CN104394316B - Camera pan-tilt posture testing system - Google Patents
Camera pan-tilt posture testing system Download PDFInfo
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- CN104394316B CN104394316B CN201410650930.1A CN201410650930A CN104394316B CN 104394316 B CN104394316 B CN 104394316B CN 201410650930 A CN201410650930 A CN 201410650930A CN 104394316 B CN104394316 B CN 104394316B
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Abstract
The invention discloses a kind of camera pan-tilt posture testing system, including master control tank module, camera pan-tilt system module, sensor assembly and work station, sensor assembly is arranged on camera pan-tilt system module, master control tank module is connected with sensor assembly, control sensor assembly acquisition camera holder attitude information, master control tank module is connected with work station, the synchronizing signal that parsing work station is sent, to workstation synchronization transmission objectives holder attitude information.The present invention is integrated come the attitude information of test mechanical arm type holder using Multi-orientation multi-angle sensor, electric power system can be reinforced and be installed on camera pan-tilt system module using 12V DC power voltage supply, the compact master control tank module of video camera, be more favorable for the shooting of complex work environment.
Description
Technical field
The invention belongs to technical field of electronic equipment, particularly a kind of camera pan-tilt posture testing system.
Background technology
Camera pan-tilt attitude test all relates in many fields, such as security protection, monitoring, robotic vision system image
Processing etc..Existing mechanical localization method is for monitoring and safety-protection system mostly, it is studied just for PTZ monitoring cameras
Machine, i.e., only control gathers three Pan (rolling), Tilt (pitching) and Zoom (focal length) indexs, for virtual 3D camera pan-tilts
Complicated mechanical arm action be completely inadequate.The virtual 3D synthesis existing general technology in field is seen by human eye
Survey, the movement for artificially controlling dummy object, although this method can also reach the mesh that dummy object is inserted in actual photographed
, but the problem of due to resolution of eye, it is difficult to ensure its precision, caused result is virtual object in the picture shot
Body seems very untrue.
Chinese invention patent CN103024276A discloses a kind of positioning of monopod video camera, Zooming method, and this method is not
Need that sensor is installed, it is not necessary to do mechanical alteration to camera pan-tilt, only shooting picture need to be uploaded to computer does image
Processing, but this kind of method cannot recognize that some particular images, need the time longer for complicated image processing, stationary problem
Have to be solved.
The content of the invention
It is an object of the invention to provide a kind of high-precision camera pan-tilt posture testing system.
The technical solution for realizing the object of the invention is：A kind of camera pan-tilt posture testing system, including master control tank module,
Camera pan-tilt system module, sensor assembly and work station；The sensor assembly is arranged on camera pan-tilt system module
On, master control tank module is connected with sensor assembly, controls sensor assembly acquisition camera holder attitude information, master control tank module
It is connected with work station, the synchronizing signal that parsing work station is sent, to workstation synchronization transmission objectives holder attitude information.
Compared with prior art, beneficial effects of the present invention are：(1) present invention makes master control using synchronizing signal parsing module
Case realizes synchronous transmitting data with work station, image synthesizing procedure is not lost a frame data；(2) present invention utilizes multi-faceted more
Angular transducer synthesis carrys out the attitude information of test mechanical arm type holder, and the information between different sensors is realized by algorithm
Overlap-add procedure；(3) high-precision sensor of the invention makes that single transducer dwell precision reaches 0.001 degree, dynamic accuracy reaches
0.005 degree, high accuracy positioning is realized to camera pan-tilt posture；(4) electric power system of the invention uses the 12V DC of video camera
Power voltage supply, suitable for different working environments；(5) the compact master control tank module of the present invention is fixedly installed in camera pan-tilt system
On module of uniting, the shooting of complex work environment is more favorable for.
Brief description of the drawings：
Fig. 1 is the camera pan-tilt posture testing system schematic diagram of the present invention.
Fig. 2 is the structure chart of the camera pan-tilt system module of the present invention.
Fig. 3 is the structure diagram of the master control tank module of the present invention.
Fig. 4 is the main control board composition structure chart of the present invention.
Embodiment：
With reference to Fig. 1, a kind of camera pan-tilt posture testing system of the invention, including master control tank module 1, camera pan-tilt
System module 2, sensor assembly 3 and work station 4；The sensor assembly is arranged on camera pan-tilt system module 2, master control
Tank module 1 is connected with sensor assembly 3, control 3 acquisition camera holder attitude information of sensor assembly, master control tank module 1 with
Work station 4 is connected, the synchronizing signal that parsing work station 4 is sent, to 4 synchronous transfer target holder attitude information of work station.
