CN111914791A - Smart city security monitoring system based on image recognition - Google Patents
Smart city security monitoring system based on image recognition Download PDFInfo
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- CN111914791A CN111914791A CN202010816260.1A CN202010816260A CN111914791A CN 111914791 A CN111914791 A CN 111914791A CN 202010816260 A CN202010816260 A CN 202010816260A CN 111914791 A CN111914791 A CN 111914791A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V20/00—Scenes; Scene-specific elements
- G06V20/50—Context or environment of the image
- G06V20/52—Surveillance or monitoring of activities, e.g. for recognising suspicious objects
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
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Abstract
The invention discloses an intelligent city security monitoring system based on image recognition, which comprises a follow-up monitoring analysis device and a self-starting device; the self-starting device comprises a wall body and a clamping assembly arranged at a preset height of the wall body, wherein elastic cloth is clamped on the clamping assembly; the clamping assembly comprises a base plate fixed on the wall body through a bolt hole, the bolt hole is formed in the wall body, a corresponding through hole is formed in the base plate, and the base plate penetrates through the through hole through a nut and is connected into the bolt hole; according to the invention, the content of a high-rise building is monitored by the follow-up monitoring and analyzing device, the image is collected by the aid of the camera, after the image is analyzed, when an object falls, the corresponding threat point can be automatically obtained, and the self-starting device can be automatically combined with the first driving unit and the second driving unit to carry out protection and self-starting according to the position of the threat point, so that the driving unit is automatically controlled to drive to rotate, and the rotating column drives the front-end supporting rod to rotate; the front end supporting rod stretches the elastic cloth to play a role in protection.
Description
Technical Field
The invention belongs to the field of security and relates to a smart city security and protection technology, in particular to a smart city security and protection monitoring system based on image recognition.
Background
The patent with publication number CN209056058U discloses a city security system based on thing networking, includes: the system comprises an urban security service platform, an alarm terminal, a people's air defense signal receiving terminal, a communication base station, a mobile terminal and an object defense signal receiving terminal; the urban security service platform is used for receiving and processing an alarm signal sent by the alarm terminal; the alarm terminal sends an alarm signal to the urban security service platform; the civil air defense signal receiving terminal is used for receiving a signal sent by the urban security service platform and informing the on-duty personnel of warning signals; the communication base station is connected with the mobile terminal and used for receiving signals sent by the urban security service platform and sending the alarm signals to the mobile terminal within the range of the communication base station; the object defense signal receiving terminal is used for receiving signals sent by the city security service platform and controlling the object defense equipment to start. The utility model discloses to the same unified scheduling of coordinating of people's air defense, security protection and the technique of preventing facility in the city, can implement many sets of emergent plans, improve the efficiency of city security protection.
However, aiming at the current situation that security systems of cities need to be strengthened in order to create smart cities better, especially for the current situation of high-altitude parabolas, although there are many ways for how to prevent the high-altitude parabolas and find corresponding personnel, responsibility tracing is secondary after all, and more importantly, how to avoid causing safety problems when the high-altitude parabolas occur; to solve this problem, a solution is now provided.
Disclosure of Invention
The invention aims to provide an intelligent city security monitoring system based on image recognition.
