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The conventional few-shot classification aims at learning a model on a large labeled base dataset and rapidly adapting to a target dataset that is from the same distribution as the base dataset. However, in practice, the base and the target…

Computer Vision and Pattern Recognition · Computer Science 2023-11-07 Hao Zheng , Runqi Wang , Jianzhuang Liu , Asako Kanezaki

We consider the few-shot classification task with an unbalanced dataset, in which some classes have sufficient training samples while other classes only have limited training samples. Recent works have proposed to solve this task by…

Computer Vision and Pattern Recognition · Computer Science 2020-08-25 Vivek Roy , Yan Xu , Yu-Xiong Wang , Kris Kitani , Ruslan Salakhutdinov , Martial Hebert

Many machine learning classification tasks involve imbalanced datasets, which are often subject to over-sampling techniques aimed at improving model performance. However, these techniques are prone to generating unrealistic or infeasible…

Machine Learning · Computer Science 2026-03-17 Matheus Camilo da Silva , Gabriel Gustavo Costanzo , Andrea de Lorenzo , Sylvio Barbon Junior

Few-shot classification consists of learning a predictive model that is able to effectively adapt to a new class, given only a few annotated samples. To solve this challenging problem, meta-learning has become a popular paradigm that…

Computer Vision and Pattern Recognition · Computer Science 2019-09-02 Nikita Dvornik , Cordelia Schmid , Julien Mairal

Few-shot classification aims to learn a classifier to recognize unseen classes during training, where the learned model can easily become over-fitted based on the biased distribution formed by only a few training examples. A recent solution…

Machine Learning · Computer Science 2022-10-11 Dandan Guo , Long Tian , He Zhao , Mingyuan Zhou , Hongyuan Zha

Few-shot learning is a challenging task that aims at training a classifier for unseen classes with only a few training examples. The main difficulty of few-shot learning lies in the lack of intra-class diversity within insufficient training…

Computer Vision and Pattern Recognition · Computer Science 2020-01-01 Mengting Chen , Yuxin Fang , Xinggang Wang , Heng Luo , Yifeng Geng , Xinyu Zhang , Chang Huang , Wenyu Liu , Bo Wang

Transfer learning enables the sharing of common knowledge among models for a variety of downstream tasks, but traditional methods suffer in limited training data settings and produce narrow models incapable of effectively generalizing under…

Computer Vision and Pattern Recognition · Computer Science 2023-11-07 Kevin Vogt-Lowell , Noah Lee , Theodoros Tsiligkaridis , Marc Vaillant

Few-shot classification aims to recognize unseen classes with few labeled samples from each class. Many meta-learning models for few-shot classification elaborately design various task-shared inductive bias (meta-knowledge) to solve such…

Computer Vision and Pattern Recognition · Computer Science 2021-05-04 Haoqing Wang , Zhi-Hong Deng

We propose Regularized Learning under Label shifts (RLLS), a principled and a practical domain-adaptation algorithm to correct for shifts in the label distribution between a source and a target domain. We first estimate importance weights…

Machine Learning · Computer Science 2020-08-10 Kamyar Azizzadenesheli , Anqi Liu , Fanny Yang , Animashree Anandkumar

Agricultural datasets for crop row detection are often bound by their limited number of images. This restricts the researchers from developing deep learning based models for precision agricultural tasks involving crop row detection. We…

Computer Vision and Pattern Recognition · Computer Science 2024-10-28 Rajitha de Silva , Grzegorz Cielniak , Junfeng Gao

Class distribution plays an important role in learning deep classifiers. When the proportion of each class in the test set differs from the training set, the performance of classification nets usually degrades. Such a label distribution…

Image and Video Processing · Electrical Eng. & Systems 2022-07-12 Wenao Ma , Cheng Chen , Shuang Zheng , Jing Qin , Huimao Zhang , Qi Dou

Adverse drug events are a significant source of preventable harm, which has led to the development of automated pill recognition systems to enhance medication safety. Real-world deployment of these systems is hindered by visually complex…

Computer Vision and Pattern Recognition · Computer Science 2026-03-12 W. I. Chu , G. Tarroni , L. Li

Deep learning-based models are developed to automatically detect if a retina image is `referable' in diabetic retinopathy (DR) screening. However, their classification accuracy degrades as the input images distributionally shift from their…

Computer Vision and Pattern Recognition · Computer Science 2021-07-27 Jay Nandy , Wynne Hsu , Mong Li Lee

Distribution estimation has been demonstrated as one of the most effective approaches in dealing with few-shot image classification, as the low-level patterns and underlying representations can be easily transferred across different tasks…

Computation and Language · Computer Science 2023-03-30 Han Liu , Feng Zhang , Xiaotong Zhang , Siyang Zhao , Fenglong Ma , Xiao-Ming Wu , Hongyang Chen , Hong Yu , Xianchao Zhang

Meta-learning has emerged as a prominent technology for few-shot text classification and has achieved promising performance. However, existing methods often encounter difficulties in drawing accurate class prototypes from support set…

Computer Vision and Pattern Recognition · Computer Science 2024-10-15 Xinyue Liu , Yunlong Gao , Linlin Zong , Bo Xu

Unsupervised Domain Adaptation transfers knowledge from a labeled source domain to an unlabeled target domain. Directly deploying Vision-Language Models (VLMs) with prompt tuning in downstream UDA tasks faces the signifi cant challenge of…

Computer Vision and Pattern Recognition · Computer Science 2025-12-19 Chao Li , Dasha Hu , Chengyang Li , Yuming Jiang , Yuncheng Shen

Recent advances in dataset distillation have led to solutions in two main directions. The conventional batch-to-batch matching mechanism is ideal for small-scale datasets and includes bi-level optimization methods on models and syntheses,…

Computer Vision and Pattern Recognition · Computer Science 2025-06-10 Zhiqiang Shen , Ammar Sherif , Zeyuan Yin , Shitong Shao

Denoising diffusion probabilistic models (DDPMs) have been proven capable of synthesizing high-quality images with remarkable diversity when trained on large amounts of data. However, to our knowledge, few-shot image generation tasks have…

Computer Vision and Pattern Recognition · Computer Science 2023-03-08 Jingyuan Zhu , Huimin Ma , Jiansheng Chen , Jian Yuan

With the widespread success of deep neural networks in science and technology, it is becoming increasingly important to quantify the uncertainty of the predictions produced by deep learning. In this paper, we introduce a new method that…

Machine Learning · Computer Science 2019-08-15 Qingyang Wu , He Li , Lexin Li , Zhou Yu

Imbalanced data distributions are prevalent in real-world scenarios, posing significant challenges in both imbalanced classification and imbalanced regression tasks. They often cause deep learning models to overfit in areas of high sample…

Machine Learning · Computer Science 2025-03-31 Guangkun Nie , Gongzheng Tang , Shenda Hong