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AdaBoost is a classic boosting algorithm for combining multiple inaccurate classifiers produced by a weak learner, to produce a strong learner with arbitrarily high accuracy when given enough training data. Determining the optimal number of…

机器学习 · 计算机科学 2025-08-12 Mikael Møller Høgsgaard , Kasper Green Larsen , Martin Ritzert

Suppose we have a weak learning algorithm $\mathcal{A}$ for a Boolean-valued problem: $\mathcal{A}$ produces hypotheses whose bias $\gamma$ is small, only slightly better than random guessing (this could, for instance, be due to…

量子物理 · 物理学 2020-08-18 Srinivasan Arunachalam , Reevu Maity

The concept of boosting emerged from the field of machine learning. The basic idea is to boost the accuracy of a weak classifying tool by combining various instances into a more accurate prediction. This general concept was later adapted to…

统计方法学 · 统计学 2014-11-19 Andreas Mayr , Harald Binder , Olaf Gefeller , Matthias Schmid

Boosting is an ensemble learning method that converts a weak learner into a strong learner in the PAC learning framework. Freund and Schapire designed the Godel prize-winning algorithm named AdaBoost that can boost learners, which output…

量子物理 · 物理学 2023-07-31 Debajyoti Bera , Rohan Bhatia , Parmeet Singh Chani , Sagnik Chatterjee

Boosting is a general method to convert a weak learner (which generates hypotheses that are just slightly better than random) into a strong learner (which generates hypotheses that are much better than random). Recently, Arunachalam and…

量子物理 · 物理学 2020-09-18 Adam Izdebski , Ronald de Wolf

Boosting algorithms have been widely used to tackle a plethora of problems. In the last few years, a lot of approaches have been proposed to provide standard AdaBoost with cost-sensitive capabilities, each with a different focus. However,…

计算机视觉与模式识别 · 计算机科学 2016-07-25 Iago Landesa-Vázquez , José Luis Alba-Castro

Boosting is a celebrated machine learning approach which is based on the idea of combining weak and moderately inaccurate hypotheses to a strong and accurate one. We study boosting under the assumption that the weak hypotheses belong to a…

机器学习 · 计算机科学 2024-02-14 Noga Alon , Alon Gonen , Elad Hazan , Shay Moran

The principle of boosting in supervised learning involves combining multiple weak classifiers to obtain a stronger classifier. AdaBoost has the reputation to be a perfect example of this approach. This study analyzes the (two classes)…

机器学习 · 计算机科学 2024-02-08 Jean-Marc Brossier , Olivier Lafitte , Lenny Réthoré

Boosting is a general method of generating many simple classification rules and combining them into a single, highly accurate rule. In this talk, I will review the AdaBoost boosting algorithm and some of its underlying theory, and then look…

机器学习 · 计算机科学 2013-01-07 Robert E. Schapire

Adaptive Boosting with Dynamic Weight Adjustment is an enhancement of the traditional Adaptive boosting commonly known as AdaBoost, a powerful ensemble learning technique. Adaptive Boosting with Dynamic Weight Adjustment technique improves…

机器学习 · 计算机科学 2024-06-04 Vamsi Sai Ranga Sri Harsha Mangina

Boosting is an extremely successful idea, allowing one to combine multiple low accuracy classifiers into a much more accurate voting classifier. In this work, we present a new and surprisingly simple Boosting algorithm that obtains a…

机器学习 · 计算机科学 2024-09-02 Mikael Møller Høgsgaard , Kasper Green Larsen , Markus Engelund Mathiasen

There has been considerable interest in boosting and bagging, including the combination of the adaptive techniques of AdaBoost with the random selection with replacement techniques of Bagging. At the same time there has been a revisiting of…

机器学习 · 计算机科学 2020-10-30 David M. W. Powers

The fields of machine learning and mathematical optimization increasingly intertwined. The special topic on supervised learning and convex optimization examines this interplay. The training part of most supervised learning algorithms can…

机器学习 · 计算机科学 2015-07-14 Nan Wang

The significance of the study of the theoretical and practical properties of AdaBoost is unquestionable, given its simplicity, wide practical use, and effectiveness on real-world datasets. Here we present a few open problems regarding the…

机器学习 · 计算机科学 2015-05-27 Joshua Belanich , Luis E. Ortiz

The authors are doing the readers of Statistical Science a true service with a well-written and up-to-date overview of boosting that originated with the seminal algorithms of Freund and Schapire. Equally, we are grateful for high-level…

统计方法学 · 统计学 2008-12-18 Andreas Buja , David Mease , Abraham J. Wyner

We present a new online boosting algorithm for adapting the weights of a boosted classifier, which yields a closer approximation to Freund and Schapire's AdaBoost algorithm than previous online boosting algorithms. We also contribute a new…

机器学习 · 统计学 2008-10-28 Raphael Pelossof , Michael Jones , Ilia Vovsha , Cynthia Rudin

The classic algorithm AdaBoost allows to convert a weak learner, that is an algorithm that produces a hypothesis which is slightly better than chance, into a strong learner, achieving arbitrarily high accuracy when given enough training…

机器学习 · 计算机科学 2022-11-28 Kasper Green Larsen , Martin Ritzert

Boosting is a key method in statistical learning, allowing for converting weak learners into strong ones. While well studied in the realizable case, the statistical properties of weak-to-strong learning remain less understood in the…

机器学习 · 计算机科学 2026-01-01 Arthur da Cunha , Mikael Møller Høgsgaard , Andrea Paudice , Yuxin Sun

In boosting, we aim to leverage multiple weak learners to produce a strong learner. At the center of this paradigm lies the concept of building the strong learner as a voting classifier, which outputs a weighted majority vote of the weak…

机器学习 · 计算机科学 2024-12-23 Arthur da Cunha , Kasper Green Larsen , Martin Ritzert

In classical machine learning, a set of weak classifiers can be adaptively combined to form a strong classifier for improving the overall performance, a technique called adaptive boosting (or AdaBoost). However, constructing the strong…

量子物理 · 物理学 2019-02-05 Ximing Wang , Yuechi Ma , Min-Hsiu Hsieh , Manhong Yung
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