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Related papers: Unsupervised Domain Adaptation for Monocular 3D Ob…

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Simulators can efficiently generate large amounts of labeled synthetic data with perfect supervision for hard-to-label tasks like semantic segmentation. However, they introduce a domain gap that severely hurts real-world performance. We…

Computer Vision and Pattern Recognition · Computer Science 2021-08-19 Vitor Guizilini , Jie Li , Rares Ambrus , Adrien Gaidon

Unsupervised domain adaption (UDA) is a transfer learning task where the data and annotations of the source domain are available but only have access to the unlabeled target data during training. Most previous methods try to minimise the…

Computer Vision and Pattern Recognition · Computer Science 2022-11-17 Xinyao Shu , Shiyang Yan , Zhenyu Lu , Xinshao Wang , Yuan Xie

The unsupervised pretraining of object detectors has recently become a key component of object detector training, as it leads to improved performance and faster convergence during the supervised fine-tuning stage. Existing unsupervised…

Computer Vision and Pattern Recognition · Computer Science 2024-07-09 Ioannis Maniadis Metaxas , Adrian Bulat , Ioannis Patras , Brais Martinez , Georgios Tzimiropoulos

Despite its importance, unsupervised domain adaptation (UDA) on LiDAR semantic segmentation is a task that has not received much attention from the research community. Only recently, a completion-based 3D method has been proposed to tackle…

Computer Vision and Pattern Recognition · Computer Science 2022-05-24 Eojindl Yi , Juyoung Yang , Junmo Kim

Stripe-like space target detection (SSTD) is crucial for space situational awareness. Traditional unsupervised methods often fail in low signal-to-noise ratio and variable stripe-like space targets scenarios, leading to weak generalization.…

Computer Vision and Pattern Recognition · Computer Science 2024-08-12 Zijian Zhu , Ali Zia , Xuesong Li , Bingbing Dan , Yuebo Ma , Hongfeng Long , Kaili Lu , Enhai Liu , Rujin Zhao

Mobile monocular 3D object detection (Mono3D) (e.g., on a vehicle, a drone, or a robot) is an important yet challenging task. Existing transformer-based offline Mono3D models adopt grid-based vision tokens, which is suboptimal when using…

Computer Vision and Pattern Recognition · Computer Science 2023-03-24 Yunsong Zhou , Hongzi Zhu , Quan Liu , Shan Chang , Minyi Guo

Manual annotation of 3D medical images for segmentation tasks is tedious and time-consuming. Moreover, data privacy limits the applicability of crowd sourcing to perform data annotation in medical domains. As a result, training deep neural…

Computer Vision and Pattern Recognition · Computer Science 2024-10-15 Ruitong Sun , Mohammad Rostami

The divergence between labeled training data and unlabeled testing data is a significant challenge for recent deep learning models. Unsupervised domain adaptation (UDA) attempts to solve such problem. Recent works show that self-training is…

Computer Vision and Pattern Recognition · Computer Science 2025-03-26 Chuang Zhu , Kebin Liu , Wenqi Tang , Ke Mei , Jiaqi Zou , Tiejun Huang

Monocular 3D object detection poses a significant challenge in 3D scene understanding due to its inherently ill-posed nature in monocular depth estimation. Existing methods heavily rely on supervised learning using abundant 3D labels,…

Computer Vision and Pattern Recognition · Computer Science 2024-04-02 Zihua Liu , Hiroki Sakuma , Masatoshi Okutomi

Accurate monocular 3D object detection (M3OD) is pivotal for safety-critical applications like autonomous driving, yet its reliability deteriorates significantly under real-world domain shifts caused by environmental or sensor variations.…

Computer Vision and Pattern Recognition · Computer Science 2025-08-29 Zixuan Hu , Dongxiao Li , Xinzhu Ma , Shixiang Tang , Xiaotong Li , Wenhan Yang , Ling-Yu Duan

While DETR-like architectures have demonstrated significant potential for monocular 3D object detection, they are often hindered by a critical limitation: the exclusion of 3D attributes from the bipartite matching process. This exclusion…

Computer Vision and Pattern Recognition · Computer Science 2026-01-06 Kiet Dang Vu , Trung Thai Tran , Kien Nguyen Do Trung , Duc Dung Nguyen

While huge volumes of unlabeled data are generated and made available in many domains, the demand for automated understanding of visual data is higher than ever before. Most existing machine learning models typically rely on massive amounts…

Computer Vision and Pattern Recognition · Computer Science 2021-12-14 Youshan Zhang

Monocular depth estimation has been increasingly adopted in robotics and autonomous driving for its ability to infer scene geometry from a single camera. In self-supervised monocular depth estimation frameworks, the network jointly…

Computer Vision and Pattern Recognition · Computer Science 2025-09-18 Tae-Wook Um , Ki-Hyeon Kim , Hyun-Duck Choi , Hyo-Sung Ahn

By leveraging data from a fully labeled source domain, unsupervised domain adaptation (UDA) improves classification performance on an unlabeled target domain through explicit discrepancy minimization of data distribution or adversarial…

Computer Vision and Pattern Recognition · Computer Science 2021-12-06 Shengjia Zhang , Tiancheng Lin , Yi Xu

Domain gap between synthetic and real data in visual regression (e.g. 6D pose estimation) is bridged in this paper via global feature alignment and local refinement on the coarse classification of discretized anchor classes in target space,…

Computer Vision and Pattern Recognition · Computer Science 2023-11-21 Yichen Zhang , Jiehong Lin , Ke Chen , Zelin Xu , Yaowei Wang , Kui Jia

Graph Anomaly Detection (GAD) has demonstrated great effectiveness in identifying unusual patterns within graph-structured data. However, while labeled anomalies are often scarce in emerging applications, existing supervised GAD approaches…

Machine Learning · Computer Science 2025-10-21 Delaram Pirhayati , Arlei Silva

Supervised learning with large scale labeled datasets and deep layered models has made a paradigm shift in diverse areas in learning and recognition. However, this approach still suffers generalization issues under the presence of a domain…

Machine Learning · Statistics 2016-03-28 Ozan Sener , Hyun Oh Song , Ashutosh Saxena , Silvio Savarese

Unsupervised domain adaptation (UDA) for image classification has made remarkable progress in transferring classification knowledge from a labeled source domain to an unlabeled target domain, thanks to effective domain alignment techniques.…

Computer Vision and Pattern Recognition · Computer Science 2024-01-12 Lin Zhang , Linghan Xu , Saman Motamed , Shayok Chakraborty , Fernando De la Torre

"Self-training" has become a dominant method for semantic segmentation via unsupervised domain adaptation (UDA). It creates a set of pseudo labels for the target domain to give explicit supervision. However, the pseudo labels are noisy,…

Computer Vision and Pattern Recognition · Computer Science 2021-10-22 Inseop Chung , Jayeon Yoo , Nojun Kwak

Supervised depth estimation has achieved high accuracy due to the advanced deep network architectures. Since the groundtruth depth labels are hard to obtain, recent methods try to learn depth estimation networks in an unsupervised way by…

Computer Vision and Pattern Recognition · Computer Science 2019-04-04 Shanshan Zhao , Huan Fu , Mingming Gong , Dacheng Tao
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