CN111726582B - Waterproof outdoor monitoring system and method applying numerical analysis - Google Patents
Waterproof outdoor monitoring system and method applying numerical analysis Download PDFInfo
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- CN111726582B CN111726582B CN202010574451.1A CN202010574451A CN111726582B CN 111726582 B CN111726582 B CN 111726582B CN 202010574451 A CN202010574451 A CN 202010574451A CN 111726582 B CN111726582 B CN 111726582B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
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- G—PHYSICS
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- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
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- G—PHYSICS
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- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
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- G01N2021/8411—Application to online plant, process monitoring
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Abstract
The invention relates to a waterproof outdoor monitoring system applying numerical analysis, which comprises: the content judgment equipment is arranged in an instrument box where the outdoor monitoring terminal is located, and is used for sending a water flow spreading command when the number of the received residual water body pixel points exceeds the limit, and is also used for sending a water flow non-spreading command when the number of the received residual water body pixel points does not exceed the limit; and the ZIGBEE communication mechanism is used for wirelessly sending the received water flow spreading command as an alarm command to a nearest monitoring server with a ZIGBEE communication interface. The invention also relates to a waterproof outdoor monitoring method applying the numerical analysis. The waterproof outdoor monitoring system and method applying numerical analysis are wide in application, safe and reliable. Because an intelligent water body spreading state detection mechanism is built around the outdoor monitoring terminal, the related alarm operation and emergency treatment are convenient to carry out, and the influence on the monitoring of the outdoor monitoring terminal is avoided.
Description
Technical Field
The invention relates to the field of outdoor monitoring, in particular to a waterproof outdoor monitoring system and method applying numerical analysis.
Background
The monitoring system is also called a Closed-Circuit Television monitoring system (CCTV), and a typical monitoring system mainly comprises five major parts, namely front-end audio and video acquisition equipment, audio and video transmission equipment, and rear-end storage, control and display equipment, wherein the rear-end equipment can be further divided into central control equipment and sub-control equipment. The front-end and back-end devices have various configurations, and the connection between them (also called transmission system) can be realized by various means such as coaxial cable, twisted pair, optical fiber, microwave, wireless, etc.
The outdoor monitoring system refers to some outdoor systems for acquiring, analyzing and judging data of outdoor scenes by comprising a video acquisition unit, and usually adopts an outdoor monitoring upright rod for a columnar support for installing an outdoor monitoring camera.
Disclosure of Invention
In order to solve the related technical problems in the prior art, the invention provides a waterproof outdoor monitoring system and method applying numerical analysis, which can set a high-precision and targeted nearby water body spreading state detection mechanism around an outdoor monitoring terminal so as to report the nearby water body spreading state detection mechanism to a nearest monitoring server side in time when the influence of the nearby water body on the monitoring environment of the outdoor monitoring terminal is discovered.
For this reason, the present invention needs to have several important points:
(1) a nearby water body spreading state detection mechanism is arranged at the position of the outdoor monitoring terminal so as to carry out alarm operation of a corresponding ZIGBEE communication link when nearby water body is excessively spread;
(2) the water body pixel points are identified based on the preset water body brightness value range, the water body pixel points far away from other water body pixel points are eliminated, and the spreading state of the nearby water body is determined based on the number of the remaining water body pixel points, so that the identification precision of the spreading state of the nearby water body is improved.
