Handwritten Data Clustering Using Agents Competition in Networks
Journal of Mathematical Imaging and Vision
Uncovering overlapping cluster structures via stochastic competitive learning
Information Sciences: an International Journal
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In this project, we propose a novel approach for solving the perceptual grouping problem in vision. Rather than focusing on local features and their consistencies in the image data, our approach aims at extracting the global impression of an image. We treat image segmentation as a graph partitioning problem and propose a novel global criterion, the normalized cut, for segmenting the graph. The normalized cut criterion measures both the total dissimilarity between the different groups as well as the total similarity within the groups. We show that an efficient computational technique based on a generalized eigenvalue problem can be used to optimize this criterion. We have applied this approach to segmenting static images as well as motion sequences and found that it gives very good results.