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Graph Neural Networks (GNNs) have achieved promising performance in semi-supervised node classification in recent years. However, the problem of insufficient supervision, together with representation collapse, largely limits the performance…

机器学习 · 计算机科学 2025-03-07 Xihong Yang , Yiqi Wang , Yue Liu , Yi Wen , Lingyuan Meng , Sihang Zhou , Xinwang Liu , En Zhu

The segmentation of medical images is a fundamental step in automated clinical decision support systems. Existing medical image segmentation methods based on supervised deep learning, however, remain problematic because of their reliance on…

计算机视觉与模式识别 · 计算机科学 2021-07-13 Euijoon Ahn , Dagan Feng , Jinman Kim

Despite the remarkable progress, weakly supervised segmentation approaches are still inferior to their fully supervised counterparts. We obverse the performance gap mainly comes from their limitation on learning to produce high-quality…

计算机视觉与模式识别 · 计算机科学 2018-05-29 Yunchao Wei , Huaxin Xiao , Honghui Shi , Zequn Jie , Jiashi Feng , Thomas S. Huang

Domain Generalized Semantic Segmentation (DGSS) aims to improve the generalization ability of models across unseen domains without access to target data during training. Recent advances in DGSS have increasingly exploited vision foundation…

计算机视觉与模式识别 · 计算机科学 2025-08-06 Xinhui Li , Xiaojie Guo

Unsupervised domain adaptation for point cloud semantic segmentation has attracted great attention due to its effectiveness in learning with unlabeled data. Most of existing methods use global-level feature alignment to transfer the…

计算机视觉与模式识别 · 计算机科学 2022-08-10 Yikai Bian , Le Hui , Jianjun Qian , Jin Xie

Unsupervised point cloud segmentation is critical for embodied artificial intelligence and autonomous driving, as it mitigates the prohibitive cost of dense point-level annotations required by fully supervised methods. While integrating 2D…

计算机视觉与模式识别 · 计算机科学 2026-05-13 Yixiao Song , Qingyong Li , Wen Wang , Zhicheng Yan

Weakly-supervised methods typically guided the pixel-wise training by comparing the predictions to single-level labels containing diverse segmentation-related information at once, but struggled to represent delicate feature differences…

图像与视频处理 · 电气工程与系统科学 2025-07-03 Jianning Chi , Zelan Li , Huixuan Wu , Wenjun Zhang , Ying Huang

Semantic segmentation with limited annotations, such as weakly supervised semantic segmentation (WSSS) and semi-supervised semantic segmentation (SSSS), is a challenging task that has attracted much attention recently. Most leading WSSS…

计算机视觉与模式识别 · 计算机科学 2022-03-22 Junwen Pan , Pengfei Zhu , Kaihua Zhang , Bing Cao , Yu Wang , Dingwen Zhang , Junwei Han , Qinghua Hu

Despite great strides made on fine-grained visual classification (FGVC), current methods are still heavily reliant on fully-supervised paradigms where ample expert labels are called for. Semi-supervised learning (SSL) techniques, acquiring…

计算机视觉与模式识别 · 计算机科学 2021-12-07 Ruoyi Du , Dongliang Chang , Zhanyu Ma , Yi-Zhe Song , Jun Guo

With the rapid advances of autonomous driving, it becomes critical to equip its sensing system with more holistic 3D perception. However, existing works focus on parsing either the objects (e.g. cars and pedestrians) or scenes (e.g. trees…

计算机视觉与模式识别 · 计算机科学 2020-12-02 Fangzhou Hong , Hui Zhou , Xinge Zhu , Hongsheng Li , Ziwei Liu

The feasibility of existing data stream algorithms is often hindered by the weakly supervised condition of data streams. A self-evolving deep neural network, namely Parsimonious Network (ParsNet), is proposed as a solution to various…

机器学习 · 计算机科学 2020-08-25 Mahardhika Pratama , Andri Ashfahani , Mohamad Abdul Hady

This paper presents a novel approach for learning instance segmentation with image-level class labels as supervision. Our approach generates pseudo instance segmentation labels of training images, which are used to train a fully supervised…

计算机视觉与模式识别 · 计算机科学 2019-05-13 Jiwoon Ahn , Sunghyun Cho , Suha Kwak

Traditional feature encoding scheme (e.g., Fisher vector) with local descriptors (e.g., SIFT) and recent convolutional neural networks (CNNs) are two classes of successful methods for image recognition. In this paper, we propose a hybrid…

计算机视觉与模式识别 · 计算机科学 2017-04-26 Zhe Wang , Limin Wang , Yali Wang , Bowen Zhang , Yu Qiao

Generalized few-shot 3D point cloud segmentation (GFS-PCS) adapts models to new classes with few support samples while retaining base class segmentation. Existing GFS-PCS methods enhance prototypes via interacting with support or query…

计算机视觉与模式识别 · 计算机科学 2025-05-21 Zhaochong An , Guolei Sun , Yun Liu , Runjia Li , Junlin Han , Ender Konukoglu , Serge Belongie

Few shot learning is an important problem in machine learning as large labelled datasets take considerable time and effort to assemble. Most few-shot learning algorithms suffer from one of two limitations- they either require the design of…

机器学习 · 计算机科学 2022-04-12 Shakti Kumar , Hussain Zaidi

With the rapid advancement of deep learning, the field of change detection (CD) in remote sensing imagery has achieved remarkable progress. Existing change detection methods primarily focus on achieving higher accuracy with increased…

计算机视觉与模式识别 · 计算机科学 2025-04-16 Chenfeng Xu

Point cloud data have been widely explored due to its superior accuracy and robustness under various adverse situations. Meanwhile, deep neural networks (DNNs) have achieved very impressive success in various applications such as…

计算机视觉与模式识别 · 计算机科学 2023-04-04 Aoran Xiao , Jiaxing Huang , Dayan Guan , Xiaoqin Zhang , Shijian Lu , Ling Shao

Point cloud analysis has evolved with diverse network architectures, while existing works predominantly focus on introducing novel structural designs. However, conventional point-based architectures - processing raw points through…

计算机视觉与模式识别 · 计算机科学 2025-09-23 Shangzhuo Xie , Qianqian Yang

Weakly supervised action localization is a challenging task with extensive applications, which aims to identify actions and the corresponding temporal intervals with only video-level annotations available. This paper analyzes the…

计算机视觉与模式识别 · 计算机科学 2022-07-13 Xiao-Yu Zhang , Haichao Shi , Changsheng Li , Xinchu Shi

With the tide of artificial intelligence, we try to apply deep learning to understand 3D data. Point cloud is an important 3D data structure, which can accurately and directly reflect the real world. In this paper, we propose a simple and…

计算机视觉与模式识别 · 计算机科学 2019-10-01 Kang Zhiheng , Li Ning