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A method for the construction of UAV image image control distribution network and the optional range matching method of aerial photos

A matching method and technology of distribution network, applied in surveying and navigation, photogrammetry/video surveying, instruments, etc., can solve the problems of non-standard image control network, difficult matching, low efficiency and so on

Active Publication Date: 2019-04-26
POWER CHINA KUNMING ENG CORP LTD
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This operation method has problems such as insufficient standardization of the image control network, difficulty in matching, and low efficiency. Therefore, it is urgent to adopt a new operation method to realize the rapid and standardized construction of the image control distribution network and the matching of the optional range of aerial photos.

Method used

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  • A method for the construction of UAV image image control distribution network and the optional range matching method of aerial photos
  • A method for the construction of UAV image image control distribution network and the optional range matching method of aerial photos
  • A method for the construction of UAV image image control distribution network and the optional range matching method of aerial photos

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Embodiment Construction

[0078] The present invention will be further described in detail below in conjunction with the examples.

[0079] Those skilled in the art will understand that the following examples are only for illustrating the present invention and should not be considered as limiting the scope of the present invention. If no specific technique or condition is indicated in the examples, it shall be carried out according to the technique or condition described in the literature in this field or according to the product specification. The reagents or instruments used were not indicated by the manufacturer, and they were all conventional products that could be purchased.

[0080] The technical scheme of the present invention can adopt computer software technology to realize automatic operation. Such as figure 1 As shown, the technical solution process of the embodiment includes the following steps:

[0081] Step 1: POS data processing and airline recovery. POS data records the 6 outer orie...

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Abstract

The invention relates to a method for constructing an image control distribution network of an unmanned aerial vehicle and a matching method for an optional range of aerial photographs, and belongs to the technical field of remote sensing image processing. The method restores the flight belt model by processing POS data, and automatically calculates the network parameters under the simple parameter input condition; automatically builds the image control distribution network with the assistance of POS data; then, with the assistance of POS data, the image control The distribution network is automatically matched to generate an aerial photo map calibrated with an optional range of image control. The method proposed by the present invention for the construction of UAV image control distribution network assisted by POS data and the optional range matching of aerial photographs can build a highly versatile and evenly distributed image control distribution network through simple parameter specification. And quickly match the aerial photos with more accurate position and moderate range, which are calibrated with optional range of image control. This method has the characteristics of simple parameter setting, standard construction of image control distribution network, and high matching efficiency.

Description

technical field [0001] The invention relates to the technical field of remote sensing image processing, in particular to a method for constructing an image control distribution network of unmanned aerial vehicle and matching the optional range of aerial photographs assisted by POS data. Background technique [0002] UAV aerial photography technology is a new digital surveying and mapping aerial photography technology after traditional aerial photography. Compared with traditional aerial photogrammetry, UAV aerial photography has the advantages of flexible take-off and landing, less affected by weather, and low cost. features. At present, the orthophoto map (DOM) and digital line map (DLG) produced by low-altitude digital remote sensing image technology can meet the accuracy requirements of 1:5000, 1:2000 and 1:1000 scales. [0003] The POS system, also known as the IMU / DGPS system, can measure the position and attitude of the sensor in real time during the imaging process, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01C11/00
CPCG01C11/00
Inventor 吴弦骏闻平王媛吴小东李磊陈科吴杰桂林王辉杨文
Owner POWER CHINA KUNMING ENG CORP LTD
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