CN115278315B - Visual safety management intelligent operation and maintenance platform - Google Patents
Visual safety management intelligent operation and maintenance platform Download PDFInfo
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- CN115278315B CN115278315B CN202211178028.5A CN202211178028A CN115278315B CN 115278315 B CN115278315 B CN 115278315B CN 202211178028 A CN202211178028 A CN 202211178028A CN 115278315 B CN115278315 B CN 115278315B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/24—Monitoring of processes or resources, e.g. monitoring of server load, available bandwidth, upstream requests
- H04N21/2408—Monitoring of the upstream path of the transmission network, e.g. client requests
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- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
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- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/231—Content storage operation, e.g. caching movies for short term storage, replicating data over plural servers, prioritizing data for deletion
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- H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
- H04N21/647—Control signaling between network components and server or clients; Network processes for video distribution between server and clients, e.g. controlling the quality of the video stream, by dropping packets, protecting content from unauthorised alteration within the network, monitoring of network load, bridging between two different networks, e.g. between IP and wireless
- H04N21/64723—Monitoring of network processes or resources, e.g. monitoring of network load
- H04N21/64738—Monitoring network characteristics, e.g. bandwidth, congestion level
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Abstract
The invention discloses a visual safety management intelligent operation and maintenance platform, which relates to the technical field of safety management and comprises a server temporary storage module, a bandwidth confirmation module and a transmission mode decision module, wherein the server temporary storage module is used for temporarily storing camera monitoring information, the bandwidth confirmation module is used for confirming an increment bandwidth occupied by a camera when a visual object enters a visual field to perform a signal transmission process in a triggering and monitoring working process, the transmission mode decision module is used for making a decision on a signal transmission actual triggering step according to a result of the increment bandwidth caused by the visual object entering the visual field, the server temporary storage module is electrically connected with the transmission mode decision module, and the bandwidth confirmation module is electrically connected with the transmission mode decision module; the server temporary storage module comprises a bandwidth detection module and a moving path temporary storage module, and the bandwidth detection module is used for detecting the bandwidth surplus of the current server matched with the camera.
Description
Technical Field
The invention relates to the technical field of safety management, in particular to a visual safety management intelligent operation and maintenance platform.
Background
The safety management operation and maintenance platform has the characteristics that in the operation and maintenance process of enterprises, personnel and objects in a monitored area are subjected to unified authentication, unified authorization, unified audit and unified monitoring, the blind area of the traditional operation and maintenance is effectively eliminated, and the simplicity, the controllability and the process visualization of the operation and maintenance are realized.
After the object in the monitoring area is shot, the image signal needs to be digitized for transmission, and since a large monitoring area can be covered, a large number of objects can be monitored in the same time, and the bandwidth becomes very important during signal transmission. In the prior art, the image signal represented by each object occupies the same transmission bandwidth, and then multi-channel parallel transmission is performed, so that the image signal which cannot be transmitted can be temporarily buffered, and the image signal passes through after the transmission of other signals is finished.
Because the edges of different objects are different in size and shape, the image signals occupy different bandwidths, the bandwidth of the interface is uniform, a part of bandwidth is inevitably wasted, and the transmission efficiency is delayed due to congestion when the image signals are excessive. Therefore, a visual safety management intelligent operation and maintenance platform with strong design practicability is necessary.
Disclosure of Invention
The invention aims to provide a visual security management intelligent operation and maintenance platform to solve the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme: a visual safety management intelligent operation and maintenance platform comprises a server temporary storage module, a bandwidth confirmation module and a transmission mode decision module, wherein the server temporary storage module is used for temporarily storing camera monitoring information, the bandwidth confirmation module is used for confirming an increment bandwidth occupied by a camera when a visual object enters a visual field to perform a signal transmission process in a trigger monitoring working process, the transmission mode decision module is used for making a decision on a signal transmission actual triggering step according to a result of the increment bandwidth caused by the fact that the visual object enters the visual field, the server temporary storage module is electrically connected with the transmission mode decision module, and the bandwidth confirmation module is electrically connected with the transmission mode decision module;
the server temporary storage module comprises a bandwidth detection module and a mobile path temporary storage module, the bandwidth detection module is used for detecting the bandwidth surplus of the current server matched with the camera, and the mobile path temporary storage module is used for temporarily storing the mobile path of the uploaded camera triggering monitoring visual object.
