CN112837497B - Alarm triggering system based on target position analysis - Google Patents
Alarm triggering system based on target position analysis Download PDFInfo
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- CN112837497B CN112837497B CN202011178414.5A CN202011178414A CN112837497B CN 112837497 B CN112837497 B CN 112837497B CN 202011178414 A CN202011178414 A CN 202011178414A CN 112837497 B CN112837497 B CN 112837497B
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- 238000001914 filtration Methods 0.000 claims description 26
- 238000003384 imaging method Methods 0.000 claims description 23
- 238000012545 processing Methods 0.000 claims description 14
- 238000013480 data collection Methods 0.000 claims description 5
- 235000020061 kirsch Nutrition 0.000 claims description 3
- 230000010355 oscillation Effects 0.000 claims description 2
- 239000010453 quartz Substances 0.000 claims description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 2
- 230000007480 spreading Effects 0.000 abstract description 5
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- 238000012544 monitoring process Methods 0.000 description 3
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Classifications
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/12—Actuation by presence of radiation or particles, e.g. of infrared radiation or of ions
- G08B17/125—Actuation by presence of radiation or particles, e.g. of infrared radiation or of ions by using a video camera to detect fire or smoke
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
- G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/42—Determining position
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
- G08B25/10—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using wireless transmission systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/025—Services making use of location information using location based information parameters
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Business, Economics & Management (AREA)
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Abstract
The invention relates to an alarm triggering system based on target position analysis, which comprises: the data gathering mechanism is used for acquiring the current navigation position of each person from the satellite navigation equipment of the handheld terminal of each person in the mountain through a wireless communication link; the data gathering mechanism is further used for acquiring the current navigation position of each facility from the satellite navigation equipment of each facility in the mountain; and the running control mechanism is arranged in the suspended aircraft and is used for automatically controlling the suspended aircraft to climb until the climbing control instruction is no longer received when the climbing control instruction is received. The alarm triggering system based on the target position analysis is simple to operate and has a certain automation level. Whether the aerial vehicle for aerial photography and personnel and equipment in the mountain are threatened or not can be determined according to the spreading condition of the mountain fire, so that the mountain fire hazard expansion is avoided.
Description
Technical Field
The invention relates to the field of navigation positioning, in particular to an alarm triggering system based on target position analysis.
Background
Navigation is an area of research with emphasis on monitoring and controlling processes or the movement of vehicles from one place to another. The field of navigation includes four general categories: land navigation, marine navigation, aviation navigation and space navigation. This is also an art term for expertise used by the navigator to perform navigation tasks. All navigation techniques involve locating the position of the navigator compared to known positions or patterns. In a broader sense, navigation may refer to any skill or study related to determining position and orientation. In this sense, navigation includes directional motion and pedestrian navigation.
For example, a Global Positioning System (Global Positioning System) is used as a satellite Positioning System. In short, this is a satellite system consisting of 24 satellites covering the world. The system can ensure that 4 satellites can be observed at any point on the earth at any time, so that the satellite can acquire the longitude and latitude and the height of the observation point, and functions of navigation, positioning, time service and the like can be realized.
At present, in the period of outbreak of the fire disaster in the mountain, due to the fact that the spreading direction and the speed of the fire disaster are not fixed, the combustion sufficiency is different, certain threats can be brought to personnel and facilities in the mountain and even aircrafts for aerial photography, and the monitoring mode of the fire disaster at present is only limited to simple shooting of the fire disaster in the mountain, and specific data processing and measure handling are lacked.
Disclosure of Invention
In order to solve the technical problems in the prior art, the invention provides an alarm triggering system based on target position analysis, which can determine whether to threaten a suspended aircraft for executing aerial photography and each person and equipment in a mountain according to the spreading condition of the mountain fire, thereby avoiding the expansion of the harm of the mountain fire.
For this reason, the present invention needs to have at least the following key points:
(1) judging the real-time distance to the aerial photographing mechanism based on the depth of field of the imaging of the lower fire body, and automatically controlling the flying height of the aerial photographing-executing suspended aircraft when the real-time distance is too small so as to avoid the burning of the suspended aircraft by the fire body;
(2) when a fire body exists under the aerial vehicle for performing aerial photography, whether an alarm signal that a certain person or equipment is invaded by the fire body is performed or not is determined based on the difference between the navigation data of the person and the equipment in the mountain and the navigation data of the aerial vehicle for performing aerial photography.
According to an aspect of the present invention, there is provided an alarm triggering system based on target location analysis, the system including:
and the data collection mechanism is arranged at the far end of the monitored mountain and is used for acquiring the current navigation position of each person from the satellite navigation equipment of the handheld terminal of each person in the mountain through a wireless communication link.
