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Real-Time Extraction of Unknown Region from Dynamic Background by Robust Projection onto Eigen Space
Satoshi KAWABATA Sinsaku HIURA Kosuke SATO
D - Abstracts of IEICE TRANSACTIONS on Information and Systems (Japanese Edition)
Publication Date: 2006/04/01
Online ISSN: 1881-0225
Print ISSN: 1880-4535
Type of Manuscript: PAPER
background subtraction, dynamic background, eigen space, robust projection,
Full Text(in Japanese): PDF(831.9KB)
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In computer vision, the background subtraction method is widely used to extract a changing region in a scene. The method determines the region by comparing an image with the background image obtained in advance. To expand the method for dynamic scene, abundant improvements based on updating a background have been proposed. However, any object satisfies the update conditions may be replaced with original values, and the methods have less warrant for the properness of the background image. In this paper, we propose a real-time extraction method of an unknown object region based on the robust projection onto the eigen space which represents dynamically changing background images.