CN202956107U - Device used for obtaining gesture data of camera - Google Patents
Device used for obtaining gesture data of camera Download PDFInfo
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- CN202956107U CN202956107U CN201220466968.XU CN201220466968U CN202956107U CN 202956107 U CN202956107 U CN 202956107U CN 201220466968 U CN201220466968 U CN 201220466968U CN 202956107 U CN202956107 U CN 202956107U
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Abstract
The utility model provides a device used for obtaining gesture data of a camera. The device used for obtaining the gesture data of the camera comprises a global positioning system, acceleration sensors, a gyroscopes and a core processor, wherein the global positioning system is used for obtaining longitude and latitude and time of the camera, the acceleration sensors are used for measuring the moving speed of the camera and the location of the camera by being matched with the global positioning system, the gyroscope is used for measuring the moving direction and shooting angle of the camera and angular speed of the rotation of the camera by being matched with the global positioning system, the core processor is used for reading data of the global positioning system corresponding to each frame video based on a vertical synchronization pulse and each sensor, carrying out fusion and filtering processing on the data, and outputting the location of the camera and the gesture data after the location of the camera and the gesture data are obtained. A camera with the device used for obtaining the gesture data not only can be used for shooting videos and collecting sounds, but also can be used for collecting information such as state, time, and location, of the camera when the camera is used for shooting the videos, and a shooting scene can be reproduced in the future conveniently.
Description
Technical field
The utility model relates to a kind of video camera attitude data fields of measurement, more specifically, relates to a kind of device that obtains the video camera attitude data.
Background technology
In recent years, the application of information issuing system and radio and television is ubiquitous, spreads all in all trades and professions and various occasion of people's life and society.And the video pictures that these information sources draw the shooting of site of activity in video camera, in the prior art, the information such as shooting angle of the position of video camera, movement velocity, video camera in the time of when the picture of taking is recorded to tape, CD or is transferred to far-end, can't obtaining taking.When particularly various disasters or accident occured, the attitude data of not corresponding with video pictures video camera reappeared love scene, to command centre the analysis of live event had been brought inconvenience, had lost important evidence.
The utility model content
In view of this, fundamental purpose of the present utility model is to provide a kind of device that obtains the video camera attitude data, can solve the problem of the attitude data that can't obtain the video camera shooting that exists in the prior art.
For achieving the above object, the technical solution of the utility model is achieved in that
The utility model provides a kind of device that obtains the video camera attitude data, comprise: global position system, acceleration transducer, gyroscope and core processor, wherein, global position system, link to each other with core processor, be used for longitude and latitude and the time of obtaining camera position; Acceleration transducer links to each other with core processor, is used for cooperating with global position system, measures the speed of camera motion and the position of video camera; Gyroscope links to each other with core processor, is used for cooperating with global position system, measures the direction of camera motion and the rotational angular velocity of shooting angle and measurement video camera; Core processor is used for reading the corresponding global position system of every frame video and each sensing data based on frame-synchronizing impulse, and with its do fusions, filtering is processed, present position and attitude data are exported after drawing the residing position of video camera and attitude data.
Preferably, this device also comprises geomagnetic sensor, links to each other with core processor, and the shooting angle that is used for relatively drawing with local true field current video camera cooperates acceleration transducer with the initialization of video camera attitude data simultaneously.
Preferably, acceleration transducer also is used for utilizing acceleration of gravity that geomagnetic sensor is done tilt correction.
Preferably, this device also comprises baroceptor, links to each other with core processor, is used for measuring the air pressure of video camera present position and cooperates global position system to calculate the residing height of video camera.
Preferably, this device also comprises, the frame synchronization generator links to each other with core processor with video camera respectively, is used for isolating frame-synchronizing impulse from the vision signal of video camera output, and frame-synchronizing impulse is sent to core processor.
Preferably, core processor comprises, the synchronizing pulse counter is used for frame-synchronizing impulse is counted.
