CN103713652A - Holder rotation speed control method, device and system - Google Patents

Holder rotation speed control method, device and system Download PDF

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Publication number
CN103713652A
CN103713652A CN201210372316.4A CN201210372316A CN103713652A CN 103713652 A CN103713652 A CN 103713652A CN 201210372316 A CN201210372316 A CN 201210372316A CN 103713652 A CN103713652 A CN 103713652A
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information
cloud terrace
rotary speed
theoretical
terrace rotary
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CN103713652B (en
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沈剑
张兴明
傅利泉
朱江明
吴军
吴坚
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Zhejiang Dahua Technology Co Ltd
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Zhejiang Dahua Technology Co Ltd
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Abstract

The invention discloses a holder rotation speed control method, device and system. According to the invention, by receiving the focal length multiplier information of the current camera, the multiplier interval information corresponding to the multiplier information is determined; according to the corresponding relationship between the preset multiplier interval information and theoretical holder rotation speed information, the theoretical holder rotation speed information corresponding to the multiplier information is acquired; according to a set theoretical holder rotation speed information conversion policy, the actual holder rotation speed information corresponding to the multiplier information is acquired; the adjusted focal length multiplier information and the holder rotation speed information are associated; when the camera focal length multiplier information is large, the field angle is small; the determined holder rotation speed is slow, thus acquired image information is clear; when the camera focal length multiplier information is small, the field angle is large; the determined holder rotation speed is fast, thus acquired image information is stable; the image information quality is good; a camera storage resource is saved; and the need of a user is met.

Description

A kind of control method of The Cloud Terrace rotating speed, equipment and system
Technical field
The present invention relates to Image Information Processing field, relate in particular to a kind of control method, equipment and system of The Cloud Terrace rotating speed.
Background technology
Along with the progress of scientific technological advance, video monitoring system forward is intelligent, hommization development, and ball-shaped camera has also obtained general use.Described ball-shaped camera has autozoom function, realizes the different demands of user to image information.
In gathering the process of image, can realize gathering the big or small change of a certain setting picture in image by adjusting the focal length of video camera, wherein, zoom operation specifically refers to the focal length of video camera is become greatly or gradually and diminished gradually, when the focal length of video camera is changed from small to big, the acquisition range that makes video camera for a certain setting acquisition target is reduced, a certain dot image of this acquisition target is become to large, this dot image information that can be clear that this acquisition target, effect is more clearly; When the focal length of video camera from large to small time, is increased the acquisition range that makes video camera for a certain setting acquisition target, a certain dot image of this acquisition target is diminished, the quantity of information that can see increases, and the sharpness of image declines.
As can be seen here, by the focal length of adjustment video camera, can realize the image information to static acquisition target within the scope of different visual angles and obtain, the tripod head equipment in video camera can be monitored dynamic acquisition object so that video camera is realized in a big way.
In the prior art, between the speed of adjustment of camera focal length, control cloud platform rotation, be separate.Because video camera is more stressing to gather continuously dynamic image information aspect image acquisition, when by the focal length of video camera is ascending while adjusting, now control the speed of cloud platform rotation when excessive, the image information distortion that causes collecting in cloud platform rotation process is more serious, even occur that the image information gathering does not see the effect of Chu, have a strong impact on picture quality; When by the focal length of video camera is descending while adjusting, now control the speed of cloud platform rotation when too small, the image information that causes video camera to gather in the situation that focal length is less is many, but image information causes not seeing Chu because focal length is less, wasted the storage resources of video camera.
In sum, in the prior art, video camera, when gathering image information, due to the independent operation between cloud platform rotation speed and Focussing, causes the image information of collection second-rate, and then the resource of having wasted video camera.
Summary of the invention
The embodiment of the present invention provides a kind of control method, equipment and system of The Cloud Terrace rotating speed, for solving prior art due to the independent operation between cloud platform rotation speed and Focussing, cause the image information of collection second-rate, and then wasted the problem of the resource of video camera.
