Search Results for author: Giorgio Roffo

Found 7 papers, 2 papers with code

Infinite Feature Selection: A Graph-based Feature Filtering Approach

1 code implementation15 Jun 2020 Giorgio Roffo, Simone Melzi, Umberto Castellani, Alessandro Vinciarelli, Marco Cristani

We propose a filtering feature selection framework that considers subsets of features as paths in a graph, where a node is a feature and an edge indicates pairwise (customizable) relations among features, dealing with relevance and redundancy principles.

feature selection

Ranking to Learn and Learning to Rank: On the Role of Ranking in Pattern Recognition Applications

no code implementations1 Jun 2017 Giorgio Roffo

Ranking methods can be analyzed from two different methodological perspectives: ranking to learn and learning to rank.

feature selection Information Retrieval +3

Ranking to Learn: Feature Ranking and Selection via Eigenvector Centrality

no code implementations18 Apr 2017 Giorgio Roffo, Simone Melzi

In an era where accumulating data is easy and storing it inexpensive, feature selection plays a central role in helping to reduce the high-dimensionality of huge amounts of otherwise meaningless data.

feature selection Object Recognition

Object Tracking via Dynamic Feature Selection Processes

no code implementations7 Sep 2016 Giorgio Roffo, Simone Melzi

DFST proposes an optimized visual tracking algorithm based on the real-time selection of locally and temporally discriminative features.

feature selection Object +3

Feature Selection Library (MATLAB Toolbox)

no code implementations5 Jul 2016 Giorgio Roffo

The Feature Selection Library (FSLib) signifies a notable progression in machine learning and data mining for MATLAB users, emphasizing the critical role of Feature Selection (FS) in enhancing model efficiency and effectiveness by pinpointing essential features for specific tasks.

feature selection General Classification

Infinite Feature Selection

1 code implementation ICCV 2015 Giorgio Roffo, Simone Melzi, Marco Cristani

Filter-based feature selection has become crucial in many classification settings, especially object recognition, recently faced with feature learning strategies that originate thousands of cues.

Classification feature selection +2

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