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Neural network models that are not conditioned on class identities were shown to facilitate knowledge transfer between classes and to be well-suited for one-shot learning tasks. Following this motivation, we further explore and establish…

Machine Learning · Statistics 2018-06-28 Gil Keren , Maximilian Schmitt , Thomas Kehrenberg , Björn Schuller

Fine-grained few-shot recognition often suffers from the problem of training data scarcity for novel categories.The network tends to overfit and does not generalize well to unseen classes due to insufficient training data. Many methods have…

Computer Vision and Pattern Recognition · Computer Science 2021-08-26 Jingyi Xu , Hieu Le , Mingzhen Huang , ShahRukh Athar , Dimitris Samaras

Methods in long-tail learning focus on improving performance for data-poor (rare) classes; however, performance for such classes remains much lower than performance for more data-rich (frequent) classes. Analyzing the predictions of…

Computer Vision and Pattern Recognition · Computer Science 2023-07-27 Nadine Chang , Jayanth Koushik , Aarti Singh , Martial Hebert , Yu-Xiong Wang , Michael J. Tarr

As a data-driven method, the performance of deep convolutional neural networks (CNN) relies heavily on training data. The prediction results of traditional networks give a bias toward larger classes, which tend to be the background in the…

Computer Vision and Pattern Recognition · Computer Science 2022-03-04 N. Anantrasirichai , David Bull

Text classification tends to be difficult when data are deficient or when it is required to adapt to unseen classes. In such challenging scenarios, recent studies have often used meta-learning to simulate the few-shot task, thus negating…

Information Retrieval · Computer Science 2019-11-22 Shumin Deng , Ningyu Zhang , Zhanlin Sun , Jiaoyan Chen , Huajun Chen

One of the main issues related to unsupervised machine learning is the cost of processing and extracting useful information from large datasets. In this work, we propose a classifier ensemble based on the transferable learning capabilities…

Computer Vision and Pattern Recognition · Computer Science 2021-07-09 Luis Lucas , David Tomas , Jose Garcia-Rodriguez

We study supervised learning problems using clustering constraints to impose structure on either features or samples, seeking to help both prediction and interpretation. The problem of clustering features arises naturally in text…

Machine Learning · Computer Science 2016-09-20 Vincent Roulet , Fajwel Fogel , Alexandre d'Aspremont , Francis Bach

In some supervised learning settings, the practitioner might have additional information on the features used for prediction. We propose a new method which leverages this additional information for better prediction. The method, which we…

Methodology · Statistics 2020-06-03 J. Kenneth Tay , Nima Aghaeepour , Trevor Hastie , Robert Tibshirani

In recent years, the success of large-scale vision-language models (VLMs) such as CLIP has led to their increased usage in various computer vision tasks. These models enable zero-shot inference through carefully crafted instructional text…

Computer Vision and Pattern Recognition · Computer Science 2023-04-13 Mainak Singha , Ankit Jha , Bhupendra Solanki , Shirsha Bose , Biplab Banerjee

Few-Shot Remote Sensing Scene Classification (FSRSSC) is an important task, which aims to recognize novel scene classes with few examples. Recently, several studies attempt to address the FSRSSC problem by following few-shot natural image…

Computer Vision and Pattern Recognition · Computer Science 2022-10-05 Baoquan Zhang , Shanshan Feng , Xutao Li , Yunming Ye , Rui Ye

Compact convolutional neural networks (CNNs) have witnessed exceptional improvements in performance in recent years. However, they still fail to provide the same predictive power as CNNs with a large number of parameters. The diverse and…

Computer Vision and Pattern Recognition · Computer Science 2021-08-11 Lusine Abrahamyan , Valentin Ziatchin , Yiming Chen , Nikos Deligiannis

In this paper, we study the problem of learning image classification models with label noise. Existing approaches depending on human supervision are generally not scalable as manually identifying correct or incorrect labels is…

Computer Vision and Pattern Recognition · Computer Science 2018-03-28 Kuang-Huei Lee , Xiaodong He , Lei Zhang , Linjun Yang

Confusing classes that are ubiquitous in real world often degrade performance for many vision related applications like object detection, classification, and segmentation. The confusion errors are not only caused by similar visual patterns…

Computer Vision and Pattern Recognition · Computer Science 2018-08-02 Qichuan Geng , Xinyu Huang , Zhong Zhou , Ruigang Yang

Text classification is a crucial and fundamental task in web content mining. Compared with the previous learning paradigm of pre-training and fine-tuning by cross entropy loss, the recently proposed supervised contrastive learning approach…

Computation and Language · Computer Science 2026-01-26 Mengyu Li , Yonghao Liu , Fausto Giunchiglia , Ximing Li , Xiaoyue Feng , Renchu Guan

Short text classification has gained significant attention in the information age due to its prevalence and real-world applications. Recent advancements in graph learning combined with contrastive learning have shown promising results in…

Computation and Language · Computer Science 2025-01-17 Yonghao Liu , Fausto Giunchiglia , Lan Huang , Ximing Li , Xiaoyue Feng , Renchu Guan

Handling class imbalance remains a central challenge in machine learning, particularly in pattern recognition tasks where identifying rare but critical anomalies is of paramount importance. Traditional generative models often decouple data…

Machine Learning · Computer Science 2026-05-05 Hanbeot Park , Yunjeong Cho , Hunhee Kim

Long-tailed multi-label visual recognition poses a significant challenge, as images typically contain multiple labels with highly imbalanced class distributions, leading to biased models that favor head classes while underperforming on tail…

Computer Vision and Pattern Recognition · Computer Science 2025-11-26 Wei Tang , Zuo-Zheng Wang , Kun Zhang , Tong Wei , Min-Ling Zhang

Effective image classification hinges on discerning relevant features from both foreground and background elements, with the foreground typically holding the critical information. While humans adeptly classify images with limited exposure,…

Computer Vision and Pattern Recognition · Computer Science 2024-05-08 Weihao Jiang , Haoyang Cui , Kun He

Few-shot classification aims to adapt classifiers to novel classes with a few training samples. However, the insufficiency of training data may cause a biased estimation of feature distribution in a certain class. To alleviate this problem,…

Computer Vision and Pattern Recognition · Computer Science 2021-12-15 Jing Xu , Xinglin Pan , Xu Luo , Wenjie Pei , Zenglin Xu

A supervised learning algorithm has access to a distribution of labeled examples, and needs to return a function (hypothesis) that correctly labels the examples. The hypothesis of the learner is taken from some fixed class of functions…

Machine Learning · Computer Science 2020-08-25 Eran Malach , Shai Shalev-Shwartz