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While deep learning strategies achieve outstanding results in computer vision tasks, one issue remains: The current strategies rely heavily on a huge amount of labeled data. In many real-world problems, it is not feasible to create such an…

计算机视觉与模式识别 · 计算机科学 2021-10-14 Lars Schmarje , Monty Santarossa , Simon-Martin Schröder , Reinhard Koch

Small class-imbalanced datasets, common in many high-level semantic tasks like discourse analysis, present a particular challenge to current deep-learning architectures. In this work, we perform an extensive analysis on sentence-level…

计算与语言 · 计算机科学 2021-01-05 Alexander Spangher , Jonathan May , Sz-rung Shiang , Lingjia Deng

Class-imbalanced data, in which some classes contain far more samples than others, is ubiquitous in real-world applications. Standard techniques for handling class-imbalance usually work by training on a re-weighted loss or on re-balanced…

人工智能 · 计算机科学 2021-06-18 Arpit Bansal , Micah Goldblum , Valeriia Cherepanova , Avi Schwarzschild , C. Bayan Bruss , Tom Goldstein

Recent advances in pre-trained language models have improved the performance for text classification tasks. However, little attention is paid to the priority scheduling strategy on the samples during training. Humans acquire knowledge…

计算与语言 · 计算机科学 2022-10-27 Xulong Zhang , Jianzong Wang , Ning Cheng , Jing Xiao

Real-world data often exhibit imbalanced distributions, where certain target values have significantly fewer observations. Existing techniques for dealing with imbalanced data focus on targets with categorical indices, i.e., different…

机器学习 · 计算机科学 2021-05-14 Yuzhe Yang , Kaiwen Zha , Ying-Cong Chen , Hao Wang , Dina Katabi

Multi-label image classification is a prediction task that aims to identify more than one label from a given image. This paper considers the semantic consistency of the latent space between the visual patch and linguistic label domains and…

计算机视觉与模式识别 · 计算机科学 2023-08-21 Miaoge Li , Dongsheng Wang , Xinyang Liu , Zequn Zeng , Ruiying Lu , Bo Chen , Mingyuan Zhou

Class imbalance classification is a challenging research problem in data mining and machine learning, as most of the real-life datasets are often imbalanced in nature. Existing learning algorithms maximise the classification accuracy by…

机器学习 · 计算机科学 2018-09-05 Farshid Rayhan , Sajid Ahmed , Asif Mahbub , Md. Rafsan Jani , Swakkhar Shatabda , Dewan Md. Farid

Text classification, an integral task in natural language processing, involves the automatic categorization of text into predefined classes. Creating supervised labeled datasets for low-resource languages poses a considerable challenge.…

计算与语言 · 计算机科学 2024-06-18 Riya Savant , Anushka Shelke , Sakshi Todmal , Sanskruti Kanphade , Ananya Joshi , Raviraj Joshi

Class imbalance and label noise are pervasive in large-scale datasets, yet much of machine learning research assumes well-labeled, balanced data, which rarely reflects real world conditions. Existing approaches typically address either…

Unsupervised domain adaptation targets to transfer task-related knowledge from labeled source domain to unlabeled target domain. Although tremendous efforts have been made to minimize domain divergence, most existing methods only partially…

计算机视觉与模式识别 · 计算机科学 2023-10-10 Peizhao Li , Zhengming Ding , Hongfu Liu

The monotonic ordinal classification has increased the interest of researchers and practitioners within machine learning community in the last years. In real applications, the problems with monotonicity constraints are very frequent. To…

人工智能 · 计算机科学 2018-10-23 José-Ramón Cano , Julián Luengo , Salvador García

Objective: ML-based clinical risk prediction models are increasingly used to support decision-making in healthcare. While class-imbalance correction techniques are commonly applied to improve model performance in settings with rare…

This study proposes a method for imbalanced data classification based on deep probabilistic graphical models (DPGMs) to solve the problem that traditional methods have insufficient learning ability for minority class samples. To address the…

机器学习 · 计算机科学 2025-04-09 Yujia Lou , Jie Liu , Yuan Sheng , Jiawei Wang , Yiwei Zhang , Yaokun Ren

Mining data streams with multi-label outputs poses significant challenges due to evolving distributions, high-dimensional label spaces, sparse label occurrences, and complex label dependencies. Moreover, concept drift affects not only input…

机器学习 · 计算机科学 2025-12-08 Lara Neves , Afonso Lourenço , Alberto Cano , Goreti Marreiros

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

Despite the availability of large datasets for tasks like image classification and image-text alignment, labeled data for more complex recognition tasks, such as detection and segmentation, is less abundant. In particular, for instance…

计算机视觉与模式识别 · 计算机科学 2024-03-19 François Porcher , Camille Couprie , Marc Szafraniec , Jakob Verbeek

The basic underlying assumption of machine learning (ML) models is that the training and test data are sampled from the same distribution. However, in daily practice, this assumption is often broken, i.e. the distribution of the test data…

Training machine learning models from data with weak supervision and dataset shifts is still challenging. Designing algorithms when these two situations arise has not been explored much, and existing algorithms cannot always handle the most…

机器学习 · 计算机科学 2023-08-30 Pierre Nodet , Vincent Lemaire , Alexis Bondu , Antoine Cornuéjols

Noisy labels can negatively impact the performance of deep neural networks. One common solution is label refurbishment, which involves reconstructing noisy labels through predictions and distributions. However, these methods may introduce…

计算机视觉与模式识别 · 计算机科学 2025-03-31 Wenxiao Fan , Kan Li

Class imbalance remains a critical challenge in semi-supervised learning (SSL), especially when distributional mismatches between labeled and unlabeled data lead to biased classification. Although existing methods address this issue by…

机器学习 · 计算机科学 2025-11-25 Senmao Tian , Xiang Wei , Shunli Zhang