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相关论文: Active Learning for Point Cloud Semantic Segmentat…

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3D object detection has recently received much attention due to its great potential in autonomous vehicle (AV). The success of deep learning based object detectors relies on the availability of large-scale annotated datasets, which is…

计算机视觉与模式识别 · 计算机科学 2024-10-23 Jinpeng Lin , Zhihao Liang , Shengheng Deng , Lile Cai , Tao Jiang , Tianrui Li , Kui Jia , Xun Xu

Semantic segmentation of satellite imagery plays a vital role in land cover mapping and environmental monitoring. However, annotating large-scale, high-resolution satellite datasets is costly and time consuming, especially when covering…

计算机视觉与模式识别 · 计算机科学 2026-04-13 Gadi Hemanth Kumar , Athira Nambiar , Pankaj Bodani

Point cloud analysis (such as 3D segmentation and detection) is a challenging task, because of not only the irregular geometries of many millions of unordered points, but also the great variations caused by depth, viewpoint, occlusion, etc.…

计算机视觉与模式识别 · 计算机科学 2023-07-28 Tuo Feng , Wenguan Wang , Xiaohan Wang , Yi Yang , Qinghua Zheng

Reliance on vast annotations to achieve leading performance severely restricts the practicality of large-scale point cloud semantic segmentation. For the purpose of reducing data annotation costs, effective labeling schemes are developed…

计算机视觉与模式识别 · 计算机科学 2022-11-24 Puzuo Wang , Wei Yao , Jie Shao

3D point cloud semantic segmentation aims to group all points into different semantic categories, which benefits important applications such as point cloud scene reconstruction and understanding. Existing supervised point cloud semantic…

计算机视觉与模式识别 · 计算机科学 2023-03-29 Canyu Zhang , Zhenyao Wu , Xinyi Wu , Ziyu Zhao , Song Wang

Labeling a large set of data is expensive. Active learning aims to tackle this problem by asking to annotate only the most informative data from the unlabeled set. We propose a novel active learning approach that utilizes self-supervised…

计算机视觉与模式识别 · 计算机科学 2022-07-27 John Seon Keun Yi , Minseok Seo , Jongchan Park , Dong-Geol Choi

Semantic segmentation of 3D point clouds is important for many applications, such as autonomous driving. To train semantic segmentation models, labeled point cloud segmentation datasets are essential. Meanwhile, point cloud labeling is…

人机交互 · 计算机科学 2026-02-12 Yu Zhang , Xinyi Zhao , Chongke Bi , Siming Chen

Active learning is particularly of interest for semantic segmentation, where annotations are costly. Previous academic studies focused on datasets that are already very diverse and where the model is trained in a supervised manner with a…

计算机视觉与模式识别 · 计算机科学 2023-03-17 Sudhanshu Mittal , Joshua Niemeijer , Jörg P. Schäfer , Thomas Brox

To further reduce the cost of semi-supervised domain adaptation (SSDA) labeling, a more effective way is to use active learning (AL) to annotate a selected subset with specific properties. However, domain adaptation tasks are always…

计算机视觉与模式识别 · 计算机科学 2022-05-26 Hao Zhang , Ruimao Zhang , Zhanglin Peng , Junle Wang , Yanqing Jing

Active learning (AL) is a prominent technique for reducing the annotation effort required for training machine learning models. Deep learning offers a solution for several essential obstacles to deploying AL in practice but introduces many…

Active learning is considered a viable solution to alleviate the contradiction between the high dependency of deep learning-based segmentation methods on annotated data and the expensive pixel-level annotation cost of medical images.…

计算机视觉与模式识别 · 计算机科学 2024-10-23 Jun Shi , Shulan Ruan , Ziqi Zhu , Minfan Zhao , Hong An , Xudong Xue , Bing Yan

Active learning (AL) has the potential to drastically reduce annotation costs in 3D biomedical image segmentation, where expert labeling of volumetric data is both time-consuming and expensive. Yet, existing AL methods are unable to…

计算机视觉与模式识别 · 计算机科学 2026-01-21 Carsten T. Lüth , Jeremias Traub , Kim-Celine Kahl , Till J. Bungert , Lukas Klein , Lars Krämer , Paul F. Jäger , Klaus Maier-Hein , Fabian Isensee

Active learning (AL) techniques reduce labeling costs for training neural machine translation (NMT) models by selecting smaller representative subsets from unlabeled data for annotation. Diversity sampling techniques select heterogeneous…

计算与语言 · 计算机科学 2024-12-19 Abdul Hameed Azeemi , Ihsan Ayyub Qazi , Agha Ali Raza

Active Learning (AL) addresses the high costs of collecting human annotations by strategically annotating the most informative samples. However, for subjective NLP tasks, incorporating a wide range of perspectives in the annotation process…

计算与语言 · 计算机科学 2024-10-24 Michiel van der Meer , Neele Falk , Pradeep K. Murukannaiah , Enrico Liscio

Recent advances in point cloud perception have demonstrated remarkable progress in scene understanding through vision-language alignment leveraging large language models (LLMs). However, existing methods may still encounter challenges in…

计算机视觉与模式识别 · 计算机科学 2025-07-01 Zhenhua Ning , Zhuotao Tian , Shaoshuai Shi , Guangming Lu , Daojing He , Wenjie Pei , Li Jiang

3D semantic scene understanding tasks have achieved great success with the emergence of deep learning, but often require a huge amount of manually annotated training data. To alleviate the annotation cost, we propose the first…

计算机视觉与模式识别 · 计算机科学 2023-08-04 Shichao Dong , Guosheng Lin

To address the annotation burden in LiDAR-based 3D object detection, active learning (AL) methods offer a promising solution. However, traditional active learning approaches solely rely on a small amount of labeled data to train an initial…

计算机视觉与模式识别 · 计算机科学 2025-03-25 Zengran Wang , Yanan Zhang , Jiaxin Chen , Di Huang

Many existing approaches for 3D point cloud semantic segmentation are fully supervised. These fully supervised approaches heavily rely on large amounts of labeled training data that are difficult to obtain and cannot segment new classes…

计算机视觉与模式识别 · 计算机科学 2021-03-30 Na Zhao , Tat-Seng Chua , Gim Hee Lee

Annotating datasets for object detection is an expensive and time-consuming endeavor. To minimize this burden, active learning (AL) techniques are employed to select the most informative samples for annotation within a constrained…

计算机视觉与模式识别 · 计算机科学 2024-03-15 Chenhongyi Yang , Lichao Huang , Elliot J. Crowley

Active learning (AL) can reduce annotation costs in surgical video analysis while maintaining model performance. However, traditional AL methods, developed for images or short video clips, are suboptimal for surgical step recognition due to…

计算机视觉与模式识别 · 计算机科学 2025-07-30 Nisarg A. Shah , Bardia Safaei , Shameema Sikder , S. Swaroop Vedula , Vishal M. Patel