CN102045509A - Method and device for linking zoom illumination device with zoom camera - Google Patents
Method and device for linking zoom illumination device with zoom camera Download PDFInfo
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- CN102045509A CN102045509A CN2010106095100A CN201010609510A CN102045509A CN 102045509 A CN102045509 A CN 102045509A CN 2010106095100 A CN2010106095100 A CN 2010106095100A CN 201010609510 A CN201010609510 A CN 201010609510A CN 102045509 A CN102045509 A CN 102045509A
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Abstract
The invention belongs to the field of video monitoring, and provides a method and a device for linking a zoom illumination device with a zoom camera, the method comprises the following steps: searching out a variable power value signal; receiving the variable power value signal, and generating a new variable power value signal through a variable power relation formula; storing the new variable power value; and updating the original variable power value with the new variable power value. The method provided by the invention can implement close interaction between the zoom illumination device and the zoom camera, keep bright frames at any time, greatly improve night vision effect of a holder and simplify operations; and the method is further featured by being simple and practicable, and flexible, and can be widely used in other holder devices which need to be equipped with the zoom illumination devices. Additionally, the method provided by the invention ensures that the holder can achieve ideal night vision effect, and is featured by rational design, safety and reliability, and wide application.
Description
Technical field
The invention belongs to field of video monitoring, relate in particular to a kind of method and device that is used for varifocal lighting apparatus and focus video camera interlock.
Background technology
At present, along with the development of video monitoring technology and improving constantly of safety-security area requirement, the night vision monitoring is more and more paid attention to as an important component part of video monitoring.But now video camera uses CCD, CMOS as transducer mostly, and luminous sensitivity can not satisfy the monitoring requirement under starlight or the night scene, so need to use servicing lighting carry out light filling.
According to different focusing systems, servicing lighting can be divided into and focusing and two kinds of zooms.Focus lighting apparatus, irradiating angle is fixed, and range of exposures is limited, and the change that can not follow camera lens is doubly operated and carried out distance adjustment.The zoom lighting apparatus, irradiating angle is adjustable, nearly burnt place divergence of beam, irradiating angle is big, light intensity a little less than; Burnt place's convergence of rays far away, irradiating angle is little, and light intensity is bigger, can shine larger distance.The problem that the zoom lighting apparatus exists is, if and the change of video camera doubly cooperate bad, can influence irradiation distance because the divergence of beam angle is too big, or the divergence of beam angle is too little and " flashlight effect " occur, promptly a very bright hot spot occurs in the middle of screen and screen periphery still is a black.Both of these case all can cause light source to cover the problem of complete, angular deviation, bad adjusting, can influence the monitoring effect of whole video, all can cause on the screen some places dark excessively, and the bright excessively situation of some places, when serious even can't see monitoring image clearly, influence the operate as normal of The Cloud Terrace.
For fear of this problem occurring, will can well cooperate Zoom camera by the burnt lighting apparatus of changes persuing, be implemented in when video camera becomes times and can guarantee that enough irradiating angles can guarantee enough exposure intensities again.
Summary of the invention
The object of the present invention is to provide and a kind ofly control simple and the method that varifocal lighting apparatus and focus video camera link that is used for of clear bright monitored picture can be provided when making varifocal lighting apparatus with the variable-focus video camera interlock constantly.
A kind of method that is used for varifocal lighting apparatus and focus video camera interlock, described method comprises:
Become times multiple value signal by searching to obtain;
Receive change times multiple value signal, generate a new change times multiple value by becoming times relation formula;
A new change times multiple value is stored;
Original change times multiple value is updated to new change times multiple value.
The present invention also aims to provide a kind of device that is used for varifocal lighting apparatus and focus video camera interlock, described device comprises:
Become the haplotype data module, be used for becoming times multiple value signal and output by searching to obtain;
Control module is used to receive the change times multiple value signal that described change haplotype data module generates, and generates new change times multiple value by becoming times relation formula;
Cache module is used for the new change times multiple value that described control module generates is stored;
Become times multiple value update module, be used for the described original change of change haplotype data module times multiple value is updated to new change times multiple value.