More specifically, in the alarm triggering system based on the target location analysis according to the present invention:
the data aggregation mechanism is also used for acquiring the current navigation position of each facility in the mountain from the satellite navigation equipment of each facility through the wireless communication link.
More specifically, in the alarm triggering system based on target location analysis according to the present invention, the system further comprises:
the running control mechanism is arranged in the suspended aircraft, is connected with the instruction analysis mechanism and is used for automatically controlling the suspended aircraft to climb until the climbing control instruction is not received any more when the climbing control instruction is received;
the position alarm mechanism is respectively connected with the data collection mechanism, the data identification mechanism and the navigator of the suspended aircraft and is used for sending a fire body approaching instruction when a pixel point at the central position of the received combined filtering image is in a fire body imaging area and the distance between the navigation position of the suspended aircraft and a certain current navigation position is lower than a preset distance threshold value;
the FLASH storage chip is connected with the data collecting mechanism and is used for receiving each current navigation position;
the real-time aerial photography mechanism is arranged at the bottom of the suspended aircraft and is used for carrying out high-altitude shooting operation on a mountain below the flying aircraft so as to obtain a corresponding high-altitude aerial photography image;
the content sharpening device is arranged in the suspended aircraft, connected with the real-time aerial photography mechanism and used for carrying out sharpening processing based on a Kirsch operator on the received image so as to obtain and output a corresponding content sharpened image;
the direction sharpening device is connected with the content sharpening device and is used for sequentially carrying out horizontal direction sharpening processing and vertical direction sharpening processing on the received content sharpened image so as to obtain and output a corresponding direction sharpened image;
the combined filtering device is connected with the direction sharpening device and is used for performing combined filtering processing on the received direction sharpened image so as to obtain and output a corresponding combined filtering image;
the data identification mechanism is connected with the combined filtering equipment and used for identifying a fire body imaging area from the combined filtering image based on fire body color imaging characteristics and acquiring each edge pixel point forming the fire body imaging area;
the distance analysis equipment is connected with the data identification mechanism and used for calculating the distance from the fire body entity edge corresponding to the edge pixel point which has positive correlation with the imaging depth of field to the suspended aircraft based on the imaging depth of field of each edge pixel point;
and the instruction analysis mechanism is connected with the distance analysis equipment and is used for sending a climbing control instruction when the distance from the fire body entity edge corresponding to a certain edge pixel point to the suspended aircraft is less than or equal to a preset distance threshold value.
The alarm triggering system based on the target position analysis is simple to operate and has a certain automation level. Whether the aerial vehicle for aerial photography and personnel and equipment in the mountain are threatened or not can be determined according to the spreading condition of the mountain fire, so that the mountain fire hazard expansion is avoided.
Detailed Description
Embodiments of the alarm triggering system based on target location analysis of the present invention will be described in detail below.
Aircraft (flight vehicle) is an apparatus that flies in the atmosphere or in an extra-atmospheric space (space). Aircraft fall into 3 categories: aircraft, spacecraft, rockets, and missiles. Flying in the atmosphere is referred to as an aircraft, such as a balloon, airship, airplane, etc. They fly by the static buoyancy of air or the aerodynamic force generated by the relative movement of air. Flying in space is called a spacecraft, such as an artificial earth satellite, a manned spacecraft, a space probe, a space shuttle and the like. They are propelled by a launch vehicle to obtain the necessary velocity to enter space and then rely on inertia to make orbital motion similar to celestial bodies. An aircraft is an instrumental flying object made by humans, capable of flying off the ground, flying in space and controlled by humans, flying in the atmosphere or in the extraterrestrial space (space). Flying in the atmosphere is called aircraft and flying in space is called spacecraft.
At present, in the period of outbreak of the fire disaster in the mountain, due to the fact that the spreading direction and the speed of the fire disaster are not fixed, the combustion sufficiency is different, certain threats can be brought to personnel and facilities in the mountain and even aircrafts for aerial photography, and the monitoring mode of the fire disaster at present is only limited to simple shooting of the fire disaster in the mountain, and specific data processing and measure handling are lacked.
In order to overcome the defects, the invention builds an alarm triggering system based on target position analysis, and can effectively solve the corresponding technical problem by utilizing a suspended aircraft.
An alarm triggering system based on target location analysis according to an embodiment of the present invention includes:
and the data collection mechanism is arranged at the far end of the monitored mountain and is used for acquiring the current navigation position of each person from the satellite navigation equipment of the handheld terminal of each person in the mountain through a wireless communication link.
Next, the detailed structure of the alarm triggering system based on the target position analysis according to the present invention will be further described.
