Ordering as privileged information
Thomas Vacek

TL;DR
This paper introduces a method to accelerate pattern recognition convergence by controlling hypothesis space variance through an order metric, utilizing privileged information as an ordering to create faster-converging models.
Contribution
It presents a novel approach to minimize variance diameters using an order metric, framing it as an ordinal regression problem within a LUPI framework for improved convergence.
Findings
The proposed method effectively reduces convergence time in pattern recognition tasks.
Empirical results demonstrate improved model performance with privileged ordering.
The approach offers a new perspective on model selection and parameter tuning.
Abstract
We propose to accelerate the rate of convergence of the pattern recognition task by directly minimizing the variance diameters of certain hypothesis spaces, which are critical quantities in fast-convergence results.We show that the variance diameters can be controlled by dividing hypothesis spaces into metric balls based on a new order metric. This order metric can be minimized as an ordinal regression problem, leading to a LUPI (Learning Using Privileged Information) application where we take the privileged information as some desired ordering, and construct a faster-converging hypothesis space by empirically restricting some larger hypothesis space according to that ordering. We give a risk analysis of the approach. We discuss the difficulties with model selection and give an innovative technique for selecting multiple model parameters. Finally, we provide some data experiments.
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Taxonomy
TopicsInformation Retrieval and Search Behavior · Machine Learning and Algorithms
