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A morphologically optimal strategy for classifier combination: multiple expert fusion as a tomographic process

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2 Author(s)
Windridge, D. ; Dept. of Electron. & Electr. Eng., Surrey Univ., Guildford, UK ; Kittler, J.

We specify an analogy in which the various classifier combination methodologies are interpreted as the implicit reconstruction, by tomographic means, of the composite probability density function spanning the entirety of the pattern space, the process of feature selection in this scenario amounting to an extremely bandwidth-limited Radon transformation of the training data. This metaphor, once elaborated, immediately suggests techniques for improving the process, ultimately defining, in reconstructive terms, an optimal performance criterion for such combinatorial approaches.

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Pattern Analysis and Machine Intelligence, IEEE Transactions on  (Volume:25 ,  Issue: 3 )