Orthoimage splicing method and device and computer readable medium
A technology of orthophoto and image stitching, which is applied in the field of remote sensing survey, can solve the problems of dislocation stitching, changeable shooting terrain, and lack of universality, and achieve the effect of reducing distortion or dislocation stitching and strong universality
Active Publication Date: 2020-08-25
BEIJING GREEN VALLEY TECH CO LTD +1
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[0005] In order to solve the above-mentioned technical problems in the prior art that the orthophotos are distorted or dislocated due to objective factors such as shooting terrain changes, and do not have universal applicability, this application provides a method and equipment for orthophotos stitching and computer readable media
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[0072] In order to make the purposes, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments It is a part of the embodiments of this application, but not all of them. Based on the embodiments in the present application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present application.
[0073] In practical applications, because the photographs taken are not completely orthographic, for example: there are occlusions in the image, resulting in ghost images on the generated orthophotos, and the splicing algorithm in the prior art is poor, after splicing There are still some seams on the orthophoto, some intelligent stitch...
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The invention relates to an orthoimage splicing method and device and a computer readable medium. The orthoimage splicing method comprises the steps of reading a plurality of to-be-spliced images selected by a target object and terrain parameters for shooting the images; correcting the plurality of to-be-spliced images to obtain a plurality of corrected images; determining an image splicing strategy according to the topographic parameters; and splicing the plurality of corrected images based on a splicing strategy to obtain a spliced image. The appropriate splicing strategy can be formulated according to changes of topographic parameters, the image splicing method and device are suitable for splicing images shot in different scenes, the situation that the spliced orthoimages are distortedor spliced in a staggered mode is reduced, and the image splicing algorithm has higher universality.
Description
technical field [0001] The present application relates to the technical field of remote sensing, and in particular to an orthophoto stitching method, device and computer-readable medium. Background technique [0002] Orthophoto production is the process of converting the centrally projected aerial photography into an orthoprojection. After geometric correction, the digital orthophoto is obtained, and is widely used in various social productions such as land, surveying and mapping, water conservancy, forestry, roads, and bridges. [0003] At present, the orthophoto production process only needs to record the original remote sensing image due to the internal state change of the sensor (distortion of the optical system, nonlinearity of the scanning system, etc.), external state (such as attitude change) and surface conditions (such as the curvature of the earth, terrain, etc.) fluctuations), and then geometrically process the remote sensing images one by one, and re-sample the ...
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Login to View More IPC IPC(8): G06T3/40G06T5/30G06T5/00G06T7/10
CPCG06T3/4038G06T5/30G06T7/10G06T2207/10032G06T5/80
Inventor 王兰兰其他发明人请求不公开姓名
Owner BEIJING GREEN VALLEY TECH CO LTD