An Interdisciplinary Approach to Visual Pattern Detection
Biologically Plausible Pattern Localisation and Parameter Estimation on Visual Data
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A key challenge of developing a generic visual pattern detection system is the handling of variability in natural images. Estimation of multiple parameters that describe the pose of objects relative to a previously captured view or model in the images typically requires a search for an optimum in a high dimensional search space. Inspired from a controversial parallel search mechanism in the recent literature, the problem is tackled through a new neural circuitry model called Monte Carlo Map Seeking Circuit (MC-MSC). This replaces the regular sampling of transformation parameters in the origina...
A key challenge of developing a generic visual pattern detection system is the handling of variability in natural images. Estimation of multiple parameters that describe the pose of objects relative to a previously captured view or model in the images typically requires a search for an optimum in a high dimensional search space. Inspired from a controversial parallel search mechanism in the recent literature, the problem is tackled through a new neural circuitry model called Monte Carlo Map Seeking Circuit (MC-MSC). This replaces the regular sampling of transformation parameters in the original Map Seeking Circuit with a probabilistic sampling approach. Another novelty of this work is the 'queuing' approach which serialises the search by a small amount and increases the performance considerably. This serialisation approach can also be considered as a rough estimation to the 'attentional mechanisms' known to exist in primate vision strategy.
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