CN106875096B - Earthquake house loss evaluation system - Google Patents
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Abstract
The invention provides an earthquake house loss evaluation system.A earthquake evaluation server comprises first satellite aerial photography information, second satellite aerial photography information, a picture data exchange module and a house loss evaluation unit; the mobile rescue terminal comprises a communication device, a positioning device and a picture shooting device, and is associated with the earthquake evaluation server through the communication device; the mobile rescue terminal obtains shot pictures of the surrounding environment through the picture shooting device, after the picture data exchange module is started, the adjacent mobile rescue terminals synthesize the shot pictures into a synthesized picture and send the synthesized picture to the earthquake evaluation server; and the earthquake evaluation server is synthesized into a building stereogram again through the synthetic photo and the second satellite aerial photography information, and the earthquake evaluation server obtains a loss evaluation result according to the building stereogram and the first satellite aerial photography information. The earthquake house loss evaluation system has the advantages of accurate and timely disaster analysis and strong guidance for making a subsequent rescue scheme.
Description
Technical Field
The invention relates to a method and a system for evaluating loss caused by an earthquake, in particular to an earthquake house loss evaluation system.
Background
After an earthquake disaster occurs, a rescue and relief department needs to know the disaster situation of a disaster area at the first time and make timely and effective evaluation on casualties and property loss so as to provide information support for timely distribution and in-place of subsequent rescue schemes and relief resources; the existing house loss investigation needs emergency rescue, and then is respectively counted and summarized by local governments and administrative units at all levels, so that the method has long hysteresis, and influences on the timely effectiveness of disaster relief and the accurate allocation of resources.
Disclosure of Invention
The object of the invention is: in order to solve the problems in the prior art, the invention aims to provide an evaluation system which can accurately evaluate house loss caused by an earthquake in time at the first time after the disaster, and the evaluation system can further analyze and obtain various important information such as property loss evaluation, casualty evaluation, dangerous place marking, rescue scheme making, evacuation area guidance, rescue channel guidance and the like according to the evaluation result of the house loss.
The technical scheme is as follows: an earthquake house loss evaluation system comprising:
the earthquake evaluation server comprises first satellite aerial photography information, second satellite aerial photography information, a picture data exchange module and a house loss evaluation unit, wherein the first satellite aerial photography information stores a satellite aerial photography image shot periodically in an earthquake area, and the second satellite aerial photography information is a satellite aerial photography image shot according to earthquake emergency signals;
the method comprises the steps that a house loss evaluation unit divides earthquake areas in first satellite aerial photography information and second satellite aerial photography information into a plurality of disaster relief areas, wherein the disaster relief areas comprise geographical position information;
the mobile rescue terminal comprises a communication device, a positioning device and a picture shooting device, and is associated with the earthquake evaluation server through the communication device;
the earthquake evaluation server obtains the spacing distance between adjacent mobile rescue terminals through a positioning device of the mobile rescue terminal, and starts or closes the picture data exchange module according to the spacing distance;
the mobile rescue terminal obtains shot pictures of the surrounding environment through the picture shooting device, after the picture data exchange module is started, the adjacent mobile rescue terminals synthesize the shot pictures into a synthesized picture and send the synthesized picture to the earthquake evaluation server;
and the earthquake evaluation server is synthesized into a building stereogram again through the synthetic photo and the second satellite aerial photography information, and the earthquake evaluation server obtains a loss evaluation result according to the building stereogram and the first satellite aerial photography information.
Preferably, the disaster relief area comprises a town area, a rural area, an industrial area and a non-gathering area.
Preferably, the disaster relief area comprises an area of 1-2 kilometers, an area of 2-4 kilometers, an area of 4-6 kilometers and an area of 6-10 kilometers.
Preferably, the disaster relief area comprises a river area, a mountain area and a plain area.
Preferably, the positioning device of the mobile rescue terminal sends the position information of the mobile rescue terminal to the earthquake evaluation server in real time.
Preferably, the earthquake evaluation server starts the picture data exchange module and simultaneously feeds back the starting signal to the adjacent mobile rescue terminal triggering the starting signal.
Preferably, the spacing distance is a linear distance or a horizontal distance between adjacent mobile rescue terminals.
Preferably, the separation distance includes an activation threshold and a deactivation threshold, when the separation distance increases to the activation threshold, the earthquake evaluation server activates the image data exchange module, and when the separation distance increases to the deactivation threshold, the earthquake evaluation server deactivates the image data exchange module.
Preferably, the starting threshold is in the range of 5-10m, and the closing threshold is in the range of 20-100 m.
