Watersheds in Digital Spaces: An Efficient Algorithm Based on Immersion Simulations
IEEE Transactions on Pattern Analysis and Machine Intelligence
Hybrid image segmentation using watersheds and fast region merging
IEEE Transactions on Image Processing
Multiscale morphological segmentation of gray-scale images
IEEE Transactions on Image Processing
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Watershed algorithm is powerful tool for image segmentation. But classical watershed segmentation is sensitive to noise and can leads to serious over-segmentation. This paper presents an improved algorithm of watershed transformation based on opening-closing operation and webber perception principle.