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Existing approaches for unsupervised domain adaptive object detection perform feature alignment via adversarial training. While these methods achieve reasonable improvements in performance, they typically perform category-agnostic domain…

Computer Vision and Pattern Recognition · Computer Science 2021-04-06 Vibashan VS , Vikram Gupta , Poojan Oza , Vishwanath A. Sindagi , Vishal M. Patel

Point-cloud-based 3D object detection suffers from performance degradation when encountering data with novel domain gaps. To tackle it, the single-domain generalization (SDG) aims to generalize the detection model trained in a limited…

Computer Vision and Pattern Recognition · Computer Science 2024-02-29 Shuangzhi Li , Lei Ma , Xingyu Li

Underexposure regions are vital to construct a complete perception of the surroundings for safe autonomous driving. The availability of thermal cameras has provided an essential alternate to explore regions where other optical sensors lack…

Computer Vision and Pattern Recognition · Computer Science 2021-05-04 Farzeen Munir , Shoaib Azam , Muhammd Aasim Rafique , Ahmad Muqeem Sheri , Moongu Jeon , Witold Pedrycz

We introduce a novel unsupervised domain adaptation approach for object detection. We aim to alleviate the imperfect translation problem of pixel-level adaptations, and the source-biased discriminativity problem of feature-level adaptations…

Computer Vision and Pattern Recognition · Computer Science 2019-05-15 Taekyung Kim , Minki Jeong , Seunghyeon Kim , Seokeon Choi , Changick Kim

Deep learning-based object detectors have shown remarkable improvements. However, supervised learning-based methods perform poorly when the train data and the test data have different distributions. To address the issue, domain adaptation…

Computer Vision and Pattern Recognition · Computer Science 2019-09-04 Seunghyeon Kim , Jaehoon Choi , Taekyung Kim , Changick Kim

Adapting visual object detectors to operational target domains is a challenging task, commonly achieved using unsupervised domain adaptation (UDA) methods. Recent studies have shown that when the labeled dataset comes from multiple source…

Computer Vision and Pattern Recognition · Computer Science 2024-08-02 Atif Belal , Akhil Meethal , Francisco Perdigon Romero , Marco Pedersoli , Eric Granger

Traditional place categorization approaches in robot vision assume that training and test images have similar visual appearance. Therefore, any seasonal, illumination and environmental changes typically lead to severe degradation in…

Robotics · Computer Science 2018-05-31 Massimiliano Mancini , Samuel Rota Bulò , Barbara Caputo , Elisa Ricci

The performance of state-of-the-art object detectors degrades significantly under adverse weather, causing a safety-critical domain shift problem for autonomous vehicles. Recent efforts address this problem by relying on synthetic data to…

Computer Vision and Pattern Recognition · Computer Science 2026-05-05 Hamed Khatounabadi , Xiaohu Lu , Hayder Radha

Joint scene understanding and segmentation for automotive applications is a challenging problem in two key aspects:- (1) classifying every pixel in the entire scene and (2) performing this task under unstable weather and illumination…

Machine Learning · Computer Science 2019-09-18 Naif Alshammari , Samet Akçay , Toby P. Breckon

Test-time Adaptation (TTA) poses a challenge, requiring models to dynamically adapt and perform optimally on shifting target domains. This task is particularly emphasized in real-world driving scenes, where weather domain shifts occur…

Computer Vision and Pattern Recognition · Computer Science 2026-04-01 Dongjae Jeon , Taeheon Kim , Seongwon Cho , Minhyuk Seo , Jonghyun Choi

Domain adaptation methods for object detection (OD) strive to mitigate the impact of distribution shifts by promoting feature alignment across source and target domains. Multi-source domain adaptation (MSDA) allows leveraging multiple…

Computer Vision and Pattern Recognition · Computer Science 2024-12-13 Atif Belal , Akhil Meethal , Francisco Perdigon Romero , Marco Pedersoli , Eric Granger

3D object detection is crucial for applications like autonomous driving and robotics. However, in real-world environments, variations in sensor data distribution due to sensor upgrades, weather changes, and geographic differences can…

Computer Vision and Pattern Recognition · Computer Science 2024-06-18 Yecheol Kim , Junho Lee , Changsoo Park , Hyoung won Kim , Inho Lim , Christopher Chang , Jun Won Choi

Most existing domain adaptation (DA) methods align the features based on the domain feature distributions and ignore aspects related to fog, background and target objects, rendering suboptimal performance. In our DA framework, we retain the…

Computer Vision and Pattern Recognition · Computer Science 2022-11-28 Xin Yang , Michael Bi Mi , Yuan Yuan , Xin Wang , Robby T. Tan

The objective of unsupervised domain adaptation is to leverage features from a labeled source domain and learn a classifier for an unlabeled target domain, with a similar but different data distribution. Most deep learning approaches to…

Computer Vision and Pattern Recognition · Computer Science 2018-04-19 Pedro O. Pinheiro

Human adaptability relies crucially on learning and merging knowledge from both supervised and unsupervised tasks: the parents point out few important concepts, but then the children fill in the gaps on their own. This is particularly…

Computer Vision and Pattern Recognition · Computer Science 2021-04-01 Silvia Bucci , Antonio D'Innocente , Yujun Liao , Fabio Maria Carlucci , Barbara Caputo , Tatiana Tommasi

Large-scale labeled training datasets have enabled deep neural networks to excel across a wide range of benchmark vision tasks. However, in many applications, it is prohibitively expensive and time-consuming to obtain large quantities of…

Computer Vision and Pattern Recognition · Computer Science 2020-09-22 Sicheng Zhao , Xiangyu Yue , Shanghang Zhang , Bo Li , Han Zhao , Bichen Wu , Ravi Krishna , Joseph E. Gonzalez , Alberto L. Sangiovanni-Vincentelli , Sanjit A. Seshia , Kurt Keutzer

Domain adaptation aims to learn models on a supervised source domain that perform well on an unsupervised target. Prior work has examined domain adaptation in the context of stationary domain shifts, i.e. static data sets. However, with…

Computer Vision and Pattern Recognition · Computer Science 2018-08-03 Sindi Shkodrani , Michael Hofmann , Efstratios Gavves

This work presents a new method for unsupervised thermal image classification and semantic segmentation by transferring knowledge from the RGB domain using a multi-domain attention network. Our method does not require any thermal…

Computer Vision and Pattern Recognition · Computer Science 2022-10-11 Lu Gan , Connor Lee , Soon-Jo Chung

The classification and recognition of maritime objects are crucial for enhancing maritime safety, monitoring, and intelligent sea environment prediction. However, existing unsupervised methods for maritime object classification often…

Computer Vision and Pattern Recognition · Computer Science 2025-11-13 Dan Song , Shumeng Huo , Wenhui Li , Lanjun Wang , Chao Xue , An-An Liu

In real applications, object detectors based on deep networks still face challenges of the large domain gap between the labeled training data and unlabeled testing data. To reduce the gap, recent techniques are proposed by aligning the…

Computer Vision and Pattern Recognition · Computer Science 2020-07-07 Sanli Tang , Zhanzhan Cheng , Shiliang Pu , Dashan Guo , Yi Niu , Fei Wu