The purpose of the invention can be realized by the following technical scheme:
a smart city security monitoring system based on image recognition comprises a follow-up monitoring analysis device and a self-starting device;
the self-starting device comprises a wall body and a clamping assembly arranged at a preset height of the wall body, wherein elastic cloth is clamped on the clamping assembly;
the clamping assembly comprises a base plate fixed on the wall body through a bolt hole, the bolt hole is formed in the wall body, a corresponding through hole is formed in the base plate, and the base plate penetrates through the through hole through a nut and is connected into the bolt hole; a first base is fixedly connected to one side of the substrate, a square groove is formed in the first base, and the front end of the first base is of a semicircular structure;
a second base is fixedly connected to the other side of the base plate, a blocking plate is fixed to the upper end of the second base, a connecting column is fixedly connected to one side wall of the blocking plate, a cover block is hinged to the connecting column, and the cover block is semicircular; the connecting column is also in threaded connection with a locking nut which is arranged at the outer end of the cover block; the cover block is provided with a connecting hole penetrating through the cover block, and the connecting hole is matched with the connecting column; square cavities which are mutually contacted are formed in the second base and the cover block;
a connecting block is sleeved between the first base and the second base, and two ends of the connecting block are clamped between the square groove and the square cavity; the front end of the connecting block is provided with a containing groove, and two ends of the containing groove are provided with rotating columns; the rotating columns are fixedly connected with front-end supporting rods, two groups of locking grooves are formed in the front-end supporting rods, and bullet receiving cloth is locked in the locking grooves and has elasticity; the rotating column is driven and controlled by a driving unit I;
sinking grooves are formed in the upper end and the lower end of the locking groove, limiting grooves are formed in the sinking grooves, clamping columns are arranged in the sinking grooves, stop rings are fixedly connected to the clamping columns and matched with the limiting grooves, the clamping columns and the sinking grooves are matched with each other, and the inner diameter of each limiting groove is larger than that of each sinking groove;
the clamping column is fixedly connected with the sinking groove through a telescopic rod; the clamping column is driven by the telescopic rod to extend out of the sinking groove; the telescopic rod is driven and controlled to extend and retract through the second driving unit;
the follow-up monitoring and analyzing device is used for driving and controlling the corresponding self-starting device.
Furthermore, the follow-up monitoring analysis device comprises a monitoring unit, a warning self-analysis unit, an early warning analysis unit, a comprehensive analysis unit, a processor, a first driving unit and a second driving unit;
the monitoring unit is a monitoring camera arranged at the outer wall of each high-rise building and used for acquiring image information of windows outside all the high-rise buildings, and the monitoring camera is used for transmitting the image information to the warning self-analysis unit and the early warning analysis unit;
the warning self-analysis unit receives the image information transmitted by the monitoring unit and analyzes a warning value of the image information to obtain the flank information formed by fusing the opening position Ki and the preparation value Zi;
the warning self-analysis unit is used for transmitting the rib degree information to the comprehensive analysis unit, and the comprehensive analysis unit receives the rib degree information transmitted by the warning self-analysis unit;
the early warning analysis unit receives the image information transmitted by the monitoring unit and performs value shifting analysis on the image information to obtain throwing information formed by fusing a throwing distance Pi and an opening position Ki;
the early warning analysis unit is used for transmitting the throwing information to the comprehensive analysis unit, and the comprehensive analysis unit receives the throwing information transmitted by the early warning analysis unit;
the comprehensive analysis unit is used for comprehensively analyzing the throwing information and the flank information, and the comprehensive analysis comprises the following specific steps:
SS 1: acquiring a throwing distance Pi and an opening position Ki in the throwing information;
SS 2: acquiring an opening position Ki and a preparation value Zi in the flank information;
SS 3: comparing the corresponding throwing distance Pi with a prepared value Zi according to the opening position Ki;
SS 4: marking the throwing distance Pi larger than the corresponding opening position Ki of the prepared Zi as a threat point;
SS 5: acquiring all threat points;
the comprehensive analysis unit is used for transmitting the threat points to the processor, the processor automatically combines the first driving unit and the second driving unit to carry out protection self-starting on the self-starting device after receiving the threat points transmitted by the comprehensive analysis unit, and the protection self-starting process is as follows:
s001: when the threat point is received, the automatic control driving unit drives the rotation,
s002: at the moment, the rotating column drives the front end supporting rod to rotate;
s003: the front end supporting rod stretches the elastic cloth to play a role in protection;
s004: when the elastic cloth is damaged and needs to be modified, only a replacing instruction needs to be transmitted to the processor;
s005: when the processor receives the replacing instruction, the second driving unit is controlled to drive the telescopic rod to recover, and then the elastic receiving cloth is placed into the corresponding locking groove; a through hole matched with the clamping column is formed in the bullet receiving cloth;
s006: and then the clamping columns are extended out through the telescopic rods, and the two clamping columns penetrate through the through holes for receiving the elastic cloth and are fixed between the two front-end supporting rods to finish replacement.