A control method for The Cloud Terrace rotating speed, described method comprises:
Receive the focal length multiple information of current video camera;
Determine the multiple block information that described multiple information is corresponding, and according to the corresponding relation between default multiple block information and theoretical The Cloud Terrace rotary speed information, obtain theoretical The Cloud Terrace rotary speed information corresponding to described multiple information;
According to the theoretical The Cloud Terrace rotary speed information of setting, transform strategy, obtain actual The Cloud Terrace rotary speed information corresponding to described multiple information;
The actual The Cloud Terrace rotary speed information that utilization obtains is controlled the cloud platform rotation speed of current video camera, and gathers required image information under described multiple information.
An opertaing device for The Cloud Terrace rotating speed, described equipment comprises:
Receiver module, for receiving the focal length multiple information of current video camera;
Determination module, for determining multiple block information corresponding to described multiple information, and according to the corresponding relation between default multiple block information and theoretical The Cloud Terrace rotary speed information, obtains theoretical The Cloud Terrace rotary speed information corresponding to described multiple information;
Computing module, for transforming strategy according to the theoretical The Cloud Terrace rotary speed information of setting, obtains actual The Cloud Terrace rotary speed information corresponding to described multiple information;
Control module for utilizing the actual The Cloud Terrace rotary speed information obtaining to control the cloud platform rotation speed of current video camera, and gathers required image information under described multiple information.
A control system for The Cloud Terrace rotating speed, described system comprises:
Focussing equipment, for adjusting the focal length multiple information of video camera, and sends to The Cloud Terrace apparatus for controlling speed by the focal length multiple information of current video camera;
The Cloud Terrace apparatus for controlling speed, for receiving the focal length multiple information of current video camera, determine the multiple block information that described multiple information is corresponding, and according to the corresponding relation between default multiple block information and theoretical The Cloud Terrace rotary speed information, obtain theoretical The Cloud Terrace rotary speed information corresponding to described multiple information, and transform strategy according to the theoretical The Cloud Terrace rotary speed information of setting, obtain actual The Cloud Terrace rotary speed information corresponding to described multiple information, the actual The Cloud Terrace rotary speed information that utilization obtains is controlled the cloud platform rotation speed of current video camera, and gather required image information under described multiple information.
Beneficial effect of the present invention is as follows:
The embodiment of the present invention is by receiving the focal length multiple information of current video camera, determine the multiple block information that described multiple information is corresponding, and according to the corresponding relation between default multiple block information and theoretical The Cloud Terrace rotary speed information, obtain theoretical The Cloud Terrace rotary speed information corresponding to described multiple information, and transform strategy according to the theoretical The Cloud Terrace rotary speed information of setting, obtain actual The Cloud Terrace rotary speed information corresponding to described multiple information, according to focal length multiple information and the The Cloud Terrace rotary speed information adjusted, associate like this, when focal length of camera multiple information is larger, field angle is less, definite The Cloud Terrace rotating speed is slower, the image information collecting is like this more clearly, when focal length of camera multiple information hour, field angle is larger, definite The Cloud Terrace rotating speed is very fast, the image information collecting is like this more stable, image information quality is better, has saved video camera storage resources, meets user's needs.
Accompanying drawing explanation
Fig. 1 is the process flow diagram of control method of a kind of The Cloud Terrace rotating speed of the embodiment of the present invention one;
Fig. 2 is the structural drawing of opertaing device of a kind of The Cloud Terrace rotating speed of the embodiment of the present invention two;
Fig. 3 is the structural drawing of control system of a kind of The Cloud Terrace rotating speed of the embodiment of the present invention three.
Embodiment
In order to realize the object of the invention, the embodiment of the present invention provides a kind of control method of The Cloud Terrace rotating speed, equipment and system, by receiving the focal length multiple information of current video camera, determine the multiple block information that described multiple information is corresponding, and according to the corresponding relation between default multiple block information and theoretical The Cloud Terrace rotary speed information, obtain theoretical The Cloud Terrace rotary speed information corresponding to described multiple information, and transform strategy according to the theoretical The Cloud Terrace rotary speed information of setting, obtain actual The Cloud Terrace rotary speed information corresponding to described multiple information, according to focal length multiple information and the The Cloud Terrace rotary speed information adjusted, associate like this, when focal length of camera multiple information is larger, field angle is less, definite The Cloud Terrace rotating speed is slower, the image information collecting is like this more clearly, when focal length of camera multiple information hour, field angle is larger, definite The Cloud Terrace rotating speed is very fast, the image information collecting is like this more stable, image information quality is better, has saved the storage resources of video camera, meets user's needs.
