CN104483983A - Multi-camera real-time linkage double-cloud-deck control method - Google Patents
Multi-camera real-time linkage double-cloud-deck control method Download PDFInfo
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Abstract
The invention discloses a multi-camera real-time linkage double-cloud-deck control method, which belongs to the technical field of security and protection. The method comprises a system initialization step, a regular detection and correction step, a remote control step and a ball gun calibration procedure. The multi-camera real-time linkage double-cloud-deck control method has the advantages that a special double-layer independent cloud deck control method is adopted, the multi-camera linkage is carried out through adopting a mode of automatically rotating a gun machine cloud deck and a ball machine cloud deck, the monitoring view field of wide-angled cameras can be remotely regulated, the fast deployment can be favorably realized, and the angle problem of a box camera does not need to be considered during the installation; the deviation due to the positions of the wide-angled cameras can be automatically discovered and corrected, and the monitoring view field of the wide-angle cameras can be remotely and dynamically regulated.
Description
Technical field
The invention belongs to technical field of security and protection, be specifically related to a kind of two The Cloud Terrace control methods of multi-cam real-time linkage.
Background technology
The all designs of existing ball machine are all single The Cloud Terrace designs.The general Design Mode of general security protection high-speed ball-forming machine is a high-speed holder, adds an integrated zoom movement; Some multiple camera tracking systems, employing mode is, configuration one and several hard-wired wide angle cameras above single The Cloud Terrace, then connecting method is adopted, be combined as 360 ° of panoramas or directly use single wide angle cameras, and then configure the ball machine of a high-speed rotation, after manual mouse selectes a region in gunlock monitored picture, then control high-speed ball-forming machine and turn to relevant position, namely adopt manual mode to carry out linkage of multi-cameras.
Summary of the invention
The object of the invention is to the two cloud platform control methods designing a kind of multi-cam real-time linkage, adopt the mode of automatic rotation gunlock The Cloud Terrace and ball machine head to carry out linkage of multi-cameras; When multi-camera system installation and deployment guarded region, in system operation, when video camera installation fixing position puts generation skew, user's energy auto modification deviation, automatically can regulate monitoring visual field neatly according to needing, and regulate video camera without the need to artificial pole-climbing.
The present invention takes following technical scheme:
Two cloud platform control methods for multi-cam real-time linkage, it comprises:
1). system initialization step:
A. gunlock cradle head control plate 7 starts the self-inspection of gunlock The Cloud Terrace program, and high-speed holder control panel 9 opens the self-inspection of ball machine head program, completes self-inspection separately, and gunlock horizontal stage electric machine, ball machine head motor complete reset separately;
B. main control module 5 accesses memory module 10, reads gunlock cradle head preset positions information in memory module 10;
C. when the success of reading gunlock cradle head preset positions information, then main control module 5 sends control command to gunlock cradle head control plate 7, and gunlock The Cloud Terrace is rotated to presetting bit, then reads the rifle ball nominal data corresponding to this presetting bit; When the success of reading rifle ball nominal data, then terminate; When reading rifle ball nominal data is unsuccessful, then enter rifle ball calibrating procedure, start rifle ball demarcating module 4 and complete the conversion of rifle ball nominal data;
D. when the failure of reading gunlock cradle head preset positions information, then main control module 5 points out " needing to arrange gunlock cradle head preset positions " message by mixed-media network modules mixed-media 2 to client 1; Client 1 sends order by mixed-media network modules mixed-media 2 to main control module 5, main control module 5 controls rifle The Cloud Terrace by gunlock cradle head control plate 7 and rotates, gunlock The Cloud Terrace rotates to corresponding preset position (X.Y), gunlock module 6 obtains corresponding monitoring image A, and is kept in memory module 10); Next, then enter rifle ball calibrating procedure, start rifle ball demarcating module 4 to complete the conversion of rifle ball nominal data;
2). periodic detection and correction step:
A. start periodic detection flow process, main control module 5 reads gunlock cradle head preset positions information (X, Y) in memory module 10 and image A;
B. gather the image A` of the current The Cloud Terrace position of gunlock module 6, read current The Cloud Terrace position data (x`, y`),