Advantage of the present invention and good effect are:
The interlock method of varifocal lighting apparatus provided by the present invention and variable-focus video camera can be realized the tight interaction between varifocal lighting apparatus and the variable-focus video camera, can keep picture to become clear at any time, improve the night vision effect of The Cloud Terrace greatly, and simplify the operation, make the zoom of variable-focus video camera and varifocal lighting apparatus can one-key operation; Method provided by the present invention also has simple, and flexile characteristics can be widely used in other The Cloud Terrace equipment that need install varifocal lighting apparatus additional.In addition, method provided by the present invention has guaranteed that The Cloud Terrace can reach desirable night vision effect, has characteristics reasonable in design, safe and reliable, widely used.
Description of drawings
Fig. 1 is the realization flow figure of the method that is used for the interlock of varifocal lighting apparatus and focus video camera that provides of the embodiment of the invention;
Fig. 2 is the structural representation of the device that is used for the interlock of varifocal lighting apparatus and focus video camera that provides of the embodiment of the invention.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
Fig. 1 shows the flow chart of the method that is used for varifocal lighting apparatus and focus video camera interlock that the embodiment of the invention provides.
A kind of method that is used for varifocal lighting apparatus and focus video camera interlock is characterized in that method comprises:
In step Step1, become times multiple value signal by searching to obtain;
In step Step2, receive change times multiple value signal, generate a new change times multiple value by becoming times relation formula;
In step Step3, a new change times multiple value is stored;
In step Step4, original change times multiple value is updated to new change times multiple value.
As a preferred version of the embodiment of the invention, become times relation formula into:
Y＝kX+b
Wherein, Y is for becoming multiple value; X is for becoming multiple value; K, b are for needing to calculate the change times Relation Parameters of trying to achieve.
As a preferred version of the embodiment of the invention, the computing formula of k, b is:
k＝(Y1-Y2)/(X1-X2)，b＝Y1-kX1。
The specific implementation process that becomes times relation formula is as follows: the change times multiple (for example, the change multiple value of laser: Y1=976, the change multiple value of video camera: X1=6612) that at first find video camera when the laser hot spot just has been full of screen; Change times multiple (for example, the change multiple value of laser: Y1=177, the change multiple value of video camera: X1=16384) of the laser when finding video camera change multiple maximum and laser hot spot just to be full of screen again; Again this two class value is brought into formula one Y=kX+b respectively, can calculate the value of parameter k and b: k=-0.081764, b=1516.625, the change that can draw between laser and the video camera doubly concerns: Y=1516.625-0.081764X.
Fig. 2 shows the structural representation of the device that is used for varifocal lighting apparatus and focus video camera interlock that the embodiment of the invention provides.For convenience of explanation, only show the part that the present invention is correlated with.
A kind of device that is used for varifocal lighting apparatus and focus video camera interlock, device comprises:
Become haplotype data module 21, be used for becoming times multiple value signal and output by searching to obtain;
Control module 22 is used to receive the change times multiple value signal that becomes 21 generations of haplotype data module, generates a new change times multiple value by becoming times relation formula;
Cache module 23 is used for the new change times multiple value that control module 22 generates is stored;
Become times multiple value update module 24, be used for being updated to new change times multiple value becoming haplotype data module 21 original change times multiple value.
As a preferred version of the embodiment of the invention, device also comprises:
Become times relation formula module 25, be used for storage or call becoming times relation formula.
As a preferred version of the embodiment of the invention, become times relation formula into:
Y＝kX+b
Wherein, Y is for becoming multiple value; X is for becoming multiple value; K, b are for needing to calculate the change times Relation Parameters of trying to achieve.
As a preferred version of the embodiment of the invention, the computing formula of k, b is:
k＝(Y1-Y2)/(X1-X2)，b＝Y1-kX1。
Control module 22 receives the change times multiple value of current variable-focus video camera from the change haplotype data module 21 of variable-focus video camera, control module 22 generates the change times multiple value of new varifocal laser by the change times relation formula in the change times relation formula module 25 according to the change times multiple value that receives variable-focus video camera then, store the change times multiple value of new varifocal laser into cache module 23, the change times multiple value of the varifocal laser in the change haplotype data module 21 of varifocal laser is updated to the change times multiple value of varifocal laser new in the cache module 23.