Preferably, geomagnetic sensor also is used for regularly the video camera attitude data being done correction based on the umber of pulse of synchronizing pulse counter when gyroscope is static.
Technique effect of the present utility model:
1. because the utility model is provided with global position system, acceleration transducer, gyro sensor and core processor, video camera not only can the capture video picture, gather sound, in the time of can also measuring the video camera shooting picture, the residing position of video camera, the attitude datas such as the angular velocity that rotates and translational speed, and these data are related with each frame of video pictures, if far-end transmission, when seeing video, remote subscriber just can see the attitude when video camera is taken, and can be mapped out video camera position and shooting angle, when various disasters or accident generation, if video and attitude data are passed to command centre simultaneously, be convenient to the reproduction of love scene, can be used as in case of necessity important evidence and use, the high-level leader is played positive role;
2. because the utility model is provided with geomagnetic sensor, the shooting angle that can draw current video camera cooperates acceleration transducer with the initialization of video camera attitude data simultaneously; Geomagnetic sensor when gyroscope is static, regularly does correction to the video camera attitude based on the umber of pulse of synchronizing pulse counter, reduced video camera obtains attitude data when taking error, improved the degree of accuracy of attitude data;
3. because the utility model is provided with baroceptor, cooperate global position system to measure video camera residing height when shooting picture, position that can more accurate definite video camera;
4. because the utility model is provided with the frame synchronization generator, from the vision signal of video camera output, isolate frame-synchronizing impulse, core processor with frame-synchronizing impulse as benchmark, read each sensor corresponding to every frame video and the data of global position system, guaranteed that these data messages are related with each frame of video pictures, realized the synchronous output of video camera attitude data and video.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present utility model, consists of the application's a part, and illustrative examples of the present utility model and explanation thereof are used for explaining the utility model, do not consist of improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 shows a kind of structural representation that obtains the device of video camera attitude data according to the utility model embodiment one;
Fig. 2 shows a kind of structural representation that obtains the device of video camera attitude data according to the utility model embodiment two;
Fig. 3 shows a kind of structural representation that obtains the device of video camera attitude data according to the utility model embodiment three;
Fig. 4 shows a kind of structural representation that obtains the device of video camera attitude data according to the utility model embodiment four;
Fig. 5 shows a kind of process flow diagram that obtains the method for video camera attitude data according to the utility model embodiment five;
Fig. 6 shows a kind of process flow diagram that obtains the method for video camera attitude data according to the utility model embodiment six;
Fig. 7 shows a kind of process flow diagram that obtains the method for video camera attitude data according to the utility model embodiment seven;
Fig. 8 shows a kind of concrete processing flow chart that obtains the method for video camera attitude data according to the utility model embodiment eight.
Embodiment
Below with reference to the accompanying drawings and in conjunction with the embodiments, describe the utility model in detail.
Embodiment one
Fig. 1 shows a kind of structural representation that obtains the device of video camera attitude data according to the utility model embodiment one; As shown in Figure 1, this device comprises: global position system 10, acceleration transducer 20, gyroscope 30 and core processor 40, wherein,
Global position system 10 links to each other with core processor 40, is used for longitude and latitude and the time of obtaining camera position;
Acceleration transducer 20 links to each other with core processor 40, is used for cooperating with global position system 10, measures the speed of camera motion and the position of video camera;
Gyroscope 30 links to each other with core processor 40, is used for cooperating with global position system 10, measures the direction of camera motion and the rotational angular velocity of shooting angle and measurement video camera;
Core processor 40, be used for reading the corresponding global position system 10 of every frame video and each sensing data based on frame-synchronizing impulse, and it is done fusion, filtering process, draw behind the residing position of video camera and the attitude data present position and attitude data output.