With reference to Fig. 2, Fig. 3 and Fig. 4, the camera pan-tilt system module 2 include video camera 2-2, camera pan-tilt 2-3,
The bottom of holder rocking arm 2-4 and holder foot stool 2-5, holder rocking arm 2-4 are arranged on holder foot stool 2-5, and camera pan-tilt 2-3 is set
Put and be arranged in the top of holder rocking arm 2-4, video camera 2-2 on camera pan-tilt；The master control tank module 1 includes governor circuit
Plate 5, voltage transformation module 6 and synchronizing signal parsing module 7；The main control board 5 includes main control chip module 5-1, sensing
Device acquisition module 5-2, the main control chip module 5-1 control sensor acquisition modules 5-2 collection sensor informations；Video camera cloud
Video camera 2-2 in platform system module 2 is connected with the voltage transformation module 6 in master control tank module 1, and video camera 2-2 is exported straight
Galvanic electricity pressure is powered after voltage transformation module 6 is changed into master control tank module 1 and sensor assembly 3；Synchronizing signal parsing module 7
Input terminal be connected with the output terminal of work station 4, the output terminal of synchronizing signal parsing module 7 is connected with main control board 5, to same
Step signal sends to main control board 5 after being parsed and being latched and transmits data command, the output terminal of main control board 5 and work
Stand 4 be connected, target holder attitude information is transferred to work station 4.
The sensor assembly 3 includes first sensor 3-1, second sensor 3-2,3rd sensor 3-3, the 4th sensing
Device 3-4, the 5th sensor 3-5 and the 6th sensor 3-6, the output terminals of above-mentioned 6 sensors with sensor acquisition module 5-2
Connection；The first sensor 3-1 and second sensor 3-2 are engaged in the shooting of video camera 2-2 by the gear of 3D printing
On machine camera lens 2-1, for testing the focus and focal length of video camera 2-2；The 3rd sensor 3-3 is arranged on camera pan-tilt 2-
Inside 3, for measuring camera pan-tilt 2-3 rolling；The 4th sensor 3-4 is located at camera pan-tilt avris, for measuring
The pitching of camera pan-tilt, the 5th sensor 3-5 is arranged on holder rocking arm, for measuring the pitching of holder rocking arm；Institute
State the 6th sensor 3-6 to be arranged in holder foot stool, for measuring the rolling of holder foot stool.
6 sensors are connected by aviation head with sensor acquisition module 5-2.
The first sensor 3-1 and second sensor 3-2 are the sensor based on differential signal transmission, and the described 3rd
Sensor 3-3 is absolute optical electric transducer, and the 4th sensor 3-4 and the 5th sensor 3-5 is compass detector, institute
It is the sensor based on SSI transport protocols to state the 6th sensor 3-6.
The chip that the synchronizing signal parsing module 7 uses is CPLD Complex Programmable Logic Devices.
The DC voltage of the video camera 2-2 outputs is 12V DC voltage.
The master control tank module 1 is connected with work station 4 by serial line interface.
With reference to specific embodiment, the present invention will be further described.
Embodiment 1
With reference to Fig. 1, a kind of camera pan-tilt posture testing system, including master control tank module 1, camera pan-tilt system module
2nd, sensor assembly 3 and work station 4, wherein：Sensor assembly 3 is connected with camera pan-tilt system module 2, master control tank module 1
With 3 series control acquisition camera holder attitude information of sensor assembly, master control tank module 1 and 4 series-connected transmission target of work station
Holder attitude information.
Master control tank module 1 includes main control board 5, voltage transformation module 6 and synchronizing signal parsing module 7, wherein voltage
Modular converter 6 is connected with main control board 5 and synchronizing signal parsing module 7 to provide operating voltage, synchronizing signal parsing module 7
It is connected with main control board 5 to provide synchronizing signal.
