Share Email Print
cover

Proceedings Paper

Improvement of sub-pixel global motion estimation in UAV image stabilization
Author(s): Yingjuan Li; Ming Ji; Junfeng He; Kang Zhen; Yizhou Yang; Ying Chen
Format Member Price Non-Member Price
PDF $14.40 $18.00
cover GOOD NEWS! Your organization subscribes to the SPIE Digital Library. You may be able to download this paper for free. Check Access

Paper Abstract

Global motion estimation within frames is very important in the UAV(unmanned aerial vehicle) image stabilization system. A fast algorithm based on phase correlation and image down-sampling in sub-pixel was proposed. First, down-sampling of the two frames to quantitatively reduce calculate data. Then, take the method based of phase correlation to realize the global motion estimation in integer-pixel. When it calculated out, chooses the overlapped area of the two frames and interpolated them with zero, then adopts the method based on phase correlation to achieve the global motion estimation in sub-pixel. At last, weighted calculate the result in integer-pixel and the result in sub-pixel, the global motion displacement in sub-pixel of the two images will be calculated out. Experimental results show that, using the proposed algorithm can not only achieve good robustness to the influence of noise, illumination and partially sheltered but also improve the accuracy of motion estimation and efficiency of computing significantly.

Paper Details

Date Published: 26 January 2016
PDF: 7 pages
Proc. SPIE 9796, Selected Papers of the Photoelectronic Technology Committee Conferences held November 2015, 97962O (26 January 2016); doi: 10.1117/12.2229561
Show Author Affiliations
Yingjuan Li, Xi’an Institute of Applied Optics (China)
Ming Ji, Xi'an Institute of Applied Optics (China)
Junfeng He, Xi'an Institute of Applied Optics (China)
Kang Zhen, Xi'an Institute of Applied Optics (China)
Yizhou Yang, Xi'an Institute of Applied Optics (China)
Ying Chen, Xi'an Institute of Applied Optics (China)


Published in SPIE Proceedings Vol. 9796:
Selected Papers of the Photoelectronic Technology Committee Conferences held November 2015
Weimin Bao; Yueguang Lv, Editor(s)

© SPIE. Terms of Use
Back to Top