Because embodiment of the present utility model is provided with global position system, acceleration transducer, gyro sensor and core processor, video camera not only can the capture video picture, gather sound, in the time of can also measuring the video camera shooting picture, the residing position of video camera, the attitude datas such as the angular velocity that rotates and translational speed, and these data are related with each frame of video pictures, if far-end transmission, when seeing video, remote subscriber just can see the attitude when video camera is taken, and can be mapped out video camera position and shooting angle, when various disasters or accident generation, if video and attitude data are passed to command centre simultaneously, be convenient to the reproduction of love scene, can be used as in case of necessity important evidence and use, the high-level leader is played positive role.
Embodiment two
Fig. 2 shows a kind of structural representation that obtains the device of video camera attitude data according to the utility model embodiment two; As shown in Figure 2, this device also comprises geomagnetic sensor 50, links to each other with core processor 40, and the shooting angle that is used for relatively drawing with local true field current video camera cooperates acceleration transducer 20 with the initialization of video camera attitude data simultaneously.
Acceleration transducer 20 also is used for utilizing acceleration of gravity that geomagnetic sensor 50 is done tilt correction; (such as through cavern) cooperation gyroscope 30 is not done the motion estimation of video camera when having satellite navigation signals.
Core processor 40 comprises: synchronizing pulse counter 402 is used for frame-synchronizing impulse is counted.
Geomagnetic sensor 50 also is used for regularly the video camera attitude being done correction based on the umber of pulse of synchronizing pulse counter 402 when gyroscope 30 is static.
Acceleration transducer 20 in the present embodiment, gyroscope 30, geomagnetic sensor 50 can be 3-axis acceleration sensor, three-axis gyroscope, three axle geomagnetic sensors, also can respectively adopt three single shaft devices to replace, during installation similar device is arranged vertically mutually.
Wherein, gyroscope 30 can adopt mechanical gyroscope, lasergyro etc., but consider the conveniently moving of video camera, preferably adopt piezoelectric gyroscope.Acceleration transducer 20, gyroscope 30 and geomagnetic sensor 50 are fixed near the rotation axis of video camera when installing as far as possible.Definite method of rotation axis is as follows: if take pickaback, rotation axis is in the centre of buttstrap; If tripod is taken, rotation axis is in the centre of tripod rotary platform.In addition, as far as possible away from the object of metal, can adopt the mode of support to be fixed on the video camera when being installed on the video camera when geomagnetic sensor 50 is installed, make itself and video camera keep the vertical range of 3-5cm.
Because embodiment of the present utility model is provided with geomagnetic sensor, the shooting angle that can draw current video camera cooperates acceleration transducer with the initialization of video camera attitude data simultaneously; Geomagnetic sensor regularly does correction to the video camera attitude based on the umber of pulse of synchronizing pulse counter, reduced video camera obtains attitude data when taking error, improved the degree of accuracy of attitude data.
Embodiment three
Fig. 3 shows a kind of structural representation that obtains the device of video camera attitude data according to the utility model embodiment three; As shown in Figure 3, this device also comprises: baroceptor 60, link to each other with core processor 40, and be used for measuring the air pressure of video camera present position and cooperate global position system 10 to calculate the residing height of video camera.
Because embodiment of the present utility model is provided with baroceptor, cooperate global position system to measure video camera residing height when shooting picture, error has been reduced in position that can more accurate definite video camera.
Embodiment four
Fig. 4 shows a kind of structural representation that obtains the device of video camera attitude data according to the utility model embodiment four; As shown in Figure 4, this device also comprises, frame synchronization generator 70 links to each other with core processor 40 with video camera respectively, is used for isolating frame-synchronizing impulse from the vision signal of video camera output, and frame-synchronizing impulse is sent to core processor 40.
In embodiment of the present utility model, owing to be provided with the frame synchronization generator, from the vision signal of video camera output, isolate frame-synchronizing impulse, core processor with frame-synchronizing impulse as benchmark, read each sensor corresponding to every frame video and the data of global position system, guaranteed that these data messages are related with each frame of video pictures, realized the synchronous output of video camera attitude data and video.
