CN105891998A - Multi-spectral video camera and method for synchronously calibrating optical axis of multi-spectral video camera - Google Patents
Multi-spectral video camera and method for synchronously calibrating optical axis of multi-spectral video camera Download PDFInfo
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- CN105891998A CN105891998A CN201610403936.8A CN201610403936A CN105891998A CN 105891998 A CN105891998 A CN 105891998A CN 201610403936 A CN201610403936 A CN 201610403936A CN 105891998 A CN105891998 A CN 105891998A
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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
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Abstract
The invention discloses a multi-spectral video camera and a method for synchronously calibrating an optical axis of the multi-spectral video camera. The method is used for improving the synchronism of the optical axes of different imaging systems and improving the quality of a picture imaged by the multi-spectral video camera. The multi-spectral video camera comprises a shell, a plurality of imaging systems arranged side by side, a mounting rack, a regulating mechanism and a controller, wherein the imaging systems are positioned in the shell, and the shell is provided with a plurality of mounting surfaces for mounting the imaging systems; the mounting rack is used for fixing any imaging system in the imaging systems; the regulating mechanism is used for driving the mounting rack to rotate around a first axis and/or a second axis, the first axis extends in the arrangement direction of two imaging systems, and the second axis is perpendicular to the first axis and is parallel to the mounting surface; the controller is used for controlling the work of the regulating mechanism till the centers of target images coincide with those of calibrated cursors when the centers of the target images collected by the imaging systems fixed with the mounting rack do not coincide with those of the preset calibrated cursors, and each calibrate cursor coincides with the center line optical axis of the corresponding imaging system.
Description
Technical field
The present invention relates to photographic equipment technical field, particularly relate to a kind of optical axis synchronous calibration method of multispectral video camera and multispectral video camera.
Background technology
In monitoring technical field, single light spectrum image-forming monitoring system can not meet market for the adverse circumstances such as haze, snow, complicated monitoring scene and the security monitoring demand at night.Thermal imaging is by noncontact detection infrared energy (heat), and is converted into the signal of telecommunication, and then generates heat picture over the display, can meet the adverse circumstances such as haze, snow and night and over distance security monitoring demand.And will be provided with the visual light imaging of the advantages such as pixel is high, color is complete, resolution capability is strong and to possess detection range remote, disguised strong, the video camera that the infrared thermal imaging collection of the features such as the adverse circumstances such as smog, sleet is integrated can be penetrated can realize having complementary advantages, round-the-clock continual monitoring and more low-light (level), farther monitor distance, the monitoring effect of broader dynamic range.
Current thermal imaging camera or need different camera lenses is respectively controlled, to reach identical visual field, or it is asynchronous to regulate to make up optical axis by the angle of visual field, but both regulative mode inefficiencys, regulating time is long, and visual field synchronous effect is not accurate enough, when camera lens is fixed focus lens, the angle of visual field of camera lens immobilizes, and camera lens does not has zoom drive motor, just by regulation, the optical axis of different camera lenses cannot be synchronized.
Summary of the invention
It is an object of the invention to provide a kind of optical axis synchronous calibration method of multispectral video camera and multispectral video camera, in order to improve the synchronicity of the optical axis of different imaging system, improve the picture quality of multispectral video camera imaging.
For reaching above-mentioned purpose, the technical scheme is that
The invention provides a kind of multispectral video camera, including: housing, the multiple imaging systems being arranged side by side, the plurality of imaging system is respectively positioned in described housing, and described housing has the installed surface installing the plurality of imaging system；Also include:
Installing rack, for fixing the arbitrary imaging system in the plurality of imaging system；
Drive the governor motion that described installing rack rotates around first axle and/or the second axis, wherein: described first axle extends along the orientation of the plurality of imaging system, and described second axis is vertical with described first axle and is parallel to described installed surface；
Controller, the imaging system fixing with described installing rack electrically connects, for when the center of the target picture that the imaging system fixing with described installing rack gathers and calibration light target center set in advance are misaligned, control the work of described governor motion until the center of described target picture and described calibration light target center superposition；Wherein: described calibration light set in advance is designated as the calibration cursor that the fixing imaging system of installing rack set in advance and described is corresponding, and the center line optical axis coincidence of each calibration cursor and corresponding imaging system.