Below in conjunction with Figure of description, various embodiments of the present invention are described in detail.
Embodiment mono-:
As shown in Figure 1, be the process flow diagram of the control method of a kind of The Cloud Terrace rotating speed of the embodiment of the present invention one, described method comprises:
Step 101: the focal length multiple information that receives current video camera.
In step 101, choose arbitrary picture, use the image information of this picture of camera acquisition, in the process gathering, adjust the focal length multiple information of video camera, will obtain different image informations.In order to coordinate the rate request of cloud platform rotation, obtain high-quality image information, when the focal length multiple information to video camera is adjusted, the focal length multiple information of current video camera is sent to cradle head control equipment.
Step 102: determine the multiple block information that described multiple information is corresponding.
In step 102, because the focal length multiple information of video camera is an interval value, when same acquisition target is taken, adjust the multiple information of different focal lengths, the image information that correspondence obtains is different, and wherein, the numerical value of focal length multiple information is less, the visual angle that gathers this object is larger, and the image information obtaining is more clear; The numerical value of focal length multiple information is larger, and the visual angle that gathers this object is less, and the image information obtaining is fuzzyyer.
In order accurately to determine the focal length multiple information of video camera, first, the focal length multiple information of video camera can be divided into different sub-ranges, by the corresponding relation between default focal length multiple information and demarcation interval quantity, realize, wherein, numerical information corresponding to multiple information is less, and demarcation interval quantity is more.
For example: the 18 times of integrated cameras of take are example, the focal length multiple information of this video camera is 1 ~ 18 times, also just means and can within the scope of 1 ~ 18 times, adjust the focal length of video camera, obtains different image informations.Wherein, 1 ~ 18 times of numerical information 0 ~ ZoomMax that can be converted into machine recognition of focal length multiple information.
When focal length multiple information is divided, wherein, different for the quantity of different multiple demarcation intervals.For example: focal length multiple information is 1 ~ 2 times, be divided into 16 grades; Focal length multiple information is 2 ~ 3 times, divides 8 grades; Focal length multiple information is 3 ~ 4 times, divides 6 grades; Focal length multiple information is 4 ~ 5 times, divides 4 grades; Focal length multiple information is 5 ~ 6 times, divides 2 grades; Remaining focal length multiple information is divided respectively 1 grade.
Focal length multiple information after dividing, numerical information and the multiple block information of machine recognition are set up to a mapping table, and set up one-to-one relationship between the numerical information of each machine recognition and multiple block information, as shown in table 1:
Focal length multiple information The numerical information of machine recognition Multiple block information
1 ~ 2 times Z 0~Z 15 Interval 1 ~ interval 16
2 ~ 3 times Z 16~Z 23 Interval 17 ~ interval 24
3 ~ 4 times Z 24~Z 29 Interval 25 ~ interval 30
4 ~ 5 times Z 30~Z 33 Interval 31 ~ interval 34
5 ~ 6 times Z 34~Z 35 Interval 35 ~ interval 36
…… …… ……
18 times Z MAX Interval 48
Table 1
As can be seen from Table 1, focal length times number system information with the corresponding relation between demarcation interval quantity is: the quantity of 1 ~ 2 times of corresponding demarcation interval is 16 intervals, the quantity of 2 ~ 3 times of corresponding demarcation intervals is 8 intervals, the quantity of 3 ~ 4 times of corresponding demarcation intervals is 6 intervals, the quantity of 4 ~ 5 times of corresponding demarcation intervals is 4 intervals, the quantity of 5 ~ 6 times of corresponding demarcation intervals is 2 intervals, and the quantity of demarcation interval corresponding to each multiple information value is 1 interval afterwards.
Wherein, set up one-to-one relationship: Z between the numerical information of each machine recognition and multiple block information 0corresponding interval 1, Z 1corresponding interval 2 ..., Z mAXcorresponding interval 48.