According to an aspect of the present invention, there is provided a waterproof type outdoor monitoring system applying numerical analysis, the system including:
the content judgment equipment is arranged in an instrument box where the outdoor monitoring terminal is located and used for sending a water flow spreading command when the number of the received residual water body pixel points exceeds the limit;
the content judgment equipment is also used for sending a water flow non-spreading command when the number of the received residual water body pixel points is not over the limit;
the ZIGBEE communication mechanism is connected with the content judgment equipment and is used for wirelessly sending the received water flow spreading command serving as a warning command to a nearest monitoring server with a ZIGBEE communication interface;
the visible light detection mechanism is arranged at the position of the outdoor monitoring terminal and used for executing visible light image capturing operation on the environment where the outdoor monitoring terminal is located so as to obtain and output a corresponding visible light captured image;
the visible light detection mechanism comprises more than two imaging devices which are arranged side by side and have complementary visual angles, and the imaging devices are used for carrying out image induction on the respective responsible visual angles, and except the visual angles, the imaging parameters of the more than two imaging devices are the same;
the visible light detection mechanism further comprises signal splicing equipment which is respectively connected with the more than two imaging equipment which are arranged side by side and have complementary visual angles and is used for splicing the output images of the more than two imaging equipment to obtain the visible light captured image;
the on-site sharpening mechanism is connected with the visible light detection mechanism and is used for carrying out sharpening processing on the received visible light captured image so as to obtain an on-site sharpened image;
the water body identification equipment is connected with the on-site sharpening mechanism and is used for taking pixel points with brightness values within a preset water body brightness value range in the on-site sharpened image as water body pixel points, and taking other pixel points as non-water body pixel points;
and the numerical analysis mechanism is arranged in an instrument box where the outdoor monitoring terminal is positioned, is respectively connected with the content judgment equipment and the water body distinguishing equipment, and is used for removing the water body pixel points, which have the distances between other water body pixel points closest to the field sharpened image and exceed the preset pixel point number, and accumulating the number of the residual water body pixel points.
According to another aspect of the present invention, there is also provided a waterproof outdoor monitoring method using numerical analysis, the method including:
the usage content judgment equipment is arranged in an instrument box where the outdoor monitoring terminal is located and used for sending a water flow spreading command when the number of the received residual water body pixel points exceeds the limit;
the content judgment equipment is also used for sending a water flow non-spreading command when the number of the received residual water body pixel points is not over the limit;
a ZIGBEE communication mechanism is used, is connected with the content judgment equipment and is used for wirelessly sending the received water flow spreading command as an alarm command to a nearest monitoring server with a ZIGBEE communication interface;
the method comprises the steps that a visible light detection mechanism is used, is arranged at the position of an outdoor monitoring terminal and is used for executing visible light image capturing operation on the environment where the outdoor monitoring terminal is located so as to obtain and output a corresponding visible light captured image;
the visible light detection mechanism comprises more than two imaging devices which are arranged side by side and have complementary visual angles, and the imaging devices are used for carrying out image induction on the respective responsible visual angles, and except the visual angles, the imaging parameters of the more than two imaging devices are the same;
the visible light detection mechanism further comprises signal splicing equipment which is respectively connected with the more than two imaging equipment which are arranged side by side and have complementary visual angles and is used for splicing the output images of the more than two imaging equipment to obtain the visible light captured image;
using a field sharpening mechanism connected with the visible light detection mechanism for carrying out sharpening processing on the received visible light captured image to obtain a field sharpened image;
using water body identification equipment, connecting with the on-site sharpening mechanism, and using pixel points with brightness values within a preset water body brightness value range in the on-site sharpened image as water body pixel points, and using other pixel points as non-water body pixel points;
and the numerical analysis mechanism is arranged in an instrument box where the outdoor monitoring terminal is positioned, is respectively connected with the content judgment equipment and the water body distinguishing equipment, and is used for removing the water body pixel points with the distance between other water body pixel points closest to the field sharpened image and exceeding the preset pixel point number and accumulating the number of the residual water body pixel points.
The waterproof outdoor monitoring system and method applying numerical analysis are wide in application, safe and reliable. Because an intelligent water body spreading state detection mechanism is built around the outdoor monitoring terminal, the related alarm operation and emergency treatment are convenient to carry out, and the influence on the monitoring of the outdoor monitoring terminal is avoided.
Detailed Description
Embodiments of the waterproof outdoor monitoring system and method using numerical analysis according to the present invention will be described in detail below.
The numerical analysis is a branch of mathematics, and is a subject for researching a numerical calculation method for solving a mathematical calculation problem by using a computer for analysis and a theory of the numerical calculation method. The method takes the theory and the method for solving the mathematical problem by a digital computer as a research object and is a main part for calculating mathematics.
In numerical analysis, the direct method finds a solution to a problem using a fixed number of steps. These include gaussian elimination and QR algorithms to solve linear equations, simplex methods to solve linear programming, etc. Some problems can be solved by using infinite precision arithmetic calculation. However, some problems do not have an analytical solution (such as a quintic equation), and cannot be solved by a direct method. In a computer, floating point numbers are used for operation, and under the premise of assuming a stable operation mode, the obtained result can be regarded as an approximate value of an accurate solution.
