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Cross-Domain Few-Shot Object Detection (CD-FSOD) aims to detect novel objects with only a handful of labeled samples from previously unseen domains. While data augmentation and generative methods have shown promise in few-shot learning,…

Computer Vision and Pattern Recognition · Computer Science 2025-12-10 Yu Li , Xingyu Qiu , Yuqian Fu , Jie Chen , Tianwen Qian , Xu Zheng , Danda Pani Paudel , Yanwei Fu , Xuanjing Huang , Luc Van Gool , Yu-Gang Jiang

Augmenting training datasets has been shown to improve the learning effectiveness for several computer vision tasks. A good augmentation produces an augmented dataset that adds variability while retaining the statistical properties of the…

Computer Vision and Pattern Recognition · Computer Science 2020-04-01 Tom Ching LingChen , Ava Khonsari , Amirreza Lashkari , Mina Rafi Nazari , Jaspreet Singh Sambee , Mario A. Nascimento

Unsupervised domain adaptation (UDA) greatly facilitates the deployment of neural networks across diverse environments. However, most state-of-the-art approaches are overly complex, relying on challenging adversarial training strategies, or…

Computer Vision and Pattern Recognition · Computer Science 2025-12-01 Shuchen Du , Shuo Lei , Feiran Li , Jiacheng Li , Daisuke Iso

While deep learning demonstrates its strong ability to handle independent and identically distributed (IID) data, it often suffers from out-of-distribution (OoD) generalization, where the test data come from another distribution (w.r.t. the…

Machine Learning · Computer Science 2020-12-18 Haoyue Bai , Rui Sun , Lanqing Hong , Fengwei Zhou , Nanyang Ye , Han-Jia Ye , S. -H. Gary Chan , Zhenguo Li

Data augmentations are important in training high-performance 3D object detectors for point clouds. Despite recent efforts on designing new data augmentations, perhaps surprisingly, most state-of-the-art 3D detectors only use a few simple…

Computer Vision and Pattern Recognition · Computer Science 2022-10-26 Zhaoqi Leng , Guowang Li , Chenxi Liu , Ekin Dogus Cubuk , Pei Sun , Tong He , Dragomir Anguelov , Mingxing Tan

Object detection at night is a challenging problem due to the absence of night image annotations. Despite several domain adaptation methods, achieving high-precision results remains an issue. False-positive error propagation is still…

Computer Vision and Pattern Recognition · Computer Science 2023-03-27 Mikhail Kennerley , Jian-Gang Wang , Bharadwaj Veeravalli , Robby T. Tan

Deep learning has made significant advancements in supervised learning. However, models trained in this setting often face challenges due to domain shift between training and test sets, resulting in a significant drop in performance during…

Computer Vision and Pattern Recognition · Computer Science 2024-02-08 Lei Qi , Hongpeng Yang , Yinghuan Shi , Xin Geng

Recently, Dynamic Vision Sensors (DVSs) sparked a lot of interest due to their inherent advantages over conventional RGB cameras. These advantages include a low latency, a high dynamic range and a low energy consumption. Nevertheless, the…

Computer Vision and Pattern Recognition · Computer Science 2024-01-05 Katharina Bendig , René Schuster , Didier Stricker

Most contributions on Few-Shot Object Detection (FSOD) evaluate their methods on natural images only, yet the transferability of the announced performance is not guaranteed for applications on other kinds of images. We demonstrate this with…

Computer Vision and Pattern Recognition · Computer Science 2023-10-17 Pierre Le Jeune

The annotation scarcity of medical image segmentation poses challenges in collecting sufficient training data for deep learning models. Specifically, models trained on limited data may not generalize well to other unseen data domains,…

Image and Video Processing · Electrical Eng. & Systems 2023-07-19 Heng Li , Haojin Li , Wei Zhao , Huazhu Fu , Xiuyun Su , Yan Hu , Jiang Liu

Despite the striking performance achieved by modern detectors when training and test data are sampled from the same or similar distribution, the generalization ability of detectors under unknown distribution shifts remains hardly studied.…

Computer Vision and Pattern Recognition · Computer Science 2022-03-29 Xingxuan Zhang , Zekai Xu , Renzhe Xu , Jiashuo Liu , Peng Cui , Weitao Wan , Chong Sun , Chen Li

Synthetically augmenting training datasets with diffusion models has become an effective strategy for improving the generalization of image classifiers. However, existing approaches typically increase dataset size by 10-30x and struggle to…

Computer Vision and Pattern Recognition · Computer Science 2026-03-05 Dang Nguyen , Jiping Li , Jinghao Zheng , Baharan Mirzasoleiman

Iris presentation attack detection (PAD) has achieved great success under intra-domain settings but easily degrades on unseen domains. Conventional domain generalization methods mitigate the gap by learning domain-invariant features.…

Computer Vision and Pattern Recognition · Computer Science 2023-05-23 Yachun Li , Jingjing Wang , Yuhui Chen , Di Xie , Shiliang Pu

Existing automatic data augmentation (DA) methods either ignore updating DA's parameters according to the target model's state during training or adopt update strategies that are not effective enough. In this work, we design a novel data…

Computer Vision and Pattern Recognition · Computer Science 2023-05-11 Xiaogang Xu , Hengshuang Zhao

It is challenging to train a robust object detector under the supervised learning setting when the annotated data are scarce. Thus, previous approaches tackling this problem are in two categories: semi-supervised learning models that…

Computer Vision and Pattern Recognition · Computer Science 2021-04-06 Guanghan Ning , Guang Chen , Chaowei Tan , Si Luo , Liefeng Bo , Heng Huang

Recently, a number of competitive methods have tackled unsupervised representation learning by maximising the mutual information between the representations produced from augmentations. The resulting representations are then invariant to…

Computer Vision and Pattern Recognition · Computer Science 2020-03-20 Luke Nicholas Darlow , Amos Storkey

This paper introduces a novel dual-region augmentation approach designed to reduce reliance on large-scale labeled datasets while improving model robustness and adaptability across diverse computer vision tasks, including source-free domain…

Computer Vision and Pattern Recognition · Computer Science 2025-06-04 Prasanna Reddy Pulakurthi , Majid Rabbani , Celso M. de Melo , Sohail A. Dianat , Raghuveer M. Rao

Geometric transformations have been widely used to augment the size of training images. Existing methods often assume a unimodal distribution of the underlying transformations between images, which limits their power when data with…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Tonmoy Hossain , Miaomiao Zhang

Data augmentation is an important technique to improve data efficiency and save labeling cost for 3D detection in point clouds. Yet, existing augmentation policies have so far been designed to only utilize labeled data, which limits the…

Computer Vision and Pattern Recognition · Computer Science 2022-10-25 Zhaoqi Leng , Shuyang Cheng , Benjamin Caine , Weiyue Wang , Xiao Zhang , Jonathon Shlens , Mingxing Tan , Dragomir Anguelov

Existing domain generalization aims to learn a generalizable model to perform well even on unseen domains. For many real-world machine learning applications, the data distribution often shifts gradually along domain indices. For example, a…

Computer Vision and Pattern Recognition · Computer Science 2023-03-09 Qiuhao Zeng , Wei Wang , Fan Zhou , Charles Ling , Boyu Wang