Volume 9 Number 4 (Apr. 2014)
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JSW 2014 Vol.9(4): 913-920 ISSN: 1796-217X
doi: 10.4304/jsw.9.4.913-920

Digital Image Stabilization Based on Harmony Filter

Xiaofei Wang1, 2, Xiaohai He1, Qizhi Teng1, Mingliang Gao3
1College of Electronics and Information Engineering, Sichuan University, Chengdu, China
2Arts & Sciences College of Sichuan Normal University, Chengdu, China
3School of Electrical & Electronic Engineering, Shandong University of Technology, Zibo, China

Abstract—A digital image stabilization algorithm based on a harmony filter is presented in this paper. The corner points are extracted from the reference image. A new motion estimation method based on diamond search (DS) and partial distortion elimination (PDE) algorithm is proposed in the feature block matching. The global motion parameters are obtained based on the affine transformation model and the least square solution. Then a new filter algorithm named harmony filter is adopted to smooth the global motion by separating the active scanning movement from random jitter of camera. Finally, the original jitter sequences are compensated by the correction vectors. Experimental results show that our method can eliminate the high frequency tremble, keep active motion of camera and realize real-time image stabilization.

Index Terms—Digital image stabilization, Feature block matching, Global motion estimation, Harmony filter


Cite: Xiaofei Wang, Xiaohai He, Qizhi Teng, Mingliang Gao, "Digital Image Stabilization Based on Harmony Filter," Journal of Software vol. 9, no. 4, pp. 913-920, 2014.

General Information

ISSN: 1796-217X (Online)
Frequency: Monthly
Editor-in-Chief: Prof. Antanas Verikas
Executive Editor: Ms. Yoyo Y. Zhou
Abstracting/ Indexing: DBLP, EBSCO, ProQuest, INSPEC, ULRICH's Periodicals Directory, WorldCat, etc
E-mail: jsw@iap.org
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