In the alarm triggering system based on target position analysis:
the data aggregation mechanism is also used for acquiring the current navigation position of each facility in the mountain from the satellite navigation equipment of each facility through the wireless communication link.
The alarm triggering system based on the target position analysis can further comprise:
the running control mechanism is arranged in the suspended aircraft, is connected with the instruction analysis mechanism and is used for automatically controlling the suspended aircraft to climb until the climbing control instruction is not received any more when the climbing control instruction is received;
the position alarm mechanism is respectively connected with the data collection mechanism, the data identification mechanism and the navigator of the suspended aircraft and is used for sending a fire body approaching instruction when a pixel point at the central position of the received combined filtering image is in a fire body imaging area and the distance between the navigation position of the suspended aircraft and a certain current navigation position is lower than a preset distance threshold value;
the FLASH storage chip is connected with the data collecting mechanism and is used for receiving each current navigation position;
the real-time aerial photography mechanism is arranged at the bottom of the suspended aircraft and is used for carrying out high-altitude shooting operation on a mountain below the flying aircraft so as to obtain a corresponding high-altitude aerial photography image;
the content sharpening device is arranged in the suspended aircraft, connected with the real-time aerial photography mechanism and used for carrying out sharpening processing based on a Kirsch operator on the received image so as to obtain and output a corresponding content sharpened image;
the direction sharpening device is connected with the content sharpening device and is used for sequentially carrying out horizontal direction sharpening processing and vertical direction sharpening processing on the received content sharpened image so as to obtain and output a corresponding direction sharpened image;
the combined filtering device is connected with the direction sharpening device and is used for performing combined filtering processing on the received direction sharpened image so as to obtain and output a corresponding combined filtering image;
the data identification mechanism is connected with the combined filtering equipment and used for identifying a fire body imaging area from the combined filtering image based on fire body color imaging characteristics and acquiring each edge pixel point forming the fire body imaging area;
the distance analysis equipment is connected with the data identification mechanism and used for calculating the distance from the fire body entity edge corresponding to the edge pixel point which has positive correlation with the imaging depth of field to the suspended aircraft based on the imaging depth of field of each edge pixel point;
and the instruction analysis mechanism is connected with the distance analysis equipment and is used for sending a climbing control instruction when the distance from the fire body entity edge corresponding to a certain edge pixel point to the suspended aircraft is less than or equal to a preset distance threshold value.
In the alarm triggering system based on target position analysis:
and the position alarm mechanism is also used for sending a fire body far-away instruction when the pixel point at the central position of the combined filtering image is not in the fire body imaging area.
In the alarm triggering system based on target position analysis:
the position alarm mechanism is further used for sending out a fire body far-away instruction when the pixel point of the central position of the combined filtering image is in the fire body imaging area and the distance between the navigation position of the flying aircraft and any one current navigation position is larger than or equal to the preset distance threshold value.
In the alarm triggering system based on target position analysis:
the instruction analysis mechanism is further used for sending out a highly reliable instruction when the distance from the fire body entity edge corresponding to any edge pixel point to the flying aircraft is larger than the preset distance threshold value.
In the alarm triggering system based on target position analysis:
the direction sharpening device, the combined filtering device, the data identification mechanism, the distance analysis device and the instruction analysis mechanism are all arranged in a suspended aircraft.
The alarm triggering system based on the target position analysis can further comprise:
and the quartz oscillation mechanism is used for respectively providing different reference clock signals for the direction sharpening device, the combined filtering device, the data identification mechanism, the distance analysis device and the instruction analysis mechanism.
In addition, in the alarm triggering system based on the target position analysis, the FLASH memory chip is a nonvolatile memory, and a memory cell block called a block can be erased and reprogrammed. The write operation of any FLASH device can only be performed in empty or erased cells, so in most cases, the erase must be performed before the write operation can be performed. While it is simple for a NAND device to perform an erase operation, NOR requires that all bits in the target block be written to 0 before an erase can be performed. Since erasing NOR devices is performed in blocks of 64-128 KB, the time for performing a write/erase operation is 5s, whereas erasing NAND devices is performed in blocks of 8-32 KB, which requires only 4ms at most to perform the same operation. The difference in block size when performing erasures further increases the performance gap between NOR and NADN, and statistics show that for a given set of write operations (especially when updating small files), more erase operations must be performed in NOR-based cells.
It should be understood that portions of the present invention may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
It will be understood by those skilled in the art that all or part of the steps carried by the method for implementing the above embodiments may be implemented by hardware related to instructions of a program, which may be stored in a computer readable storage medium, and when the program is executed, the program includes one or a combination of the steps of the method embodiments.
