Detecting Visual Feature Importance Via Tree
Classifiers. An Experience
Author(s)
C. Brambilla, I. Gagliardi, R. Schettini & A. Valsasna
Abstract
In this work we present an experience of using tree classifiers as a tool of multivari-
ate exploratory analysis. It refers to a problem of image analysis, and specifically
to that of identifying low-level visual features suitable to capture salient aspects
of the semantic content of the images. The problem is addressed by studying the
discrimination capability of the features towards classes of images semantically
defined. The classes considered are the photograph, graphic and text classes.
1 Introduction
In multivariate problems, in response to the increasing dimensionality of the data,
there is an increasing need of methods of analysis able to detect redundancy and
select relevant variables. Aim of the present work is to ill
Keywords
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