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Robust Video Stabilization Using Particle Keypoint Update and l1-Optimized Camera Path
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Robust Video Stabilization Using Particle Keypoint Update and l1-Optimized Camera Path
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Journal Article
Robust Video Stabilization Using Particle Keypoint Update and l1-Optimized Camera Path
2017
Overview
Acquisition of stabilized video is an important issue for various type of digital cameras. This paper presents an adaptive camera path estimation method using robust feature detection to remove shaky artifacts in a video. The proposed algorithm consists of three steps: (i) robust feature detection using particle keypoints between adjacent frames; (ii) camera path estimation and smoothing; and (iii) rendering to reconstruct a stabilized video. As a result, the proposed algorithm can estimate the optimal homography by redefining important feature points in the flat region using particle keypoints. In addition, stabilized frames with less holes can be generated from the optimal, adaptive camera path that minimizes a temporal total variation (TV). The proposed video stabilization method is suitable for enhancing the visual quality for various portable cameras and can be applied to robot vision, driving assistant systems, and visual surveillance systems.
Publisher
MDPI AG,MDPI
Subject
