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Adaptive Gradient-Based and Anisotropic Diffusion Equation Filtering Algorithm for Microscopic Image Preprocessing

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Author(s): Hailing Liu

Journal: Journal of Signal and Information Processing
ISSN 2159-4465

Volume: 04;
Issue: 01;
Start page: 82;
Date: 2013;
Original page

Keywords: Microscopic Image | Image Preprocessing | Anisotropic | Gradient-Based

ABSTRACT
In image acquisition process, the quality of microscopic images will be degraded by electrical noise, quantizing noise, light illumination etc. Hence, image preprocessing is necessary and important to improve the quality. The background noise and pulse noise are two common types of noise existing in microscopic images. In this paper, a gradient-based anisotropic filtering algorithm was proposed, which can filter out the background noise while preserve object boundary effectively. The filtering performance was evaluated by comparing that with some other filtering algorithms.
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