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Related papers: Point-SAM: Promptable 3D Segmentation Model for Po…

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This work presents a novel framework for few-shot 3D part segmentation. Recent advances have demonstrated the significant potential of 2D foundation models for low-shot 3D part segmentation. However, it is still an open problem that how to…

Computer Vision and Pattern Recognition · Computer Science 2025-12-19 Yueyang Hu , Haiyong Jiang , Haoxuan Song , Jun Xiao , Hao Pan

Autonomous vehicles need to have a semantic understanding of the three-dimensional world around them in order to reason about their environment. State of the art methods use deep neural networks to predict semantic classes for each point in…

Computer Vision and Pattern Recognition · Computer Science 2021-09-27 Larissa T. Triess , David Peter , Christoph B. Rist , J. Marius Zöllner

We introduce GeoSAM2, a prompt-controllable framework for 3D part segmentation that casts the task as multi-view 2D mask prediction. Given a textureless object, we render normal and point maps from predefined viewpoints and accept simple 2D…

Computer Vision and Pattern Recognition · Computer Science 2025-08-28 Ken Deng , Yunhan Yang , Jingxiang Sun , Xihui Liu , Yebin Liu , Ding Liang , Yan-Pei Cao

To address prevalent issues in medical imaging, such as data acquisition challenges and label availability, transfer learning from natural to medical image domains serves as a viable strategy to produce reliable segmentation results.…

Image and Video Processing · Electrical Eng. & Systems 2023-11-15 Hao Li , Han Liu , Dewei Hu , Jiacheng Wang , Ipek Oguz

Weakly supervised point cloud segmentation, i.e. semantically segmenting a point cloud with only a few labeled points in the whole 3D scene, is highly desirable due to the heavy burden of collecting abundant dense annotations for the model…

Computer Vision and Pattern Recognition · Computer Science 2022-07-20 Zhonghua Wu , Yicheng Wu , Guosheng Lin , Jianfei Cai , Chen Qian

Point cloud stands as the most widely adopted format for representing 3D shapes and scenes due to its simplicity and geometric fidelity. However, its inherent unordered and irregular nature, exacerbated by sensor noise and occlusions,…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Minhas Kamal , Hiranya Garbha Kumar , Balakrishnan Prabhakaran

Foundation models have taken over natural language processing and image generation domains due to the flexibility of prompting. With the recent introduction of the Segment Anything Model (SAM), this prompt-driven paradigm has entered image…

Image and Video Processing · Electrical Eng. & Systems 2023-04-13 Saikat Roy , Tassilo Wald , Gregor Koehler , Maximilian R. Rokuss , Nico Disch , Julius Holzschuh , David Zimmerer , Klaus H. Maier-Hein

Semantic segmentation of aerial point cloud data can be utilised to differentiate which points belong to classes such as ground, buildings, or vegetation. Point clouds generated from aerial sensors mounted to drones or planes can utilise…

Computer Vision and Pattern Recognition · Computer Science 2022-11-30 Matthew Howe , Boris Repasky , Timothy Payne

Point clouds analysis has grasped researchers' eyes in recent years, while 3D semantic segmentation remains a problem. Most deep point clouds models directly conduct learning on 3D point clouds, which will suffer from the severe sparsity…

Computer Vision and Pattern Recognition · Computer Science 2021-09-21 Zhenhong Zou , Yizhe Li

The Segment Anything Model (SAM), a foundation model for general image segmentation, has demonstrated impressive zero-shot performance across numerous natural image segmentation tasks. However, SAM's performance significantly declines when…

Computer Vision and Pattern Recognition · Computer Science 2023-09-19 Cheng Chen , Juzheng Miao , Dufan Wu , Zhiling Yan , Sekeun Kim , Jiang Hu , Aoxiao Zhong , Zhengliang Liu , Lichao Sun , Xiang Li , Tianming Liu , Pheng-Ann Heng , Quanzheng Li

In medical image segmentation, heterogeneous privacy policies across institutions often make joint training on pooled datasets infeasible, motivating continual image segmentation-learning from data streams without catastrophic forgetting.…

Computer Vision and Pattern Recognition · Computer Science 2025-11-24 Jiayi Wang , Wei Dai , Haoyu Wang , Sihan Yang , Haixia Bi , Jian Sun

Semantic segmentation of 3D point clouds is a challenging problem with numerous real-world applications. While deep learning has revolutionized the field of image semantic segmentation, its impact on point cloud data has been limited so…

Computer Vision and Pattern Recognition · Computer Science 2017-05-10 Felix Järemo Lawin , Martin Danelljan , Patrik Tosteberg , Goutam Bhat , Fahad Shahbaz Khan , Michael Felsberg

While massively scaling both data and models have become central in NLP and 2D vision, their benefits for 3D point cloud understanding remain limited. We study the initial step of scaling 3D point cloud understanding under a realistic…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Xuweiyi Chen , Wentao Zhou , Aruni RoyChowdhury , Zezhou Cheng

Current 3D scene segmentation methods are heavily dependent on manually annotated 3D training datasets. Such manual annotations are labor-intensive, and often lack fine-grained details. Importantly, models trained on this data typically…

Computer Vision and Pattern Recognition · Computer Science 2023-12-29 Rui Huang , Songyou Peng , Ayca Takmaz , Federico Tombari , Marc Pollefeys , Shiji Song , Gao Huang , Francis Engelmann

In contrast to the literature where local patterns in 3D point clouds are captured by customized convolutional operators, in this paper we study the problem of how to effectively and efficiently project such point clouds into a 2D image…

Computer Vision and Pattern Recognition · Computer Science 2020-10-09 Yecheng Lyu , Xinming Huang , Ziming Zhang

In computer vision, object detection is an important task that finds its application in many scenarios. However, obtaining extensive labels can be challenging, especially in crowded scenes. Recently, the Segment Anything Model (SAM) has…

Computer Vision and Pattern Recognition · Computer Science 2024-07-22 Zhi Cai , Yingjie Gao , Yaoyan Zheng , Nan Zhou , Di Huang

Segmentation models such as Segment Anything Model (SAM) and SAM2 achieve strong prompt-driven zero-shot performance. However, their training on natural images limits domain transfer to medical data. Consequently, accurate segmentation…

Computer Vision and Pattern Recognition · Computer Science 2026-04-28 Tal Grossman , Noa Cahan , Lev Ayzenberg , Hayit Greenspan

Generalizable 3D part segmentation is important but challenging in vision and robotics. Training deep models via conventional supervised methods requires large-scale 3D datasets with fine-grained part annotations, which are costly to…

Computer Vision and Pattern Recognition · Computer Science 2023-06-21 Minghua Liu , Yinhao Zhu , Hong Cai , Shizhong Han , Zhan Ling , Fatih Porikli , Hao Su

We propose SAMed, a general solution for medical image segmentation. Different from the previous methods, SAMed is built upon the large-scale image segmentation model, Segment Anything Model (SAM), to explore the new research paradigm of…

Computer Vision and Pattern Recognition · Computer Science 2023-10-18 Kaidong Zhang , Dong Liu

Open-vocabulary semantic segmentation enables models to recognize and segment objects from arbitrary natural language descriptions, offering the flexibility to handle novel, fine-grained, or functionally defined categories beyond fixed…

Computer Vision and Pattern Recognition · Computer Science 2025-09-16 Chongyu Wang , Kunlei Jing , Jihua Zhu , Di Wang