The advantage and the good effect of the embodiment of the invention are:
1. the method for varifocal lighting apparatus that the embodiment of the invention provided and variable-focus video camera interlock can realize the tight interaction between varifocal lighting apparatus and the variable-focus video camera, can keep picture to become clear at any time, improve the night vision effect of The Cloud Terrace greatly, and simplify the operation, make the zoom of variable-focus video camera and varifocal lighting apparatus can one-key operation.
2. the method for varifocal lighting apparatus that the embodiment of the invention provided and variable-focus video camera interlock also has simple, and flexile characteristics can be widely used in other The Cloud Terrace equipment that need install varifocal lighting apparatus additional.
3. the method for varifocal lighting apparatus that the embodiment of the invention provided and variable-focus video camera interlock has guaranteed that The Cloud Terrace can reach desirable night vision effect, has characteristics reasonable in design, safe and reliable, widely used.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. method that is used for the interlock of varifocal lighting apparatus and focus video camera is characterized in that described method comprises:
Become times multiple value signal by searching to obtain;
Receive change times multiple value signal, generate a new change times multiple value by becoming times relation formula;
A new change times multiple value is stored;
Original change times multiple value is updated to new change times multiple value.
2. the method for claim 1 is characterized in that, described change times relation formula into:
Y＝kX+b
Wherein, Y is for becoming multiple value; X is for becoming multiple value; K, b are for needing to calculate the change times Relation Parameters of trying to achieve.
3. method as claimed in claim 2 is characterized in that, the computing formula of described k, b is:
k＝(Y1-Y2)/(X1-X2)，b＝Y1-kX1。
4. device that is used for the interlock of varifocal lighting apparatus and focus video camera is characterized in that described device comprises:
Become the haplotype data module, be used for becoming times multiple value signal and output by searching to obtain;
Control module is used to receive the change times multiple value signal that described change haplotype data module generates, and generates new change times multiple value by becoming times relation formula;
Cache module is used for the new change times multiple value that described control module generates is stored;
Become times multiple value update module, be used for the described original change of change haplotype data module times multiple value is updated to new change times multiple value.
5. method as claimed in claim 4 is characterized in that, described device also comprises:
Become times relation formula module, be used for storage or call becoming times relation formula.
6. method as claimed in claim 4 is characterized in that, described change times relation formula into:
Y＝kX+b
Wherein, Y is for becoming multiple value; X is for becoming multiple value; K, b are for needing to calculate the change times Relation Parameters of trying to achieve.
7. method as claimed in claim 6 is characterized in that, the computing formula of described k, b is:
k＝(Y1-Y2)/(X1-X2)，b＝Y1-kX1。
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| CN201010609510.0A CN102045509B (en) | 2010-12-28 | 2010-12-28 | Method and device for linking zoom illumination device with zoom camera |
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| CN201010609510.0A CN102045509B (en) | 2010-12-28 | 2010-12-28 | Method and device for linking zoom illumination device with zoom camera |
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Cited By (11)