In numerical analysis, the iterative method is a mathematical process that solves the problem by finding a series of approximate solutions from an initial estimate. Unlike the direct method, when the iterative method is used to solve the problem, the steps are not fixed, and only approximate solutions of the problem can be obtained, and a series of the found approximate solutions can converge to an accurate solution of the problem. A convergence method is used to determine whether the obtained approximate solution converges. In general, even with infinite precision arithmetic, iterative methods cannot get an accurate solution to the problem in a limited number of times.
There are more cases where iterative methods are used in numerical analysis than direct methods. Such as newton's method, dichotomy, jacobian method, generalized minimum residual method (GMRES), conjugate gradient method, and so forth. In computing matrix algebra, large problems typically require iterative methods to solve.
In the prior art, outdoor monitoring terminals with various monitoring purposes are arranged in an outdoor complex environment, if the environment where the outdoor monitoring terminal is located changes in rainstorm weather or under the condition of river diversion, a large amount of water can cause adverse effects on monitoring of the outdoor monitoring terminal, and if the outdoor monitoring terminal cannot be quickly distinguished and reacted, consequences cannot be imagined.
In order to overcome the defects, the invention builds the waterproof outdoor monitoring system and the method applying numerical analysis, and can effectively solve the corresponding technical problems.
The waterproof outdoor monitoring system applying numerical analysis according to the embodiment of the present invention includes:
the content judgment equipment is arranged in an instrument box where the outdoor monitoring terminal is located and used for sending a water flow spreading command when the number of the received residual water body pixel points exceeds the limit;
the content judgment equipment is also used for sending a water flow non-spreading command when the number of the received residual water body pixel points is not over the limit;
the ZIGBEE communication mechanism is connected with the content judgment equipment and is used for wirelessly sending the received water flow spreading command serving as a warning command to a nearest monitoring server with a ZIGBEE communication interface;
the visible light detection mechanism is arranged at the position of the outdoor monitoring terminal and used for executing visible light image capturing operation on the environment where the outdoor monitoring terminal is located so as to obtain and output a corresponding visible light captured image;
the visible light detection mechanism comprises more than two imaging devices which are arranged side by side and have complementary visual angles, and the imaging devices are used for carrying out image induction on the respective responsible visual angles, and except the visual angles, the imaging parameters of the more than two imaging devices are the same;
the visible light detection mechanism further comprises signal splicing equipment which is respectively connected with the more than two imaging equipment which are arranged side by side and have complementary visual angles and is used for splicing the output images of the more than two imaging equipment to obtain the visible light captured image;
the on-site sharpening mechanism is connected with the visible light detection mechanism and is used for carrying out sharpening processing on the received visible light captured image so as to obtain an on-site sharpened image;
the water body identification equipment is connected with the on-site sharpening mechanism and is used for taking pixel points with brightness values within a preset water body brightness value range in the on-site sharpened image as water body pixel points, and taking other pixel points as non-water body pixel points;
and the numerical analysis mechanism is arranged in an instrument box where the outdoor monitoring terminal is positioned, is respectively connected with the content judgment equipment and the water body distinguishing equipment, and is used for removing the water body pixel points, which have the distances between other water body pixel points closest to the field sharpened image and exceed the preset pixel point number, and accumulating the number of the residual water body pixel points.
Next, a specific configuration of the waterproof outdoor monitoring system to which numerical analysis is applied according to the present invention will be further described.
In the waterproof outdoor monitoring system applying numerical analysis:
excluding the water pixels in the on-site sharpened image, the distance between the other water pixels closest to the on-site sharpened image exceeds the number of preset pixels, wherein the excluding includes: and when the number of the pixels with the minimum interval between the water body pixels and the other nearest water body pixels in the on-site sharpened image exceeds the preset number of the pixels, not taking the pixels as the water body pixels and taking the pixels as the non-water body pixels.