According to the technical scheme, the bandwidth confirmation module comprises a frame-by-frame scanning module, a shape edge drawing module, an image far and near sensing module and a bandwidth quantification module, the frame-by-frame scanning module is electrically connected with the shape edge drawing module, the frame-by-frame scanning module is used for detecting the image color value of a monitoring area and converting the image color value into a digital signal to carry out frame-by-frame scanning when a camera monitors the image, the shape edge drawing module is used for carrying out shape edge drawing on a visual object according to a frame-by-frame scanning picture, the shape edge drawing module and the image far and near sensing module are both electrically connected with the bandwidth quantification module, the image far and near sensing module is used for carrying out image far and near sensing on the visual object in real time when the captured visual object scans the picture frame-by frame, and the bandwidth quantification module is used for confirming that the result is smoothly transmitted to the server bandwidth occupied by the visual object entering the visual field at present.
According to the technical scheme, the transmission mode decision module comprises a decision module, a downtime recovery module and a parallel transmission trigger module, the decision module is electrically connected with the server temporary storage module and the bandwidth quantification module, the decision module is used for comparing the bandwidth required by the current visual objects entering the visual field with the server bandwidth provided in real time in the actual monitoring process to determine whether the operation is supported, the downtime recovery module and the parallel transmission trigger module are electrically connected with the decision module, the downtime recovery module is used for transmitting downtime recovery signals to the camera control end when the standby bandwidth is not enough to transmit the visual objects, and the parallel transmission trigger module is used for triggering transmission measures when the decision bandwidth supports the operation of transmitting the current visual objects.
According to the technical scheme, the operation method of the operation and maintenance platform comprises the following steps:
s1: the camera prepares to trigger monitoring work, plans a monitoring area according to the work and uploads the monitoring area;
s2: the server temporary storage module receives and temporarily stores the monitoring area information;
s3: the bandwidth detection module detects and temporarily stores the bandwidth surplus of the current server matched with the camera;
s4: estimating occupied bandwidth according to the area of the monitoring area, comparing the bandwidth residual amount of the current server matched with the camera, and starting triggering monitoring when the bandwidth residual amount of the current server matched with the camera is larger than the estimated occupied bandwidth of the monitoring work;
s5: when the camera finds that the visible object enters the visual field in the monitoring process, the bandwidth confirmation module confirms the increment bandwidth occupied in the transmission process of the transmission signal;
s6: and the transmission mode decision module determines whether the bandwidth of the server can support and trigger the parallel transmission operation, and makes a corresponding prompt according to a decision result to provide corresponding measures for operation and maintenance personnel of the camera.
According to the above technical solution, the step S5 is specifically the following step:
s5-1: in the monitoring working process of the camera, when a visible object is close to the camera, the frame-by-frame scanning module detects the image color value of the monitoring area, converts the image color value into a digital signal and then carries out frame-by-frame scanning;
s5-2: in the process of scanning the visible object by the frame-by-frame scanning module to form an image, the image distance sensing module senses the distance of the visible object to the camera in real time and monitors the distance from the visible object to the camera;
s5-3: the shape edge description module receives frame-by-frame scanning picture information and an image distance perception value and captures a complete frame-by-frame scanning picture of a visible object;
s5-4: after the moving frame-by-frame scanning picture is obtained, the shape edge description module describes the shape edge of the frame-by-frame scanning picture and confirms the shape outline edge of the decision-making visual object;
s5-5: according to the shape contour edge of the visible object, the bandwidth quantification module budgets to smoothly transmit the bandwidth required by the current visible object, so that camera operation and maintenance personnel can inquire the matched bandwidth.
According to the technical scheme, the step S5-4 is specifically as follows:
s5-4-1: locking the moving frame-by-frame scanning picture, establishing a plane coordinate signal channel block, wherein the distance between the visible object and the camera is the reference distance
A standard unit side length of time of
；
S5-4-2: pair for receiving and locking frame-by-frame scanning pictureDistance value of image
Quantifying the actual side length of the signal channel block at the current distance
；
S5-4-3: the shape edge delineation module marks the coordinates of the transverse extreme points in the frame-by-frame scanned shape edges of the lock-in frame, respectively
And connecting the mark points to draw a drawing line in the moving state of the visible object;
s5-4-5: and (4) obtaining the moving state width of the current visual object by quantifying the distance value of the transverse extreme point, and depicting the shape contour edge of the current visual object.
