of the optical axis of different imaging systems when mounted, adjust
Get up more convenient.
The concrete structure of above-mentioned regulating mechanism can there are many：Regulating mechanism provided by the invention includes：
One end connect with mounting bracket 8, at least two regulating parts of the mounting surface connection of the other end and shell 1, each to adjust
Part is by adjusting its length between mounting bracket 8 and mounting surface to drive mounting bracket 8 around first axle 71 and/or the second axis
Line 72 rotates；
At least one pillar 6, one end of each pillar 6 connect with mounting surface, 8 ball-joint of the other end and mounting bracket.
The concrete structure of above-mentioned regulating part can there are many, such as telescoping cylinder, electric pushrod etc., provided by the invention one is real
It applies in example, each regulating part includes：
The driving motor 51 being connect with mounting surface；
With the leading screw 52 of the output axis connection of driving motor 51；
The sliding block being threadedly coupled with leading screw 52, sliding block and 8 ball-joint of mounting bracket.The rotation of driving motor 51 can drive leading screw 52
Rotation, sliding block will be moved along the length direction of leading screw 52, and then mounting bracket 8 can be driven to rotate.
Above-mentioned sliding block and pillar 6 can be hinged with mounting bracket 8 in several ways, in a kind of specific implementation mode, sliding block
Pass through universal joint 53 and 8 ball-joint of mounting bracket；And/or each the other end of pillar 6 passes through universal joint 53 and 8 flexural pivot of mounting bracket
It connects.It is more convenient that the setting of universal joint 53 can so that mounting bracket 8 rotates.
In a kind of specific implementation mode provided by the invention, the number of regulating part is two, and the number of pillar 6 is one,
Pillar 6 and the hinge joint of mounting bracket 8 are located at first axle 71 and the intersection of second axis 72；In two regulating parts：First
The hinge joint of regulating part and mounting bracket 8 is located on first axle 71, and the hinge joint of second regulating part and mounting bracket 8 is located at second
On axis 72.
Preferably, the driving motor 51 in the first regulating part 511 is hinged with mounting surface and hinge axes 10 are parallel to first
Axis 71, the driving motor 51 in the second regulating part 512 is hinged with mounting surface and hinge axes 10 are parallel to second axis 72.
Optionally, driving motor 51 can be hinged by bearing and mounting surface.Driving motor 51 and mounting surface are set as hinged, can be so as to
It is rotated around first axle 71 or second axis 72 in mounting bracket 8.
As shown in figure 5, above-mentioned multispectral video camera further includes：The calibration display module 9 being electrically connected with two imaging systems,
Calibration display module is used to show in the position and each imaging system of calibrating cursor correspondingly with each imaging system
The position of target picture.Result and process that display module 9 is convenient for vision-control mechanism to adjust are calibrated, it is multispectral to be more advantageous to raising
The convenience of video camera Visible imaging system and the adjusting of 3 optical axis of thermal imaging system.
As shown in fig. 6, Fig. 6 is the control principle schematic diagram of multispectral video camera provided by the invention；With regulating mechanism packet
For including two regulating parts and a pillar 6, embodiment provided by the invention is described in detail, mostly light provided by the invention
Video camera is composed, before use, a kind of mode：First mobile shell, calibration target 91 is by thermal imaging light path, by thermal imaging system
In image capture module and controller 4, thermal imaging display area is imaged on display calibration module, by thermal imaging target picture 32
The center of calibration cursor 31 corresponding with thermal imaging system is aligned.Another way：Also can not mobile shell, directly take heat at
As the center alignment calibration target 91 of the corresponding calibration cursor of thermal imaging system in display area.It is another after any of the above-described mode
Road light path, calibration target are being shown by visible light light path by the image capture module and controller 4 in VISIBLE LIGHT SYSTEM
The visible light display area of calibration module is imaged.Visible light target picture 22 in 4 automatic identification visible light display area of controller
It is corresponding with VISIBLE LIGHT SYSTEM calibration cursor 21 relative position, when visible light target picture 22 with and VISIBLE LIGHT SYSTEM it is corresponding
When calibration cursor 21 is misaligned, control driving motor 51 works；Specifically, if visible light target picture 22 and and visible spectrum
Corresponding calibration cursor 21 of uniting only has upper and lower directions inclined, and 51 work of driving motor of the first regulating part 511 is controlled by controller 4
Make, the lead screw on driving motor 51 rotates clockwise or counterclockwise, and band movable slider moves, and then electronic universal joint 53 is in lead screw 52
On move up and down, the second regulating part 512 and pillar 6 and the universal joint 53 of the hinged place of mounting bracket 8 are revolved around first axle 71
Turn, mounting bracket 8 will be rotated along first axle 71, make visible light target picture 22 with and the corresponding calibration cursor of VISIBLE LIGHT SYSTEM 21