And (X, Y) and (x`, y`) is subtracted each other, the absolute value getting its difference is that step number is poor;
C. when described step number difference is not 0, then send control command to gunlock cradle head control plate 7, The Cloud Terrace is rotated to (X, Y), gather the image A`` of current gunlock The Cloud Terrace position, calling graph is as registration unit 3, and movement images A and A``, when the similarity of image A and A`` is greater than threshold value, then start rifle ball demarcating module 4, recalculate demarcation conversion parameter, upgrading presetting bit information is current gunlock The Cloud Terrace positional information (X, Y) and image A``; D. when described step number difference is 0, then calling graph is as registration unit 3 movement images A and A`, when the similarity of image A and A` is greater than threshold value, then upgrading presetting bit information is current gunlock cradle head preset positions information (X`, Y`) and image A`, notice gunlock The Cloud Terrace plate program setting current location is presetting bit, and gunlock The Cloud Terrace rotates to new presetting bit (X`, Y`), periodic detection and correction terminate;
3). Long-distance Control step:
A. client flow process: user sends cradle head control order by the gunlock cradle head control button in client 1 to main control module 5; By client 1 live preview gunlock module 6 monitored picture, see whether the visual field adjusts to the right place; User sends the finish command by client 1;
B. master control borad program: main control module 5 receives by mixed-media network modules mixed-media 2 the gunlock cradle head control order that client 1 sends, and to be stopped operating order by network reception client 1; Read the monitoring image of current gunlock The Cloud Terrace positional information and gunlock module 6, and upgrade presetting bit information (X, Y) and correspondence image A, enter rifle ball and demarcate flow process, start rifle ball demarcating module 4 coordinates computed transition matrix parameter;
C. The Cloud Terrace plate program: gunlock cradle head control plate 7 controls motor and rotates or stop motor rotating, and upgrading gunlock cradle head preset positions information is current gunlock The Cloud Terrace position.
Further technical scheme is:
Described rifle ball calibrating procedure is: the notable feature angle point obtaining gunlock current location and picture, high-speed holder control panel 9 controls ball machine integrated zoom movement 8 and rotates to the position corresponding to gunlock picture successively, and in ball machine, described notable feature angle point be amplified to maximum multiple and be placed in ball machine picture center, obtain the horizontal vertical deflection data of now ball machine head position motor, after acquisition more than three groups data, calculate the coordinate transformation parameter between input picture arbitrfary point and monopod video camera.
Further technical scheme is:
Described gunlock The Cloud Terrace program self-inspection comprises:
A. gunlock cradle head control plate 7 directly reads the presetting bit information be stored in gunlock cradle head control plate 7;
B. when the described presetting bit information success of reading, then gunlock The Cloud Terrace rotates to presetting bit;
C. when the failure of reading presetting bit information, then gunlock horizontal stage electric machine rotates to motor horizontal direction total step-length 1/2 position, vertical total step-length 1/2 position.
Further technical scheme is
Described gunlock module 6 is wide-angle gunlock module, and described gunlock module 6 quantity is one or more; Described motor is stepper motor.
The present invention compared with prior art, has following beneficial effect:
The present invention adopts the independent cloud platform control method of exclusive bilayer, linkage of multi-cameras is carried out by the mode of automatic rotation gunlock The Cloud Terrace and ball machine head, can the monitoring visual field of remote adjustment wide angle cameras, be beneficial to rapid deployment, during installation, gunlock angle problem can be considered; Automatically can find and the deviation that produces of the position of correcting wide angle cameras, regulate wide angle cameras monitoring visual field with Remote Dynamic; Prevent from, when skew occurs in wide angle cameras visual field, causing coordinate information corresponding relation between video camera not mate and the target following picture that causes is inaccurate, Product Experience degree being declined.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is system initialization process flow diagram in the present invention;
Fig. 3 is periodic detection and correction process flow diagram in the present invention;
Fig. 4 is medium-long range control flow chart of the present invention;
Have in Fig. 1: client 1; Mixed-media network modules mixed-media 2; Image registration unit 3; Rifle ball demarcating module 4; Main control module 5; Gunlock module 6; Gunlock cradle head control plate 7; Integration zoom movement 8; High-speed holder control panel 9; Memory module 10.