The multispectral video camera that the present invention provides, by the installing rack arranged, governor motion and controller, the setting angle that installing rack can be mounted opposite face is automatically adjusted, and then the horizontal direction angle of the optical axis of an imaging system and vertical direction angle can be adjusted automatically, when the target inconocenter of adjustment imaging system is with corresponding calibration light target center superposition, the effect that can synchronize with multiple imaging system optical axises, therefore, the multispectral video camera that invention provides, the synchronicity of the optical axis of different imaging system can be ensured that when mounted, regulation is got up more convenient.
In some optional embodiments, described governor motion includes:
At least two regulating part that one end is connected with described installing rack, the other end is connected with the installed surface of described housing, each regulating part is by regulating its length between described installing rack and described installed surface to drive described installing rack to rotate around first axle and/or the second axis；
At least one pillar, one end of each pillar is connected with described installed surface, the other end and described installing rack ball-joint.
In some optional embodiments, each regulating part includes:
The driving motor being connected with described installed surface；
The leading screw being connected with the output shaft of described driving motor；
The slide block being connected with described threads of lead screw, described slide block and described installing rack ball-joint.Driving motor rotation that leading screw can be driven to rotate, the length direction along leading screw is moved by slide block, and then installing rack can be driven to rotate.
In some optional embodiments, described slide block is by universal joint and described installing rack ball-joint；And/or the other end of each pillar is by universal joint and described installing rack ball-joint.
In some optional embodiments, the number of described regulating part is two, and the number of described pillar is one, and described pillar is positioned at the intersection of described first axle and described second axis with the pin joint of described installing rack；In said two regulating part: the pin joint of first regulating part and described installing rack is positioned on described first axle, the pin joint of second regulating part and described installing rack is positioned on described second axis.
In some optional embodiments, driving motor in described first regulating part is hinged with described installed surface and hinge axes is parallel to described first axle, and the driving motor in described second regulating part is hinged with described installed surface and hinge axes is parallel to described second axis.
In some optional embodiments, the number of the plurality of imaging system is two, and said two imaging system is respectively thermal imaging system and VISIBLE LIGHT SYSTEM, wherein: described thermal imaging system is fixed on described installed surface, and described VISIBLE LIGHT SYSTEM is fixed on described installing rack；Or,
Described VISIBLE LIGHT SYSTEM is fixed on described installed surface, and described thermal imaging system is fixed on described installing rack.
In some optional embodiments, above-mentioned multispectral video camera also includes: the calibration display module electrically connected with the plurality of imaging system, and described calibration display module calibrates the position of the target picture in light target position and each imaging system one to one for display and each imaging system.Calibration display module is easy to result and the process of vision-control mechanism regulation, is more beneficial for improving the convenience of the regulation of the optical axis of the multiple imaging system of multispectral video camera.
Present invention also offers a kind of optical axis synchronous calibration method of multispectral video camera being applied to described in any of the above-described item, including:
The imaging system fixing with described installing rack obtains target picture；
When the center of described target picture and calibration light target center set in advance are misaligned, control the work of described governor motion until the center of described target picture and described calibration light target center superposition；Wherein: described calibration light set in advance is designated as the calibration cursor that the fixing imaging system of installing rack set in advance and described is corresponding, and the center line optical axis coincidence of each calibration cursor and corresponding imaging system.
The optical axis synchronous calibration method of the multispectral video camera that the present invention provides, can be automatically adjusted horizontal direction angle and the vertical direction angle of the optical axis of an imaging system, and regulation is got up more convenient.
In some optional embodiments, when governor motion includes driving motor, leading screw and slide block, described optical axis synchronous calibration method also includes: when the center of described target picture and calibration light target center set in advance are misaligned, controls the work of described driving motor until the center of described target picture and described calibration light target center superposition.