Embodiment five
Fig. 5 shows a kind of process flow diagram that obtains the method for video camera attitude data according to the utility model embodiment 5; As shown in Figure 6, the method comprises:
Step S501, global position system is obtained longitude and latitude and the time of camera position;
Step S502, acceleration transducer and the speed of global position system conjunction measuring camera motion and the position of video camera;
Step S503, the direction of gyroscope and global position system conjunction measuring camera motion and shooting angle and the rotational angular velocity of measuring video camera;
Step S504, core processor reads the corresponding global position system of every frame video and each sensing data based on frame-synchronizing impulse;
Step S505 does fusion, filtering with data and processes and draw video camera present position and attitude data, and with present position and attitude data output.
In order to determine that camera position is more accurate, the method also comprised before step S504: baroceptor is measured the air pressure of video camera present position and is cooperated global position system to calculate the residing height of video camera.
Related with each frame of video pictures in order to guarantee the video camera attitude data that core processor reads, realize the synchronous output of video camera attitude data and video, the method also comprised before step S504: the frame synchronization generator is isolated frame-synchronizing impulse from the vision signal of video camera output, and frame-synchronizing impulse is sent to core processor.
Embodiment of the present utility model realized video camera not only can the capture video picture, gather sound, the information such as the state in the time of can also collecting video camera capture video picture, when and where.And these information are related with each frame of video pictures, when these information recording /s during to media such as tape, CDs, can provide convenience for the scene of reappearing when taking in the future.If the burst time is except can be with live video and audio transmission to far-end, even can also transmit the information such as state, when and where of video camera.For the event disposal provides more detailed reference.
Embodiment six
Fig. 6 shows a kind of process flow diagram that obtains the method for video camera attitude data according to the utility model embodiment six; As shown in Figure 6, before video camera was taken, the method also comprised:
Step S601, geomagnetic sensor cooperates described acceleration transducer with the initialization of video camera attitude data with the shooting angle that local true field relatively draws current video camera simultaneously;
Step S602, acceleration transducer utilize acceleration of gravity that geomagnetic sensor is done tilt correction.
Embodiment seven
Fig. 7 shows a kind of process flow diagram that obtains the method for video camera attitude data according to the utility model embodiment seven; As shown in Figure 7, process and draw video camera present position and attitude data described data being done fusion, filtering, and will the present position and attitude data output after also comprise:
Step S701, the synchronizing pulse counter is counted frame-synchronizing impulse;
Step S702, geomagnetic sensor regularly do correction to the video camera attitude based on the umber of pulse of synchronizing pulse counter when gyroscope is static.
Embodiment eight
Fig. 8 shows a kind of concrete processing flow chart that obtains the method for video camera attitude data according to the utility model embodiment eight; As shown in Figure 8, may further comprise the steps:
Step S801 remains static video camera;
Step S802, start;
Step S803 obtains longitude and latitude and the event of video camera current location from global position system;
Step S804 reads acceleration transducer, geomagnetic sensor and baroceptor data;
Step S805 does slant correction with the data of acceleration transducer to geomagnetic sensor;
Step S806, tabling look-up according to longitude and latitude and time obtains local magnetic field of the earth and distributes;
Step S807, the data that the magnetic field of the earth of locality is distributed with geomagnetic sensor compare, and draw current video camera shooting angle and to the initialization of video camera attitude data;
Step S808, " can take " pilot lamp is bright, and video camera begins to take;
Does step S809 receive the frame-synchronizing impulse that the frame synchronization generator transmits? if, execution in step S810, if not, execution in step S813;
Step S810 reads the data of gyroscope, acceleration transducer, baroceptor and global position system;
Step S811 does fusion, filtering to the data of reading and processes shooting angle, position and the translational speed that draws video camera;
Step S812, output shooting angle, position and translational speed data;
Step S813, whether gyroscope static? if, execution in step S814; If not, return step S809; Step S814, synchronizing pulse counter "+1 ";
Step S815, synchronizing pulse counter pulse number=25? if, execution in step S816; If not, return step S809;
Step S816, geomagnetic sensor is proofreaied and correct the video camera attitude;
Step S817, step S809 is returned in the zero setting of synchronizing pulse counter.