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| CN102231798A (en) * | 2011-06-24 | 2011-11-02 | 天津市亚安科技电子有限公司 | Method for controlling PTZ (Pan/Tilt/Zoom) camera to zoom automatically and system thereof |
| CN102984455A (en) * | 2012-11-15 | 2013-03-20 | 天津市亚安科技股份有限公司 | Auxiliary light source control method |
| CN103499868A (en) * | 2013-10-10 | 2014-01-08 | 山东神戎电子股份有限公司 | Synchronous zooming correction method of laser night vision device |
| CN103957358A (en) * | 2014-05-14 | 2014-07-30 | 山东神戎电子股份有限公司 | Synchronous zooming calibration device and calibration method |
| CN104092939A (en) * | 2014-07-07 | 2014-10-08 | 山东神戎电子股份有限公司 | Laser night vision device synchronous zooming method based on piecewise differentiation technology |
| CN104284090A (en) * | 2014-09-28 | 2015-01-14 | 天津市亚安科技股份有限公司 | Method for linking zoom lighting device with camera with zoom lens |
| CN104539845A (en) * | 2014-12-23 | 2015-04-22 | 无锡怡生医疗设备有限公司 | Control system for center-installed camera of shadowless lamp |
| CN105116543A (en) * | 2015-08-17 | 2015-12-02 | 浪潮集团有限公司 | A laser night vision device synchronous zooming time-delay optimization method |
| CN105635536A (en) * | 2016-01-04 | 2016-06-01 | 浪潮集团有限公司 | Laser power linear adjustment method for laser night-vision device |
| CN105629432A (en) * | 2016-01-14 | 2016-06-01 | 浪潮集团有限公司 | Method and device for laser night vision device calibration |
| CN109525780A (en) * | 2018-12-24 | 2019-03-26 | 神思电子技术股份有限公司 | A kind of video interlink camera lens Zooming method |
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| CN102231798B (en) * | 2011-06-24 | 2015-09-23 | 天津市亚安科技股份有限公司 | A kind of method and system controlling the automatic zoom of monopod video camera |
| CN102231798A (en) * | 2011-06-24 | 2011-11-02 | 天津市亚安科技电子有限公司 | Method for controlling PTZ (Pan/Tilt/Zoom) camera to zoom automatically and system thereof |
| CN102984455A (en) * | 2012-11-15 | 2013-03-20 | 天津市亚安科技股份有限公司 | Auxiliary light source control method |
| CN103499868A (en) * | 2013-10-10 | 2014-01-08 | 山东神戎电子股份有限公司 | Synchronous zooming correction method of laser night vision device |
| CN103499868B (en) * | 2013-10-10 | 2016-05-18 | 山东神戎电子股份有限公司 | The bearing calibration of laser night-vision device synchronous zoom |
| CN103957358A (en) * | 2014-05-14 | 2014-07-30 | 山东神戎电子股份有限公司 | Synchronous zooming calibration device and calibration method |
| CN103957358B (en) * | 2014-05-14 | 2017-01-04 | 山东神戎电子股份有限公司 | A kind of synchronous zoom rectifier and bearing calibration |
| CN104092939A (en) * | 2014-07-07 | 2014-10-08 | 山东神戎电子股份有限公司 | Laser night vision device synchronous zooming method based on piecewise differentiation technology |
| CN104284090A (en) * | 2014-09-28 | 2015-01-14 | 天津市亚安科技股份有限公司 | Method for linking zoom lighting device with camera with zoom lens |
| CN104284090B (en) * | 2014-09-28 | 2017-10-27 | 天津市亚安科技有限公司 | The method that varifocal lighting apparatus links with Varifocal zoom lens video camera |
| CN104539845A (en) * | 2014-12-23 | 2015-04-22 | 无锡怡生医疗设备有限公司 | Control system for center-installed camera of shadowless lamp |
| CN105116543A (en) * | 2015-08-17 | 2015-12-02 | 浪潮集团有限公司 | A laser night vision device synchronous zooming time-delay optimization method |
| CN105635536A (en) * | 2016-01-04 | 2016-06-01 | 浪潮集团有限公司 | Laser power linear adjustment method for laser night-vision device |
| CN105635536B (en) * | 2016-01-04 | 2018-07-24 | 浪潮集团有限公司 | A kind of laser night-vision device laser power linear adjusting method |
| CN105629432A (en) * | 2016-01-14 | 2016-06-01 | 浪潮集团有限公司 | Method and device for laser night vision device calibration |
| CN105629432B (en) * | 2016-01-14 | 2017-12-15 | 浪潮集团有限公司 | A kind of method and device of laser night-vision device calibration |
| CN109525780A (en) * | 2018-12-24 | 2019-03-26 | 神思电子技术股份有限公司 | A kind of video interlink camera lens Zooming method |
| CN109525780B (en) * | 2018-12-24 | 2020-08-21 | 神思电子技术股份有限公司 | Video linkage camera lens zooming method |
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