Preferably, after the mobile rescue terminal enters a disaster relief area, the earthquake evaluation server sends a shooting starting signal to the mobile rescue terminal, and the shooting starting signal opens the picture shooting device and enables the earthquake evaluation server to obtain the shot picture information.
Preferably, after a mobile rescue terminal enters a certain disaster relief area, the earthquake evaluation server gives a disaster relief information identifier to the mobile rescue terminal, wherein the disaster relief information identifier comprises a disaster relief area number and a mobile terminal number.
Preferably, the mobile rescue terminal automatically covers the previous disaster relief information identifier after acquiring the disaster relief information identifier.
Preferably, the numbers of the mobile terminals are arranged according to the entering time sequence of the mobile rescue terminal.
Preferably, the first satellite aerial photography information and the second satellite aerial photography information include scale information, and the house loss evaluation unit of the earthquake evaluation server calculates the house damage area of each disaster relief area according to the first satellite aerial photography information, the second satellite aerial photography information and the building stereogram.
Preferably, the earthquake evaluation server calculates the estimated casualty number in the disaster area according to the estimated area of the house damage in the disaster area.
Preferably, the earthquake evaluation server calculates the estimated number of property losses in the disaster area according to the estimated area of house damage in the disaster area.
Preferably, the earthquake evaluation server further comprises a color labeling module, and the color labeling module classifies damage conditions of the building and marks colors according to the first satellite aerial photography information, the second satellite aerial photography information and the building stereogram.
Preferably, the earthquake evaluation server makes a safe evacuation map and a rescue route map according to the color marking module.
Preferably, the mobile rescue terminal is arranged on a rescue helmet, the rescue helmet further comprises a battery, a communication module and a radiation-proof lining, the picture shooting device comprises cameras arranged in four directions, namely front, back, left and right, the shooting wide angle of each camera is larger than 90 degrees, and each camera comprises a high-light-sensitive image sensor.
Preferably, the picture shooting device of the mobile rescue terminal further comprises an automatic identification module, the automatic identification module comprises a color identification module and an angle adjustment device arranged at the bottom of the picture shooting device, and the angle adjustment device identifies a large-range color region according to the color identification module and controls the angle adjustment device to turn to the large-range color region.
Preferably, a distance measuring sensor is arranged in each mobile rescue terminal, and a linear distance is measured between adjacent mobile rescue terminals through the distance measuring sensor and a measuring result is sent to the earthquake evaluation server.
Preferably, the positioning device in the mobile rescue terminal comprises a three-dimensional monitoring module.
Preferably, the photographing time of the picture photographing device in the mobile rescue terminal is controlled by a time relay.
Preferably, the mobile rescue terminal further comprises a voice playing module, the earthquake evaluation server further comprises a feedback module, and feedback information of the feedback module is sent to the voice playing module and played.
Preferably, the feedback information includes dangerous position information labeled according to the first satellite aerial photography information, and the dangerous position information includes: radioactive substance storage points, chemical storage points, combustible storage points and explosive storage points.
Preferably, the feedback information includes dangerous position information labeled according to the second satellite aerial photography information, and the dangerous position information includes: high-rise building position information, large-area collapse building position information, mountain landslide position information and barrier lake position information.
Preferably, the feedback information includes support information sent to other mobile rescue terminals when a large-area building collapses according to the synthetic photo feedback.
Preferably, the mobile rescue terminal further comprises a voice recording module, the earthquake evaluation server further comprises a voice labeling module, the voice recording module records voice information, the voice information is sent to the earthquake evaluation server and is labeled by the voice labeling module
An earthquake house loss evaluation method comprises the following steps:
the method comprises the following steps: the earthquake evaluation server stores first satellite aerial photographing information shot periodically, and receives and stores second satellite aerial photographing information shot in emergency after receiving earthquake emergency signals;
step two: the earthquake evaluation server divides the earthquake area in the first satellite aerial photography information and the second satellite aerial photography information into a plurality of disaster relief areas according to the earthquake emergency signal;
step three: after the mobile rescue terminal enters a disaster relief area, the earthquake evaluation server starts a picture shooting device of the mobile rescue terminal and obtains a shot picture;
step four: when the mobile rescue terminal enters a disaster relief area, the earthquake evaluation server endows the mobile rescue terminal with a disaster relief information identifier, and the disaster relief information identifier comprises a disaster relief area number and a mobile terminal number;
step five: the earthquake evaluation server obtains the spacing distance between the adjacent mobile rescue terminals through the positioning devices of the mobile rescue terminals, when the spacing distance is larger than a starting threshold value, the earthquake evaluation server starts a picture data exchange module, and the adjacent mobile rescue terminals synthesize the shot pictures into a synthesized picture and send the synthesized picture to the earthquake evaluation server;
step six: the earthquake evaluation server acquires the side photo information of the building stereogram in the disaster-rescuing area through the synthetic photo, acquires the top photo information of the building stereogram in the disaster-rescuing area according to the second satellite aerial photo information, and synthesizes the synthetic photo and the second satellite aerial photo information into the building stereogram;
step seven: and the earthquake evaluation server evaluates the loss of the disaster relief area through the synthesized building stereogram in the disaster relief area and obtains a loss evaluation result.
