Acta Geodaetica et Cartographica Sinica >

2016 , Vol. 45 >Issue 6: 698 - 705

DOI: https://doi.org/10.11947/j.AGCS.2016.20150567

An Aerial Image Mosaic Method Based on UAV Position and Attitude Information

  • CHENG Zhenggang ,
  • ZHANG Li
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  • Department of Electronic Engineering, Tsinghua University, Beijing 100084, China

Received date: 2015-11-05

  Revised date: 2016-02-02

  Online published: 2016-06-29

Supported by

The National Natural Science Foundation of China (Nos. 61172125;61132007)

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Abstract

As the existing methods for aerial image mosaic take high computational, a fast and effective algorithm based on the position and attitude information of unmanned aerial vehicles (UAV) is proposed. Firstly, the coordinates and attitude angles of UAV can be obtained by airborne GPS and inertial measurement unit (IMU), and each aerial image has a corresponding position and attitude information. The homography matrix between two aerial images with the positions and attitude information can be calculated. Then the registration of the mosaic images is obtained by the operation of homography matrix. Finally, the multiple images can be stitched and the whole panorama got. A large number of experiments demonstrate this algorithm is efficient.

Key words： aerial image; position and attitude; image registration; homography matrix; panorama

Cite this article

CHENG Zhenggang , ZHANG Li . An Aerial Image Mosaic Method Based on UAV Position and Attitude Information[J]. Acta Geodaetica et Cartographica Sinica, 2016 , 45(6) : 698 -705 . DOI: 10.11947/j.AGCS.2016.20150567

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