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相关论文: Refining Segmentation On-the-Fly: An Interactive F…

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Training a computer vision system to segment a novel class typically requires collecting and painstakingly annotating lots of images with objects from that class. Few-shot segmentation techniques reduce the required number of images to…

计算机视觉与模式识别 · 计算机科学 2024-03-25 Shreyas Chandgothia , Ardhendu Sekhar , Amit Sethi

Semantic segmentation of point cloud usually relies on dense annotation that is exhausting and costly, so it attracts wide attention to investigate solutions for the weakly supervised scheme with only sparse points annotated. Existing works…

计算机视觉与模式识别 · 计算机科学 2023-12-11 Yushuang Wu , Zizheng Yan , Shengcai Cai , Guanbin Li , Yizhou Yu , Xiaoguang Han , Shuguang Cui

Stable diffusion has demonstrated strong image synthesis ability to given text descriptions, suggesting it to contain strong semantic clue for grouping objects. The researchers have explored employing stable diffusion for training-free…

计算机视觉与模式识别 · 计算机科学 2024-10-10 Lin Sun , Jiale Cao , Jin Xie , Fahad Shahbaz Khan , Yanwei Pang

High-quality training data play a key role in image segmentation tasks. Usually, pixel-level annotations are expensive, laborious and time-consuming for the large volume of training data. To reduce labelling cost and improve segmentation…

计算机视觉与模式识别 · 计算机科学 2021-10-27 Yuying Hao , Yi Liu , Zewu Wu , Lin Han , Yizhou Chen , Guowei Chen , Lutao Chu , Shiyu Tang , Zhiliang Yu , Zeyu Chen , Baohua Lai

Interactive segmentation enables users to extract masks by providing simple annotations to indicate the target, such as boxes, clicks, or scribbles. Among these interaction formats, scribbles are the most flexible as they can be of…

计算机视觉与模式识别 · 计算机科学 2023-03-21 Xi Chen , Yau Shing Jonathan Cheung , Ser-Nam Lim , Hengshuang Zhao

Impressive performance on point cloud semantic segmentation has been achieved by fully-supervised methods with large amounts of labelled data. As it is labour-intensive to acquire large-scale point cloud data with point-wise labels, many…

计算机视觉与模式识别 · 计算机科学 2023-08-23 Zongyi Xu , Bo Yuan , Shanshan Zhao , Qianni Zhang , Xinbo Gao

In this paper, we propose one novel model for point cloud semantic segmentation, which exploits both the local and global structures within the point cloud based on the contextual point representations. Specifically, we enrich each point…

计算机视觉与模式识别 · 计算机科学 2019-11-14 Xu Wang , Jingming He , Lin Ma

The click-based interactive segmentation aims to extract the object of interest from an image with the guidance of user clicks. Recent work has achieved great overall performance by employing feedback from the output. However, in most…

计算机视觉与模式识别 · 计算机科学 2024-03-06 Shoukun Sun , Min Xian , Fei Xu , Luca Capriotti , Tiankai Yao

In recent years, with the development of computing resources and LiDAR, point cloud semantic segmentation has attracted many researchers. For the sparsity of point clouds, although there is already a way to deal with sparse convolution,…

计算机视觉与模式识别 · 计算机科学 2022-07-01 Yunzheng Su , Lei Jiang , Jie Cao

We propose a novel deep learning-based framework to tackle the challenge of semantic segmentation of large-scale point clouds of millions of points. We argue that the organization of 3D point clouds can be efficiently captured by a…

计算机视觉与模式识别 · 计算机科学 2018-03-29 Loic Landrieu , Martin Simonovsky

In interactive instance segmentation, users give feedback to iteratively refine segmentation masks. The user-provided clicks are transformed into guidance maps which provide the network with necessary cues on the whereabouts of the object…

计算机视觉与模式识别 · 计算机科学 2018-12-10 Soumajit Majumder , Angela Yao

The deficiency of 3D segmentation labels is one of the main obstacles to effective point cloud segmentation, especially for scenes in the wild with varieties of different objects. To alleviate this issue, we propose a novel deep graph…

计算机视觉与模式识别 · 计算机科学 2020-05-19 Haiyan Wang , Xuejian Rong , Liang Yang , Jinglun Feng , Jizhong Xiao , Yingli Tian

Sketch semantic segmentation is a well-explored and pivotal problem in computer vision involving the assignment of pre-defined part labels to individual strokes. This paper presents ContextSeg - a simple yet highly effective approach to…

计算机视觉与模式识别 · 计算机科学 2024-03-27 Jiawei Wang , Changjian Li

Semantic segmentation is essential for automating remote sensing analysis in fields like ecology. However, fine-grained analysis of complex aerial or underwater imagery remains an open challenge, even for state-of-the-art models. Progress…

计算机视觉与模式识别 · 计算机科学 2026-03-30 Cesar Borja , Carlos Plou , Ruben Martinez-Cantin , Ana C. Murillo

Semantic segmentation and semantic edge detection can be seen as two dual problems with close relationships in computer vision. Despite the fast evolution of learning-based 3D semantic segmentation methods, little attention has been drawn…

计算机视觉与模式识别 · 计算机科学 2021-07-30 Zeyu Hu , Mingmin Zhen , Xuyang Bai , Hongbo Fu , Chiew-lan Tai

3D semantic segmentation is a fundamental building block for several scene understanding applications such as autonomous driving, robotics and AR/VR. Several state-of-the-art semantic segmentation models suffer from the part…

计算机视觉与模式识别 · 计算机科学 2021-11-17 Anirud Thyagharajan , Benjamin Ummenhofer , Prashant Laddha , Om J Omer , Sreenivas Subramoney

In this paper, we propose PointSeg, a real-time end-to-end semantic segmentation method for road-objects based on spherical images. We take the spherical image, which is transformed from the 3D LiDAR point clouds, as input of the…

计算机视觉与模式识别 · 计算机科学 2018-09-26 Yuan Wang , Tianyue Shi , Peng Yun , Lei Tai , Ming Liu

We propose MFSeg, an efficient multi-frame 3D semantic segmentation framework. By aggregating point cloud sequences at the feature level and regularizing the feature extraction and aggregation process, MFSeg reduces computational overhead…

计算机视觉与模式识别 · 计算机科学 2025-05-08 Chengjie Huang , Krzysztof Czarnecki

Given the prominence of current 3D sensors, a fine-grained analysis on the basic point cloud data is worthy of further investigation. Particularly, real point cloud scenes can intuitively capture complex surroundings in the real world, but…

计算机视觉与模式识别 · 计算机科学 2021-04-14 Shi Qiu , Saeed Anwar , Nick Barnes

This paper presents a comprehensive evaluation framework for image segmentation algorithms, encompassing naive methods, machine learning approaches, and deep learning techniques. We begin by introducing the fundamental concepts and…

计算机视觉与模式识别 · 计算机科学 2025-04-08 Tatiana Merkulova , Bharani Jayakumar