NDLI: A robust and efficient video stabilization algorithm

Content Provider	IEEE Xplore Digital Library
Author	Hung-Chang Chang Shang-Hong Lai Kuang-Rong Lu
Copyright Year	2004
Description	Author affiliation: Dept. of Comput. Sci., Nat. Tsing Hua Univ., Hsinchu, Taiwan (Hung-Chang Chang; Shang-Hong Lai)
Abstract	The acquisition of digital video usually suffers from undesirable camera jitter due to unstable random camera motion, which is produced by a hand-held camera or a camera in a vehicle moving on a non-smooth road or terrain. We propose a real-time robust video stabilization algorithm to remove undesirable motion jitter and produce a stabilized video. We first compute the optical flow between successive frames, followed by estimating the camera motion by fitting the computed optical flow field to a simplified affine motion model with a trimmed least squares method. Then, the computed camera motions are smoothed temporally to reduce the motion vibrations by using a regularization method. Finally, we transform all frames of the video based on the original and smoothed motions to obtain a stabilized video. Experimental results are given to demonstrate the stabilization performance and the efficiency of the proposed algorithm.
Starting Page	29
Ending Page	32
File Size	309122
Page Count	4
File Format	PDF
ISBN	0780386035
DOI	10.1109/ICME.2004.1394117
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-06-27
Publisher Place	Taiwan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Robustness Optical computing Image motion analysis Optical filters Digital cameras Motion estimation Jitter Flowcharts Least squares approximation Computer science
Content Type	Text
Resource Type	Article

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