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Few-shot learning (FSL) aims to recognize novel queries with only a few support samples through leveraging prior knowledge from a base dataset. In this paper, we consider the domain shift problem in FSL and aim to address the domain gap…

Computer Vision and Pattern Recognition · Computer Science 2022-07-19 Wentao Chen , Zhang Zhang , Wei Wang , Liang Wang , Zilei Wang , Tieniu Tan

Few-shot classification aims at classifying categories of a novel task by learning from just a few (typically, 1 to 5) labelled examples. An effective approach to few-shot classification involves a prior model trained on a large-sample base…

Computer Vision and Pattern Recognition · Computer Science 2021-09-22 Rajshekhar Das , Yu-Xiong Wang , JoséM. F. Moura

The proliferation of image manipulation for unethical purposes poses significant challenges in social networks. One particularly concerning method is Image Steganography, allowing individuals to hide illegal information in digital images…

Image and Video Processing · Electrical Eng. & Systems 2024-05-30 Rony Abecidan , Vincent Itier , Jérémie Boulanger , Patrick Bas , Tomáš Pevný

Gradual domain adaptation (GDA) aims to mitigate domain shift by progressively adapting models from the source domain to the target domain via intermediate domains. However, real intermediate domains are often unavailable or ineffective,…

Machine Learning · Computer Science 2026-02-03 Zhichao Chen , Zhan Zhuang , Yunfei Teng , Hao Wang , Fangyikang Wang , Zhengnan Li , Tianqiao Liu , Haoxuan Li , Zhouchen Lin

Current SOTA adversarially robust models are mostly based on adversarial training (AT) and differ only by some regularizers either at inner maximization or outer minimization steps. Being repetitive in nature during the inner maximization…

Machine Learning · Computer Science 2021-11-02 Anindya Sarkar , Anirban Sarkar , Sowrya Gali , Vineeth N Balasubramanian

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

In this work we address the problem of transferring knowledge obtained from a vast annotated source domain to a low labeled target domain. We propose Adversarial Variational Domain Adaptation (AVDA), a semi-supervised domain adaptation…

Machine Learning · Computer Science 2021-01-26 Manuel Pérez-Carrasco , Guillermo Cabrera-Vives , Pavlos Protopapas , Nicolás Astorga , Marouan Belhaj

Enabling robots to learn novel visuomotor skills in a data-efficient manner remains an unsolved problem with myriad challenges. A popular paradigm for tackling this problem is through leveraging large unlabeled datasets that have many…

Robotics · Computer Science 2023-05-16 Maximilian Du , Suraj Nair , Dorsa Sadigh , Chelsea Finn

In recent years, visual tracking methods based on convolutional neural networks and Transformers have achieved remarkable performance and have been successfully applied in fields such as autonomous driving. However, the numerous security…

Computer Vision and Pattern Recognition · Computer Science 2025-05-15 Wei-Long Tian , Peng Gao , Xiao Liu , Long Xu , Hamido Fujita , Hanan Aljuai , Mao-Li Wang

Few-shot learning aims at leveraging knowledge learned by one or more deep learning models, in order to obtain good classification performance on new problems, where only a few labeled samples per class are available. Recent years have seen…

Machine Learning · Computer Science 2022-02-08 Yassir Bendou , Yuqing Hu , Raphael Lafargue , Giulia Lioi , Bastien Pasdeloup , Stéphane Pateux , Vincent Gripon

Unsupervised domain adaptation (UDA) is one of the prominent tasks of transfer learning, and it provides an effective approach to mitigate the distribution shift between the labeled source domain and the unlabeled target domain. Prior works…

Computer Vision and Pattern Recognition · Computer Science 2022-03-15 Yong-Hui Liu , Chuan-Xian Ren , Xiao-Lin Xu , Ke-Kun Huang

Few-shot object detection (FSOD) has garnered significant research attention in the field of remote sensing due to its ability to reduce the dependency on large amounts of annotated data. However, two challenges persist in this area: (1)…

Computer Vision and Pattern Recognition · Computer Science 2024-03-21 Jiawei Zhou , Wuzhou Li , Yi Cao , Hongtao Cai , Xiang Li

We focus on Unsupervised Domain Adaptation (UDA) for the task of semantic segmentation. Recently, adversarial alignment has been widely adopted to match the marginal distribution of feature representations across two domains globally.…

Computer Vision and Pattern Recognition · Computer Science 2019-12-20 Jihan Yang , Ruijia Xu , Ruiyu Li , Xiaojuan Qi , Xiaoyong Shen , Guanbin Li , Liang Lin

Few-shot algorithms aim at learning new tasks provided only a handful of training examples. In this work we investigate few-shot learning in the setting where the data points are sequences of tokens and propose an efficient learning…

Machine Learning · Computer Science 2020-12-18 Lajanugen Logeswaran , Ann Lee , Myle Ott , Honglak Lee , Marc'Aurelio Ranzato , Arthur Szlam

Few shot learning is an important problem in machine learning as large labelled datasets take considerable time and effort to assemble. Most few-shot learning algorithms suffer from one of two limitations- they either require the design of…

Machine Learning · Computer Science 2022-04-12 Shakti Kumar , Hussain Zaidi

Alternating gradient-descent-ascent (AltGDA) is an optimization algorithm that has been widely used for model training in various machine learning applications, which aims to solve a nonconvex minimax optimization problem. However, the…

Machine Learning · Computer Science 2022-05-23 Ziyi Chen , Shaocong Ma , Yi Zhou

Conditional stochastic optimization covers a variety of applications ranging from invariant learning and causal inference to meta-learning. However, constructing unbiased gradient estimators for such problems is challenging due to the…

Optimization and Control · Mathematics 2024-06-04 Yifan Hu , Siqi Zhang , Xin Chen , Niao He

For machine learning applications in medical imaging, the availability of training data is often limited, which hampers the design of radiological classifiers for subtle conditions such as autism spectrum disorder (ASD). Transfer learning…

Image and Video Processing · Electrical Eng. & Systems 2023-03-16 Nikhil J. Dhinagar , Vignesh Santhalingam , Katherine E. Lawrence , Emily Laltoo , Paul M. Thompson

Following the introduction of Adam, several novel adaptive optimizers for deep learning have been proposed. These optimizers typically excel in some tasks but may not outperform Adam uniformly across all tasks. In this work, we introduce…

Machine Learning · Computer Science 2024-06-18 Kaan Ozkara , Can Karakus , Parameswaran Raman , Mingyi Hong , Shoham Sabach , Branislav Kveton , Volkan Cevher

Test-time task adaptation in few-shot learning aims to adapt a pre-trained task-agnostic model for capturing taskspecific knowledge of the test task, rely only on few-labeled support samples. Previous approaches generally focus on…

Computer Vision and Pattern Recognition · Computer Science 2023-12-19 Ji Zhang , Lianli Gao , Xu Luo , Hengtao Shen , Jingkuan Song