Adaptive sampling by information maximization

Details Adaptive sampling by information maximization Adaptive sampling by information maximization

2001-12-20

arxiv.org/abs/physics/0112070v1

Phys Rev Lett, 88:228104 (2002)

Physics

Biological Physics

4 pages, 2 figures

Scientific paper

10.1103/PhysRevLett.88.228104

The investigation of input-output systems often requires a sophisticated choice of test inputs to make best use of limited experimental time. Here we present an iterative algorithm that continuously adjusts an ensemble of test inputs online, subject to the data already acquired about the system under study. The algorithm focuses the input ensemble by maximizing the mutual information between input and output. We apply the algorithm to simulated neurophysiological experiments and show that it serves to extract the ensemble of stimuli that a given neural system ``expects'' as a result of its natural history.

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