Background modeling from a free-moving camera by Multi-Layer Homography Algorithm

This paper proposes a novel multi-layer homography algorithm for background modeling from a free-moving camera. Background is composed of many planes. Different planes satisfy with different homographies which can be found by our algorithm. Each pixel except for the moving pixel definitely belongs t...

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Bibliographic Details
Main Authors: Yuxin Jin, Linmi Tao, Huijun Di, Rao, N.I., Guangyou Xu
Format: Conference Proceeding
Language:English
Subjects:
background model
Cameras
Computer science
Computer vision
free-moving camera
Layout
Motion detection
Motion estimation
Multi-layer Homography
Nonhomogeneous media
Object detection
Optical filters
Particle tracking
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Description
Summary:This paper proposes a novel multi-layer homography algorithm for background modeling from a free-moving camera. Background is composed of many planes. Different planes satisfy with different homographies which can be found by our algorithm. Each pixel except for the moving pixel definitely belongs to some plane. Rectified by the corresponding homography, each static pixel in the shared view can find its match in the previous frame. Thus, frames can be rectified to a specific viewpoint for background modeling. Experiment shows it is effective. Our approach can be used in motion detection from a free-moving camera.
ISSN:1522-4880
2381-8549
DOI:10.1109/ICIP.2008.4712069