(III) the beneficial effects are as follows: the earthquake house loss evaluation system provided by the invention has the following advantages: the method comprises the steps that a mobile rescue terminal arranged on a rescue helmet feeds back photos of buildings around rescuers in real time, the photos shot by adjacent or adjacent mobile rescue terminals are used for making a synthetic photo, the synthetic photo and second satellite aerial photography information are synthesized into a building stereogram in a disaster rescue area again, the building loss caused by an earthquake can be accurately evaluated through the building stereogram, and various important information such as property loss evaluation, casualty evaluation, dangerous place marking, rescue scheme making, evacuation area guiding, rescue channel guiding and the like can be obtained through analysis according to the evaluation result. The disaster situation analysis is accurate and timely, the subsequent rescue scheme formulation guidance is strong, and the problems of untimely rescue, unreasonable rescue resource allocation, secondary injury of rescuers and the like caused by unclear disaster situation analysis are effectively avoided.
Drawings
FIG. 1 is a schematic diagram of first satellite aerial information for the ith disaster relief area in the earthquake house loss assessment system of the present invention;
FIG. 2 is a schematic diagram of second satellite aerial information for the seismic home loss assessment system of the present invention;
fig. 3 is a schematic diagram of the mobile rescue device of the earthquake house loss evaluation system in the i-th disaster relief area.
1-seismic source; 2-town area; 3-rural area; 4-river area; 10-a trunk road area; 11-a building area; 12-a surface facility area; 13-area for greening.
Detailed Description
The present invention will be described in further detail with reference to preferred embodiments, and more details are set forth in the following description in order to provide a thorough understanding of the present invention, but it is apparent that the present invention can be embodied in many other forms different from the description herein and can be similarly generalized and deduced by those skilled in the art based on the practical application without departing from the spirit of the present invention, and therefore, the scope of the present invention should not be limited by the contents of this detailed embodiment.
Fig. 1-3 are schematic diagrams of embodiments of the present invention, and it should be noted that the drawings are provided by way of example only and are not to scale, and should not be construed as limiting the true scope of the invention.
The first embodiment is as follows: in this embodiment, an earthquake house loss evaluation system includes:
the earthquake evaluation server comprises first satellite aerial photography information, second satellite aerial photography information, a picture data exchange module and a house loss evaluation unit, wherein the first satellite aerial photography information stores a satellite aerial photography image which is periodically shot in an earthquake area, the second satellite aerial photography information is a satellite aerial photography image shot according to earthquake emergency signals, and the second satellite aerial photography information is adjusted to the direction of the earthquake source area 1 according to the earthquake emergency signals and shoots a satellite aerial photography image in a certain range around the earthquake source area 1, as shown in fig. 2;
the method comprises the steps that a house loss evaluation unit divides earthquake areas in first satellite aerial photography information and second satellite aerial photography information into a plurality of disaster relief areas, wherein the disaster relief areas comprise geographical position information;
the method for dividing the disaster relief area by the house loss evaluation unit comprises the following steps: dividing according to population aggregation types, wherein the disaster relief area comprises a town area 2, a rural area 3, an industrial area and a non-aggregation area; dividing according to the distance from a seismic source to a seismic source, wherein the disaster relief area comprises an area of 1-2 kilometers, an area of 2-4 kilometers, an area of 4-6 kilometers and an area of 6-10 kilometers; and the disaster relief area comprises a river area 4, a mountain area and a plain area according to the geographical position division.
As shown in fig. 2, the disaster relief area can be divided into a town area 2, a rural area 3 and a river area 4.