At execution in step S802, during start, if geomagnetic sensor is interfered, can first video camera be rotated a circle, the changes of magnetic field that then rotates a circle according to video camera calculates the practically direction of signal magnetic field.
In addition, not being in the extra high situation to precision, for simplified operation, when the beginning initialization, can save step S806.
Among the step S815, the umber of pulse of synchronizing pulse counter can change, and is not limited to 25, also can transfer length.
As can be seen from the above description, the utility model the above embodiments have realized following technique effect:
1. owing to be provided with global position system, acceleration transducer, gyro sensor and core processor, video camera not only can the capture video picture, gather sound, in the time of can also measuring the video camera shooting picture, the residing position of video camera, the attitude datas such as the angular velocity that rotates and translational speed, and these data are related with each frame of video pictures, if far-end transmission, when seeing video, remote subscriber just can see the attitude when video camera is taken, and can be mapped out video camera position and shooting angle, when various disasters or accident generation, if video and attitude data are passed to command centre simultaneously, be convenient to the reproduction of love scene, can be used as in case of necessity important evidence and use, the high-level leader is played positive role;
2. owing to be provided with geomagnetic sensor, the shooting angle that can draw current video camera cooperates acceleration transducer with the gyroscope initialization simultaneously; Geomagnetic sensor is regularly proofreaied and correct the video camera attitude data based on the umber of pulse of synchronizing pulse counter, has reduced video camera obtains attitude data when taking error, has improved the degree of accuracy of attitude data;
3. owing to be provided with baroceptor, cooperate global position system to measure video camera residing height when shooting picture, position that can more accurate definite video camera;
4. owing to be provided with the frame synchronization generator, from the vision signal of video camera output, isolate frame-synchronizing impulse, core processor with frame-synchronizing impulse as benchmark, read each sensor corresponding to every frame video and the data of global position system, guaranteed that these data messages are related with each frame of video pictures, realized the synchronous output of video camera attitude data and video.
The above is preferred embodiment of the present utility model only, is not limited to the utility model, and for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (7)
1. a device that obtains the video camera attitude data is characterized in that, comprising: global position system, acceleration transducer, gyroscope and core processor, wherein,
Described global position system links to each other with described core processor, is used for longitude and latitude and the time of obtaining camera position;
Described acceleration transducer links to each other with described core processor, is used for cooperating with described global position system, measures the speed of camera motion and the position of video camera;
Described gyroscope links to each other with described core processor, is used for cooperating with described global position system, measures the direction of camera motion and the rotational angular velocity of shooting angle and measurement video camera;
Described core processor, be used for reading the corresponding described global position system of every frame video and each sensing data based on frame-synchronizing impulse, and it is done fusion, filtering process, draw behind the residing position of video camera and the attitude data present position and attitude data output.
2. the device that obtains the video camera attitude data according to claim 1, it is characterized in that, also comprise geomagnetic sensor, link to each other with described core processor, the shooting angle that is used for relatively drawing with local true field current video camera cooperates described acceleration transducer with the initialization of described video camera attitude data simultaneously.
3. the device that obtains the video camera attitude data according to claim 2 is characterized in that, described acceleration transducer also is used for utilizing acceleration of gravity that described geomagnetic sensor is done tilt correction.
4. the device that obtains the video camera attitude data according to claim 1, it is characterized in that, also comprise: baroceptor, link to each other with described core processor, be used for measuring the air pressure of video camera present position and cooperate described global position system to calculate the residing height of video camera.
