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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…

Compared to supervised learning, semi-supervised learning reduces the dependence of deep learning on a large number of labeled samples. In this work, we use a small number of labeled samples and perform data augmentation on unlabeled…

机器学习 · 计算机科学 2020-01-14 Qiuyu Zhu , Tiantian Li

Enforcing orthonormal or isometric property for the weight matrices has been shown to enhance the training of deep neural networks by mitigating gradient exploding/vanishing and increasing the robustness of the learned networks. However,…

机器学习 · 计算机科学 2024-03-01 Zhen Qin , Xuwei Tan , Zhihui Zhu

In this paper we introduce the SCoRe (Submodular Combinatorial Representation Learning) framework, a novel approach in representation learning that addresses inter-class bias and intra-class variance. SCoRe provides a new combinatorial…

机器学习 · 计算机科学 2024-06-07 Anay Majee , Suraj Kothawade , Krishnateja Killamsetty , Rishabh Iyer

In the context of Multi Instance Learning, we analyze the Single Instance (SI) learning objective. We show that when the data is unbalanced and the family of classifiers is sufficiently rich, the SI method is a useful learning algorithm. In…

机器学习 · 计算机科学 2018-12-19 Mark Kozdoba , Edward Moroshko , Lior Shani , Takuya Takagi , Takashi Katoh , Shie Mannor , Koby Crammer

In this paper, we propose deep architectures for learning instance specific abstain (reject option) binary classifiers. The proposed approach uses double sigmoid loss function as described by Kulin Shah and Naresh Manwani in ("Online Active…

机器学习 · 计算机科学 2021-07-08 Bhavya Kalra , Kulin Shah , Naresh Manwani

Recognizing symmetries in data allows for significant boosts in neural network training, which is especially important where training data are limited. In many cases, however, the exact underlying symmetry is present only in an idealized…

高能物理 - 唯象学 · 物理学 2025-04-07 Seth Nabat , Aishik Ghosh , Edmund Witkowski , Gregor Kasieczka , Daniel Whiteson

Support vector machine is an important and fundamental technique in machine learning. In this paper, we apply a semismooth Newton method to solve two typical SVM models: the L2-loss SVC model and the \epsilon-L2-loss SVR model. The…

最优化与控制 · 数学 2019-03-04 Juan Yin , Qingna Li

A particularly interesting instance of supervised learning with kernels is when each training example is associated with two objects, as in pairwise classification (Brunner et al., 2012), and in supervised learning of preference relations…

机器学习 · 计算机科学 2016-10-31 Giorgio Gnecco

Multiple Instance learning (MIL) models have been extensively used in pathology to predict biomarkers and risk-stratify patients from gigapixel-sized images. Machine learning problems in medical imaging often deal with rare diseases, making…

计算机视觉与模式识别 · 计算机科学 2023-09-12 Dinkar Juyal , Siddhant Shingi , Syed Ashar Javed , Harshith Padigela , Chintan Shah , Anand Sampat , Archit Khosla , John Abel , Amaro Taylor-Weiner

Recently, deep learning technology has been successfully applied in the field of image compression, leading to superior rate-distortion performance. It is crucial to design an effective and efficient entropy model to estimate the…

图像与视频处理 · 电气工程与系统科学 2024-07-03 Yongqiang Wang , Haisheng Fu , Qi Cao , Shang Wang , Zhenjiao Chen , Feng Liang

Intelligent fault diagnosis has made extraordinary advancements currently. Nonetheless, few works tackle class-incremental learning for fault diagnosis under limited fault data, i.e., imbalanced and long-tailed fault diagnosis, which brings…

机器学习 · 计算机科学 2023-02-14 Peng Peng , Hanrong Zhang , Mengxuan Li , Gongzhuang Peng , Hongwei Wang , Weiming Shen

We present a method for training multi-label, massively multi-class image classification models, that is faster and more accurate than supervision via a sigmoid cross-entropy loss (logistic regression). Our method consists in embedding…

计算机视觉与模式识别 · 计算机科学 2016-07-20 François Chollet

We consider a bilevel learning framework for learning linear operators. In this framework, the learnable parameters are optimized via a loss function that also depends on the minimizer of a convex optimization problem (denoted lower-level…

Early detection and accurate diagnosis are essential to improving patient outcomes. The use of convolutional neural networks (CNNs) for tumor detection has shown promise, but existing models often suffer from overparameterization, which…

图像与视频处理 · 电气工程与系统科学 2025-05-09 Muhammad Irfan , Anum Nawaz , Riku Klen , Abdulhamit Subasi , Tomi Westerlund , Wei Chen

Spurious correlations are everywhere. While humans often do not perceive them, neural networks are notorious for learning unwanted associations, also known as biases, instead of the underlying decision rule. As a result, practitioners are…

机器学习 · 计算机科学 2023-06-01 Moritz Vandenhirtz , Laura Manduchi , Ričards Marcinkevičs , Julia E. Vogt

Symmetric objects are common in daily life and industry, yet their inherent orientation ambiguities that impede the training of deep learning networks for pose estimation are rarely discussed in the literature. To cope with these…

计算机视觉与模式识别 · 计算机科学 2026-04-21 Andreas Kriegler , Csaba Beleznai , Margrit Gelautz

Decision making and learning in the presence of uncertainty has attracted significant attention in view of the increasing need to achieve robust and reliable operations. In the case where uncertainty stems from the presence of adversarial…

机器学习 · 计算机科学 2024-03-25 André Bertolace , Konstatinos Gatsis , Kostas Margellos

The adoption of deep learning across various fields has been extensive, yet there is a lack of focus on evaluating the performance of deep learning pipelines. Typically, with the increased use of large datasets and complex models, the…

机器学习 · 计算机科学 2024-05-21 Yewen Fan , Nian Si , Xiangchen Song , Kun Zhang

Semi-supervised learning (SSL) has shown notable potential in relieving the heavy demand of dense prediction tasks on large-scale well-annotated datasets, especially for the challenging multi-organ segmentation (MoS). However, the…

计算机视觉与模式识别 · 计算机科学 2025-01-08 Zhenghao Feng , Lu Wen , Yuanyuan Xu , Binyu Yan , Xi Wu , Jiliu Zhou , Yan Wang