Accompanying drawing explanation
The structural representation of the multispectral video camera that Fig. 1 provides for the present invention；
The perspective view of the part-structure of the multispectral video camera that Fig. 2 provides for the present invention；
Fig. 3 is the sectional view in the multispectral video camera A-A direction shown in Fig. 2；
Fig. 4 is the sectional view in the multispectral video camera B-B direction shown in Fig. 2；
The structural representation of the calibration display module that Fig. 5 provides for the present invention；
The control principle schematic diagram of the multispectral video camera that Fig. 6 provides for the present invention；
The optical axis synchronous calibration method flow diagram of the multispectral video camera that Fig. 7 provides for the present invention.
Reference:
1-housing 2-VISIBLE LIGHT SYSTEM
The calibration cursor 22-visible ray target picture that 21-VISIBLE LIGHT SYSTEM is corresponding
Calibration cursor corresponding with thermal imaging system for 3-thermal imaging system 31-
32-thermal imaging target is as 4-controller
5-regulating part 51-drives motor
511-the first regulating part 512-the second regulating part
52-leading screw 53-universal joint
6-pillar 71-first axle
72-the second axis 8-installing rack
9-calibration display module 91-calibrates target
10-hinge axes
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of patent protection of the present invention.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4 and Fig. 5, wherein: the structural representation of the multispectral video camera that Fig. 1 provides for the present invention；The perspective view of the part-structure of the multispectral video camera that Fig. 2 provides for the present invention；Fig. 3 is the sectional view in the multispectral video camera A-A direction shown in Fig. 2；Fig. 4 is the sectional view in the multispectral video camera B-B direction shown in Fig. 2；The structural representation of the calibration display module 9 that Fig. 5 provides for the present invention；The invention provides a kind of multispectral video camera, including: housing 1, the multiple imaging systems being arranged side by side, multiple imaging systems are respectively positioned in housing 1, and housing 1 has the installed surface installing multiple imaging systems；Also include:
Installing rack 8, for fixing the arbitrary imaging system in multiple imaging system；
The governor motion that drive installation frame 8 rotates around first axle 71 and/or the second axis 72, wherein: first axle 71 extends along the orientation of multiple imaging systems, and the second axis 72 is vertical with first axle 71 and is parallel to installed surface；
Controller 4, electrically connect with the fixing imaging system of installing rack 8, when center and calibration light target center set in advance for gathering target picture when the imaging system fixing with installing rack 8 are misaligned, the work of control and regulation mechanism is until the center of target picture and calibration light target center superposition；Wherein: calibration light set in advance is designated as the calibration cursor that the fixing imaging system of set in advance and installing rack is corresponding, and the center line optical axis coincidence of each calibration cursor and corresponding imaging system.
The multispectral video camera that the present invention provides, by the installing rack 8 arranged, governor motion and controller 4, the setting angle in the face that is mounted opposite of installing rack 8 can be automatically adjusted, and then the horizontal direction angle of the optical axis of an imaging system and vertical direction angle can be adjusted automatically, when the target inconocenter of adjustment imaging system is with corresponding calibration light target center superposition, the effect that can synchronize with multiple imaging system optical axises, therefore, the multispectral video camera that invention provides, the synchronicity of the optical axis of different imaging system can be ensured that when mounted, regulation is got up more convenient.
It should be noted that, in multispectral video camera, the calibration light target center set in advance of the center of the target picture of an imaging system and its correspondence is to overlap, if the number of the imaging system comprised in multispectral video camera is more than 2, then can the number of installing rack be arranged multiple, i.e. in addition to the center of target picture and the imaging system of corresponding calibration light target center superposition set in advance, other imaging system is arranged on an installing rack, and the most corresponding governor motion, i.e. can multiple imaging systems be adjusted simultaneously, realize the synchronization of multiple imaging system optical axis, regulate more convenient.
Above-mentioned governor motion includes: at least two regulating part 5 that one end is connected with installing rack 8, the other end is connected with the installed surface of housing 1, and each regulating part rotates around first axle 71 and/or the second axis 72 with drive installation frame 8 by regulating its length between installing rack 8 and installed surface；
At least one pillar 6, one end of each pillar 6 is connected with installed surface, the other end and installing rack 8 ball-joint.
