Ordinal regression methods: survey and experimental study

PA Gutiérrez, M Perez-Ortiz… - … on Knowledge and …, 2015 - ieeexplore.ieee.org
Ordinal regression problems are those machine learning problems where the objective is to
classify patterns using a categorical scale which shows a natural order between the labels …

Quatnet: Quaternion-based head pose estimation with multiregression loss

HW Hsu, TY Wu, S Wan, WH Wong… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
Head pose estimation has attracted immense research interest recently, as its inherent
information significantly improves the performance of face-related applications such as face …

Deep and ordinal ensemble learning for human age estimation from facial images

JC Xie, CM Pun - IEEE Transactions on Information Forensics …, 2020 - ieeexplore.ieee.org
Some recent work treats age estimation as an ordinal ranking task and decomposes it into
multiple binary classifications. However, a theoretical defect lies in this type of methods: the …

PPG-based smart wearable device with energy-efficient computing for mobile health-care applications

E Lee, CY Lee - IEEE Sensors Journal, 2021 - ieeexplore.ieee.org
Individualized health-care is gaining traction recently due to the advances in sensor
technology, edge computing and the improvement in communication technologies. In this …

Global sensitivity estimates for neural network classifiers

F Fernández-Navarro, M Carbonero-Ruz… - IEEE transactions on …, 2016 - ieeexplore.ieee.org
Artificial neural networks (ANNs) have traditionally been seen as black-box models,
because, although they are able to find “hidden” relations between inputs and outputs with a …

Graph-based approaches for over-sampling in the context of ordinal regression

M Perez-Ortiz, PA Gutierrez… - … on Knowledge and …, 2014 - ieeexplore.ieee.org
The classification of patterns into naturally ordered labels is referred to as ordinal regression
or ordinal classification. Usually, this classification setting is by nature highly imbalanced …

Cost-sensitive AdaBoost algorithm for ordinal regression based on extreme learning machine

A Riccardi, F Fernández-Navarro… - IEEE transactions on …, 2014 - ieeexplore.ieee.org
In this paper, the well known stagewise additive modeling using a multiclass exponential
(SAMME) boosting algorithm is extended to address problems where there exists a natural …

Multi-view support vector ordinal regression with data uncertainty

Y Xiao, X Li, B Liu, L Zhao, X Kong, A Alhudhaif… - Information …, 2022 - Elsevier
Ordinal regression (OR) is a paradigm which learns a prediction model on the data with
ordered classes. Despite much progress in OR, the existing OR works learn the classifier …

A new distance metric exploiting heterogeneous interattribute relationship for ordinal-and-nominal-attribute data clustering

Y Zhang, YM Cheung - IEEE Transactions on Cybernetics, 2020 - ieeexplore.ieee.org
Ordinal attribute has all the common characteristics of a nominal one but it differs from the
nominal one by having naturally ordered possible values (also called categories …

Nonparallel support vector ordinal regression

H Wang, Y Shi, L Niu, Y Tian - IEEE transactions on cybernetics, 2017 - ieeexplore.ieee.org
Ordinal regression is a supervised learning problem where training samples are labeled by
an ordinal scale. The ordering relation and nonmetric property of the label set distinguish it …