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

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Referring 3D Segmentation is a visual-language task that segments all points of the specified object from a 3D point cloud described by a sentence of query. Previous works perform a two-stage paradigm, first conducting language-agnostic…

计算机视觉与模式识别 · 计算机科学 2024-10-29 Xuexun Liu , Xiaoxu Xu , Jinlong Li , Qiudan Zhang , Xu Wang , Nicu Sebe , Lin Ma

Active Learning (AL) for semantic segmentation is challenging due to heavy class imbalance and different ways of defining "sample" (pixels, areas, etc.), leaving the interpretation of the data distribution ambiguous. We propose…

计算机视觉与模式识别 · 计算机科学 2023-08-30 Amirsaeed Yazdani , Xuelu Li , Vishal Monga

Accurate semantic segmentation of terrestrial laser scanning (TLS) point clouds is limited by costly manual annotation. We propose a semi-automated, uncertainty-aware pipeline that integrates spherical projection, feature enrichment,…

计算机视觉与模式识别 · 计算机科学 2026-02-10 Fei Zhang , Rob Chancia , Josie Clapp , Amirhossein Hassanzadeh , Dimah Dera , Richard MacKenzie , Jan van Aardt

Active learning for sentence understanding aims at discovering informative unlabeled data for annotation and therefore reducing the demand for labeled data. We argue that the typical uncertainty sampling method for active learning is…

计算与语言 · 计算机科学 2020-10-29 Dongyu Ru , Jiangtao Feng , Lin Qiu , Hao Zhou , Mingxuan Wang , Weinan Zhang , Yong Yu , Lei Li

The availability of highly accurate urban airborne laser scanning (ALS) data will increase rapidly in the future, especially as acquisition costs decrease, for example through the use of drones. Current challenges in data processing are…

计算机视觉与模式识别 · 计算机科学 2024-10-25 Oona Oinonen , Lassi Ruoppa , Josef Taher , Matti Lehtomäki , Leena Matikainen , Kirsi Karila , Teemu Hakala , Antero Kukko , Harri Kaartinen , Juha Hyyppä

Despite plenty of efforts focusing on improving the domain adaptation ability (DA) under unsupervised or few-shot semi-supervised settings, recently the solution of active learning started to attract more attention due to its suitability in…

机器学习 · 计算机科学 2022-04-05 Ming Xie , Yuxi Li , Yabiao Wang , Zekun Luo , Zhenye Gan , Zhongyi Sun , Mingmin Chi , Chengjie Wang , Pei Wang

The field of Natural Language Generation (NLG) suffers from a severe shortage of labeled data due to the extremely expensive and time-consuming process involved in manual annotation. A natural approach for coping with this problem is active…

计算与语言 · 计算机科学 2023-10-18 Yotam Perlitz , Ariel Gera , Michal Shmueli-Scheuer , Dafna Sheinwald , Noam Slonim , Liat Ein-Dor

Semantic segmentation is crucial for various biomedical applications, yet its reliance on large annotated datasets presents a bottleneck due to the high cost and specialized expertise required for manual labeling. Active Learning (AL) aims…

计算机视觉与模式识别 · 计算机科学 2025-11-25 Carsten T. Lüth , Jeremias Traub , Kim-Celine Kahl , Till J. Bungert , Lukas Klein , Lars Krämer , Paul F. Jaeger , Fabian Isensee , Klaus Maier-Hein

Training models dedicated to semantic segmentation requires a large amount of pixel-wise annotated data. Due to their costly nature, these annotations might not be available for the task at hand. To alleviate this problem, unsupervised…

计算机视觉与模式识别 · 计算机科学 2022-06-07 Fei Pan , Francois Rameau , Junsik Kim , In So Kweon

The task of Novel Class Discovery (NCD) in semantic segmentation entails training a model able to accurately segment unlabelled (novel) classes, relying on the available supervision from annotated (base) classes. Although extensively…

计算机视觉与模式识别 · 计算机科学 2024-08-21 Luigi Riz , Cristiano Saltori , Yiming Wang , Elisa Ricci , Fabio Poiesi

Semantic segmentation is a complex task that relies heavily on large amounts of annotated image data. However, annotating such data can be time-consuming and resource-intensive, especially in the medical domain. Active Learning (AL) is a…

计算机视觉与模式识别 · 计算机科学 2023-12-12 Fei Wu , Pablo Marquez-Neila , Mingyi Zheng , Hedyeh Rafii-Tari , Raphael Sznitman

3D Referring Expression Segmentation (3D-RES) typically requires extensive instance-level annotations, which are time-consuming and costly. Semi-supervised learning (SSL) mitigates this by using limited labeled data alongside abundant…

计算机视觉与模式识别 · 计算机科学 2025-04-18 Wenxin Chen , Mengxue Qu , Weitai Kang , Yan Yan , Yao Zhao , Yunchao Wei

Active learning (AL) aims to enhance model performance by selectively collecting highly informative data, thereby minimizing annotation costs. However, in practical scenarios, unlabeled data may contain out-of-distribution (OOD) samples,…

计算机视觉与模式识别 · 计算机科学 2025-04-15 Jaehyuk Heo , Pilsung Kang

Active learning (AL) aims to optimize model training and reduce annotation costs by selecting the most informative samples for labeling. Typically, AL methods rely on the empirical distribution of labeled data to define the decision…

计算与语言 · 计算机科学 2025-07-23 Hui Xiang , Jinqiao Shi , Ting Zhang , Xiaojie Zhao , Yong Liu , Yong Ma

Manually annotating complex scene point cloud datasets is both costly and error-prone. To reduce the reliance on labeled data, a new model called SnapshotNet is proposed as a self-supervised feature learning approach, which directly works…

计算机视觉与模式识别 · 计算机科学 2022-01-14 Xingye Li , Ling Zhang , Zhigang Zhu

In this paper, we discuss a different type of semi-supervised setting: a coarse level of labeling is available for all observations but the model has to learn a fine level of latent annotation for each one of them. Problems in this setting…

机器学习 · 计算机科学 2017-08-10 Ozsel Kilinc , Ismail Uysal

In the task of 3D Aerial-view Scene Semantic Segmentation (3D-AVS-SS), traditional methods struggle to address semantic ambiguity caused by scale variations and structural occlusions in aerial images. This limits their segmentation accuracy…

计算机视觉与模式识别 · 计算机科学 2025-08-15 Xu Tang , Junan Jia , Yijing Wang , Jingjing Ma , Xiangrong Zhang

Semantic Segmentation is a crucial component in the perception systems of many applications, such as robotics and autonomous driving that rely on accurate environmental perception and understanding. In literature, several approaches are…

计算机视觉与模式识别 · 计算机科学 2021-03-17 Ran Cheng , Ryan Razani , Yuan Ren , Liu Bingbing

LIDAR semantic segmentation, which assigns a semantic label to each 3D point measured by the LIDAR, is becoming an essential task for many robotic applications such as autonomous driving. Fast and efficient semantic segmentation methods are…

计算机视觉与模式识别 · 计算机科学 2021-04-28 Iñigo Alonso , Luis Riazuelo , Luis Montesano , Ana C. Murillo

3D point clouds are a crucial type of data collected by LiDAR sensors and widely used in transportation applications due to its concise descriptions and accurate localization. Deep neural networks (DNNs) have achieved remarkable success in…

计算机视觉与模式识别 · 计算机科学 2023-05-25 Changyu Zeng , Wei Wang , Anh Nguyen , Yutao Yue
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