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Despite their effectiveness, current deep learning models face challenges with images coming from different domains with varying appearance and content. We introduce SegCLR, a versatile framework designed to segment images across different…

图像与视频处理 · 电气工程与系统科学 2025-04-15 Alvaro Gomariz , Yusuke Kikuchi , Yun Yvonna Li , Thomas Albrecht , Andreas Maunz , Daniela Ferrara , Huanxiang Lu , Orcun Goksel

Semantic segmentation is a computer vision task where classification is performed at a pixel level. Due to this, the process of labeling images for semantic segmentation is time-consuming and expensive. To mitigate this cost there has been…

计算机视觉与模式识别 · 计算机科学 2025-01-07 Javier Montalvo , Álvaro García-Martín , Pablo Carballeira , Juan C. SanMiguel

The semantic understanding of indoor 3D point cloud data is crucial for a range of subsequent applications, including indoor service robots, navigation systems, and digital twin engineering. Global features are crucial for achieving…

计算机视觉与模式识别 · 计算机科学 2023-09-26 Shuochen Xu , Zhenxin Zhang

3D point cloud semantic segmentation is one of the fundamental tasks for environmental understanding. Although significant progress has been made in recent years, the performance of classes with few examples or few points is still far from…

计算机视觉与模式识别 · 计算机科学 2023-05-01 Shoumeng Qiu , Feng Jiang , Haiqiang Zhang , Xiangyang Xue , Jian Pu

Self-attention is of vital importance in semantic segmentation as it enables modeling of long-range context, which translates into improved performance. We argue that it is equally important to model short-range context, especially to…

计算机视觉与模式识别 · 计算机科学 2022-12-29 Hasib Zunair , A. Ben Hamza

This work explores the application of Federated Learning (FL) to Unsupervised Semantic image Segmentation (USS). Recent USS methods extract pixel-level features using frozen visual foundation models and refine them through self-supervised…

计算机视觉与模式识别 · 计算机科学 2026-01-21 Evangelos Charalampakis , Vasileios Mygdalis , Ioannis Pitas

Recent breakthroughs in semi-supervised semantic segmentation have been developed through contrastive learning. In prevalent pixel-wise contrastive learning solutions, the model maps pixels to deterministic representations and regularizes…

计算机视觉与模式识别 · 计算机科学 2022-12-19 Haoyu Xie , Changqi Wang , Mingkai Zheng , Minjing Dong , Shan You , Chong Fu , Chang Xu

Language-guided supervision, which utilizes a frozen semantic target from a Pretrained Language Model (PLM), has emerged as a promising paradigm for visual Continual Learning (CL). However, relying on a single target introduces two critical…

计算机视觉与模式识别 · 计算机科学 2025-09-22 Xiwei Liu , Yulong Li , Yichen Li , Xinlin Zhuang , Haolin Yang , Huifa Li , Imran Razzak

In recent years, Multi-View Clustering (MVC) has attracted increasing attention for its potential to reduce the annotation burden associated with large datasets. The aim of MVC is to exploit the inherent consistency and complementarity…

机器学习 · 计算机科学 2024-07-12 Zhangci Xiong , Meng Cao

Self-supervised learning on point clouds has gained a lot of attention recently, since it addresses the label-efficiency and domain-gap problems on point cloud tasks. In this paper, we propose a novel self-supervised framework to learn…

计算机视觉与模式识别 · 计算机科学 2022-01-11 Meng-Shiun Tsai , Pei-Ze Chiang , Yi-Hsuan Tsai , Wei-Chen Chiu

The promotion of construction robots can solve the problem of human resource shortage and improve the quality of decoration. To help the construction robots obtain environmental information, we need to use 3D point cloud, which is widely…

机器人学 · 计算机科学 2021-04-13 Xudong Li , Li Feng , Lei Li , Chen Wang

3D point cloud segmentation faces practical challenges due to the computational complexity and deployment limitations of large-scale transformer-based models. To address this, we propose a novel Structure- and Relation-aware Knowledge…

计算机视觉与模式识别 · 计算机科学 2025-06-24 Yuqi Li , Junhao Dong , Zeyu Dong , Chuanguang Yang , Zhulin An , Yongjun Xu

Detailed structural and species information on individual tree level is increasingly important to support precision forestry, biodiversity conservation, and provide reference data for biomass and carbon mapping. Point clouds from airborne…

计算机视觉与模式识别 · 计算机科学 2025-11-11 Aldino Rizaldy , Fabian Ewald Fassnacht , Ahmed Jamal Afifi , Hua Jiang , Richard Gloaguen , Pedram Ghamisi

Few-shot point cloud semantic segmentation aims to accurately segment "unseen" new categories in point cloud scenes using limited labeled data. However, pretraining-based methods not only introduce excessive time overhead but also overlook…

计算机视觉与模式识别 · 计算机科学 2025-04-04 Changshuo Wang , Shuting He , Xiang Fang , Meiqing Wu , Siew-Kei Lam , Prayag Tiwari

Instance segmentation of point clouds is a crucial task in 3D field with numerous applications that involve localizing and segmenting objects in a scene. However, achieving satisfactory results requires a large number of manual annotations,…

计算机视觉与模式识别 · 计算机科学 2024-06-18 Zhikai Zhang , Jian Ding , Li Jiang , Dengxin Dai , Gui-Song Xia

We present a lightweight post-processing method to refine the semantic segmentation results of point cloud sequences. Most existing methods usually segment frame by frame and encounter the inherent ambiguity of the problem: based on a…

计算机视觉与模式识别 · 计算机科学 2022-12-02 Yutaka Momma , Weimin Wang , Edgar Simo-Serra , Satoshi Iizuka , Ryosuke Nakamura , Hiroshi Ishikawa

3D point cloud semantic segmentation is one of the fundamental tasks for 3D scene understanding and has been widely used in the metaverse applications. Many recent 3D semantic segmentation methods learn a single prototype (classifier…

计算机视觉与模式识别 · 计算机科学 2022-10-19 Yangheng Zhao , Jun Wang , Xiaolong Li , Yue Hu , Ce Zhang , Yanfeng Wang , Siheng Chen

As a pioneering work, PointContrast conducts unsupervised 3D representation learning via leveraging contrastive learning over raw RGB-D frames and proves its effectiveness on various downstream tasks. However, the trend of large-scale…

计算机视觉与模式识别 · 计算机科学 2023-03-27 Xiaoyang Wu , Xin Wen , Xihui Liu , Hengshuang Zhao

Point cloud semantic segmentation plays an essential role in autonomous driving, providing vital information about drivable surfaces and nearby objects that can aid higher level tasks such as path planning and collision avoidance. While…

计算机视觉与模式识别 · 计算机科学 2020-11-10 Ozan Unal , Luc Van Gool , Dengxin Dai

Existing interactive point cloud segmentation approaches primarily focus on the object segmentation, which aim to determine which points belong to the object of interest guided by user interactions. This paper concentrates on an unexplored…

计算机视觉与模式识别 · 计算机科学 2025-11-18 Peng Zhang , Ting Wu , Jinsheng Sun , Weiqing Li , Zhiyong Su