The waterproof outdoor monitoring system applying numerical analysis may further include:
the FLASH memory is positioned on the left side of the numerical analysis mechanism, is connected with the numerical analysis mechanism and is used for storing the number of preset pixel points;
and the FLASH FLASH memory is also connected with the water body identification equipment and is used for storing a preset water body brightness numerical value range.
In the waterproof outdoor monitoring system applying numerical analysis:
in the visible light detection mechanism, the visual angles of the two or more imaging devices which are arranged side by side and have complementary visual angles are equal;
each imaging device comprises a base, an optical filter, an imaging bracket, a CMOS image sensor, a lens and an optical filter extraction mechanism.
In the waterproof outdoor monitoring system applying numerical analysis:
in each imaging device, the filter extraction mechanism is connected with the filter and used for extracting the filter from the imaging device when a sheet body extraction instruction is received;
in each imaging device, the optical filter drawing mechanism is further configured to push the optical filter into the imaging device and set right above the lens when receiving a sheet pushing instruction.
The waterproof outdoor monitoring method applying numerical analysis according to the embodiment of the invention comprises the following steps:
the usage content judgment equipment is arranged in an instrument box where the outdoor monitoring terminal is located and used for sending a water flow spreading command when the number of the received residual water body pixel points exceeds the limit;
the content judgment equipment is also used for sending a water flow non-spreading command when the number of the received residual water body pixel points is not over the limit;
a ZIGBEE communication mechanism is used, is connected with the content judgment equipment and is used for wirelessly sending the received water flow spreading command as an alarm command to a nearest monitoring server with a ZIGBEE communication interface;
the method comprises the steps that a visible light detection mechanism is used, is arranged at the position of an outdoor monitoring terminal and is used for executing visible light image capturing operation on the environment where the outdoor monitoring terminal is located so as to obtain and output a corresponding visible light captured image;
the visible light detection mechanism comprises more than two imaging devices which are arranged side by side and have complementary visual angles, and the imaging devices are used for carrying out image induction on the respective responsible visual angles, and except the visual angles, the imaging parameters of the more than two imaging devices are the same;
the visible light detection mechanism further comprises signal splicing equipment which is respectively connected with the more than two imaging equipment which are arranged side by side and have complementary visual angles and is used for splicing the output images of the more than two imaging equipment to obtain the visible light captured image;
using a field sharpening mechanism connected with the visible light detection mechanism for carrying out sharpening processing on the received visible light captured image to obtain a field sharpened image;
using water body identification equipment, connecting with the on-site sharpening mechanism, and using pixel points with brightness values within a preset water body brightness value range in the on-site sharpened image as water body pixel points, and using other pixel points as non-water body pixel points;
and the numerical analysis mechanism is arranged in an instrument box where the outdoor monitoring terminal is positioned, is respectively connected with the content judgment equipment and the water body distinguishing equipment, and is used for removing the water body pixel points with the distance between other water body pixel points closest to the field sharpened image and exceeding the preset pixel point number and accumulating the number of the residual water body pixel points.
Next, the specific steps of the waterproof outdoor monitoring method using numerical analysis according to the present invention will be further described.
The waterproof outdoor monitoring method applying numerical analysis comprises the following steps:
excluding the water pixels in the on-site sharpened image, the distance between the other water pixels closest to the on-site sharpened image exceeds the number of preset pixels, wherein the excluding includes: and when the number of the pixels with the minimum interval between the water body pixels and the other nearest water body pixels in the on-site sharpened image exceeds the preset number of the pixels, not taking the pixels as the water body pixels and taking the pixels as the non-water body pixels.
The waterproof outdoor monitoring method applying numerical analysis may further include:
using a FLASH memory, which is positioned on the left side of the numerical analysis mechanism, is connected with the numerical analysis mechanism and is used for storing the number of preset pixel points;
and the FLASH FLASH memory is also connected with the water body identification equipment and is used for storing a preset water body brightness numerical value range.
The waterproof outdoor monitoring method applying numerical analysis comprises the following steps:
in the visible light detection mechanism, the visual angles of the two or more imaging devices which are arranged side by side and have complementary visual angles are equal;
each imaging device comprises a base, an optical filter, an imaging bracket, a CMOS image sensor, a lens and an optical filter extraction mechanism.