It coincides with the upper and lower；If visible light target picture 22 with and the corresponding calibration cursor 21 of VISIBLE LIGHT SYSTEM only have left and right directions inclined, pass through
The driving motor 51 that controller 4 controls the second regulating part 512 works, and the lead screw on driving motor 51 turns clockwise or counterclockwise
Dynamic, band movable slider moves, and then electronic universal joint 53 moves up and down on lead screw 52, and mounting bracket 8 will be along second axis
72 rotations, make visible light target picture 22 with and VISIBLE LIGHT SYSTEM corresponding calibration cursor 21 or so coincidence；If it can be seen that optical target
As 22 with and the corresponding calibration cursor of VISIBLE LIGHT SYSTEM 21 not only up and down but also controlled partially, pass through the first regulating part 511 of control of controller 4
Driving motor 51 work, the lead screw on driving motor 51 rotates clockwise or counterclockwise, and band movable slider moves, and then electronic ten thousand
Move up and down on lead screw to section 53, the universal joint 53 of the first regulating part 511 and pillar 6 and the hinged place of mounting bracket 8 around
The rotation of first axle 71 make visible light target picture 22 with and VISIBLE LIGHT SYSTEM corresponding 21 upper-lower axis of calibration cursor coincidence, then transport
The driving motor 51 of the second regulating part of row 512 works, and the lead screw on driving motor 51 rotates clockwise or counterclockwise, band movable slider
It is mobile, and then electronic universal joint 53 moves up and down on lead screw, mounting bracket 8 will be rotated along second axis 72, and realization can
Light-exposed imaging system is synchronous with 3 two-way optical axis of infra-red thermal imaging system.
To sum up, multispectral video camera provided by the invention can by the mounting bracket 8, regulating mechanism and controller 4 of setting
It is automatically adjusted with the setting angle of the opposite mounting surface to mounting bracket 8, and then can be to the water of the optical axis of an imaging system
Flat orientation angle and vertical direction angle adjust automatically can ensure that the synchronization of the optical axis of different imaging systems when mounted
Property, it adjusts more convenient.
As shown in fig. 7, Fig. 7 is the optical axis synchronous calibration method flow diagram present invention of multispectral video camera provided by the invention
A kind of optical axis synchronous calibration method applied to multispectral video camera described in any one of the above embodiments is additionally provided, including：
Step S701：Target picture is obtained with the fixed imaging system of mounting bracket；
Step S702：When the center at the center of target picture and preset calibration cursor is misaligned, machine is controlled to adjust
Structure work is overlapped up to the center of target picture with the center of calibration cursor, wherein：Preset calibration cursor is to preset
Calibration cursor corresponding with the fixed imaging system of mounting bracket, and the middle linear light of each calibration cursor and corresponding imaging system
Overlapping of axles.
The optical axis synchronous calibration method of multispectral video camera provided by the invention, can automatically adjust the light of an imaging system
The horizontal direction angle and vertical direction angle of axis adjust more convenient.
Further, when regulating mechanism includes driving motor 51, leading screw 52 and sliding block, optical axis synchronous calibration method is also
Including：When the center of target picture and with it is preset calibration cursor center it is misaligned when, control driving motor 51 work directly
It is overlapped to the center of target picture with the center of calibration cursor.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
God and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (9)
1. a kind of multispectral video camera, including：Shell, multiple imaging systems arranged side by side, the multiple equal position of imaging system
In in the shell, the shell has the mounting surface for installing the multiple imaging system；It is characterized in that, further including：
Mounting bracket, for fixing any imaging system in the multiple imaging system；
The regulating mechanism for driving the mounting bracket to be rotated around first axle and/or second axis, wherein：The first axle is along institute
The orientation for stating multiple imaging systems extends, and the second axis is vertical with the first axle and is parallel to the installation
Face；
The regulating mechanism includes：One end is connect with the mounting bracket, the other end is connect at least with the mounting surface of the shell
Two regulating parts, each regulating part are driven described by adjusting its length between the mounting bracket and the mounting surface
Mounting bracket is rotated around first axle and/or second axis；At least one pillar, one end of each pillar connect with the mounting surface
It connects, the other end and the mounting bracket ball-joint；
Controller is electrically connected with the fixed imaging system of the mounting bracket, for working as and the fixed imaging system of the mounting bracket
When the center of the target picture of acquisition and the misaligned center of preset calibration cursor, control regulating mechanism work until
The center of the target picture is overlapped with the center of the calibration cursor；Wherein：The preset calibration cursor is to set in advance
Fixed calibration cursor corresponding with the fixed imaging system of the mounting bracket, and each calibration cursor and corresponding imaging system
Center line optical axis coincidence.