Further, each regulating part 5 includes:
The driving motor 51 being connected with installed surface；
The leading screw 52 being connected with the output shaft driving motor 51；
The slide block threadeded with leading screw 52, slide block and installing rack 8 ball-joint.Driving motor 51 rotation that leading screw 52 can be driven to rotate, slide block will move along the length direction of leading screw 52, and then installing rack 8 can be driven to rotate.
Above-mentioned slide block is by universal joint 53 and installing rack 8 ball-joint；And/or the other end of each pillar 6 leads to
Cross universal joint 53 and installing rack 8 ball-joint.
In a kind of detailed description of the invention, the number of regulating part is three, and pillar is one.
In a kind of detailed description of the invention, the number of regulating part is two, and the number of pillar 6 is one, and pillar 6 is positioned at the intersection of first axle 71 and the second axis 72 with the pin joint of installing rack 8；In two regulating parts: the pin joint of first regulating part and installing rack 8 is positioned on first axle 71, the pin joint of second regulating part and installing rack 8 is positioned on the second axis 72.
It is also preferred that the left the driving motor 51 in the first regulating part 511 is hinged with installed surface and hinge axes 10 is parallel to first axle 71, the driving motor 51 in the second regulating part 512 is hinged with installed surface and hinge axes 10 is parallel to the second axis 72.
In a kind of detailed description of the invention, 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 installed surface, it is seen that photosystem 2 is fixed on installing rack 8；Or,
VISIBLE LIGHT SYSTEM 2 is fixed on installed surface, and thermal imaging system 3 is fixed on installing rack 8.When imaging system is Visible imaging system, above-mentioned target picture and cursor are respectively visible ray target picture and visible ray cursor, and when imaging system is thermal imaging system, above-mentioned target picture and cursor are respectively thermal imaging target picture and thermal imaging cursor.
Above-mentioned multispectral video camera also includes: the calibration display module 9 electrically connected with multiple imaging systems, calibrates display module 9 and calibrates the position of the target picture in light target position and each imaging system for display and each imaging system one to one.Calibration display module is easy to result and the process of vision-control mechanism regulation, is more beneficial for improving the convenience of the regulation of the optical axis of the multiple imaging system of multispectral video camera.
Existing multispectral video camera generally comprises two imaging systems and is respectively VISIBLE LIGHT SYSTEM 2 and thermal imaging system 3, below by as a example by the multispectral video camera to comprise above-mentioned two imaging system, the multispectral video camera providing the present invention is described in detail, it should be understood that the imaging system that the multispectral video camera that the present embodiment provides comprises is not limited to thermal imaging system 3 and VISIBLE LIGHT SYSTEM 2.
As shown in Figure 1 to 4, the invention provides a kind of multispectral video camera, including: housing 1, two imaging systems being arranged side by side, two imaging systems are positioned at housing 1, and housing 1 has the installed surface installing two imaging systems；Also include:
Installing rack 8, for fixing the arbitrary imaging system in two imaging systems；
The governor motion that drive installation frame 8 rotates around first axle 71 and/or the second axis 72, wherein: first axle 71 extends along the orientation of two imaging systems, and the second axis 72 is vertical with first axle 71 and is parallel to installed surface；
Controller 4, electrically connect with the fixing imaging system of installing rack 8, for when the center of the target picture that the imaging system fixing with installing rack 8 gathers and calibration light target center set in advance are misaligned, the work of control and regulation mechanism is until the center of target picture and calibration light target center superposition；Wherein: calibration light set in advance is designated as the calibration cursor that the fixing imaging system of set in advance and installing rack is corresponding, and the center line optical axis coincidence of each calibration cursor and corresponding imaging system.
The multispectral video camera that the present invention provides, by the installing rack 8, governor motion and the controller 4 that arrange, the setting angle in the face that is mounted opposite of installing rack 8 can be automatically adjusted, and then the horizontal direction angle of the optical axis of an imaging system and vertical direction angle can be adjusted automatically, can ensure that the synchronicity of the optical axis of different imaging system when mounted, regulation is got up more convenient.