Embodiment
Below in conjunction with embodiments of the invention, the invention will be further elaborated.
Specific embodiment:
As shown in Figure 1, cradle head structure layout adopts upper and lower two-layer mode.Upper strata The Cloud Terrace is low speed gunlock The Cloud Terrace, and it comprises gunlock module 6, and gunlock module 6 is wide-angle gunlock module, gunlock cradle head control plate 7, and its controls the rotation (left and right upper and lower 45 ° or by a larger margin) of wide angle cameras; Lower floor's The Cloud Terrace is at a high speed 360 ° of continuous rotation ball machine heads, and it comprises integrated zoom movement 8, high-speed holder control panel 9, and it controls integrated zoom movement and furthers and zoom out, and left and right is rotated up and down; Angle and the monitoring visual field of two video cameras are all change with cloud platform rotation; It also comprises embedded main control board, and embedded main control board mainly contains: client 1, mixed-media network modules mixed-media 2, image registration unit 3, rifle ball demarcating module 4, main control module 5, memory module 10, embedded main control board is responsible for real-time linkage and is controlled wide angle cameras and monopod video camera cooperating.
Two cloud platform control methods for multi-cam real-time linkage, it comprises:
1). system initialization step, as shown in Figure 2:
A. gunlock cradle head control plate 7 starts the self-inspection of gunlock The Cloud Terrace program, high-speed holder control panel 9 opens the self-inspection of ball machine head program, complete self-inspection separately, gunlock The Cloud Terrace stepper motor, ball machine head stepper motor complete reset separately, allow gunlock The Cloud Terrace get back to initial 0 position of hardware (0 position is hardware light sensor position), eliminate step-out impact; Described gunlock The Cloud Terrace program self-inspection comprises: gunlock cradle head control plate 7 directly reads the presetting bit information be stored in gunlock cradle head control plate 7; When the described presetting bit information success of reading, then gunlock The Cloud Terrace rotates to presetting bit; When the failure of reading presetting bit information, then gunlock The Cloud Terrace stepper motor rotates to motor horizontal direction total step-length 1/2 position, vertical total step-length 1/2 position.
B. main control module 5 accesses memory module 10, reads gunlock cradle head preset positions information in memory module 10;
C. when the success of reading gunlock cradle head preset positions information, then main control module 5 sends control command to gunlock cradle head control plate 7, and gunlock The Cloud Terrace is rotated to presetting bit, then reads the rifle ball nominal data corresponding to this presetting bit; When the success of reading rifle ball nominal data, then terminate; When reading rifle ball nominal data is unsuccessful, then enter rifle ball calibrating procedure, start rifle ball demarcating module 4 and complete the conversion of rifle ball nominal data;
D. when the failure of reading gunlock cradle head preset positions information, then main control module 5 points out " needing to arrange gunlock cradle head preset positions " message by mixed-media network modules mixed-media 2 to client 1; Client 1 sends order by mixed-media network modules mixed-media 2 to main control module 5, main control module 5 controls rifle The Cloud Terrace by gunlock cradle head control plate 7 and rotates, gunlock The Cloud Terrace rotates to corresponding preset position (X.Y), and gunlock module 6 obtains corresponding monitoring image A, and is kept in memory module 10; Next, then enter rifle ball calibrating procedure, start rifle ball demarcating module 4 to complete the conversion of rifle ball nominal data;
Described rifle ball calibrating procedure is: the notable feature angle point obtaining gunlock current location and picture, high-speed holder control panel 9 controls ball machine integrated zoom movement 8 and rotates to the position corresponding to gunlock picture successively, and in ball machine, described notable feature angle point be amplified to maximum multiple and be placed in ball machine picture center, obtain the horizontal vertical deflection data of now ball machine head position motor, after acquisition more than three groups data, calculate the coordinate transformation parameter between input picture arbitrfary point and monopod video camera.