According to the above technical scheme, in the step S5-4-2, the distance is
Real edge length of time signal channel block
The quantization formula of (a) is:
the quantization formula of the moving state width of the visible object in step S545 is as follows:
in the formula (I), the compound is shown in the specification,
，
，
are coordinate values of the mark points corresponding to the current coordinate signal channel block,
the width value of the moving state of the visible object entering the visual field camera at present; the actual distance value between the mark points can be obtained by multiplying the distance of the quantized mark points under the coordinate signal channel block by the actual edge length value of the signal channel block.
According to the technical scheme, the step S5-5 is specifically as follows:
s5-5-1: obtaining the width value of the moving state of the current visual object decomposed and quantized by the shape edge description module
；
S5-5-2: by the formula:
quantizing to obtain the bandwidth size required for transmitting the current visible object, wherein
The server bandwidth percentage value occupied by the object currently shot by the camera,
converting the visible object shape contour edge into a transmission bandwidth coefficient value which is a constant value;
s5-5-3: the required bandwidth size of the current visible object is output and transmitted, when the current visible object is transmitted with the image signals of other objects, the current visible object can be transmitted in parallel as long as the percentage value of the occupied bandwidth does not exceed the set value of the parallel transmission, and the current visible object cannot be transmitted in parallel when the percentage value of the occupied bandwidth exceeds the set value of the parallel transmission.
Compared with the prior art, the invention has the following beneficial effects: according to the invention, the server temporary storage module, the bandwidth confirmation module and the transmission mode decision module are arranged, so that when a visual object enters the visual field in the process of triggering and monitoring the camera, the bandwidth increment required by the current visual object can be confirmed to be transmitted smoothly, and whether the server can be used for transmitting image signals in parallel or not is determined, the burden of signal transmission is effectively reduced, and the utilization efficiency of transmission bandwidth is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic view of the overall module structure of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: a visual safety management intelligent operation and maintenance platform comprises a server temporary storage module, a bandwidth confirmation module and a transmission mode decision module, wherein the server temporary storage module is used for temporarily storing camera monitoring information, the bandwidth confirmation module is used for confirming an increment bandwidth occupied when a visual object enters a visual field to perform a signal transmission process in a camera triggering and monitoring working process, the transmission mode decision module is used for making a decision on a signal transmission actual triggering step according to a result of the increment bandwidth caused by the fact that the visual object enters the visual field, the server temporary storage module is electrically connected with the transmission mode decision module, and the bandwidth confirmation module is electrically connected with the transmission mode decision module;
the server temporary storage module comprises a bandwidth detection module and a moving path temporary storage module, the bandwidth detection module is used for detecting the bandwidth surplus of the current server matched with the camera, and the moving path temporary storage module is used for temporarily storing the moving path of the uploaded camera triggering monitoring visual object;
by arranging the server temporary storage module, the bandwidth confirmation module and the transmission mode decision module, when a visual object enters the visual field in the process of triggering and monitoring the camera, the bandwidth increment required by the current visual object is confirmed to be transmitted smoothly as a result, so that a camera operator can predict and inquire in advance, and the camera operation and maintenance personnel are assisted to ensure the timeliness of the monitoring work as much as possible and make correct countermeasures;
the bandwidth confirmation module comprises a frame-by-frame scanning module, a shape edge description module, an image far and near perception module and a bandwidth quantification module, wherein the frame-by-frame scanning module is electrically connected with the shape edge description module, the frame-by-frame scanning module is used for detecting the color value of an image in a monitoring area and converting the color value into a digital signal to perform frame-by-frame scanning when a camera monitors the image, the shape edge description module is used for performing shape edge description on a visual object according to a frame-by-frame scanning picture, the shape edge description module and the image far and near perception module are both electrically connected with the bandwidth quantification module, the image far and near perception module is used for performing image far and near perception on the visual object in real time when the captured visual object scans the picture frame-by frame, and the bandwidth quantification module is used for confirming that the result is successfully transmitted to a server bandwidth required to be occupied by the visual object entering the visual field;