It should be noted that, when focusing multiple information is carried out interval division, can average the mode of division, also can set according to actual needs division foundation, be not specifically limited here.
Secondly, each grade of multiple information is cut apart according to demarcation interval quantity, obtained each multiple block information.
For example, 4 ~ 5 times this grade multiple information is cut apart according to demarcation interval quantity 4, here partitioning scheme adopts average partitioning scheme, 4 times, 4.25 times, 4.5 times, 4.75 times and 5 times, times number interval obtaining is so 4 ~ 4.25 times (interval 31), 4.25 ~ 4.5 times (interval 32), 4.5 ~ 4.75 times (interval 33) and 4.75 ~ 5 times (interval 34).
The 3rd, by the described multiple information receiving with described in the multiple block information that obtains compare, determine the multiple block information that described multiple information is corresponding.
For example, the numerical value of the focal length multiple information of the current video camera receiving is 4.3 times, and the multiple block information obtaining with division compares, and the numerical value of determining focal length multiple information is that 4.3 times of corresponding multiple block informations are 4.25 ~ 4.5 times (interval 32).
More preferably, according to one-to-one relationship between the numerical information of each machine recognition and multiple block information, determine that the numerical information of the machine recognition that 4.25 ~ 4.5 times (interval 32) are corresponding is Z 31.
Further, calculate focal length multiple information and divide the total quantity between multiple block of information.
Take above-mentioned demarcation interval as example, and the total quantity between the division multiple block of information calculating is 48.
Step 103: according to the corresponding relation between default multiple block information and theoretical The Cloud Terrace rotary speed information, obtain theoretical The Cloud Terrace rotary speed information corresponding to described multiple information.
In step 103, the speed that camera pan-tilt rotates is divided into minimum speed and maximum (top) speed, regards minimum speed as an interval to maximum (top) speed, and this interval is divided.
Particularly, first, according to described total quantity, the The Cloud Terrace rotary speed information of video camera setting is divided, obtained described a plurality of The Cloud Terrace rotary speed information, using the The Cloud Terrace rotary speed information obtaining as theoretical The Cloud Terrace rotary speed information.
For example: suppose that minimum value rotating speed is V min, maximum (top) speed is V max, total quantity is 48, by V min~ V maxdivide, wherein, the mode of division can be to be equally divided into 48 parts, can also be to be divided into 48 parts according to the dividing mode of setting, by the theoretical The Cloud Terrace rotary speed information of 48 The Cloud Terrace rotary speed informations that obtain.
Secondly, set up the one-to-one relationship between multiple block information and theoretical The Cloud Terrace rotary speed information, wherein, described multiple block information medium multiple information value is less, and corresponding theoretical The Cloud Terrace rotary speed information numerical value is larger.
Particularly, in step 102, focal length multiple information is divided into 48 multiple block informations; In step 103, by The Cloud Terrace rotating speed interval division, be 48 theoretical The Cloud Terrace rotary speed informations; According to the needs of actual photographed image information, in focal length multiple information, during by little increase, field angle diminishes, and need to reduce the speed of cloud platform rotation, as can be seen here, between focal length multiple information and The Cloud Terrace rotating speed, must meet inverse relation.
According to above-mentioned relation, set up the one-to-one relationship between multiple block information and theoretical The Cloud Terrace rotary speed information, as shown in table 2, be the schematic diagram of relation between multiple block information and theoretical The Cloud Terrace rotary speed information:
Multiple block information (according to the ascending arrangement of multiple) Theoretical The Cloud Terrace rotary speed information
Interval 1(multiple is minimum) V max
Interval M V m
Interval N(multiple is maximum) V min
Table 2
As can be seen from Table 2, when the numerical value of times number interval hour, the numerical value of corresponding theoretical The Cloud Terrace rotary speed information is larger; When the numerical value of times number interval is larger, the numerical value of corresponding theoretical The Cloud Terrace rotary speed information is less, and wherein, N, M are positive integer.
More preferably, set up the numerical information of each machine recognition and the one-to-one relationship between theoretical The Cloud Terrace rotary speed information, more convenient like this cradle head control equipment is determined theoretical The Cloud Terrace rotary speed information according to the numerical information of machine recognition, and speed speeds operations.