The waterproof outdoor monitoring method applying numerical analysis comprises the following steps:
in each imaging device, the filter extraction mechanism is connected with the filter and used for extracting the filter from the imaging device when a sheet body extraction instruction is received;
in each imaging device, the optical filter drawing mechanism is further configured to push the optical filter into the imaging device and set right above the lens when receiving a sheet pushing instruction.
In addition, ZIGBEE is a low power consumption lan protocol based on the ieee802.15.4 standard. According to international standards, ZIGBEE technology is a short-range, low-power wireless communication technology. This name (also called the purple bee protocol) is derived from the dance of the eight characters of bees, since bees (bee) communicate the orientation information of pollen with partners by flying and "waving" (ZIG) flapping wings, "i.e. bees form a communication network in the community by this way. Its advantages are short distance, low complexity, self-organization, low power consumption and low data rate. The device is mainly suitable for the fields of automatic control and remote control, and can be embedded into various devices.
Therefore, ZIGBEE is an inexpensive and low-power-consumption short-range wireless networking communication technology. ZIGBEE is a wireless network protocol for low-speed short-range transmission. The ZIGBEE protocol is, from bottom to top, a physical layer (PHY), a media access control layer (MAC), a Transport Layer (TL), a network layer (NWK), an application layer (APL), and the like. Wherein the physical layer and the medium access control layer comply with the specifications of the ieee802.15.4 standard.
Finally, it should be noted that each functional device in the embodiments of the present invention may be integrated into one processing device, or each device may exist alone physically, or two or more devices may be integrated into one device.
The functions, if implemented in the form of software-enabled devices and sold or used as a stand-alone product, may be stored in a computer-readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. A waterproof outdoor monitoring system using numerical analysis, the system comprising:
the content judgment equipment is arranged in an instrument box where the outdoor monitoring terminal is located and used for sending a water flow spreading command when the number of the received residual water body pixel points exceeds the limit;
the content judgment equipment is also used for sending a water flow non-spreading command when the number of the received residual water body pixel points is not over the limit;
the ZIGBEE communication mechanism is connected with the content judgment equipment and is used for wirelessly sending the received water flow spreading command serving as a warning command to a nearest monitoring server with a ZIGBEE communication interface;
the visible light detection mechanism is arranged at the position of the outdoor monitoring terminal and used for executing visible light image capturing operation on the environment where the outdoor monitoring terminal is located so as to obtain and output a corresponding visible light captured image;
the visible light detection mechanism comprises more than two imaging devices which are arranged side by side and have complementary visual angles, and the imaging devices are used for carrying out image induction on the respective responsible visual angles, and except the visual angles, the imaging parameters of the more than two imaging devices are the same;
the visible light detection mechanism further comprises signal splicing equipment which is respectively connected with the more than two imaging equipment which are arranged side by side and have complementary visual angles and is used for splicing the output images of the more than two imaging equipment to obtain the visible light captured image;
the on-site sharpening mechanism is connected with the visible light detection mechanism and is used for carrying out sharpening processing on a visible light captured image obtained by splicing the received output images of the more than two imaging devices so as to obtain an on-site sharpened image;
the water body identification equipment is connected with the on-site sharpening mechanism and is used for taking pixel points with brightness values within a preset water body brightness value range in the on-site sharpened image as water body pixel points, and taking other pixel points as non-water body pixel points;
the numerical analysis mechanism is arranged in an instrument box where the outdoor monitoring terminal is located, is respectively connected with the content judgment device and the water body distinguishing device, and is used for removing water body pixels, the distances between the water body pixels and the nearest other water body pixels in the field sharpened image exceed the number of preset pixels, and accumulating the number of the residual water body pixels;
excluding the water pixels in the on-site sharpened image, the distance between the other water pixels closest to the on-site sharpened image exceeds the number of preset pixels, wherein the excluding includes: when the number of pixels with the least interval between the water pixels and the nearest other water pixels in the on-site sharpened image exceeds the preset number of pixels, the pixels are not used as water pixels and are used as non-water pixels;
the FLASH memory is positioned on the left side of the numerical analysis mechanism, is connected with the numerical analysis mechanism and is used for storing the number of preset pixel points;
and the FLASH FLASH memory is also connected with the water body identification equipment and is used for storing a preset water body brightness numerical value range.