The mobile rescue terminal comprises a communication device, a positioning device and a picture shooting device, and is associated with the earthquake evaluation server through the communication device;
after the mobile rescue terminal enters a disaster relief area, the earthquake evaluation server sends a shooting starting signal to the mobile rescue terminal, the shooting starting signal turns on a picture shooting device and enables an earthquake evaluation server to obtain shot picture information, a positioning device of the mobile rescue terminal sends position information of the mobile rescue terminal to the earthquake evaluation server in real time, the earthquake evaluation server obtains the spacing distance between adjacent mobile rescue terminals through the positioning device of the mobile rescue terminal, the earthquake evaluation server starts or closes a picture data exchange module according to the spacing distance, the spacing distance comprises a starting threshold value and a closing threshold value, when the spacing distance is increased to the starting threshold value, the earthquake evaluation server starts the picture data exchange module, when the spacing distance is increased to a closing threshold value, the earthquake evaluation server closes the picture data exchange module; the interval distance is a linear distance or a horizontal distance between adjacent mobile rescue terminals, when one mobile rescue terminal enters a certain disaster relief area, the earthquake evaluation server gives disaster relief information identification to the mobile rescue terminal, and the disaster relief information identification comprises a disaster relief area number and a mobile terminal number.
Preferably, the mobile rescue terminal automatically covers the previous disaster relief information identifier after acquiring the disaster relief information identifier.
Preferably, the numbers of the mobile terminals are arranged according to the entering time sequence of the mobile rescue terminal.
The mobile rescue terminal obtains a shot picture of the surrounding environment through the picture shooting device, the earthquake evaluation server starts the picture data exchange module and simultaneously feeds back a starting signal to the adjacent mobile rescue terminal triggering the starting signal, and after the picture data exchange module is started, the adjacent mobile rescue terminal synthesizes the shot picture into a synthesized picture and sends the synthesized picture to the earthquake evaluation server;
preferably, the starting threshold is in the range of 5-10m, and the closing threshold is in the range of 20-100 m.
And the earthquake evaluation server is synthesized into a building stereogram again through the synthetic photo and the second satellite aerial photography information, and the earthquake evaluation server obtains a loss evaluation result according to the building stereogram and the first satellite aerial photography information.
Building photos around rescue workers are fed back in real time through the mobile rescue terminal arranged on the rescue helmet, the synthetic photos are made through the photos shot by the adjacent or nearby mobile rescue terminal, the synthetic photos and the second satellite aerial photography information are synthesized into a building stereogram in the disaster relief area again, and the house loss caused by the earthquake can be accurately evaluated through the building stereogram.
Example two: the method comprises the steps that a house loss evaluation unit divides a disaster relief area into a town area 2, a rural area 3, an industrial area and a non-gathering area according to population gathering types, the town area 2 is divided into a plurality of unit areas according to a main street, as shown in figure 1, when a certain mobile rescue terminal enters an ith disaster relief area, an earthquake evaluation server sends a disaster relief information identifier to the mobile terminal, and the disaster relief information identifier comprises a disaster relief area number and a mobile terminal number in the disaster relief area;
when the mobile rescue terminal enters an ith rescue area, the earthquake evaluation server sends a shooting starting signal to a picture shooting device of the mobile rescue terminal, and the picture shooting device starts a shooting function;
as shown in fig. 3, the ith disaster relief area sequentially enters an x-th mobile rescue terminal, an (x +1) -th mobile rescue terminal, an (x +2) -th mobile rescue terminal and an (x +3) -th mobile rescue terminal, the earthquake evaluation server comprises a picture data exchange module, and the earthquake evaluation server determines that the distance between the x-th mobile rescue terminal and the (x +1) -th mobile rescue terminal in the ith disaster relief area is L according to the positioning devicex+1The distance between the (x +1) th mobile rescue terminal and the (x +2) th mobile rescue terminal is Lx+2The distance between the (x +2) th mobile rescue terminal and the (x +3) th mobile rescue terminal is Lx+3；
When L isx+1<When the threshold value a is started, the x-th mobile rescue terminal and the (x +1) -th mobile rescue terminal respectively send the shot pictures to an earthquake evaluation server;
when the threshold b is turned off>Lx+1>When the threshold value is started, a picture data exchange module between the x-th mobile rescue terminal and the (x +1) -th mobile rescue terminal is started, and the x-th mobile rescue terminal sends the shot picture to the (x +1) -th mobile rescue terminalThe (x +1) th mobile rescue terminal synthesizes the two taken pictures into an (x +1) th synthesized picture, the (x +1) th mobile rescue terminal sends the (x +1) th synthesized picture to the earthquake evaluation server, and as the x-th mobile rescue terminal enters the ith disaster relief area firstly, the x-th mobile rescue terminal takes a picture of a building earlier, so the x-th mobile rescue terminal sends the taken picture to the (x +1) th mobile rescue terminal;
when the threshold b is turned off>Lx+2>When a is started, starting a picture data exchange module between an (x +1) th mobile rescue terminal and an (x +2) th mobile rescue terminal, sending a shot picture to the (x +2) th mobile rescue terminal by the (x +1) th mobile rescue terminal, synthesizing the two shot pictures into an (x +2) th synthesized picture by the (x +2) th mobile rescue terminal, and sending the (x +2) th synthesized picture to an earthquake evaluation server by the (x +2) th mobile rescue terminal;
when the threshold b is turned off>Lx+3>When a is started, starting a picture data exchange module between an (x +2) th mobile rescue terminal and an (x +3) th mobile rescue terminal, sending a shot picture to the (x +3) th mobile rescue terminal by the (x +2) th mobile rescue terminal, synthesizing the two shot pictures into an (x +3) th synthesized picture by the (x +3) th mobile rescue terminal, and sending the (x +3) th synthesized picture to an earthquake evaluation server by the (x +3) th mobile rescue terminal;
and the house loss evaluation unit of the earthquake evaluation server carries out comprehensive evaluation according to the first satellite aerial photography information, the second satellite aerial photography information, the (x +1) th synthetic picture, the (x +2) th synthetic picture and the (x +3) th synthetic picture to obtain a loss evaluation result.