The concrete structure of above-mentioned governor motion can have multiple: the governor motion that the present invention provides includes:
At least two regulating part that one end is connected with installing rack 8, the other end is connected with the installed surface of housing 1, each regulating part rotates around first axle 71 and/or the second axis 72 with drive installation frame 8 by regulating its length between installing rack 8 and installed surface；
At least one pillar 6, one end of each pillar 6 is connected with installed surface, the other end and installing rack 8 ball-joint.
The concrete structure of above-mentioned regulating part can have multiple, such as telescoping cylinder, electric pushrod etc., and in the embodiment that the present invention provides, each regulating part includes:
The driving motor 51 being connected with installed surface；
The leading screw 52 being connected with the output shaft driving motor 51；
The slide block threadeded with leading screw 52, slide block and installing rack 8 ball-joint.Driving motor 51 rotation that leading screw 52 can be driven to rotate, slide block will move along the length direction of leading screw 52, and then installing rack 8 can be driven to rotate.
Above-mentioned slide block and pillar 6 can be hinged with installing rack 8 in several ways, and in a kind of detailed description of the invention, slide block is by universal joint 53 and installing rack 8 ball-joint；And/or the other end of each pillar 6 is by universal joint 53 and installing rack 8 ball-joint.The setting of universal joint 53 is so that installing rack 8 rotates more convenient.
In a kind of detailed description of the invention that the present invention provides, the number of regulating part is two, and the number of pillar 6 is one, and pillar 6 is positioned at the intersection of first axle 71 and the second axis 72 with the pin joint of installing rack 8；In two regulating parts: the pin joint of first regulating part and installing rack 8 is positioned on first axle 71, the pin joint of second regulating part and installing rack 8 is positioned on the second axis 72.
It is also preferred that the left the driving motor 51 in the first regulating part 511 is hinged with installed surface and hinge axes 10 is parallel to first axle 71, the driving motor 51 in the second regulating part 512 is hinged with installed surface and hinge axes 10 is parallel to the second axis 72.Optionally, motor 51 is driven can to pass through bearing hinged with installed surface.Drive motor 51 to be set to hinged with installed surface, frame 8 can be easily installed and rotate around first axle 71 or the second axis 72.
As it is shown in figure 5, above-mentioned multispectral video camera also includes: the calibration display module 9 electrically connected with two imaging systems, calibration display module calibrates the position of the target picture in light target position and each imaging system one to one for display and each imaging system.Calibration display module 9 is easy to result and the process of vision-control mechanism regulation, is more beneficial for the convenience improving multispectral video camera Visible imaging system with the regulation of thermal imaging system 3 optical axis.
As shown in Figure 6, the control principle schematic diagram of the multispectral video camera that Fig. 6 provides for the present invention；Include as a example by two regulating parts and a pillar 6 by governor motion, the embodiment providing the present invention is described in detail, the multispectral video camera that the present invention provides, before use, a kind of mode: first mobile shell, calibration target 91 is by thermal imaging light path, the image capture module in thermal imaging system and controller 4, display calibration module on the imaging of thermal imaging viewing area, by thermal imaging target as 32 with and thermal imaging system corresponding calibrate cursor 31 center be directed at.Another way: also can not mobile shell, directly take thermal imaging system in thermal imaging viewing area corresponding calibration light target center alignment calibration target 91.After any of the above-described mode, another road light path, calibration target is by visible ray light path, the image capture module in VISIBLE LIGHT SYSTEM and controller 4, in the visible ray viewing area imaging of display calibration module.Controller 4 automatically identify visible ray target in visible ray viewing area as 22 with and the relative position of calibration cursor 21 corresponding to VISIBLE LIGHT SYSTEM, when visible ray target as 22 