Particularly, according to one-to-one relationship between the numerical information of each machine recognition and multiple block information, search the numerical information of the machine recognition that definite multiple block information is corresponding; According to the one-to-one relationship between the numerical information of each machine recognition and theoretical The Cloud Terrace rotary speed information, search the theoretical The Cloud Terrace rotary speed information corresponding to numerical information of definite machine recognition.
Step 104: transform strategy according to the theoretical The Cloud Terrace rotary speed information of setting, obtain actual The Cloud Terrace rotary speed information corresponding to described multiple information.
In step 104, because peripheral control unit can offer speed of The Cloud Terrace when controlling cloud platform rotation, this speed can be regarded as to the speed of cloud platform rotation, this speed are not fixing numerical value, can need to determine according to actual photographed, by peripheral control unit, be determined the size of this speed.
Particularly, obtain in the following manner actual The Cloud Terrace rotary speed information corresponding to described multiple information:
Wherein: V actualrefer to the actual The Cloud Terrace rotary speed information that described multiple information is corresponding, v speedrefer to the speed of cloud platform rotation, V theoreticalrefer to the theoretical The Cloud Terrace rotary speed information that described multiple information is corresponding, V maximumrefer to the maximum speed information that The Cloud Terrace is supported.
It should be noted that, the mode of determining the actual The Cloud Terrace rotary speed information that described multiple information is corresponding is not limited to the concrete mode that step 104 of the present invention provides, so long as utilize focal length multiple information and theoretical The Cloud Terrace rotary speed information corresponding to this focal length multiple information determine the actual The Cloud Terrace rotary speed information that described multiple information is corresponding mode can, do not specifically describe here.
Step 105: utilize the actual The Cloud Terrace rotary speed information obtaining to control the cloud platform rotation speed of current video camera, and control the required image information of collection under described multiple information.
By the scheme of embodiment mono-, receive the focal length multiple information of current video camera, determine the multiple block information that described multiple information is corresponding, and according to the corresponding relation between default multiple block information and theoretical The Cloud Terrace rotary speed information, obtain theoretical The Cloud Terrace rotary speed information corresponding to described multiple information, and transform strategy according to the theoretical The Cloud Terrace rotary speed information of setting, obtain actual The Cloud Terrace rotary speed information corresponding to described multiple information, according to focal length multiple information and the The Cloud Terrace rotary speed information adjusted, associate like this, when focal length of camera multiple information is larger, field angle is less, definite The Cloud Terrace rotating speed is slower, the image information collecting is like this more clearly, when focal length of camera multiple information hour, field angle is larger, definite The Cloud Terrace rotating speed is very fast, the image information collecting is like this more stable, image information quality is better, has saved the storage resources of video camera, meets user's needs.
Embodiment bis-:
As shown in Figure 2, be the structural representation of the opertaing device of a kind of The Cloud Terrace rotating speed of the embodiment of the present invention two, described equipment comprises: receiver module 11, determination module 12, computing module 13 and control module 14, wherein:
Receiver module 11, for receiving the focal length multiple information of current video camera;
Determination module 12, for determining multiple block information corresponding to described multiple information, and according to the corresponding relation between default multiple block information and theoretical The Cloud Terrace rotary speed information, obtains theoretical The Cloud Terrace rotary speed information corresponding to described multiple information;
Computing module 13, for transforming strategy according to the theoretical The Cloud Terrace rotary speed information of setting, obtains actual The Cloud Terrace rotary speed information corresponding to described multiple information;
Control module 14 for utilizing the actual The Cloud Terrace rotary speed information obtaining to control the cloud platform rotation speed of current video camera, and is controlled the required image information of collection under described multiple information.
More preferably, described determination module 12, specifically comprises:
The first relation is set up unit 21, and for the corresponding relation between preset multiple information and demarcation interval quantity, wherein, numerical information corresponding to multiple information is less, and demarcation interval quantity is more;
Multiple block information acquiring unit 22, for each grade of multiple information is cut apart according to demarcation interval quantity, obtain each multiple block information, and by the described multiple information receiving with described in the multiple block information that obtains compare, determine the multiple block information that described multiple information is corresponding.