Example three: the method comprises the steps that a house loss evaluation unit divides a disaster relief area into a town area 2, a rural area 3, an industrial area and a non-gathering area according to population gathering types, the town area 2 is divided into a plurality of unit areas according to a main street, as shown in figure 1, when a certain mobile rescue terminal enters an ith disaster relief area, an earthquake evaluation server sends a disaster relief information identifier to the mobile terminal, and the disaster relief information identifier comprises a disaster relief area number and a mobile terminal number in the disaster relief area;
when the mobile rescue terminal enters an ith rescue area, the earthquake evaluation server sends a shooting starting signal to a picture shooting device of the mobile rescue terminal, and the picture shooting device starts a shooting function;
as shown in fig. 3, the ith disaster relief area sequentially enters an x-th mobile rescue terminal, an (x +1) -th mobile rescue terminal, an (x +2) -th mobile rescue terminal and an (x +3) -th mobile rescue terminal, the earthquake evaluation server comprises a picture data exchange module, and the earthquake evaluation server determines that the distance between the x-th mobile rescue terminal and the (x +1) -th mobile rescue terminal in the ith disaster relief area is L according to the positioning devicex+1The distance between the (x +1) th mobile rescue terminal and the (x +2) th mobile rescue terminal is Lx+2The distance between the (x +2) th mobile rescue terminal and the (x +3) th mobile rescue terminal is Lx+3；
The x mobile rescue terminal firstly enters the i disaster relief area, the (x +1) mobile rescue subsequently enters, and when the threshold value b is closed>Lx+1>When the threshold value a is started, a picture data exchange module between an x-th mobile rescue terminal and an (x +1) -th mobile rescue terminal is started, the x-th mobile rescue terminal sends a shot picture to the (x +1) -th mobile rescue terminal, and the (x +1) -th mobile rescue terminal synthesizes the two shot pictures into an (x +1) -th synthesized picture;
then the (x +2) th mobile rescue enters later, when the threshold b is closed>Lx+2>When the threshold value a is started, a picture data exchange module between the (x +1) th mobile rescue terminal and the (x +2) th mobile rescue terminal is started, the (x +1) th mobile rescue terminal sends the (x +1) th synthetic picture to the (x +2) th mobile rescue terminal, and the (x +2) th mobile rescue terminal synthesizes the two taken pictures into the (x +2) th synthetic picture;
then the (x +3) th mobile rescue enters later, when the threshold b is closed>Lx+3>When the threshold value a is started, a picture data exchange module between the (x +2) th mobile rescue terminal and the (x +3) th mobile rescue terminal is started, the (x +2) th mobile rescue terminal sends the (x +2) th synthetic picture to the (x +3) th mobile rescue terminal, and the (x +3) th mobile rescue terminal synthesizes the two taken pictures into the (x +3) th synthetic picture;
when L isx+3>Time T for closing threshold bx+3<Sending threshold t0When the mobile rescue terminal is in the waiting state, the (x +3) th mobile rescue terminal keeps the waiting state;
when L isx+3>Time T for closing threshold bx+3>Sending threshold t0When the mobile rescue terminal (x +3) is in use, the (x +3) th synthetic picture is defined as the ith synthetic picture, and the ith synthetic picture is sent to the earthquake evaluation server;
and the house loss evaluation unit of the earthquake evaluation server carries out comprehensive evaluation according to the first satellite aerial photography information, the second satellite aerial photography information and the ith synthetic picture to obtain a loss evaluation result.