With reference to Fig. 2, camera pan-tilt system module 2 includes：Camera lens 2-1, video camera 2-2, camera pan-tilt 2-
3rd, holder rocking arm 2-4 and holder foot stool 2-5, wherein holder foot stool 2-5 are set on the ground, and holder rocking arm 2-4 bottoms are installed on
, it can be achieved that 0~360 degree of rolling and 0~90 degree are bowed and shaken on holder foot stool 2-5, camera pan-tilt 2-3 is installed on holder rocking arm 2-4
Top is, it can be achieved that 0~360 degree of rolling and 0~90 degree are bowed and shaken, and video camera 2-1 is installed on camera pan-tilt 2-3, video camera mirror
Head 2-1 is installed on video camera 2-2, it can be achieved that the push-and-pull of focus and focal length.
Voltage transformation module 6 is connected provide camera pan-tilt module 2 with the video camera 2-2 of camera pan-tilt module 2
12V DC voltage conversion is the operating voltage needed for main control board 5 and sensor assembly 3.
With reference to Fig. 3, synchronizing signal parsing module 7 is connected the vision signal sent for isolating work station 4 with work station 4
In synchronizing signal and send the signal for sending camera pan-tilt attitude information synchronous to work station 4 to main control board.
With reference to Fig. 4, main control board 5 includes main control chip module 5-1, wherein sensor acquisition module 5-2, main control chip
Module 5-1 is connected control collection sensor information with sensor acquisition module 5-2.
Sensor assembly 3 includes first sensor 3-1, second sensor 3-2,3rd sensor 3-3, the 4th sensor 3-
4th, the 5th sensor 3-5 and the 6th sensor 3-6, the output terminal of above-mentioned 6 sensors are gathered by aviation head and sensor
Module 5-2 connections；The first sensor 3-1 and second sensor 3-2 are engaged in video camera 2-2 by the gear of 3D printing
Camera lens 2-1 on, for testing the focus and focal length of video camera 2-2；The 3rd sensor 3-3 is arranged on video camera
Inside holder 2-3, for measuring camera pan-tilt 2-3 rolling；The 4th sensor 3-4 is located at camera pan-tilt avris, uses
In the pitching of measurement camera pan-tilt, the 5th sensor 3-5 is arranged on holder rocking arm, for measuring bowing for holder rocking arm
Face upward；The 6th sensor 3-6 is arranged in holder foot stool, for measuring the rolling of holder foot stool.
First sensor 3-1, second sensor 3-2 are the increment photoelectric sensor based on differential signal transmission, the 3rd
Sensor 3-3 is 18 absolute optical electric transducers, and the 4th sensor 3-4 and the 5th sensor 3-5 are based on three gyroscopes
Modified compass detector, the 6th sensor 3-6 are the sensor based on SSI transport protocols.
After the power is turned on, operating voltage of the voltage transformation module 6 by the 12V voltage conversions of video camera 2-2 into each module, each module
Start to work, during action, the data of each module can become the mechanical arm that camera pan-tilt system module 2 forms
Change, the sensor assembly 3 that this change is attached thereon is experienced and controls collection by the main control board 5 in Main Control Tank 1, main
Control circuit board 5 data of sensor assembly 3 are handled after according to needed for Free-d protocol packings into work station 4 form, treat
After receiving the synchronous transmitting data instruction that synchronizing signal parsing module 7 is sent, holder attitude information, work are sent to work station 4
Make station 4 and virtual 3D rendering is synthesized according to holder attitude information.
The foregoing is merely the preferred embodiment of the present invention, is not intended to limit the invention, for those skilled in the art
For member, the invention may be variously modified and varied.Any modification within the spirit and principles of the invention, being made,
Equivalent substitution, improvement etc., should all be included in the protection scope of the present invention.
