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Related papers: SAI3D: Segment Any Instance in 3D Scenes

200 papers

Semantic segmentation is an important topic in computer vision with many relevant application in Earth observation. While supervised methods exist, the constraints of limited annotated data has encouraged development of unsupervised…

Computer Vision and Pattern Recognition · Computer Science 2024-08-15 Pratik Vora , Sudipan Saha

Segment Anything Model (SAM) has gained significant attention because of its ability to segment various objects in images given a prompt. The recently developed SAM 2 has extended this ability to video inputs. This opens an opportunity to…

Computer Vision and Pattern Recognition · Computer Science 2024-08-23 Haoyu Dong , Hanxue Gu , Yaqian Chen , Jichen Yang , Yuwen Chen , Maciej A. Mazurowski

Segment anything model (SAM) demonstrates strong generalization ability on natural image segmentation. However, its direct adaptation in medical image segmentation tasks shows significant performance drops. It also requires an excessive…

Computer Vision and Pattern Recognition · Computer Science 2024-12-19 Heng Guo , Jianfeng Zhang , Jiaxing Huang , Tony C. W. Mok , Dazhou Guo , Ke Yan , Le Lu , Dakai Jin , Minfeng Xu

Generalizing open-vocabulary 3D instance segmentation (OV-3DIS) to diverse, unstructured, and mesh-free environments is crucial for robotics and AR/VR, yet remains a significant challenge. We attribute this to two key limitations of…

Computer Vision and Pattern Recognition · Computer Science 2026-05-15 Zhishan Zhou , Siyuan Wei , Zengran Wang , Chunjie Wang , Xiaosheng Yan , Xiao Liu

We introduce OV-MAP, a novel approach to open-world 3D mapping for mobile robots by integrating open-features into 3D maps to enhance object recognition capabilities. A significant challenge arises when overlapping features from adjacent…

Computer Vision and Pattern Recognition · Computer Science 2025-06-16 Juno Kim , Yesol Park , Hye-Jung Yoon , Byoung-Tak Zhang

Leveraging the extensive training data from SA-1B, the Segment Anything Model (SAM) demonstrates remarkable generalization and zero-shot capabilities. However, as a category-agnostic instance segmentation method, SAM heavily relies on prior…

Computer Vision and Pattern Recognition · Computer Science 2023-11-30 Keyan Chen , Chenyang Liu , Hao Chen , Haotian Zhang , Wenyuan Li , Zhengxia Zou , Zhenwei Shi

Amodal instance segmentation, which aims to detect and segment both visible and invisible parts of objects in images, plays a crucial role in various applications including autonomous driving, robotic manipulation, and scene understanding.…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Wei-En Tai , Yu-Lin Shih , Cheng Sun , Yu-Chiang Frank Wang , Hwann-Tzong Chen

Extracting small objects from remote sensing imagery plays a vital role in various applications, including urban planning, environmental monitoring, and disaster management. While current research primarily focuses on small object…

Computer Vision and Pattern Recognition · Computer Science 2025-09-04 Chenhao Wang , Yingrui Ji , Yu Meng , Yunjian Zhang , Yao Zhu

In this work, we introduce OpenIns3D, a new 3D-input-only framework for 3D open-vocabulary scene understanding. The OpenIns3D framework employs a "Mask-Snap-Lookup" scheme. The "Mask" module learns class-agnostic mask proposals in 3D point…

Computer Vision and Pattern Recognition · Computer Science 2024-08-13 Zhening Huang , Xiaoyang Wu , Xi Chen , Hengshuang Zhao , Lei Zhu , Joan Lasenby

We present Segment Anything Model (SAM) 3, a unified model that detects, segments, and tracks objects in images and videos based on concept prompts, which we define as either short noun phrases (e.g., "yellow school bus"), image exemplars,…

The open vocabulary capability of 3D models is increasingly valued, as traditional methods with models trained with fixed categories fail to recognize unseen objects in complex dynamic 3D scenes. In this paper, we propose a simple yet…

Computer Vision and Pattern Recognition · Computer Science 2025-03-12 Zhuoyuan Li , Jiahao Lu , Jiacheng Deng , Hanzhi Chang , Lifan Wu , Yanzhe Liang , Tianzhu Zhang

Segmenting 3D objects into parts is a long-standing challenge in computer vision. To overcome taxonomy constraints and generalize to unseen 3D objects, recent works turn to open-world part segmentation. These approaches typically transfer…

Computer Vision and Pattern Recognition · Computer Science 2026-02-27 Zhe Zhu , Le Wan , Rui Xu , Yiheng Zhang , Honghua Chen , Zhiyang Dou , Cheng Lin , Yuan Liu , Mingqiang Wei

Recently, promptable segmentation models, such as the Segment Anything Model (SAM), have demonstrated robust zero-shot generalization capabilities on static images. These promptable models exhibit denoising abilities for imprecise prompt…

Computer Vision and Pattern Recognition · Computer Science 2024-03-08 Tao Zhou , Wenhan Luo , Qi Ye , Zhiguo Shi , Jiming Chen

Open-vocabulary 3D instance segmentation transcends traditional closed-vocabulary methods by enabling the identification of both previously seen and unseen objects in real-world scenarios. It leverages a dual-modality approach, utilizing…

Computer Vision and Pattern Recognition · Computer Science 2024-08-19 Tri Ton , Ji Woo Hong , SooHwan Eom , Jun Yeop Shim , Junyeong Kim , Chang D. Yoo

Segment Anything Model (SAM) has demonstrated powerful zero-shot segmentation performance in natural scenes. The recently released Segment Anything Model 2 (SAM2) has further heightened researchers' expectations towards image segmentation…

Computer Vision and Pattern Recognition · Computer Science 2024-10-03 Jialun Pei , Zhangjun Zhou , Tiantian Zhang

Segment Anything Model (SAM) has demonstrated impressive zero-shot performance and brought a range of unexplored capabilities to natural image segmentation tasks. However, as a very important branch of image segmentation, the performance of…

Computer Vision and Pattern Recognition · Computer Science 2025-02-04 Bin Xie , Hao Tang , Dawen Cai , Yan Yan , Gady Agam

The ability to detect and segment moving objects in a scene is essential for building consistent maps, making future state predictions, avoiding collisions, and planning. In this paper, we address the problem of moving object segmentation…

Most 3D instance segmentation methods exploit a bottom-up strategy, typically including resource-exhaustive post-processing. For point grouping, bottom-up methods rely on prior assumptions about the objects in the form of hyperparameters,…

Computer Vision and Pattern Recognition · Computer Science 2023-09-13 Maksim Kolodiazhnyi , Anna Vorontsova , Anton Konushin , Danila Rukhovich

Separating 3D point clouds into individual instances is an important task for 3D vision. It is challenging due to the unknown and varying number of instances in a scene. Existing deep learning based works focus on a two-step pipeline: first…

Computer Vision and Pattern Recognition · Computer Science 2021-08-27 Ruihang Chu , Yukang Chen , Tao Kong , Lu Qi , Lei Li

We show that it is possible to learn semantic segmentation from very limited amounts of manual annotations, by enforcing geometric 3D constraints between multiple views. More exactly, image locations corresponding to the same physical 3D…

Computer Vision and Pattern Recognition · Computer Science 2019-01-10 Sinisa Stekovic , Friedrich Fraundorfer , Vincent Lepetit
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