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Gradient-boosted decision trees are among the strongest off-the-shelf predictors for tabular regression, but point predictions alone do not quantify uncertainty. Conformal prediction provides distribution-free marginal coverage, yet split…

机器学习 · 统计学 2026-02-27 Vagner Santos , Victor Coscrato , Luben Cabezas , Rafael Izbicki , Thiago Ramos

We study a new aggregation operator for gradients coming from a mini-batch for stochastic gradient (SG) methods that allows a significant speed-up in the case of sparse optimization problems. We call this method AdaBatch and it only…

机器学习 · 计算机科学 2017-11-07 Alexandre Défossez , Francis Bach

Point cloud segmentation is a fundamental task in 3D. Despite recent progress on point cloud segmentation with the power of deep networks, current learning methods based on the clean label assumptions may fail with noisy labels. Yet, class…

计算机视觉与模式识别 · 计算机科学 2022-12-07 Shuquan Ye , Dongdong Chen , Songfang Han , Jing Liao

Within the framework of AdaBoost.MH, we propose to train vector-valued decision trees to optimize the multi-class edge without reducing the multi-class problem to $K$ binary one-against-all classifications. The key element of the method is…

机器学习 · 计算机科学 2013-12-23 Balázs Kégl

We present a new boosting algorithm, motivated by the large margins theory for boosting. We give experimental evidence that the new algorithm is significantly more robust against label noise than existing boosting algorithm.

机器学习 · 统计学 2009-05-14 Yoav Freund

Unsupervised domain adaptation (UDA) for person re-identification is challenging because of the huge gap between the source and target domain. A typical self-training method is to use pseudo-labels generated by clustering algorithms to…

计算机视觉与模式识别 · 计算机科学 2021-12-28 Wenhao Wang , Fang Zhao , Shengcai Liao , Ling Shao

Speech enhancement is designed to enhance the intelligibility and quality of speech across diverse noise conditions. Recently, diffusion model has gained lots of attention in speech enhancement area, achieving competitive results. Current…

声音 · 计算机科学 2025-01-23 Chengzhong Wang , Jianjun Gu , Dingding Yao , Junfeng Li , Yonghong Yan

Imbalanced dataset is occurred due to uneven distribution of data available in the real world such as disposition of complaints on government offices in Bandung. Consequently, multi-label text categorization algorithms may not produce the…

计算与语言 · 计算机科学 2019-06-12 Genta Indra Winata , Masayu Leylia Khodra

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 actual scenarios, whether manually or automatically annotated, label noise is inevitably generated in the training data, which can affect the effectiveness of deep CNN models. The popular solutions require data cleaning or designing…

计算机视觉与模式识别 · 计算机科学 2024-09-06 Dawei Dai , Hao Zhu , Shuyin Xia , Guoyin Wang

Heavy-ball momentum with decaying learning rates is widely used with SGD for optimizing deep learning models. In contrast to its empirical popularity, the understanding of its theoretical property is still quite limited, especially under…

机器学习 · 计算机科学 2024-03-19 Rui Pan , Yuxing Liu , Xiaoyu Wang , Tong Zhang

Obtaining data to train robust artificial intelligence (AI)-based models for species classification can be challenging, particularly for rare species. Data augmentation can boost classification accuracy by increasing the diversity of…

声音 · 计算机科学 2025-12-16 Anthony Gibbons , Emma King , Ian Donohue , Andrew Parnell

Efficient and robust data clustering remains a challenging task in the field of data analysis. Recent efforts have explored the integration of granular-ball (GB) computing with clustering algorithms to address this challenge, yielding…

机器学习 · 计算机科学 2024-05-16 Zihang Jia , Zhen Zhang , Witold Pedrycz

Dataset distillation compresses large-scale datasets into compact, highly informative synthetic data, significantly reducing storage and training costs. However, existing research primarily focuses on balanced datasets and struggles to…

计算机视觉与模式识别 · 计算机科学 2025-11-25 Chenyang Jiang , Hang Zhao , Xinyu Zhang , Zhengcen Li , Qiben Shan , Shaocong Wu , Jingyong Su

Automation is at the core of modern industry. It aims to increase production rates, decrease production costs, and reduce human intervention in order to avoid human mistakes and time delays during manufacturing. On the other hand, human…

机器学习 · 计算机科学 2019-10-16 Hosny Abbas

Tuning of model-based boosting algorithms relies mainly on the number of iterations, while the step-length is fixed at a predefined value. For complex models with several predictors such as Generalized Additive Models for Location, Scale…

统计方法学 · 统计学 2021-02-19 Boyao Zhang , Tobias Hepp , Sonja Greven , Elisabeth Bergherr

While synthetic tabular data generation using Deep Generative Models (DGMs) offers a compelling solution to data scarcity and privacy concerns, their effectiveness relies on the availability of substantial training data, often lacking in…

机器学习 · 计算机科学 2025-08-01 Patricia A. Apellániz , Ana Jiménez , Borja Arroyo Galende , Juan Parras , Santiago Zazo

A recently-proposed technique called self-adaptive training augments modern neural networks by allowing them to adjust training labels on the fly, to avoid overfitting to samples that may be mislabeled or otherwise non-representative. By…

机器学习 · 计算机科学 2020-06-16 Daniel Chiu , Franklyn Wang , Scott Duke Kominers

Boosting has attracted much research attention in the past decade. The success of boosting algorithms may be interpreted in terms of the margin theory. Recently it has been shown that generalization error of classifiers can be obtained by…

机器学习 · 计算机科学 2010-01-06 Chunhua Shen , Hanxi Li

Accurately interpreting cardiac auscultation signals plays a crucial role in diagnosing and managing cardiovascular diseases. However, the paucity of labelled data inhibits classification models' training. Researchers have turned to…

声音 · 计算机科学 2025-06-18 Leigh Abbott , Milan Marocchi , Matthew Fynn , Yue Rong , Sven Nordholm