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A method and device for generating a fire situation map

A situation map, fire situation technology, applied in the field of image processing, can solve the problem of unable to generate fire situation map and so on

Active Publication Date: 2020-07-07
YUNNAN POWER GRID CO LTD ELECTRIC POWER RES INST
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a method and device for generating a fire situation map, which can solve the problem that the fire situation map cannot be generated according to the remote sensing multispectral image of the drone

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  • A method and device for generating a fire situation map
  • A method and device for generating a fire situation map
  • A method and device for generating a fire situation map

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Embodiment Construction

[0024] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0025] On the one hand, an embodiment of the present invention provides a method for generating a fire situation map, such as figure 1 As shown, the method includes:

[0026] S101. Acquire an infrared image and a visible light image.

[0027] A fire is a burning that is out of control in time or space. At different time points, the burning situation of the fire will change greatly, so when shooting images of the fire scene, it is necessary to record the shooting ti...

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Abstract

The invention discloses a method and device for generating a fire situation map, which relates to the technical field of image processing. It is invented to solve the problem of being unable to generate a fire situation map based on UAV remote sensing multispectral images. The main method of the present invention includes: Obtain infrared images and visible light images; convert the infrared image into an infrared pseudo-orthophoto and convert the visible light image into a visible light pseudo-orthophoto according to the perspective projection transformation model; calculate based on the UAV attitude parameters and camera imaging parameters at the shooting time Each pixel of the infrared image and visible light image has a mapping relationship corresponding to the actual terrain; according to the mapping relationship, the infrared pseudo-orthophoto and the visible light pseudo-orthophoto are corrected to obtain the infrared orthophoto and the visible light orthophoto; the infrared orthophoto is The camera images and visible light orthophotos are fused to generate a fire situation map. The invention is mainly used in the process of generating fire situation diagrams.

Description

technical field [0001] The invention relates to the technical field of image processing, in particular to a method and device for generating a fire situation map. Background technique [0002] As the application of drones in the field of power inspection has been more and more recognized, the use of drones to carry out special patrols for transmission line mountain fire emergency has become an effective means of disaster monitoring. When drones conduct line-finding mountain fire monitoring, in order to be able to intuitively display the fire situation information, it is necessary to make full use of different spectral information data of the fire scene, and perform post-processing to form visual information, that is, the fire situation map, so as to facilitate the intuitive grasp of the fire scene information. [0003] The amount of data captured by drones is huge, there are so many pictures, and the difference between multi-spectral photos is difficult to distinguish manua...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T3/00G06T11/00G06T17/05
CPCG06T11/001G06T17/05G06T2207/10048G06T2207/30181G06T3/06
Inventor 王山于虹马仪
Owner YUNNAN POWER GRID CO LTD ELECTRIC POWER RES INST