Circular ring type oblique shooting method and system

An oblique shooting and ring-type technology, applied in image enhancement, instrumentation, computing, etc., can solve the problems of insufficient richness and clarity of image texture, large model voids, and high cost

Active Publication Date: 2021-08-06
杭州今奥信息科技股份有限公司
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AI Technical Summary

Problems solved by technology

However, at present, the traditional oblique photography method needs to use multiple sensors to shoot the ground objects from one vertical angle and four different oblique angles. The traditional oblique photography method is costly and needs to take a large number of images, and The texture of the captured image is not rich and clear enough, and there are problems such as large model holes

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  • Circular ring type oblique shooting method and system
  • Circular ring type oblique shooting method and system
  • Circular ring type oblique shooting method and system

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[0031] The following description serves to disclose the present invention to enable those skilled in the art to carry out the present invention. The preferred embodiments described below are only examples, and those skilled in the art can imagine other obvious variations. The basic principles of the present invention defined in the following description can be applied to other embodiments, variations, improvements, equivalents and other technical solutions without departing from the spirit and scope of the present invention.

[0032] Those skilled in the art should understand that, in the disclosure of the present invention, the terms "vertical", "transverse", "upper", "lower", "front", "rear", "left", "right", " The orientation or positional relationship indicated by "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, which are only for the convenience of describing the present inventi...

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Abstract

The invention discloses a circular ring type oblique shooting method and system. The method comprises the following steps: obtaining a shooting region, and calculating the four to four rectangles of the shooting region; obtaining the height of the unmanned aerial vehicle, and setting an external expansion rectangle; generating a flight path of the unmanned aerial vehicle according to the expanded rectangle of the shooting area, wherein the flight path comprises a translation path and a circular path; carrying out oblique shooting according to the flight path of the unmanned aerial vehicle; using the shot data for three-dimensional model reconstruction and orthoimage generation. According to the method and the system, three-dimensional model reconstruction is carried out in a circular ring type oblique photography mode, oblique photography can be carried out on the ground from multiple angles, and therefore three-dimensional model reconstruction image information can be enriched.

Description

technical field [0001] The invention relates to the field of three-dimensional model reconstruction, in particular to a method and system for circular oblique shooting. Background technique [0002] In the prior art, oblique photographic 3D model reconstruction can observe 3D model reconstruction objects from multiple directions, and can display more image information of 3D model reconstruction objects. Currently, it is widely used in the construction of 3D digital cities. However, at present, the traditional oblique photography method needs to use multiple sensors to shoot the ground objects from one vertical angle and four different oblique angles. The traditional oblique photography method is costly and needs to take a large number of images, and The texture of the captured image is not rich and clear enough, and there are problems such as large model holes. Contents of the invention [0003] One of the invention objectives of the present invention is to provide a meth...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T17/00G06T5/00
CPCG06T17/00G06T5/008
Inventor 何玉生杨江川石赛群问静怡
Owner 杭州今奥信息科技股份有限公司
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