中文
相关论文

相关论文: ViewPCL: a point cloud based active learning metho…

200 篇论文

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

Active Learning aims to optimize performance while minimizing annotation costs by selecting the most informative samples from an unlabelled pool. Traditional uncertainty sampling often leads to sampling bias by choosing similar uncertain…

机器学习 · 计算机科学 2024-11-27 Tejaswi Kasarla , Abhishek Jha , Faye Tervoort , Rita Cucchiara , Pascal Mettes

Foundation models for vision have transformed visual recognition with powerful pretrained representations and strong zero-shot capabilities, yet their potential for data-efficient learning remains largely untapped. Active Learning (AL) aims…

计算机视觉与模式识别 · 计算机科学 2026-03-27 Huy Hoang Nguyen , Cédric Jung , Shirin Salehi , Tobias Glück , Anke Schmeink , Andreas Kugi

The scale and quality of point cloud datasets constrain the advancement of point cloud learning. Recently, with the development of multi-modal learning, the incorporation of domain-agnostic prior knowledge from other modalities, such as…

计算机视觉与模式识别 · 计算机科学 2024-01-02 Yanmin Wu , Qiankun Gao , Renrui Zhang , Jian Zhang

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

Since the preparation of labeled data for training semantic segmentation networks of point clouds is a time-consuming process, weakly supervised approaches have been introduced to learn from only a small fraction of data. These methods are…

计算机视觉与模式识别 · 计算机科学 2022-09-16 Gengxin Liu , Oliver van Kaick , Hui Huang , Ruizhen Hu

Weakly supervised point cloud semantic segmentation methods that require 1\% or fewer labels, hoping to realize almost the same performance as fully supervised approaches, which recently, have attracted extensive research attention. A…

计算机视觉与模式识别 · 计算机科学 2022-09-19 Tianfang Sun , Zhizhong Zhang , Xin Tan , Yanyun Qu , Yuan Xie , Lizhuang Ma

Active learning aims to address the paucity of labeled data by finding the most informative samples. However, when applying to semantic segmentation, existing methods ignore the segmentation difficulty of different semantic areas, which…

计算机视觉与模式识别 · 计算机科学 2020-10-20 Shuai Xie , Zunlei Feng , Ying Chen , Songtao Sun , Chao Ma , Mingli Song

Point cloud segmentation is fundamental in understanding 3D environments. However, current 3D point cloud segmentation methods usually perform poorly on scene boundaries, which degenerates the overall segmentation performance. In this…

计算机视觉与模式识别 · 计算机科学 2022-03-14 Liyao Tang , Yibing Zhan , Zhe Chen , Baosheng Yu , Dacheng Tao

Learning-based solutions for vision tasks require a large amount of labeled training data to ensure their performance and reliability. In single-task vision-based settings, inconsistency-based active learning has proven to be effective in…

计算机视觉与模式识别 · 计算机科学 2023-06-22 Aral Hekimoglu , Philipp Friedrich , Walter Zimmer , Michael Schmidt , Alvaro Marcos-Ramiro , Alois C. Knoll

Pre-trained vision-language models (VLMs) like CLIP have demonstrated impressive zero-shot performance on a wide range of downstream computer vision tasks. However, there still exists a considerable performance gap between these models and…

计算机视觉与模式识别 · 计算机科学 2024-10-30 Bardia Safaei , Vishal M. Patel

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

In an era where social media platforms abound, individuals frequently share images that offer insights into their intents and interests, impacting individual life quality and societal stability. Traditional computer vision tasks, such as…

计算机视觉与模式识别 · 计算机科学 2025-04-28 Yin Tang , Jiankai Li , Hongyu Yang , Xuan Dong , Lifeng Fan , Weixin Li

Semantic segmentation is an important and well-known task in the field of computer vision, in which we attempt to assign a corresponding semantic class to each input element. When it comes to semantic segmentation of 2D images, the input…

计算机视觉与模式识别 · 计算机科学 2023-05-02 Ivan Martinović

Change Point Detection (CPD) is a critical task in time series analysis, aiming to identify moments when the underlying data-generating process shifts. Traditional CPD methods often rely on unsupervised techniques, which lack adaptability…

机器学习 · 计算机科学 2026-01-29 Stefano Bertolasi , Diego Carrera , Diego Stucchi , Pasqualina Fragneto , Luigi Amedeo Bianchi

Zero-shot point cloud segmentation aims to make deep models capable of recognizing novel objects in point cloud that are unseen in the training phase. Recent trends favor the pipeline which transfers knowledge from seen classes with labels…

计算机视觉与模式识别 · 计算机科学 2023-07-21 Yuhang Lu , Qi Jiang , Runnan Chen , Yuenan Hou , Xinge Zhu , Yuexin Ma

Although recent point cloud analysis achieves impressive progress, the paradigm of representation learning from a single modality gradually meets its bottleneck. In this work, we take a step towards more discriminative 3D point cloud…

计算机视觉与模式识别 · 计算机科学 2022-10-11 Xu Yan , Heshen Zhan , Chaoda Zheng , Jiantao Gao , Ruimao Zhang , Shuguang Cui , Zhen Li

Active learning selects the most informative samples to exploit limited annotation budgets. Existing work follows a cumbersome pipeline that repeats the time-consuming model training and batch data selection multiple times. In this paper,…

计算机视觉与模式识别 · 计算机科学 2022-03-22 Yichen Xie , Masayoshi Tomizuka , Wei Zhan

We propose a novel clustering approach for point-cloud segmentation based on supervised contrastive metric learning (CML). Rather than predicting cluster assignments or object-centric variables, the method learns a latent representation in…

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