Particularly, described equipment, also comprises:
Counting module 15, for after determining multiple block information corresponding to described multiple information, calculates focal length multiple information and divides the total quantity between multiple block of information;
Described determination module 12, specifically comprises:
The Cloud Terrace rotating speed division unit 23, for the The Cloud Terrace rotary speed information of video camera setting being divided according to described total quantity, obtains described a plurality of The Cloud Terrace rotary speed information, using the The Cloud Terrace rotary speed information obtaining as theoretical The Cloud Terrace rotary speed information;
The second relation is set up unit 24, and for setting up the one-to-one relationship between multiple block information and theoretical The Cloud Terrace rotary speed information, wherein, described multiple block information medium multiple information value is less, and corresponding theoretical The Cloud Terrace rotary speed information numerical value is larger.
Described computing module 13, specifically for obtaining in the following manner actual The Cloud Terrace rotary speed information corresponding to described multiple information:
Figure BDA00002208969000091
Wherein: V actualrefer to the actual The Cloud Terrace rotary speed information that described multiple information is corresponding, v speedrefer to the speed of cloud platform rotation, V theoreticalrefer to the theoretical The Cloud Terrace rotary speed information that described multiple information is corresponding, V maximumrefer to the maximum speed information that The Cloud Terrace is supported.
Embodiment tri-:
As shown in Figure 3, be the structural drawing of the control system of a kind of The Cloud Terrace rotating speed of the embodiment of the present invention three, described system comprises: Focussing equipment 31 and The Cloud Terrace apparatus for controlling speed 32, wherein:
Focussing equipment 31, for adjusting the focal length multiple information of video camera, and sends to The Cloud Terrace apparatus for controlling speed by the focal length multiple information of current video camera.
The Cloud Terrace apparatus for controlling speed 32, for receiving the focal length multiple information of current video camera, determine the multiple block information that described multiple information is corresponding, and according to the corresponding relation between default multiple block information and theoretical The Cloud Terrace rotary speed information, obtain theoretical The Cloud Terrace rotary speed information corresponding to described multiple information, and transform strategy according to the theoretical The Cloud Terrace rotary speed information of setting, obtain actual The Cloud Terrace rotary speed information corresponding to described multiple information, the actual The Cloud Terrace rotary speed information that utilization obtains is controlled the cloud platform rotation speed of current video camera, and control gathers required image information under described multiple information.
Particularly, described The Cloud Terrace apparatus for controlling speed 32, specifically for the corresponding relation between preset multiple information and demarcation interval quantity, wherein, numerical information corresponding to multiple information is less, and demarcation interval quantity is more, and each grade of multiple information is cut apart according to demarcation interval quantity, obtain each multiple block information, and by the described multiple information receiving with described in the multiple block information that obtains compare, determine the multiple block information that described multiple information is corresponding.
Described The Cloud Terrace apparatus for controlling speed 32, specifically for after determining multiple block information corresponding to described multiple information, before obtaining theoretical The Cloud Terrace rotary speed information corresponding to described multiple information, calculate multiple information and divide the total quantity between multiple block of information, and according to described total quantity, the The Cloud Terrace rotary speed information of video camera setting is divided, obtain described a plurality of The Cloud Terrace rotary speed information, using the The Cloud Terrace rotary speed information obtaining as theoretical The Cloud Terrace rotary speed information, set up the one-to-one relationship between multiple block information and theoretical The Cloud Terrace rotary speed information, wherein, described multiple block information medium multiple information value is less, corresponding theoretical The Cloud Terrace rotary speed information numerical value is larger.
Described The Cloud Terrace apparatus for controlling speed 32, specifically for obtaining in the following manner actual The Cloud Terrace rotary speed information corresponding to described multiple information:
Figure BDA00002208969000111
Wherein: V actualrefer to the actual The Cloud Terrace rotary speed information that described multiple information is corresponding, v speedrefer to the speed of cloud platform rotation, V theoreticalrefer to the theoretical The Cloud Terrace rotary speed information that described multiple information is corresponding, V maximumrefer to the maximum speed information that The Cloud Terrace is supported.