2). periodic detection and correction step, as shown in Figure 3:
A. start periodic detection flow process, main control module 5 reads gunlock cradle head preset positions information (X, Y) in memory module 10 and image A;
B. gather the image A` of the current The Cloud Terrace position of gunlock module 6, read current The Cloud Terrace position data (x`, y`), and (X, Y) and (x`, y`) subtracted each other, the absolute value getting its difference is that step number is poor;
C. when described step number difference is not 0, then send control command to gunlock cradle head control plate 7, The Cloud Terrace is rotated to (X, Y), gather the image A`` of current gunlock The Cloud Terrace position, calling graph is as registration unit 3, and movement images A and A``, when the similarity of image A and A`` is greater than threshold value, then start rifle ball demarcating module 4, recalculate demarcation conversion parameter, upgrading presetting bit information is current gunlock The Cloud Terrace positional information (X, Y) and image A``;
D. when described step number difference is 0, and stepper motor numerical value (x ', y ') equal (x, y), show that gunlock The Cloud Terrace does not move, do not need to revise The Cloud Terrace position; Calling graph is as registration unit 3, movement images A and A`, when the similarity of image A and A` is greater than threshold value, then upgrading presetting bit information is current gunlock cradle head preset positions information (X`, Y`) and image A`, notice gunlock The Cloud Terrace plate program setting current location is presetting bit, and gunlock The Cloud Terrace rotates to new presetting bit (X`, Y`), periodic detection and correction terminate;
3). Long-distance Control step, as shown in Figure 4:
A. client flow process: user sends cradle head control order by the gunlock cradle head control button in client 1 to main control module 5; By client 1 live preview gunlock module 6 monitored picture, see whether the visual field adjusts to the right place; User sends the finish command by client 1;
B. master control borad program: main control module 5 receives by mixed-media network modules mixed-media 2 the gunlock cradle head control order that client 1 sends, and to be stopped operating order by network reception client 1; Read the monitoring image of current gunlock The Cloud Terrace positional information and gunlock module 6, and upgrade presetting bit information (X, Y) and correspondence image A, enter rifle ball and demarcate flow process, start rifle ball demarcating module 4 coordinates computed transition matrix parameter;
C. The Cloud Terrace plate program: gunlock cradle head control plate 7 controls motor and rotates or stop motor rotating, and upgrading gunlock cradle head preset positions information is current gunlock The Cloud Terrace position.
Although with reference to explanatory embodiment of the present invention, invention has been described here, above-described embodiment is only the present invention's preferably embodiment, embodiments of the present invention are not restricted to the described embodiments, should be appreciated that, those skilled in the art can design a lot of other amendment and embodiment, these amendments and embodiment will drop within spirit disclosed in the present application and spirit.
Claims (5)
1. two cloud platform control methods for multi-cam real-time linkage, is characterized in that it comprises:
1). system initialization step:
A. gunlock cradle head control plate (7) starts the self-inspection of gunlock The Cloud Terrace program, and high-speed holder control panel (9) starts the self-inspection of ball machine head program, and complete self-inspection separately, gunlock horizontal stage electric machine, ball machine head motor complete reset separately;
B. main control module (5) access memory module (10), reads gunlock cradle head preset positions information in memory module (10);
C. when the success of reading gunlock cradle head preset positions information, then main control module (5) sends control command to gunlock cradle head control plate (7), gunlock The Cloud Terrace is rotated to presetting bit, then reads the rifle ball nominal data corresponding to this presetting bit; When the success of reading rifle ball nominal data, then terminate; When reading rifle ball nominal data is unsuccessful, then enter rifle ball calibrating procedure, start rifle ball demarcating module (4) and complete the conversion of rifle ball nominal data;
D. when the failure of reading gunlock cradle head preset positions information, then main control module (5) points out " needing to arrange gunlock cradle head preset positions " message by mixed-media network modules mixed-media (2) to client (1); Client (1) sends order by mixed-media network modules mixed-media (2) to main control module (5), main control module (5) controls rifle The Cloud Terrace by gunlock cradle head control plate (7) and rotates, gunlock The Cloud Terrace rotates to corresponding preset position (X.Y), gunlock module (6) obtains corresponding monitoring image A, and is kept in memory module (10)); Next, then enter rifle ball calibrating procedure, start rifle ball demarcating module (4) to complete the conversion of rifle ball nominal data;