Further, the specific process of analyzing the warning value is as follows:
the method comprises the following steps: acquiring image information;
step two: automatically acquiring the lowest height of all opening positions from the ground according to the image information, wherein the opening positions refer to all potential ports which are recessed compared with the outer wall surface, and the area of each potential port refers to an opening with an area exceeding a preset value;
step three: marking the opening position as Ki, i 1.. n; correspondingly marking the lowest height thereof as Gi, i-1.. n;
step four: determining a prepared value according to the height value, wherein the prepared value Zi is calculated in the following way:
Zi＝Gi/α；
in the formula, alpha is a preset numerical value; wherein Zi is in one-to-one correspondence with Ki and Gi;
step five: and automatically fusing the opening position Ki and the preparation value Zi to form the flank degree information.
Further, the shift value analysis comprises the following specific steps:
s1: acquiring image information, and automatically acquiring all opening positions Ki;
s2: synchronously monitoring all opening positions Ki to obtain an initial picture of the opening positions Ki, wherein the initial picture is a picture of no other objects nearby under a normal condition;
s3: optionally selecting one opening position, and performing synchronous monitoring analysis on the opening position;
s4: firstly, acquiring an initial picture at the position of the opening;
s5: then, acquiring photos at the corresponding opening position at intervals of preset T1 time, and marking the photos as real-time photos;
s6: comparing and analyzing the real-time picture and the initial picture, and when other objects exist at the opening position, acquiring the distance between the object and the edge of the opening position, wherein the distance is calculated by the farthest distance between the object and the edge of the corresponding opening position; if not, repeating the step S6;
s7: marking the distance as a throw distance P;
s8: optionally selecting the next opening position, and repeating the steps S3-S8 until all the opening positions are analyzed;
s9: obtaining the throwing distances Pi, i is 1.. n at all opening positions, and Pi and Ki correspond to each other one by one;
s10: and fusing the throwing distance Pi and the opening position Ki to form throwing information.
The invention has the beneficial effects that:
according to the invention, the content of a high-rise building is monitored by the follow-up monitoring and analyzing device, the image is collected by the aid of the camera, after the image is analyzed, when an object falls, the corresponding threat point can be automatically obtained, and the self-starting device can be automatically combined with the first driving unit and the second driving unit to carry out protection and self-starting according to the position of the threat point, so that the driving unit is automatically controlled to drive to rotate, and the rotating column drives the front-end supporting rod to rotate; the front end supporting rod stretches the elastic cloth to play a role in protection;
meanwhile, when the bullet receiving cloth is damaged and needs to be modified, only a replacing instruction needs to be transmitted to the processor; when the processor receives the replacing instruction, the second driving unit is controlled to drive the telescopic rod to recover, and then the elastic receiving cloth is placed into the corresponding locking groove; a through hole matched with the clamping column is formed in the bullet receiving cloth; then the clamping columns are extended out through the telescopic rods, and the two clamping columns penetrate through the through holes for receiving the elastic cloth and are fixed between the two front-end supporting rods to finish replacement; the invention is simple, effective and easy to use.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic structural diagram of a self-starting device according to the present invention;
FIG. 2 is a schematic diagram of the exploded structure of FIG. 1;
FIG. 3 is a schematic view of a portion of the present invention;
FIG. 4 is a schematic view of the structure of the front end strut of the present invention;
FIG. 5 is a cross-sectional view of the internal structure of the front strut of the present invention;
fig. 6 is a schematic structural diagram of the follow-up monitoring and analyzing device of the present invention.
