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Orthoimage generation method and system

An orthophoto and positive shot technology, applied in the field of remote sensing images

Active Publication Date: 2021-04-16
杭州今奥信息科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] Based on this, it is necessary to provide a method and system for generating orthophotos to solve the problem that traditional digital orthophotos cannot be updated in time and in real time

Method used

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  • Orthoimage generation method and system
  • Orthoimage generation method and system
  • Orthoimage generation method and system

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Embodiment Construction

[0055] In order to make the purpose, technical solution and advantages of the present application clearer, the present application will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present application, and are not intended to limit the present application.

[0056]The present application provides a method for generating an orthophoto. It should be noted that the method for generating an orthophoto provided in this application is applicable to any area to be photographed that has the photographing authority. The area to be photographed may be mountains, rivers, places of interest and so on.

[0057] In addition, the method for generating an orthophoto provided in this application does not limit its execution subject. Optionally, the orthophoto generation method provided in this application may be executed by an orthophoto gen...

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Abstract

The invention relates to an orthoimage generation method and system, and the method comprises the steps: controlling an unmanned plane aerial photographing module to photograph a plurality of orthoimages of a to-be-photographed region, splicing the plurality of orthoimages together, and generating an orthoimage of the to-be-photographed region; and finally, carrying out tile segmentation and slice storage on the orthoimage formed by splicing, so that the orthoimage is generated in an unmanned aerial vehicle shooting mode, the trouble of obtaining the image by a satellite is avoided, operation can be carried out at any time, a high-definition ground image can be generated online, and local tile data can be updated online. Lightweight local dynamic update is realized, and the update is real-time and very convenient.

Description

technical field [0001] The present application relates to the technical field of remote sensing images, in particular to a method and system for generating orthophoto images. Background technique [0002] Digital Orthophoto Map (DOM) is an image with both map geometric accuracy and image features. It has the advantages of high precision, rich information, intuitive and realistic, and fast acquisition. It can be used as map analysis background control information, It can also extract historical or latest information on natural resources and social and economic development, providing a reliable basis for applications such as disaster prevention and public facility construction planning, and can also extract and derive new information from it to realize map revision and update. [0003] Traditional digital orthophoto maps are mainly collected by remote sensing satellites, which are affected by geographical factors that cannot be ignored such as atmosphere and altitude, resultin...

Claims

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Application Information

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IPC IPC(8): G01C11/02
Inventor 何玉生方鹏问静怡周旺华
Owner 杭州今奥信息科技股份有限公司
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