Obviously, those skilled in the art can carry out various changes and modification and not depart from the spirit and scope of the present invention the present invention.Like this, if within of the present invention these are revised and modification belongs to the scope of the claims in the present invention and equivalent technologies thereof, the present invention is also intended to comprise these changes and modification interior.

Claims (12)

1. a control method for The Cloud Terrace rotating speed, is characterized in that, described method comprises:
Receive the focal length multiple information of current video camera;
Determine the multiple block information that described multiple information is corresponding, and according to the corresponding relation between default multiple block information and theoretical The Cloud Terrace rotary speed information, obtain theoretical The Cloud Terrace rotary speed information corresponding to described multiple information;
According to the theoretical The Cloud Terrace rotary speed information of setting, transform strategy, obtain actual The Cloud Terrace rotary speed information corresponding to described multiple information;
The actual The Cloud Terrace rotary speed information that utilization obtains is controlled the cloud platform rotation speed of current video camera, and under described multiple information, controls the required image information of collection.
2. the method for claim 1, is characterized in that, determines the multiple block information that described multiple information is corresponding, specifically comprises:
Corresponding relation between preset multiple information and demarcation interval quantity, wherein, numerical information corresponding to multiple information is less, and demarcation interval quantity is more;
Each grade of multiple information is cut apart according to demarcation interval quantity, is obtained each multiple block information, and by the described multiple information receiving with described in the multiple block information that obtains compare, determine the multiple block information that described multiple information is corresponding.
3. method as claimed in claim 2, is characterized in that, after determining multiple block information corresponding to described multiple information, before obtaining theoretical The Cloud Terrace rotary speed information corresponding to described multiple information, described method also comprises:
Calculate focal length multiple information and divide the total quantity between multiple block of information;
Corresponding relation between described default multiple block information and theoretical The Cloud Terrace rotary speed information, specifically comprises:
According to described total quantity, the The Cloud Terrace rotary speed information of video camera setting is divided, obtained described a plurality of The Cloud Terrace rotary speed information, using the The Cloud Terrace rotary speed information obtaining as theoretical The Cloud Terrace rotary speed information;
Set up the one-to-one relationship between multiple block information and theoretical The Cloud Terrace rotary speed information, wherein, described multiple block information medium multiple information value is less, and corresponding theoretical The Cloud Terrace rotary speed information numerical value is larger.
4. method as claimed in claim 3, is characterized in that, according to the theoretical The Cloud Terrace rotary speed information of setting, transforms strategy, obtains actual The Cloud Terrace rotary speed information corresponding to described multiple information, specifically comprises:
Obtain in the following manner actual The Cloud Terrace rotary speed information corresponding to described multiple information:
Figure FDA00002208968900021
Wherein: V actualrefer to the actual The Cloud Terrace rotary speed information that described multiple information is corresponding, v speedrefer to the speed of cloud platform rotation, V theoreticalrefer to the theoretical The Cloud Terrace rotary speed information that described multiple information is corresponding, V maximumrefer to the maximum speed information that The Cloud Terrace is supported.
5. an opertaing device for The Cloud Terrace rotating speed, is characterized in that, described equipment comprises:
Receiver module, for receiving the focal length multiple information of current video camera;
Determination module, for determining multiple block information corresponding to described multiple information, and according to the corresponding relation between default multiple block information and theoretical The Cloud Terrace rotary speed information, obtains theoretical The Cloud Terrace rotary speed information corresponding to described multiple information;
Computing module, for transforming strategy according to the theoretical The Cloud Terrace rotary speed information of setting, obtains actual The Cloud Terrace rotary speed information corresponding to described multiple information;
Control module for utilizing the actual The Cloud Terrace rotary speed information obtaining to control the cloud platform rotation speed of current video camera, and is controlled the required image information of collection under described multiple information.
6. equipment as claimed in claim 5, is characterized in that, described determination module, specifically comprises:
The first relation is set up unit, and for the corresponding relation between preset multiple information and demarcation interval quantity, wherein, numerical information corresponding to multiple information is less, and demarcation interval quantity is more;
Multiple block information acquiring unit, for each grade of multiple information is cut apart according to demarcation interval quantity, obtain each multiple block information, and by the described multiple information receiving with described in the multiple block information that obtains compare, determine the multiple block information that described multiple information is corresponding.