Detailed Description
As shown in fig. 1-6, a smart city security monitoring system based on image recognition includes a follow-up monitoring and analyzing device and a self-starting device;
the self-starting device comprises a wall body 1 and a clamping assembly 2 arranged at a preset height of the wall body 1, wherein elastic receiving cloth 3 is clamped on the clamping assembly 2;
the clamping assembly 2 comprises a base plate 4 fixed on the wall body 1 through a bolt hole, the bolt hole is formed in the wall body 1, a corresponding through hole 401 is formed in the base plate 4, and the base plate 4 penetrates through the through hole 401 through a nut 402 and is connected into the bolt hole; a first base 5 is fixedly connected to one side of the substrate 4, a square groove is formed in the first base 5, and the front end of the first base 5 is of a semicircular structure;
the other side of the substrate 4 is fixedly connected with a second base 6, the upper end of the second base 6 is fixedly provided with a blocking plate 601, one side wall of the blocking plate 601 is fixedly connected with a connecting column 602, a cover block 7 is hinged on the connecting column 602, and the cover block 7 is semicircular; the connecting column 602 is further in threaded connection with a locking nut 604, and the locking nut 604 is arranged at the outer end of the cover block 7; the cover block 7 is provided with a connecting hole 701 penetrating through the cover block, and the connecting hole 701 is matched with the connecting column 602; square cavities 603 which are mutually contacted are arranged on the second base 6 and the cover block 7;
a connecting block 8 is sleeved between the first base 5 and the second base 6, and two ends of the connecting block 8 are clamped between the square groove and the square cavity 603; the front end of the connecting block 8 is provided with a containing groove 801, and two ends of the containing groove 801 are provided with rotating columns 802; the rotating columns 802 are fixedly connected with front-end supporting rods 9, two groups of locking grooves 10 are formed in the front-end supporting rods 9, the elastic receiving cloth 3 is locked in the locking grooves 10, and the elastic receiving cloth 3 has elasticity; the rotary column 802 is driven and controlled by a driving unit I;
the upper end and the lower end of the locking groove 10 are both provided with a sunken groove 11, a limiting groove 1101 is formed in the sunken groove 11, clamping columns 12 are arranged in the sunken grooves 11, stop rings 1201 are fixedly connected to the clamping columns 12, the stop rings 1201 are matched with the limiting groove 1101, the clamping columns 12 are matched with the sunken grooves 11, and the inner diameter of the limiting groove 1101 is larger than that of the sunken groove 11;
the clamping column 12 is fixedly connected with the sinking groove 11 through a telescopic rod 13; the clamping column 12 is driven to extend out of the sunken groove 11 through the telescopic rod 13; the telescopic rod 13 is driven and controlled to extend and retract through the driving unit II;
the follow-up monitoring and analyzing device comprises a monitoring unit, a warning self-analyzing unit, an early warning analyzing unit, a comprehensive analyzing unit, a processor, a first driving unit and a second driving unit;
the monitoring unit is a monitoring camera arranged at the outer wall of each high-rise building and used for acquiring image information of windows outside all the high-rise buildings, and the monitoring camera is used for transmitting the image information to the warning self-analysis unit and the early warning analysis unit;
the warning self-analysis unit receives the image information transmitted by the monitoring unit and analyzes a warning value of the image information, and the specific process of the warning value analysis is as follows:
the method comprises the following steps: acquiring image information;
step two: automatically acquiring the lowest height of all opening positions from the ground according to the image information, wherein the opening positions refer to all potential ports which are recessed compared with the outer wall surface, and the area of each potential port refers to an opening with an area exceeding a preset value; the self-starting device is arranged at the lower end of the opening position;
step three: marking the opening position as Ki, i 1.. n; correspondingly marking the lowest height thereof as Gi, i-1.. n;
step four: determining a prepared value according to the height value, wherein the prepared value Zi is calculated in the following way:
Zi＝Gi/α；
in the formula, α is a preset value, and a specific value thereof is set according to a user requirement, and may be selected as 10 here; wherein Zi is in one-to-one correspondence with Ki and Gi;
step five: automatically fusing the opening position Ki and the preparation value Zi to form rib degree information;
the warning self-analysis unit is used for transmitting the rib degree information to the comprehensive analysis unit, and the comprehensive analysis unit receives the rib degree information transmitted by the warning self-analysis unit;
the early warning analysis unit receives the image information transmitted by the monitoring unit and performs value shift analysis on the image information, wherein the value shift analysis specifically comprises the following steps:
s1: acquiring image information, and automatically acquiring all opening positions Ki;
s2: synchronously monitoring all opening positions Ki to obtain an initial picture of the opening positions Ki, wherein the initial picture is a picture of no other objects nearby under a normal condition;
s3: optionally selecting one opening position, and performing synchronous monitoring analysis on the opening position;
s4: firstly, acquiring an initial picture at the position of the opening;
s5: then, acquiring photos at the corresponding opening position at intervals of preset T1 time, and marking the photos as real-time photos;
s6: comparing and analyzing the real-time picture and the initial picture, and when other objects exist at the opening position, acquiring the distance between the object and the edge of the opening position, wherein the distance is calculated by the farthest distance between the object and the edge of the corresponding opening position; if not, repeating the step S6;
s7: marking the distance as a throw distance P;
s8: optionally selecting the next opening position, and repeating the steps S3-S8 until all the opening positions are analyzed;
s9: obtaining the throwing distances Pi, i is 1.. n at all opening positions, and Pi and Ki correspond to each other one by one;
s10: fusing the throwing distance Pi and the opening position Ki to form throwing information;
the early warning analysis unit is used for transmitting the throwing information to the comprehensive analysis unit, and the comprehensive analysis unit receives the throwing information transmitted by the early warning analysis unit;
the comprehensive analysis unit is used for comprehensively analyzing the throwing information and the flank information, and the comprehensive analysis comprises the following specific steps:
SS 1: acquiring a throwing distance Pi and an opening position Ki in the throwing information;
SS 2: acquiring an opening position Ki and a preparation value Zi in the flank information;
SS 3: comparing the corresponding throwing distance Pi with a prepared value Zi according to the opening position Ki;
SS 4: marking the throwing distance Pi larger than the corresponding opening position Ki of the prepared Zi as a threat point;
SS 5: acquiring all threat points;
the comprehensive analysis unit is used for transmitting the threat points to the processor, the processor automatically combines the first driving unit and the second driving unit to carry out protection self-starting on the self-starting device after receiving the threat points transmitted by the comprehensive analysis unit, and the protection self-starting process is as follows:
s001: when the threat point is received, the automatic control driving unit drives the rotation,
s002: at the moment, the rotating column 802 drives the front end supporting rod 9 to rotate;
s003: the front-end supporting rod 9 opens the elastic cloth 3 to play a role in protection;
s004: when the bullet receiving cloth 3 is damaged and needs to be modified, only a replacing instruction needs to be transmitted to the processor;
s005: when the processor receives a replacing instruction, the second driving unit is controlled to drive the telescopic rod 13 to be recovered, and then the elastic receiving cloth 3 is placed into the corresponding locking groove 10; a through hole matched with the clamping column 12 is formed in the bullet receiving cloth 3;
s006: then the clamping columns 12 are extended out through the telescopic rods 13, and the two clamping columns 12 penetrate through the through holes of the elastic fabric 3 and are fixed between the two front-end supporting rods 9 to complete replacement.
A smart city security monitoring system based on image recognition is characterized in that when the system works, a follow-up monitoring analysis device is used for monitoring the content of a high-rise building, a camera is used for acquiring images, after the images are analyzed, when an object falls, a corresponding threat point can be automatically obtained according to the position of the threat point, a first driving unit and a second driving unit are automatically combined to carry out protection self-starting according to the position of the threat point, the driving unit is automatically controlled to drive to rotate, and a rotating column 802 drives a front-end supporting rod 9 to rotate; the front-end supporting rod 9 opens the elastic cloth 3 to play a role in protection;
meanwhile, when the bullet receiving cloth 3 is damaged and needs to be modified, only a replacing instruction needs to be transmitted to the processor; when the processor receives a replacing instruction, the second driving unit is controlled to drive the telescopic rod 13 to be recovered, and then the elastic receiving cloth 3 is placed into the corresponding locking groove 10; a through hole matched with the clamping column 12 is formed in the bullet receiving cloth 3; then the clamping columns 12 extend out through the telescopic rods 13, and the two clamping columns 12 penetrate through the through holes of the elastic fabric 3 and are fixed between the two front-end supporting rods 9 to complete replacement; the invention is simple, effective and easy to use.