the transmission mode decision module comprises a decision module, a downtime recovery module and a parallel transmission triggering module, the decision module is electrically connected with the server temporary storage module, the decision module is electrically connected with the bandwidth quantification module, the decision module is used for comparing the bandwidth required by the current visual object entering the visual field with the server bandwidth provided in real time in the actual monitoring process to determine whether the current visual object is supported to operate, the downtime recovery module and the parallel transmission triggering module are electrically connected with the decision module, the downtime recovery module is used for transmitting a downtime recovery signal to the camera control end when the standby bandwidth is insufficient to transmit the visual object, and the parallel transmission triggering module is used for triggering transmission measures when the decision bandwidth supports the operation of transmitting the current visual object;
the operation method of the operation and maintenance platform comprises the following steps:
s1: the camera prepares to trigger monitoring work, plans a monitoring area according to the work and uploads the monitoring area;
s2: the server temporary storage module receives and temporarily stores the monitoring area information;
s3: the bandwidth detection module detects and temporarily stores the bandwidth surplus of the current server matched with the camera;
s4: estimating occupied bandwidth according to the area of the monitoring area, comparing the residual bandwidth of the current server matched with the camera, and starting triggering monitoring when the residual bandwidth of the current server matched with the camera is larger than the estimated occupied bandwidth of the monitoring work;
s5: when the camera finds that the visible object enters the visual field in the monitoring process, the bandwidth confirmation module confirms the increment bandwidth occupied in the transmission process of the transmission signal;
s6: the transmission mode decision module determines whether the bandwidth of the server can support and trigger the parallel transmission operation, and makes a corresponding prompt according to a decision result for operation and maintenance personnel of the camera to make a corresponding countermeasure;
the step S5 is specifically the following steps:
s5-1: in the monitoring working process of the camera, when a visible object is close to the camera, the frame-by-frame scanning module detects the image color value of the monitoring area, converts the image color value into a digital signal and then carries out frame-by-frame scanning;
s5-2: in the process of scanning the visible object by the frame-by-frame scanning module to form an image, the image distance sensing module senses the distance of the visible object to the camera in real time and monitors the distance from the visible object to the camera;
s5-3: the shape edge description module receives frame-by-frame scanning picture information and an image distance perception value and captures a complete frame-by-frame scanning picture of a visible object;
s5-4: after the moving frame-by-frame scanning picture is obtained, the shape edge description module describes the shape edge of the frame-by-frame scanning picture and confirms the shape outline edge of the decision-making visual object;
s5-5: according to the shape contour edge of the visible object, the bandwidth quantification module budgets to smoothly transmit the bandwidth required by the current visible object, so that camera operation and maintenance personnel can inquire the matched bandwidth;
the step S5-4 is specifically the following step:
s5-4-1: locking the moving frame-by-frame scanning picture, establishing a plane coordinate signal channel block, wherein the signal channel block takes the distance between a visible object and the camera as a reference distance
A standard unit side length of time of
；
S5-4-2: receiving the corresponding image distance value when locking the frame-by-frame scanning picture
Quantifying the actual side length of the signal channel block at the current distance
；
S5-4-3: the shape edge rendering module marks the coordinates of the transverse extreme points in the lock frame by frame scan shape edges, respectively
And connecting the mark points to draw a drawing line in the moving state of the visual object;
s5-4-5: obtaining the moving state width of the current visible object by quantifying the distance value of the transverse extreme point, and depicting the shape contour edge of the current visible object;
in the above step S5-4-2, the distance is
Real edge length of time signal channel block
The quantization formula of (a) is:
in step S545, the quantization formula of the moving state width of the visual object is:
in the formula (I), the compound is shown in the specification,
，
，
are coordinate values of the mark points corresponding to the current coordinate signal channel block,
the width value of the moving state of the visible object entering the visual field camera at present; the actual distance value between the mark points can be obtained by multiplying the distance of the quantized mark points under the coordinate signal channel block by the actual edge length value of the signal channel block;
the step S5-5 is specifically the following step:
s5-5-1: obtaining the current visual object movement state width value decomposed and quantized by the shape edge description module
；
S5-5-2: by the formula:
quantizing to obtain the bandwidth size required for transmitting the current visible object, wherein
The percentage of server bandwidth occupied by the object currently being photographed by the camera,
converting the visible object shape contour edge into a transmission bandwidth coefficient value which is a constant value;
s5-5-3: the required bandwidth size of the current visible object is output and transmitted, when the current visible object is transmitted with the image signals of other objects, the current visible object can be transmitted in parallel as long as the percentage value of the occupied bandwidth does not exceed the set value of the parallel transmission, and the current visible object cannot be transmitted in parallel when the percentage value of the occupied bandwidth exceeds the set value of the parallel transmission.