5. the device that obtains the video camera attitude data according to claim 2, it is characterized in that, also comprise, the frame synchronization generator, link to each other with described core processor with video camera respectively, be used for isolating described frame-synchronizing impulse from the vision signal of video camera output, and described frame-synchronizing impulse is sent to described core processor.
6. the device that obtains the video camera attitude data according to claim 5 is characterized in that, described core processor comprises, the synchronizing pulse counter is used for described frame-synchronizing impulse is counted.
7. the device that obtains the video camera attitude data according to claim 6 is characterized in that, described geomagnetic sensor also is used for regularly described video camera attitude being done correction based on the umber of pulse of described synchronizing pulse counter when gyroscope is static.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201220466968.XU CN202956107U (en) | 2012-09-13 | 2012-09-13 | Device used for obtaining gesture data of camera |
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| CN201220466968.XU CN202956107U (en) | 2012-09-13 | 2012-09-13 | Device used for obtaining gesture data of camera |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103673990A (en) * | 2012-09-13 | 2014-03-26 | 北京同步科技有限公司 | Device and method for obtaining camera posture data |
| CN103763470A (en) * | 2014-01-10 | 2014-04-30 | 重庆路威科技发展有限公司 | Portable scene shooting device |
| CN104980635A (en) * | 2015-06-16 | 2015-10-14 | 成都西可科技有限公司 | Motion camera for recording and displaying 3D shooting track |
| CN104994256A (en) * | 2015-06-16 | 2015-10-21 | 成都西可科技有限公司 | Motion camera supporting real-time live video |
| CN107330937A (en) * | 2017-06-28 | 2017-11-07 | 联想(北京)有限公司 | Data handling system and method |
| CN109631911A (en) * | 2018-12-17 | 2019-04-16 | 浙江大学 | A kind of attitude of satellite rotation information based on deep learning Target Recognition Algorithms determines method |
| CN112161694A (en) * | 2020-09-21 | 2021-01-01 | 武汉大学 | Method for measuring error of high-speed camera caused by environmental excitation |
| CN117376694A (en) * | 2023-12-07 | 2024-01-09 | 荣耀终端有限公司 | Time synchronization method and processing device |
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2012
- 2012-09-13 CN CN201220466968.XU patent/CN202956107U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103673990A (en) * | 2012-09-13 | 2014-03-26 | 北京同步科技有限公司 | Device and method for obtaining camera posture data |
| CN103673990B (en) * | 2012-09-13 | 2016-04-06 | 北京同步科技有限公司 | Obtain the devices and methods therefor of video camera attitude data |
| CN103763470A (en) * | 2014-01-10 | 2014-04-30 | 重庆路威科技发展有限公司 | Portable scene shooting device |
| CN104980635A (en) * | 2015-06-16 | 2015-10-14 | 成都西可科技有限公司 | Motion camera for recording and displaying 3D shooting track |
| CN104994256A (en) * | 2015-06-16 | 2015-10-21 | 成都西可科技有限公司 | Motion camera supporting real-time live video |
| WO2016201919A1 (en) * | 2015-06-16 | 2016-12-22 | 成都西可科技有限公司 | Motion camera supporting real-time live video |
| CN107330937A (en) * | 2017-06-28 | 2017-11-07 | 联想(北京)有限公司 | Data handling system and method |
| CN109631911A (en) * | 2018-12-17 | 2019-04-16 | 浙江大学 | A kind of attitude of satellite rotation information based on deep learning Target Recognition Algorithms determines method |
| CN109631911B (en) * | 2018-12-17 | 2021-02-05 | 浙江大学 | Satellite attitude rotation information determination method based on deep learning target recognition algorithm |
| CN112161694A (en) * | 2020-09-21 | 2021-01-01 | 武汉大学 | Method for measuring error of high-speed camera caused by environmental excitation |
| CN117376694A (en) * | 2023-12-07 | 2024-01-09 | 荣耀终端有限公司 | Time synchronization method and processing device |
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Granted publication date: 20130529 |