Example four: as shown in fig. 1, the ith disaster relief area includes a trunk road area 10, a building area 11, a ground surface facility area 12, and a green area 13, when the mobile rescue terminal enters the ith disaster relief area, the earthquake evaluation server sends a shooting start signal to a picture shooting device of the mobile rescue terminal, the picture shooting device starts a shooting function, the picture shooting device identifies and shoots objects above 1 meter on the ground surface through a height identification module, and can basically filter out the ground, the trunk road, the ground surface facility and green plants to identify buildings in the building area 11, so as to shoot a shot picture with a main value for disaster evaluation.
Example five: the first satellite aerial photography information and the second satellite aerial photography information comprise scale information, and a house loss evaluation unit of the earthquake evaluation server calculates house damage areas of the disaster relief areas according to the first satellite aerial photography information, the second satellite aerial photography information and the building stereogram.
Preferably, the earthquake evaluation server calculates the estimated casualty number in the disaster area according to the estimated area of the house damage in the disaster area.
Preferably, the earthquake evaluation server calculates the estimated number of property losses in the disaster area according to the estimated area of house damage in the disaster area.
Example six: the earthquake evaluation server also comprises a color marking module, and the color marking module classifies the damage condition of the building and marks the color according to the first satellite aerial photography information, the second satellite aerial photography information and the building stereogram.
Preferably, the earthquake evaluation server makes a safe evacuation map and a rescue route map according to the color marking module.
Example seven: the mobile rescue terminal is arranged on the rescue helmet, the rescue helmet further comprises a battery, a communication module and a radiation-proof lining, the picture shooting device comprises cameras arranged in four directions, namely a front direction, a rear direction, a left direction and a right direction, the shooting wide angle of each camera is larger than 90 degrees, and each camera comprises a high-light-sensitive image sensor.
Preferably, the picture shooting device of the mobile rescue terminal further comprises an automatic identification module, the automatic identification module comprises a color identification module and an angle adjustment device arranged at the bottom of the picture shooting device, and the angle adjustment device identifies a large-range color region according to the color identification module and controls the angle adjustment device to turn to the large-range color region.
Preferably, a distance measuring sensor is arranged in each mobile rescue terminal, and a linear distance is measured between adjacent mobile rescue terminals through the distance measuring sensor and a measuring result is sent to the earthquake evaluation server.
Preferably, the mobile rescue terminal further comprises a voice playing module, the earthquake evaluation server further comprises a feedback module, and feedback information of the feedback module is sent to the voice playing module and played.
Preferably, the feedback information includes dangerous position information labeled according to the first satellite aerial photography information, and the dangerous position information includes: radioactive substance storage points, chemical storage points, combustible storage points and explosive storage points.
Preferably, the feedback information includes dangerous position information labeled according to the second satellite aerial photography information, and the dangerous position information includes: high-rise building position information, large-area collapse building position information, mountain landslide position information and barrier lake position information.
Preferably, the feedback information includes support information sent to other mobile rescue terminals when a large-area building collapses according to the synthetic photo feedback.
Preferably, the mobile rescue terminal further comprises a voice recording module, the earthquake evaluation server further comprises a voice labeling module, the voice recording module records voice information, and the voice information is sent to the earthquake evaluation server and labeled by the voice labeling module.
Example eight: in a preferred real-time example, the positioning device in the mobile rescue terminal comprises a three-dimensional monitoring module, namely the three-dimensional space position of the mobile rescue terminal can be monitored, the position fed back by the three-dimensional monitoring module also comprises a height position, the mobile rescue terminal can be conveniently indicated to shoot building pictures from various angles as far as possible, the building pictures are shot from various heights, the effect of the shot pictures is better, and the building stereogram obtained by the earthquake evaluation server is more accurate and complete.
Example nine: in a preferred real-time example, the shooting time of the picture shooting device in the mobile rescue terminal is controlled by a time relay, and the shooting time interval of the picture shooting device is controlled, such as once shooting for 5s, 10s, 20s, 30s and the like, so that the number of pictures to be shot is reduced, and the workload of synthesizing the pictures by the mobile rescue terminal is reduced.