with and time calibration cursor 21 corresponding to VISIBLE LIGHT SYSTEM is misaligned, control to drive motor 51 to work；Specifically, if visible ray target as 22 with and calibration cursor corresponding to VISIBLE LIGHT SYSTEM 21 only above-below direction inclined, the driving motor 51 being controlled the first regulating part 511 by controller 4 is worked, the screw mandrel on motor 51 is driven to rotate clockwise or counterclockwise, band movable slider moves, and then electronic universal joint 53 moves up and down on screw mandrel 52, second regulating part 512 and pillar 6 rotate around first axle 71 with the universal joint 53 of the hinged place of installing rack 8, installing rack 8 will rotate along first axle 71, make visible ray target as 22 with and calibration cursor 21 corresponding to VISIBLE LIGHT SYSTEM coincide with the upper and lower；If visible ray target as 22 with and calibration cursor corresponding to VISIBLE LIGHT SYSTEM 21 only left and right directions inclined, the driving motor 51 being controlled the second regulating part 512 by controller 4 is worked, the screw mandrel on motor 51 is driven to rotate clockwise or counterclockwise, band movable slider moves, and then electronic universal joint 53 moves up and down on screw mandrel 52, installing rack 8 will rotate along the second axis 72, make visible ray target as 22 with and calibration cursor about 21 corresponding to VISIBLE LIGHT SYSTEM overlap；nullIf visible ray target as 22 with and calibration cursor 21 corresponding to VISIBLE LIGHT SYSTEM the most up and down but also left and right partially，The driving motor 51 being controlled the first regulating part 511 by controller 4 is worked，The screw mandrel on motor 51 is driven to rotate clockwise or counterclockwise，Band movable slider moves，And then electronic universal joint 53 moves up and down on screw mandrel，First regulating part 511 and pillar 6 and the universal joint 53 of the hinged place of installing rack 8 rotate around first axle 71 make visible ray target as 22 with and calibration cursor 21 upper-lower axis corresponding to VISIBLE LIGHT SYSTEM overlap，The driving motor 51 of the second regulating part 512 of reruning works，The screw mandrel on motor 51 is driven to rotate clockwise or counterclockwise，Band movable slider moves，And then electronic universal joint 53 moves up and down on screw mandrel，Installing rack 8 will rotate along the second axis 72，Realize Visible imaging system and infra-red thermal imaging system 3 two-way optical axis synchronizes.
To sum up, the multispectral video camera that the present invention provides, by the installing rack 8, governor motion and the controller 4 that arrange, the setting angle in the face that is mounted opposite of installing rack 8 can be automatically adjusted, and then the horizontal direction angle of the optical axis of an imaging system and vertical direction angle can be adjusted automatically, can ensure that the synchronicity of the optical axis of different imaging system when mounted, regulation is got up more convenient.
As it is shown in fig. 7, the optical axis synchronous calibration method flow diagram of multispectral video camera that Fig. 7 provides for the present invention present invention also offers a kind of optical axis synchronous calibration method of multispectral video camera being applied to described in any of the above-described item, including:
Step S701: the imaging system fixing with installing rack obtains target picture；
Step S702: when the center of target picture and calibration light target center set in advance are misaligned, control and regulation mechanism work until target picture center with calibration light target center superposition, wherein: calibration light set in advance is designated as the calibration cursor that the fixing imaging system of set in advance and installing rack is corresponding, and the center line optical axis coincidence of each calibration cursor and corresponding imaging system.
The optical axis synchronous calibration method of the multispectral video camera that the present invention provides, can be automatically adjusted horizontal direction angle and the vertical direction angle of the optical axis of an imaging system, and regulation is got up more convenient.
Further, when governor motion includes driving motor 51, leading screw 52 and slide block, optical axis synchronous calibration method also includes: when target picture center and misaligned with calibration light target center set in advance time, control drive motor 51 work until target picture center with calibration light target center superposition.
