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An Image Segmentation method using Morphology Reconstruction and Non-Linear Diffusion  

Kim, Chang-Geun (전남대학교 전산학과)
Lee, Guee-Sang (전남대학교 전산학과)
Abstract
Existing methods for color image segmentation using diffusion can't preserve contour information, or noises with high gradients become more salient as the number of times of the diffusion increases, resulting in over-segmentation when applied to watershed. This paper proposes a method for color image segmentation by applying morphological operations together with nonlinear diffusion For an input image, transformed into LUV color space, closing by reconstruction and nonlinear diffusion are applied to obtain a simplified image which preserves contour information with noises removed. With gradients computed from this simplified image, watershed algorithm is applied. Experiments show that color images are segmented very effectively without over-segmentation.
Keywords
image segmentation; morphological reconstruction; nonlinear diffusion; watershed; over- segmentation;
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