The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the invention as defined in the following claims.
Claims (4)
1. A smart city security monitoring system based on image recognition is characterized by comprising a follow-up monitoring analysis device and a self-starting device;
the self-starting device comprises a wall body (1) and a clamping assembly (2) arranged at a preset height of the wall body (1), wherein elastic receiving cloth (3) is clamped on the clamping assembly (2);
the clamping assembly (2) comprises a base plate (4) fixed on the wall body (1) through a bolt hole, the bolt hole is formed in the wall body (1), a corresponding through hole (401) is formed in the base plate (4), and the base plate is connected into the bolt hole through the through hole (401) through a nut (402); a first base (5) is fixedly connected to one side of the substrate (4), a square groove is formed in the first base (5), and the front end of the first base (5) is of a semicircular structure;
a second base (6) is fixedly connected to the other side of the base plate (4), a blocking plate (601) is fixed to the upper end of the second base (6), a connecting column (602) is fixedly connected to one side wall of the blocking plate (601), a cover block (7) is hinged to the connecting column (602), and the cover block (7) is semicircular; the connecting column (602) is also in threaded connection with a locking nut (604), and the locking nut (604) is arranged at the outer end of the cover block (7); the cover block (7) is provided with a connecting hole (701) penetrating through the cover block, and the connecting hole (701) is matched with the connecting column (602); square cavities (603) which are mutually contacted are formed in the second base (6) and the cover block (7);
a connecting block (8) is sleeved between the first base (5) and the second base (6), and two ends of the connecting block (8) are clamped between the square groove and the square cavity (603); the front end of the connecting block (8) is provided with a containing groove (801), and two ends of the containing groove (801) are provided with rotating columns (802); the rotating columns (802) are fixedly connected with front-end supporting rods (9), two groups of locking grooves (10) are formed in the front-end supporting rods (9), the elastic receiving cloth (3) is locked in the locking grooves (10), and the elastic receiving cloth (3) has elasticity; the rotary column (802) is driven and controlled by a driving unit I;
sinking grooves (11) are formed in the upper end and the lower end of a locking groove (10), a limiting groove (1101) is formed in the sinking groove (11), clamping columns (12) are arranged in the sinking grooves (11), a retaining ring (1201) is fixedly connected to each clamping column (12), the retaining ring (1201) is matched with the limiting groove (1101), the clamping columns (12) are matched with the sinking grooves (11), and the inner diameter of each limiting groove (1101) is larger than that of the sinking grooves (11);
the clamping column (12) is fixedly connected with the sinking groove (11) through a telescopic rod (13); the clamping column (12) is driven by the telescopic rod (13) to extend out of the sunken groove (11); the telescopic rod (13) is driven and controlled to extend and retract through the driving unit II;
the follow-up monitoring and analyzing device is used for driving and controlling the corresponding self-starting device.
