ART-EMAP: A neural network architecture for object recognition by evidence accumulation

Author(s): Carpenter, G.A. | Ross, W.D. |

Year: 1995

Citation: IEEE Transactions on Neural Networks, 6, 805-818.

Abstract: A new neural network architecture is introduced for the recognition of pattern classes after supervised and unsupervised learning. Applications include spatio-temporal image understanding and prediction and three-dimensional (3-D) objects recognition from a series of ambiguous two-dimensional views. The architecture, called ART-EMAP, achieves a synthesis of adaptive resonance theory (ART) and spatial and temporal evidence integration for dynamic predictive mapping (EMAP). ART-EMAP extends the capabilities of fuzzy ARTMAP in four incremental stages. Stage 1 introduces distributed pattern representation at a view category field. Stage 2 adds a decision criterion to the mapping between view and object categories, delaying identification of ambiguous objects when faced with a low confidence prediction. Stage 3 augments the system with a field where evidence accumulates in medium-term memory. Stage 4 adds an unsupervised learning process to fine-tune performance after the limited initial period of supervised network training. Each ART-EMAP stage is illustrated with a bench mark simulation example, using both noisy and noise-free data. A concluding set of simulations demonstrate ART-EMAP performance on a difficult 3-D object recognition problem.

Topics: Machine Learning, Models: Fuzzy ARTMAP, Modified ART,

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