Example 1: the system also comprises a downtime recovery module, the downtime recovery module and the parallel transmission triggering module are electrically connected with the decision module, the downtime recovery module is used for transmitting a downtime recovery signal to the camera control end when the standby bandwidth is not enough to transmit visual objects,
step S6 is specifically the following steps:
step S6-1: the decision module acquires camera monitoring information temporarily stored by the server temporary storage module;
step S6-2: calculating the percentage value of the standby bandwidth of the camera after triggering the monitoring work according to the monitoring information of the camera
And confirming it with bandwidth confirming module
Comparing values;
step S6-3: when in use
When the decision module detects that the camera can transmit the current visible object, the decision module outputs a digital signal to the parallel transmission triggering module, and the parallel transmission triggering module controls a server corresponding to the camera to transmit the signal;
step S6-4;
when the decision module detects that the spare bandwidth of the camera is not enough to be transmitted smoothlyVisible objects in the front visible area output digital signals to the downtime recovery module, and the downtime recovery module transmits the digital signals to a camera operation end operation page through network signals to prompt operation and maintenance personnel to perform camera downtime operation;
the method is used for ensuring the safety of the camera and simultaneously maintaining the bandwidth of the server to be enough to trigger the original monitoring plan, thereby realizing the function of pre-estimating and inquiring the bandwidth of the operation and maintenance personnel of the camera in advance and effectively avoiding the possibility of losing the current real-time monitoring information due to insufficient bandwidth of the camera.
Example 2: after receiving a monitoring work, the operation and maintenance personnel plan a monitoring area and then upload the monitoring area to the server temporary storage module for temporary storage, the camera detects the monitoring area, the visual object enters the visual field during monitoring, the current visual object is captured, the distance between the visual object and the camera under the current image is measured after the current visual object moves and scans the image frame by frame
The distance between the visible object and the camera is the reference distance
A standard unit side length of time of
The current signal channel block has a reference unit side length of
If the shape edge rendering module marks the coordinates of the horizontal extreme points in the frame-by-frame scan shape edge of the lock screen, which are (0,0.3) (0.4,0), respectively, the width of the current visible object in the moving state is wide
Visual object shape profile edge conversion to transmission bandwidth coefficient value
Then the ratio of the occupied bandwidth is
According to the monitoring information of the camera, the percentage value of the bandwidth which can be transmitted in parallel by the camera after the monitoring work is triggered is calculated to be
Due to the fact
The decision-making module detects that the camera can carry out parallel transmission on the image signal of the current visible object;
setting percentage value of standby bandwidth of camera
And 50, if the sum of the incremental bandwidths occupied by all the objects exceeds the standby bandwidth 50 in the same time, triggering the downtime of the camera.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. The utility model provides a visual safety control wisdom fortune dimension platform which characterized in that: the system comprises a server temporary storage module, a bandwidth confirmation module and a transmission mode decision module, wherein the server temporary storage module is used for temporarily storing camera monitoring information, the bandwidth confirmation module is used for confirming an increment bandwidth occupied by a camera when a visual object enters a visual field to perform a signal transmission process in a trigger monitoring working process, the transmission mode decision module is used for making a decision on a signal transmission actual trigger step according to a result of the increment bandwidth caused by the visual object entering the visual field, the server temporary storage module is electrically connected with the transmission mode decision module, and the bandwidth confirmation module is electrically connected with the transmission mode decision module;
the server temporary storage module comprises a bandwidth detection module and a moving path temporary storage module, the bandwidth detection module is used for detecting the bandwidth surplus of the current server matched with the camera, and the moving path temporary storage module is used for temporarily storing the moving path of the uploaded camera triggering monitoring visual object;
the bandwidth confirmation module comprises a frame-by-frame scanning module, a shape edge description module, an image far and near perception module and a bandwidth quantification module, wherein the frame-by-frame scanning module is electrically connected with the shape edge description module, the frame-by-frame scanning module is used for detecting the image color value of a monitoring area and converting the image color value into a digital signal to perform frame-by-frame scanning when a camera monitors the image, the shape edge description module is used for performing shape edge description on a visual object according to a frame-by-frame scanning picture, the shape edge description module and the image far and near perception module are both electrically connected with the bandwidth quantification module, the image far and near perception module is used for performing image far and near perception on the visual object in real time when the captured visual object scans the picture frame-by frame, and the bandwidth quantification module is used for confirming that the result smoothly transmits the server bandwidth occupied by the visual object entering the visual field;