Claims (5)
1. a kind of camera pan-tilt posture testing system, it is characterised in that including master control tank module (1), camera pan-tilt system
Module (2), sensor assembly (3) and work station (4)；The sensor assembly is arranged on camera pan-tilt system module (2),
Master control tank module (1) is connected with sensor assembly (3), controls sensor assembly (3) acquisition camera holder attitude information, master control
Tank module (1) is connected with work station (4), the synchronizing signal that parsing work station (4) is sent, to work station (4) synchronous transfer target
Holder attitude information；
The camera pan-tilt system module (2) include video camera (2-2), camera pan-tilt (2-3), holder rocking arm (2-4) and
Holder foot stool (2-5), the bottom of holder rocking arm (2-4) are arranged on holder foot stool (2-5), and camera pan-tilt (2-3) is arranged on
The top of holder rocking arm (2-4), video camera (2-2) are arranged on camera pan-tilt；The master control tank module (1) includes master control electricity
Road plate (5), voltage transformation module (6) and synchronizing signal parsing module (7)；The main control board (5) includes main control chip mould
Block (5-1), sensor acquisition module (5-2), main control chip module (5-1) control sensor acquisition module (5-2) collection
Sensor information；Video camera (2-2) in camera pan-tilt system module (2) and the voltage conversion mould in master control tank module (1)
Block (6) is connected, the DC voltage of video camera (2-2) output after voltage transformation module (6) is changed into master control tank module (1) and
Sensor assembly (3) is powered；The input terminal of synchronizing signal parsing module (7) is connected with the output terminal of work station (4), synchronizing signal
The output terminal of parsing module (7) is connected with main control board (5), and parsing is carried out to synchronizing signal and latches backward main control board
(5) transmission data command is sent, the output terminal of main control board (5) is connected with work station (4), and target holder attitude information is passed
It is defeated by work station (4)；
The sensor assembly (3) includes first sensor (3-1), second sensor (3-2), 3rd sensor (3-3), the 4th
Sensor (3-4), the 5th sensor (3-5) and the 6th sensor (3-6), the output terminal of above-mentioned 6 sensors is and sensor
Acquisition module (5-2) connects；The first sensor (3-1) and second sensor (3-2) are engaged by the gear of 3D printing
In on the camera lens (2-1) of video camera (2-2), for testing the focus and focal length of video camera (2-2)；3rd sensing
Device (3-3) is arranged on camera pan-tilt (2-3) inside, for measuring camera pan-tilt (2-3) rolling；4th sensor
(3-4) is located at camera pan-tilt avris, and for measuring the pitching of camera pan-tilt, the 5th sensor (3-5) is arranged on cloud
On platform rocking arm, for measuring the pitching of holder rocking arm；6th sensor (3-6) is arranged in holder foot stool, for measuring
The rolling of holder foot stool；
The first sensor (3-1) and second sensor (3-2) are the sensor based on differential signal transmission, and the described 3rd
Sensor (3-3) is absolute optical electric transducer, and the 4th sensor (3-4) and the 5th sensor (3-5) are that compass passes
Sensor, the 6th sensor (3-6) are the sensor based on SSI transport protocols.
2. camera pan-tilt posture testing system according to claim 1, it is characterised in that 6 sensors pass through boat
Bear is connected with sensor acquisition module (5-2).
3. camera pan-tilt posture testing system according to claim 1, it is characterised in that the synchronizing signal parses mould
The chip that block (7) uses is CPLD Complex Programmable Logic Devices.
4. camera pan-tilt posture testing system according to claim 1, it is characterised in that the video camera (2-2) is defeated
The DC voltage gone out is 12V DC voltage.
5. camera pan-tilt posture testing system according to claim 1, it is characterised in that the master control tank module (1)
It is connected with work station (4) by serial line interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410650930.1A CN104394316B (en) | 2014-11-16 | 2014-11-16 | Camera pan-tilt posture testing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410650930.1A CN104394316B (en) | 2014-11-16 | 2014-11-16 | Camera pan-tilt posture testing system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104394316A CN104394316A (en) | 2015-03-04 |
| CN104394316B true CN104394316B (en) | 2018-05-01 |
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ID=52612146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410650930.1A Expired - Fee Related CN104394316B (en) | 2014-11-16 | 2014-11-16 | Camera pan-tilt posture testing system |
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| CN (1) | CN104394316B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105784346B (en) * | 2016-04-13 | 2018-05-08 | 中国计量学院 | Aircraft holder stability test method based on digital camera |
| CN105915899B (en) * | 2016-07-04 | 2017-09-12 | 广东容祺智能科技有限公司 | A kind of unmanned aerial vehicle onboard multiaxis head debugging apparatus |
| WO2019019152A1 (en) * | 2017-07-28 | 2019-01-31 | 深圳市大疆创新科技有限公司 | Reliability testing method and device for cradle head |
| CN107509007A (en) * | 2017-08-09 | 2017-12-22 | 南京理工大学 | A kind of virtual studio synchronizing signal piece-rate system |
| CN108419069A (en) * | 2018-03-13 | 2018-08-17 | 中浙信科技咨询有限公司 | A kind of 3D light path acquisition systems based on digital camera equipment |
| CN109445419A (en) * | 2018-12-07 | 2019-03-08 | 中国科学院长春光学精密机械与物理研究所 | A kind of the opto-electric stabilization holder and its test method of teaching-oriented |
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