The storage medium mentioned above may be a read-only memory, a magnetic or optical disk, etc. Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (6)
1. An alarm triggering system based on target location analysis, the system comprising:
the data gathering mechanism is arranged at the far end of the monitored mountain body and used for acquiring the current navigation position of each person from the satellite navigation equipment of each person handheld terminal in the mountain body through a wireless communication link;
the data gathering mechanism is also used for acquiring the current navigation position of each facility from the satellite navigation equipment of each facility in the mountain through a wireless communication link;
the running control mechanism is arranged in the suspended aircraft, is connected with the instruction analysis mechanism and is used for automatically controlling the suspended aircraft to climb until the climbing control instruction is not received any more when the climbing control instruction is received;
the position alarm mechanism is respectively connected with the data collection mechanism, the data identification mechanism and the navigator of the suspended aircraft and is used for sending a fire body approaching instruction when a pixel point at the central position of the received combined filtering image is in a fire body imaging area and the distance between the navigation position of the suspended aircraft and a certain current navigation position is lower than a preset distance threshold value;
the FLASH storage chip is connected with the data collecting mechanism and is used for receiving each current navigation position;
the real-time aerial photography mechanism is arranged at the bottom of the suspended aircraft and is used for carrying out high-altitude shooting operation on a mountain below the flying aircraft so as to obtain a corresponding high-altitude aerial photography image;
the content sharpening device is arranged in the suspended aircraft, connected with the real-time aerial photography mechanism and used for carrying out sharpening processing based on a Kirsch operator on the received image so as to obtain and output a corresponding content sharpened image;
the direction sharpening device is connected with the content sharpening device and is used for sequentially carrying out horizontal direction sharpening processing and vertical direction sharpening processing on the received content sharpened image so as to obtain and output a corresponding direction sharpened image;
the combined filtering device is connected with the direction sharpening device and is used for performing combined filtering processing on the received direction sharpened image so as to obtain and output a corresponding combined filtering image;
the data identification mechanism is connected with the combined filtering equipment and used for identifying a fire body imaging area from the combined filtering image based on fire body color imaging characteristics and acquiring each edge pixel point forming the fire body imaging area;
the distance analysis equipment is connected with the data identification mechanism and used for calculating the distance from the fire body entity edge corresponding to the edge pixel point which has positive correlation with the imaging depth of field to the suspended aircraft based on the imaging depth of field of each edge pixel point;
and the instruction analysis mechanism is connected with the distance analysis equipment and is used for sending a climbing control instruction when the distance from the fire body entity edge corresponding to a certain edge pixel point to the suspended aircraft is less than or equal to a preset distance threshold value.
2. The alarm triggering system based on target location analysis of claim 1, wherein:
and the position alarm mechanism is also used for sending a fire body far-away instruction when the pixel point at the central position of the combined filtering image is not in the fire body imaging area.
3. The alarm triggering system based on target location analysis of claim 2, wherein:
the position alarm mechanism is further used for sending out a fire body far-away instruction when the pixel point of the central position of the combined filtering image is in the fire body imaging area and the distance between the navigation position of the flying aircraft and any one current navigation position is larger than or equal to the preset distance threshold value.
4. The alarm triggering system based on target location analysis of claim 3, wherein:
the instruction analysis mechanism is further used for sending out a highly reliable instruction when the distance from the fire body entity edge corresponding to any edge pixel point to the flying aircraft is larger than the preset distance threshold value.
5. The alarm triggering system based on target location analysis of claim 4, wherein:
the direction sharpening device, the combined filtering device, the data identification mechanism, the distance analysis device and the instruction analysis mechanism are all arranged in a suspended aircraft.
6. The target location analysis-based alarm triggering system of claim 5, wherein the system further comprises:
and the quartz oscillation mechanism is used for respectively providing different reference clock signals for the direction sharpening device, the combined filtering device, the data identification mechanism, the distance analysis device and the instruction analysis mechanism.
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| CN111143585A (en) * | 2019-04-11 | 2020-05-12 | 王晓东 | Automatic big data sorting method |
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2020
- 2020-10-29 CN CN202011178414.5A patent/CN112837497B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11283144A (en) * | 1998-03-31 | 1999-10-15 | Nohmi Bosai Ltd | Method and device for detecting position of fire source |
| CN107469266A (en) * | 2017-08-31 | 2017-12-15 | 刘君 | Rental housing extinguishing device, extinguishing method and fire extinguishing system |
| CN109911187A (en) * | 2017-12-13 | 2019-06-21 | 张勇 | A kind of full-automatic aircraft |
| CN110636100A (en) * | 2019-04-02 | 2019-12-31 | 宋秀梅 | Network downloading mechanism and method based on data identification |
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