Adaptive learning in motion analysis with self-organising maps

Angelopoulou, A., Garcia-Rodriguez, J., Psarrou, A., Gupta, G. and Mentzelopoulos, M. (2013) Adaptive learning in motion analysis with self-organising maps. In: International Joint Conference on Neural Networks (IJCNN), 04 Aug 2013, Dallas, TX.

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Growing models have been widely used for clustering or topology learning. Traditionally these models work on stationary environments, grow incrementally and adapt their nodes to a given distribution based on global parameters. In this paper, we present an enhanced unsupervised self-organising network for the modelling of visual objects. We first develop a framework for building non-rigid shapes using the growth mechanism of the self-organising maps, and then we define an optimal number of nodes without overfitting or underfitting the network based on the knowledge obtained from information-theoretic considerations. This model is used to the representation of motion in image sequences by initialising a suitable segmentation. We present experimental results for hands and we quantitatively evaluate the matching capabilities of the proposed method with the topographic product.

Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: Image Sequences
Subjects: University of Westminster > Science and Technology
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Date Deposited: 29 Oct 2015 15:37
Last Modified: 29 Oct 2015 15:37

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