the transmission mode decision module comprises a decision module and a parallel transmission triggering module, the decision module is electrically connected with the server temporary storage module, the decision module is electrically connected with the bandwidth quantification module, the decision module is used for comparing the bandwidth required by the current visual object entering the visual field with the server bandwidth provided in real time in the actual monitoring process to determine whether the operation is supported, and the parallel transmission triggering module is used for triggering transmission measures when the decision bandwidth supports the operation and the transmission of the current visual object;
the operation method of the operation and maintenance platform comprises the following steps:
s1: the camera prepares to trigger monitoring work, plans a monitoring area according to the work and uploads the monitoring area;
s2: the server temporary storage module receives and temporarily stores the monitoring area information;
s3: the bandwidth detection module detects and temporarily stores the bandwidth surplus of the current server matched with the camera;
s4: estimating occupied bandwidth according to the area of the monitoring area, comparing the residual bandwidth of the current server matched with the camera, and starting triggering monitoring when the residual bandwidth of the current server matched with the camera is larger than the estimated occupied bandwidth of the monitoring work;
s5: when the camera finds that the visible object enters the visual field in the monitoring process, the bandwidth confirmation module confirms the increment bandwidth occupied in the transmission process of the transmission signal;
s6: the transmission mode decision module determines whether the bandwidth of the server can support and trigger the parallel transmission operation, and makes a corresponding prompt according to a decision result for operation and maintenance personnel of the camera to make a corresponding countermeasure;
the step S5 is specifically the following steps:
s5-1: in the monitoring working process of the camera, when a visible object is close to the camera, the frame-by-frame scanning module detects the image color value of the monitoring area, converts the image color value into a digital signal and then carries out frame-by-frame scanning;
s5-2: in the process of scanning the visible object by the frame-by-frame scanning module to form an image, the image distance sensing module senses the distance of the visible object to the camera in real time and monitors the distance from the visible object to the camera;
s5-3: the shape edge description module receives frame-by-frame scanning picture information and an image distance perception value and captures a complete frame-by-frame scanning picture of a visible object;
s5-4: after the moving frame-by-frame scanning picture is obtained, the shape edge description module describes the shape edge of the frame-by-frame scanning picture and confirms the shape outline edge of the decision-making visual object;
s5-5: according to the shape contour edge of the visible object, the bandwidth quantification module budgets to smoothly transmit the bandwidth required by the current visible object, so that camera operation and maintenance personnel can inquire the matched bandwidth.
2. The intelligent visual security management operation and maintenance platform according to claim 1, wherein: the step S5-4 is specifically the following step:
s5-4-1: locking the moving frame-by-frame scanning picture, establishing a plane coordinate signal channel block, wherein the distance between the visible object and the camera is the reference distance
A standard unit side length of time of
；
S5-4-2: receiving the corresponding image distance value when locking the frame-by-frame scanning picture
Quantifying the actual side length of the signal channel block at the current distance
；
S5-4-3: the shape edge rendering module marks the coordinates of the transverse extreme points in the lock frame by frame scan shape edges, respectively
And connecting the mark points to draw a drawing line in the moving state of the visual object;
s5-4-5: and (4) obtaining the moving state width of the current visual object by quantifying the distance value of the transverse extreme point, and depicting the shape contour edge of the current visual object.
3. The intelligent visual security management operation and maintenance platform according to claim 2, wherein: in the above step S5-4-2, the distance is
Actual edge length of time signal channel block
The quantization formula of (a) is:
the quantization formula of the moving state width of the visible object in the step S5-4-5 is as follows:
in the formula (I), the compound is shown in the specification,
，
，
are coordinate values of the mark points corresponding to the current coordinate signal channel block,
and the value of the width of the moving state of the visual object entering the visual field camera at present.
4. The intelligent visual security management operation and maintenance platform according to claim 3, wherein: the step S5-5 is specifically the following step:
s5-5-1: obtaining the current visual object movement state width value decomposed and quantized by the shape edge description module
；
S5-5-2: by the formula:
quantizing to obtain the bandwidth size required for transmitting the current visible object, wherein
The server bandwidth percentage value occupied by the object currently shot by the camera,
converting the visible object shape contour edge into a transmission bandwidth coefficient value which is a constant value;
s5-5-3: the required bandwidth size of the current visible object is output and transmitted, when the current visible object is transmitted with the image signals of other objects, the current visible object can be transmitted in parallel as long as the percentage value of the occupied bandwidth does not exceed the set value of the parallel transmission, and the current visible object cannot be transmitted in parallel when the percentage value of the occupied bandwidth exceeds the set value of the parallel transmission.
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