7. equipment as claimed in claim 6, is characterized in that, described equipment, also comprises:
Counting module, for after determining multiple block information corresponding to described multiple information, calculates focal length multiple information and divides the total quantity between multiple block of information;
Described determination module, specifically comprises:
The Cloud Terrace rotating speed division unit, for the The Cloud Terrace rotary speed information of video camera setting being divided according to described total quantity, obtains described a plurality of The Cloud Terrace rotary speed information, using the The Cloud Terrace rotary speed information obtaining as theoretical The Cloud Terrace rotary speed information;
The second relation is set up unit, and for setting up the one-to-one relationship between multiple block information and theoretical The Cloud Terrace rotary speed information, wherein, described multiple block information medium multiple information value is less, and corresponding theoretical The Cloud Terrace rotary speed information numerical value is larger.
8. equipment as claimed in claim 7, is characterized in that,
Described computing module, specifically for obtaining in the following manner actual The Cloud Terrace rotary speed information corresponding to described multiple information:
Figure FDA00002208968900031
Wherein: V actualrefer to the actual The Cloud Terrace rotary speed information that described multiple information is corresponding, v speedrefer to the speed of cloud platform rotation, V theoreticalrefer to the theoretical The Cloud Terrace rotary speed information that described multiple information is corresponding, V maximumrefer to the maximum speed information that The Cloud Terrace is supported.
9. a control system for The Cloud Terrace rotating speed, is characterized in that, described system comprises:
Focussing equipment, for adjusting the focal length multiple information of video camera, and sends to The Cloud Terrace apparatus for controlling speed by the focal length multiple information of current video camera;
The Cloud Terrace apparatus for controlling speed, for receiving the focal length multiple information of current video camera, determine the multiple block information that described multiple information is corresponding, and according to the corresponding relation between default multiple block information and theoretical The Cloud Terrace rotary speed information, obtain theoretical The Cloud Terrace rotary speed information corresponding to described multiple information, and transform strategy according to the theoretical The Cloud Terrace rotary speed information of setting, obtain actual The Cloud Terrace rotary speed information corresponding to described multiple information, the actual The Cloud Terrace rotary speed information that utilization obtains is controlled the cloud platform rotation speed of current video camera, and control gathers required image information under described multiple information.
10. system as claimed in claim 9, is characterized in that,
Described The Cloud Terrace apparatus for controlling speed, specifically for the corresponding relation between preset multiple information and demarcation interval quantity, wherein, numerical information corresponding to multiple information is less, demarcation interval quantity is more, and each grade of multiple information is cut apart according to demarcation interval quantity, obtains each multiple block information, and by the described multiple information receiving with described in the multiple block information that obtains compare, determine the multiple block information that described multiple information is corresponding.
11. systems as claimed in claim 10, is characterized in that,
Described The Cloud Terrace apparatus for controlling speed, specifically for after determining multiple block information corresponding to described multiple information, before obtaining theoretical The Cloud Terrace rotary speed information corresponding to described multiple information, calculate multiple information and divide the total quantity between multiple block of information, and according to described total quantity, the The Cloud Terrace rotary speed information of video camera setting is divided, obtain described a plurality of The Cloud Terrace rotary speed information, using the The Cloud Terrace rotary speed information obtaining as theoretical The Cloud Terrace rotary speed information, set up the one-to-one relationship between multiple block information and theoretical The Cloud Terrace rotary speed information, wherein, described multiple block information medium multiple information value is less, corresponding theoretical The Cloud Terrace rotary speed information numerical value is larger.
12. systems as claimed in claim 11, is characterized in that,
Described The Cloud Terrace apparatus for controlling speed, specifically for obtaining in the following manner actual The Cloud Terrace rotary speed information corresponding to described multiple information:
Figure FDA00002208968900041
Wherein: V actualrefer to the actual The Cloud Terrace rotary speed information that described multiple information is corresponding, v speedrefer to the speed of cloud platform rotation, V theoreticalrefer to the theoretical The Cloud Terrace rotary speed information that described multiple information is corresponding, V maximumrefer to the maximum speed information that The Cloud Terrace is supported.
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