2. The intelligent city security monitoring system based on image recognition as claimed in claim 1, wherein the follow-up monitoring analysis device comprises a monitoring unit, a warning self-analysis unit, an early warning analysis unit, a comprehensive analysis unit, a processor, a first driving unit and a second driving unit;
the monitoring unit is a monitoring camera arranged at the outer wall of each high-rise building and used for acquiring image information of windows outside all the high-rise buildings, and the monitoring camera is used for transmitting the image information to the warning self-analysis unit and the early warning analysis unit;
the warning self-analysis unit receives the image information transmitted by the monitoring unit and analyzes a warning value of the image information to obtain the flank information formed by fusing the opening position Ki and the preparation value Zi;
the warning self-analysis unit is used for transmitting the rib degree information to the comprehensive analysis unit, and the comprehensive analysis unit receives the rib degree information transmitted by the warning self-analysis unit;
the early warning analysis unit receives the image information transmitted by the monitoring unit and performs value shifting analysis on the image information to obtain throwing information formed by fusing a throwing distance Pi and an opening position Ki;
the early warning analysis unit is used for transmitting the throwing information to the comprehensive analysis unit, and the comprehensive analysis unit receives the throwing information transmitted by the early warning analysis unit;
the comprehensive analysis unit is used for comprehensively analyzing the throwing information and the flank information, and the comprehensive analysis comprises the following specific steps:
SS 1: acquiring a throwing distance Pi and an opening position Ki in the throwing information;
SS 2: acquiring an opening position Ki and a preparation value Zi in the flank information;
SS 3: comparing the corresponding throwing distance Pi with a prepared value Zi according to the opening position Ki;
SS 4: marking the throwing distance Pi larger than the corresponding opening position Ki of the prepared Zi as a threat point;
SS 5: acquiring all threat points;
the comprehensive analysis unit is used for transmitting the threat points to the processor, the processor automatically combines the first driving unit and the second driving unit to carry out protection self-starting on the self-starting device after receiving the threat points transmitted by the comprehensive analysis unit, and the protection self-starting process is as follows:
s001: when the threat point is received, the automatic control driving unit drives the rotation,
s002: at the moment, the rotating column (802) drives the front end supporting rod (9) to rotate;
s003: the front-end supporting rod (9) opens the elastic cloth (3) to play a role in protection;
s004: when the bullet receiving cloth (3) is damaged and needs to be modified, only a replacing instruction needs to be transmitted to the processor;
s005: when the processor receives a replacing instruction, the second driving unit is controlled to drive the telescopic rod (13) to be recovered, and then the elastic receiving cloth (3) is placed into the corresponding locking groove (10); a through hole matched with the clamping column (12) is formed in the bullet receiving cloth (3);
s006: and then the clamping columns (12) are extended out through the telescopic rods (13), and the two clamping columns (12) penetrate through the through holes of the elastic cloth (3) and are fixed between the two front-end supporting rods (9) to finish replacement.
3. The system according to claim 2, wherein the specific process of the alarm value analysis is as follows:
the method comprises the following steps: acquiring image information;
step two: automatically acquiring the lowest height of all opening positions from the ground according to the image information, wherein the opening positions refer to all potential ports which are recessed compared with the outer wall surface, and the area of each potential port refers to an opening with an area exceeding a preset value;
step three: marking the opening position as Ki, i 1.. n; correspondingly marking the lowest height thereof as Gi, i-1.. n;
step four: determining a prepared value according to the height value, wherein the prepared value Zi is calculated in the following way:
Zi＝Gi/α；
in the formula, alpha is a preset numerical value; wherein Zi is in one-to-one correspondence with Ki and Gi;
step five: and automatically fusing the opening position Ki and the preparation value Zi to form the flank degree information.
4. The system according to claim 2, wherein the image recognition-based smart city security monitoring system comprises the following steps:
s1: acquiring image information, and automatically acquiring all opening positions Ki;
s2: synchronously monitoring all opening positions Ki to obtain an initial picture of the opening positions Ki, wherein the initial picture is a picture of no other objects nearby under a normal condition;
s3: optionally selecting one opening position, and performing synchronous monitoring analysis on the opening position;
s4: firstly, acquiring an initial picture at the position of the opening;
s5: then, acquiring photos at the corresponding opening position at intervals of preset T1 time, and marking the photos as real-time photos;
s6: comparing and analyzing the real-time picture and the initial picture, and when other objects exist at the opening position, acquiring the distance between the object and the edge of the opening position, wherein the distance is calculated by the farthest distance between the object and the edge of the corresponding opening position; if not, repeating the step S6;
s7: marking the distance as a throw distance P;
s8: optionally selecting the next opening position, and repeating the steps S3-S8 until all the opening positions are analyzed;
s9: obtaining the throwing distances Pi, i is 1.. n at all opening positions, and Pi and Ki correspond to each other one by one;
s10: and fusing the throwing distance Pi and the opening position Ki to form throwing information.
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