2. The waterproof type outdoor monitoring system applying numerical analysis of claim 1, wherein:
in the visible light detection mechanism, the visual angles of the two or more imaging devices which are arranged side by side and have complementary visual angles are equal;
each imaging device comprises a base, an optical filter, an imaging bracket, a CMOS image sensor, a lens and an optical filter extraction mechanism.
3. The waterproof type outdoor monitoring system applying numerical analysis of claim 2, wherein:
in each imaging device, the filter extraction mechanism is connected with the filter and used for extracting the filter from the imaging device when a sheet body extraction instruction is received;
in each imaging device, the optical filter drawing mechanism is further configured to push the optical filter into the imaging device and set right above the lens when receiving a sheet pushing instruction.
4. A waterproof outdoor monitoring method using numerical analysis, the method comprising:
the usage content judgment equipment is arranged in an instrument box where the outdoor monitoring terminal is located and used for sending a water flow spreading command when the number of the received residual water body pixel points exceeds the limit;
the content judgment equipment is also used for sending a water flow non-spreading command when the number of the received residual water body pixel points is not over the limit;
a ZIGBEE communication mechanism is used, is connected with the content judgment equipment and is used for wirelessly sending the received water flow spreading command as an alarm command to a nearest monitoring server with a ZIGBEE communication interface;
the method comprises the steps that a visible light detection mechanism is used, is arranged at the position of an outdoor monitoring terminal and is used for executing visible light image capturing operation on the environment where the outdoor monitoring terminal is located so as to obtain and output a corresponding visible light captured image;
the visible light detection mechanism comprises more than two imaging devices which are arranged side by side and have complementary visual angles, and the imaging devices are used for carrying out image induction on the respective responsible visual angles, and except the visual angles, the imaging parameters of the more than two imaging devices are the same;
the visible light detection mechanism further comprises signal splicing equipment which is respectively connected with the more than two imaging equipment which are arranged side by side and have complementary visual angles and is used for splicing the output images of the more than two imaging equipment to obtain the visible light captured image;
using a field sharpening mechanism, connected to the visible light detection mechanism, for performing sharpening processing on a visible light captured image obtained by splicing the received output images of the two or more imaging devices to obtain a field sharpened image;
using water body identification equipment, connecting with the on-site sharpening mechanism, and using pixel points with brightness values within a preset water body brightness value range in the on-site sharpened image as water body pixel points, and using other pixel points as non-water body pixel points;
the numerical analysis mechanism is arranged in an instrument box where the outdoor monitoring terminal is located, is respectively connected with the content judgment device and the water body distinguishing device, and is used for removing water body pixel points, the distances between the water body pixel points and other nearest water body pixel points in the field sharpened image exceed the number of preset pixel points, and accumulating the number of the residual water body pixel points;
excluding the water pixels in the on-site sharpened image, the distance between the other water pixels closest to the on-site sharpened image exceeds the number of preset pixels, wherein the excluding includes: when the number of pixels with the least interval between the water pixels and the nearest other water pixels in the on-site sharpened image exceeds the preset number of pixels, the pixels are not used as water pixels and are used as non-water pixels;
using a FLASH memory, which is positioned on the left side of the numerical analysis mechanism, is connected with the numerical analysis mechanism and is used for storing the number of preset pixel points;
and the FLASH FLASH memory is also connected with the water body identification equipment and is used for storing a preset water body brightness numerical value range.
5. The waterproof type outdoor monitoring method applying numerical analysis according to claim 4, characterized in that:
in the visible light detection mechanism, the visual angles of the two or more imaging devices which are arranged side by side and have complementary visual angles are equal;
each imaging device comprises a base, an optical filter, an imaging bracket, a CMOS image sensor, a lens and an optical filter extraction mechanism.
6. The waterproof type outdoor monitoring method applying numerical analysis according to claim 5, characterized in that:
in each imaging device, the filter extraction mechanism is connected with the filter and used for extracting the filter from the imaging device when a sheet body extraction instruction is received;
in each imaging device, the optical filter drawing mechanism is further configured to push the optical filter into the imaging device and set right above the lens when receiving a sheet pushing instruction.
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