2). periodic detection and correction step:
A. periodic detection flow process is started, gunlock cradle head preset positions information (X, Y) in main control module (5) reading memory module (10) and image A;
B. gather the image A` of gunlock module (6) current The Cloud Terrace position, read current The Cloud Terrace position data (x`, y`), and (X, Y) and (x`, y`) subtracted each other, the absolute value getting its difference is that step number is poor;
C. when described step number difference is not 0, then send control command to gunlock cradle head control plate (7), The Cloud Terrace is rotated to (X, Y), gather the image A`` of current gunlock The Cloud Terrace position, calling graph is as registration unit (3) movement images A and A``, when the similarity of image A and A`` is greater than threshold value, then start rifle ball demarcating module (4), recalculate demarcation conversion parameter, upgrading presetting bit information is current gunlock The Cloud Terrace positional information (X, Y) and image A``;
D. when described step number difference is 0, then calling graph is as registration unit (3) movement images A and A`, when the similarity of image A and A` is greater than threshold value, then upgrading presetting bit information is current gunlock cradle head preset positions information (X`, Y`) and image A`, notice gunlock The Cloud Terrace plate program setting current location is presetting bit, and gunlock The Cloud Terrace rotates to new presetting bit (X`, Y`), periodic detection and correction terminate;
3). Long-distance Control step:
A. client flow process: user sends cradle head control order by the gunlock cradle head control button in client (1) to main control module (5); By client (1) live preview gunlock module (6) monitored picture, see whether the visual field adjusts to the right place; User sends the finish command by client (1);
B. master control borad program: main control module (5) receives client (1) the gunlock cradle head control order that sends by mixed-media network modules mixed-media (2), to be stopped operating order by network reception client (1); Read the monitoring image of current gunlock The Cloud Terrace positional information and gunlock module (6), and upgrade presetting bit information (X, and correspondence image A Y), enter rifle ball and demarcate flow process, start rifle ball demarcating module (4) coordinates computed transition matrix parameter;
C. The Cloud Terrace plate program: gunlock cradle head control plate (7) controls motor and rotates or stop motor rotating, and upgrading gunlock cradle head preset positions information is current gunlock The Cloud Terrace position.
2. according to two cloud platform control methods of the multi-cam real-time linkage described in claim 1, it is characterized in that, described rifle ball calibrating procedure is: the notable feature angle point obtaining gunlock current location and picture, high-speed holder control panel (9) controls ball machine integrated zoom movement (8) and rotates to the position corresponding to gunlock picture successively, and in ball machine, described notable feature angle point be amplified to maximum multiple and be placed in ball machine picture center, obtain the horizontal vertical deflection data of now ball machine head position motor, after acquisition more than three groups data, calculate the coordinate transformation parameter between input picture arbitrfary point and monopod video camera.
3. two cloud platform control methods of multi-cam real-time linkage according to claim 1, is characterized in that described gunlock The Cloud Terrace program self-inspection comprises:
A. gunlock cradle head control plate (7) directly reads the presetting bit information be stored in gunlock cradle head control plate (7);
B. when the described presetting bit information success of reading, then gunlock The Cloud Terrace rotates to presetting bit;
C. when the failure of reading presetting bit information, then gunlock horizontal stage electric machine rotates to motor horizontal direction total step-length 1/2 position, vertical total step-length 1/2 position.
4. two cloud platform control methods of multi-cam real-time linkage according to claim 1, it is characterized in that described gunlock module (6) is for wide-angle gunlock module, described gunlock module (6) quantity is one or more.
5. two cloud platform control methods of multi-cam real-time linkage according to claim 1, is characterized in that described motor is stepper motor.
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