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Finding method for static target based on latitude and longitude positioning and image registration

A still target and image registration technology, applied in the field of image processing, can solve the problems of increasing the work pressure of search and rescue personnel, difficult to find specific targets, and low efficiency of ground search and rescue, and achieve the effect of accurate search.

Inactive Publication Date: 2014-06-04
XIAN UNIV OF TECH
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Problems solved by technology

[0002] In some areas with complex terrain, the efficiency of ground search and rescue is not high, sometimes limited by the influence of terrain and landform, it is difficult to complete the search for specific targets
The use of helicopters for air search can achieve better results to a certain extent, but when the search target is small or the color of the target area is more complex, it will increase the work pressure of search and rescue personnel

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  • Finding method for static target based on latitude and longitude positioning and image registration
  • Finding method for static target based on latitude and longitude positioning and image registration
  • Finding method for static target based on latitude and longitude positioning and image registration

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Embodiment Construction

[0033] The present invention will be described in detail below with reference to the drawings and specific embodiments.

[0034] Realizing the efficient search of targets in complex areas is generally difficult to achieve by visual search, and it needs the assistance of computer machine vision technology. General vision-based target finding methods are either some image information of known targets, or finding moving targets in a static background, but the above premises are difficult to meet in aerial target finding tasks. When the drone is performing aerial photography, it can usually obtain the longitude and latitude information of the target area to be searched, so that the search range can be narrowed. The present invention also makes full use of this information to achieve efficient target search, and before performing some search and rescue tasks. Aerial surveys of the terrain are required, and the terrain information obtained from the aerial surveys can be used to constru...

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Abstract

The invention relates to a finding method for a static target based on latitude and longitude positioning and image registration. The finding method comprises the specific steps of: obtaining image information through early detection; building and saving a panoramic picture of a designated region; obtaining an original detection image , and carrying out scaling treatment; obtaining a corresponding part in the panoramic picture as a reference image; computing a rotating angle and translation of the scaled detection image and the reference image; compensating the detection image; computing a residual error with the panoramic picture; and analyzing a residual error image for judging whether a target exists or not. According to the invention, accurate finding on the static target is realized by using aerial data of an unmanned plane.

Description

Technical field [0001] The invention belongs to the technical field of image processing, and relates to a searching method based on latitude and longitude positioning and image registration for a static target. Background technique [0002] In some areas with more complex terrain, search and rescue on the ground is not efficient, sometimes limited to the impact of terrain and topography, it is difficult to complete the search for specific targets. Using helicopters for aerial search can achieve better results to a certain extent, but when the search target is small or the color of the target area is more complex, it will increase the work pressure of search and rescue personnel. In recent years, low-altitude aerial surveys of UAVs have played an active role in earthquake relief, search and rescue, and urban planning. It is of great significance how to accurately find targets in designated areas. Summary of the invention [0003] The purpose of the present invention is to provide ...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T7/00
Inventor 张静波赵永飞卢夏坤楚天单浩宇朱虹独盟盟
Owner XIAN UNIV OF TECH
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