Example ten: an earthquake house loss evaluation method comprises the following steps:
the method comprises the following steps: the earthquake evaluation server stores first satellite aerial photographing information shot periodically, and receives and stores second satellite aerial photographing information shot in emergency after receiving earthquake emergency signals;
step two: the earthquake evaluation server divides the earthquake area in the first satellite aerial photography information and the second satellite aerial photography information into a plurality of disaster relief areas according to the earthquake emergency signal;
step three: after the mobile rescue terminal enters a disaster relief area, the earthquake evaluation server starts a picture shooting device of the mobile rescue terminal and obtains a shot picture;
step four: when the mobile rescue terminal enters a disaster relief area, the earthquake evaluation server endows the mobile rescue terminal with a disaster relief information identifier, and the disaster relief information identifier comprises a disaster relief area number and a mobile terminal number;
step five: the earthquake evaluation server obtains the spacing distance between the adjacent mobile rescue terminals through the positioning devices of the mobile rescue terminals, when the spacing distance is larger than a starting threshold value, the earthquake evaluation server starts a picture data exchange module, and the adjacent mobile rescue terminals synthesize the shot pictures into a synthesized picture and send the synthesized picture to the earthquake evaluation server;
step six: the earthquake evaluation server acquires the side photo information of the building stereogram in the disaster-rescuing area through the synthetic photo, acquires the top photo information of the building stereogram in the disaster-rescuing area according to the second satellite aerial photo information, and synthesizes the synthetic photo and the second satellite aerial photo information into the building stereogram;
step seven: and the earthquake evaluation server evaluates the loss of the disaster relief area through the synthesized building stereogram in the disaster relief area and obtains a loss evaluation result.
The earthquake house loss evaluation system can also analyze and obtain a plurality of important information such as property loss evaluation, casualty evaluation, dangerous place marking, rescue scheme formulation, evacuation area guidance, rescue channel guidance and the like according to the evaluation result. The disaster situation analysis is accurate and timely, the subsequent rescue scheme formulation guidance is strong, and the problems of untimely rescue, unreasonable rescue resource allocation, secondary injury of rescuers and the like caused by unclear disaster situation analysis are effectively avoided.
The above description is provided for the purpose of illustrating the preferred embodiments of the present invention and will assist those skilled in the art in more fully understanding the technical solutions of the present invention. However, these examples are merely illustrative, and the embodiments of the present invention are not to be considered as being limited to the description of these examples. For those skilled in the art to which the invention pertains, several simple deductions and changes can be made without departing from the inventive concept, and all should be considered as falling within the protection scope of the invention.
Claims (10)
1. An earthquake house loss evaluation system, comprising:
the earthquake evaluation server comprises first satellite aerial photography information, second satellite aerial photography information, a picture data exchange module and a house loss evaluation unit, wherein the first satellite aerial photography information stores a satellite aerial photography image shot periodically in an earthquake area, and the second satellite aerial photography information is a satellite aerial photography image shot according to earthquake emergency signals;
the method comprises the steps that a house loss evaluation unit divides earthquake areas in first satellite aerial photography information and second satellite aerial photography information into a plurality of disaster relief areas, wherein the disaster relief areas comprise geographical position information;
the mobile rescue terminal comprises a communication device, a positioning device and a picture shooting device, and is associated with the earthquake evaluation server through the communication device;
the earthquake evaluation server obtains the spacing distance between adjacent mobile rescue terminals through a positioning device of the mobile rescue terminal, and starts or closes the picture data exchange module according to the spacing distance;
the mobile rescue terminal obtains shot pictures of the surrounding environment through the picture shooting device, after the picture data exchange module is started, the adjacent mobile rescue terminals synthesize the shot pictures into a synthesized picture and send the synthesized picture to the earthquake evaluation server;
and the earthquake evaluation server is synthesized into a building stereogram again through the synthetic photo and the second satellite aerial photography information, and the earthquake evaluation server obtains a loss evaluation result according to the building stereogram and the first satellite aerial photography information.
2. An earthquake house loss evaluation system as recited in claim 1, wherein: the disaster relief area comprises a town area, a rural area, an industrial area and a non-gathering area.
3. An earthquake house loss evaluation system as recited in claim 1, wherein: the interval distance comprises a starting threshold and a closing threshold, the starting threshold ranges from 5 m to 10m, the closing threshold ranges from 20 m to 100m, when the interval distance is increased to the starting threshold, the earthquake evaluation server starts the picture data exchange module, and when the interval distance is increased to the closing threshold, the earthquake evaluation server closes the picture data exchange module.
4. An earthquake house loss evaluation system as recited in claim 1, wherein: after the mobile rescue terminal enters a disaster relief area, the earthquake evaluation server sends a shooting starting signal to the mobile rescue terminal, and the shooting starting signal opens the picture shooting device and enables the earthquake evaluation server to obtain the shot picture information.