2. multispectral video camera as described in claim 1, which is characterized in that each regulating part includes：
The driving motor being connect with the mounting surface；
With the leading screw of the output axis connection of the driving motor；
The sliding block being connect with the threads of lead screw, the sliding block and the mounting bracket ball-joint.
3. multispectral video camera as claimed in claim 2, which is characterized in that the sliding block passes through universal joint and the mounting bracket
Ball-joint；And/or the other end of each pillar passes through universal joint and the mounting bracket ball-joint.
4. multispectral video camera as claimed in claim 2, which is characterized in that the number of the regulating part is two, the branch
The number of column is one, and the hinge joint of the pillar and the mounting bracket is located at the friendship of the first axle and the second axis
At line；
Described two regulating parts are respectively the first regulating part and the second regulating part, wherein：First regulating part and the installation
The hinge joint of frame is located on the first axle, and the hinge joint of second regulating part and the mounting bracket is located at second axis
On line.
5. multispectral video camera as claimed in claim 4, which is characterized in that the driving motor in first regulating part and institute
It states mounting surface hingedly and hinge axes is parallel to the first axle, the driving motor in second regulating part and the peace
Dress face is hinged and hinge axes are parallel to the second axis.
6. multispectral video camera as described in claim 1, which is characterized in that the number of the multiple imaging system is two,
And described two imaging systems are respectively thermal imaging system and VISIBLE LIGHT SYSTEM, wherein：The thermal imaging system is fixed on described
On mounting surface, the VISIBLE LIGHT SYSTEM is fixed on the mounting bracket；Alternatively,
The VISIBLE LIGHT SYSTEM is fixed on the mounting surface, and the thermal imaging system is fixed on the mounting bracket.
7. such as the multispectral video camera of claim 1~6 any one of them, which is characterized in that further include：With the multiple imaging
The calibration display module of system electrical connection, the calibration display module are calibrated for showing with each imaging system correspondingly
The position of the position of cursor and the target picture in each imaging system.
8. a kind of optical axis synchronous calibration method being applied to such as the multispectral video camera of claim 1~7 any one of them, special
Sign is, including：
Target picture is obtained with the fixed imaging system of the mounting bracket；
When the center at the center of the target picture and preset calibration cursor is misaligned, the regulating mechanism work is controlled
Until the center of the target picture is overlapped with the center of the calibration cursor；Wherein：The preset calibration cursor is pre-
The calibration cursor corresponding with the fixed imaging system of the mounting bracket first set, and each calibration cursor is with corresponding imaging
The center line optical axis coincidence of system.
9. the optical axis synchronous calibration method of multispectral video camera as claimed in claim 8, which is characterized in that when regulating mechanism packet
When including driving motor, leading screw and sliding block, the optical axis synchronous calibration method further includes：When the center of the target picture and in advance
When the center of the calibration cursor of setting is misaligned, the driving motor work is controlled up to the center of the target picture and the school
Quasi-optical target center overlaps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610403936.8A CN105891998B (en) | 2016-06-07 | 2016-06-07 | The optical axis synchronous calibration method of multispectral video camera and multispectral video camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610403936.8A CN105891998B (en) | 2016-06-07 | 2016-06-07 | The optical axis synchronous calibration method of multispectral video camera and multispectral video camera |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105891998A CN105891998A (en) | 2016-08-24 |
| CN105891998B true CN105891998B (en) | 2018-09-28 |
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| CN106331496B (en) * | 2016-08-31 | 2019-05-24 | 浙江大华技术股份有限公司 | A kind of the synchronization fixed-focus method and multi channel imaging equipment of multi channel imaging equipment |
| CN106709495B (en) * | 2017-01-22 | 2020-03-20 | 广东小天才科技有限公司 | Image area centering method and device |
| CN109916596B (en) * | 2019-04-01 | 2020-12-08 | 歌尔光学科技有限公司 | Optical path calibration method and calibration device |
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