Obviously, those skilled in the art can carry out various change and modification without departing from the spirit and scope of the present invention to the present invention.So, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (10)
1. a multispectral video camera, including: housing, the multiple imaging systems being arranged side by side are described many
Individual imaging system is respectively positioned in described housing, and described housing has the installation installing the plurality of imaging system
Face；It is characterized in that, also include:
Installing rack, for fixing the arbitrary imaging system in the plurality of imaging system；
Drive the governor motion that described installing rack rotates around first axle and/or the second axis, wherein: described the
One axis extends along the orientation of the plurality of imaging system, and described second axis hangs down with described first axle
Directly and be parallel to described installed surface；
Controller, the imaging system fixing with described installing rack electrically connects, for when fixing with described installing rack
The center of target picture that gathers of imaging system and calibration light target center set in advance misaligned time, control
The work of described governor motion is until center and the described calibration light target center superposition of described target picture；Wherein:
The imaging system that described calibration light set in advance is designated as installing rack set in advance and described fixing is corresponding
Calibration cursor, and the center line optical axis coincidence of each calibration cursor and corresponding imaging system.
Multispectral video camera the most as claimed in claim 1, it is characterised in that described governor motion includes:
At least two regulation that one end is connected with described installing rack, the other end is connected with the installed surface of described housing
Part, each regulating part is by regulating its length between described installing rack and described installed surface to drive
Described installing rack rotates around first axle and/or the second axis；
At least one pillar, one end of each pillar is connected with described installed surface, the other end and described installing rack
Ball-joint.
Multispectral video camera the most as claimed in claim 2, it is characterised in that each regulating part includes:
The driving motor being connected with described installed surface；
The leading screw being connected with the output shaft of described driving motor；
The slide block being connected with described threads of lead screw, described slide block and described installing rack ball-joint.
Multispectral video camera the most as claimed in claim 3, it is characterised in that described slide block is by universal
Joint and described installing rack ball-joint；And/or the other end of each pillar is by universal joint and described installing rack ball pivot
Connect.
Multispectral video camera the most as claimed in claim 3, it is characterised in that the number of described regulating part
Being two, the number of described pillar is one, and the pin joint of described pillar and described installing rack is positioned at described the
At the intersection of one axis and described second axis；In said two regulating part: first regulating part and described peace
The pin joint shelved is positioned on described first axle, and second regulating part is positioned at the pin joint of described installing rack
On described second axis.
Multispectral video camera the most as claimed in claim 4, it is characterised in that in described first regulating part
Driving motor and described installed surface hinged and hinge axes is parallel to described first axle, described second adjusts
Driving motor in joint part is hinged with described installed surface and hinge axes is parallel to described second axis.
Multispectral video camera the most as claimed in claim 1, it is characterised in that the plurality of imaging system
Number be two, and said two imaging system is respectively thermal imaging system and VISIBLE LIGHT SYSTEM, wherein:
Described thermal imaging system is fixed on described installed surface, and described VISIBLE LIGHT SYSTEM is fixed on described installing rack；
Or,
Described VISIBLE LIGHT SYSTEM is fixed on described installed surface, and described thermal imaging system is fixed on described installing rack
On.
8. the multispectral video camera as described in any one of claim 1～7, it is characterised in that also include:
The calibration display module electrically connected with the plurality of imaging system, described calibration display module is for showing with every
Individual imaging system calibrates the position of the target picture in light target position and each imaging system one to one.
9. the optical axis of the multispectral video camera being applied to as described in any one of claim 1～8 synchronizes school
Quasi-method, it is characterised in that including:
The imaging system fixing with described installing rack obtains target picture；
When the center of described target picture and calibration light target center set in advance are misaligned, control described tune
The work of joint mechanism is until center and the described calibration light target center superposition of described target picture；Wherein: described pre-
The calibration light first set is designated as the calibration light that the fixing imaging system of installing rack set in advance and described is corresponding
Mark, and the center line optical axis coincidence of each calibration cursor and corresponding imaging system.
The optical axis synchronous calibration method of multispectral video camera the most as claimed in claim 9, it is characterised in that
When governor motion includes driving motor, leading screw and slide block, described optical axis synchronous calibration method also includes:
When the center of described target picture and calibration light target center set in advance are misaligned, control described to drive electricity
Machine work is until center and the described calibration light target center superposition of described target picture.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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