5. An earthquake house loss evaluation system as recited in claim 1, wherein: when a mobile rescue terminal enters a certain disaster relief area, the earthquake evaluation server gives disaster relief information identification to the mobile rescue terminal, wherein the disaster relief information identification comprises a disaster relief area number and a mobile terminal number.
6. An earthquake house loss evaluation system as recited in claim 1, wherein: the first satellite aerial photography information and the second satellite aerial photography information comprise scale information, and a house loss evaluation unit of the earthquake evaluation server calculates house damage areas of the disaster relief areas according to the first satellite aerial photography information, the second satellite aerial photography information and the building stereogram.
7. An earthquake house loss evaluation system as recited in claim 6, wherein: and the earthquake evaluation server calculates the estimated casualty number in the disaster rescue area according to the estimated area of the house damage in the disaster rescue area.
8. An earthquake house loss evaluation system as recited in claim 1, wherein: the mobile rescue terminal is arranged on the rescue helmet, the rescue helmet further comprises a battery, a communication module and a radiation-proof lining, the picture shooting device comprises cameras arranged in four directions, namely a front direction, a rear direction, a left direction and a right direction, the shooting wide angle of each camera is larger than 90 degrees, and each camera comprises a high-light-sensitive image sensor.
9. An earthquake house loss evaluation system as recited in claim 1, wherein: the mobile rescue terminal further comprises a voice playing module, the earthquake evaluation server further comprises a feedback module, and feedback information of the feedback module is sent to the voice playing module and played.
10. An earthquake house loss evaluation method is characterized by comprising the following steps:
the method comprises the following steps: the earthquake evaluation server stores first satellite aerial photographing information shot periodically, and receives and stores second satellite aerial photographing information shot in emergency after receiving earthquake emergency signals;
step two: the earthquake evaluation server divides the earthquake area in the first satellite aerial photography information and the second satellite aerial photography information into a plurality of disaster relief areas according to the earthquake emergency signal;
step three: after the mobile rescue terminal enters a disaster relief area, the earthquake evaluation server starts a picture shooting device of the mobile rescue terminal and obtains a shot picture;
step four: when the mobile rescue terminal enters a disaster relief area, the earthquake evaluation server endows the mobile rescue terminal with a disaster relief information identifier, and the disaster relief information identifier comprises a disaster relief area number and a mobile terminal number;
step five: the earthquake evaluation server obtains the spacing distance between the adjacent mobile rescue terminals through the positioning devices of the mobile rescue terminals, when the spacing distance is larger than a starting threshold value, the earthquake evaluation server starts a picture data exchange module, and the adjacent mobile rescue terminals synthesize the shot pictures into a synthesized picture and send the synthesized picture to the earthquake evaluation server;
step six: the earthquake evaluation server acquires the side photo information of the building stereogram in the disaster-rescuing area through the synthetic photo, acquires the top photo information of the building stereogram in the disaster-rescuing area according to the second satellite aerial photo information, and synthesizes the synthetic photo and the second satellite aerial photo information into the building stereogram;
step seven: and the earthquake evaluation server obtains a loss evaluation result by comparing the synthesized building stereogram with the first satellite aerial photography information.
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| CN108304809B (en) * | 2018-02-06 | 2020-03-27 | 清华大学 | Near real-time earthquake damage assessment method based on post-earthquake aerial image |
| CN110889620B (en) * | 2019-11-21 | 2020-07-31 | 成都星时代宇航科技有限公司 | Public opinion assisted task planning method and device and storage medium |
| CN113554345B (en) * | 2021-08-10 | 2023-04-18 | 山西省地震局 | Earthquake landslide disaster area and disaster chain risk assessment method |
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| WO2004113836A1 (en) * | 2003-06-20 | 2004-12-29 | Mitsubishi Denki Kabushiki Kaisha | Picked-up image display method |
| CN205581960U (en) * | 2016-04-20 | 2016-09-14 | 国家电网公司 | Natural disasters risk monitoring system based on satellite remote sensing image |
| CN106127791A (en) * | 2016-07-06 | 2016-11-16 | 武汉大学 | A kind of contour of building line drawing method of aviation remote sensing image |
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| WO2004113836A1 (en) * | 2003-06-20 | 2004-12-29 | Mitsubishi Denki Kabushiki Kaisha | Picked-up image display method |
| CN205581960U (en) * | 2016-04-20 | 2016-09-14 | 国家电网公司 | Natural disasters risk monitoring system based on satellite remote sensing image |
| CN106127791A (en) * | 2016-07-06 | 2016-11-16 | 武汉大学 | A kind of contour of building line drawing method of aviation remote sensing image |
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