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Related papers: COS3D: Collaborative Open-Vocabulary 3D Segmentati…

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Training-free Camouflaged Object Segmentation (COS) seeks to segment camouflaged objects without task-specific training, by automatically generating visual prompts to guide the Segment Anything Model (SAM). However, existing pipelines…

Computer Vision and Pattern Recognition · Computer Science 2025-11-13 Chao Yin , Jide Li , Hang Yao , Xiaoqiang Li

Recently, 3D Gaussian Splatting (3DGS) has shown encouraging performance for open vocabulary scene understanding tasks. However, previous methods cannot distinguish 3D instance-level information, which usually predicts a heatmap between the…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Hongjia Zhai , Hai Li , Zhenzhe Li , Xiaokun Pan , Yijia He , Guofeng Zhang

The superior performances of pre-trained foundation models in various visual tasks underscore their potential to enhance the 2D models' open-vocabulary ability. Existing methods explore analogous applications in the 3D space. However, most…

Computer Vision and Pattern Recognition · Computer Science 2023-12-25 Dongmei Zhang , Chang Li , Ray Zhang , Shenghao Xie , Wei Xue , Xiaodong Xie , Shanghang Zhang

Open-vocabulary 3D scene understanding presents a significant challenge in the field. Recent works have sought to transfer knowledge embedded in vision-language models from 2D to 3D domains. However, these approaches often require prior…

Computer Vision and Pattern Recognition · Computer Science 2024-09-06 Hanchen Tai , Qingdong He , Jiangning Zhang , Yijie Qian , Zhenyu Zhang , Xiaobin Hu , Xiangtai Li , Yabiao Wang , Yong Liu

Recently, a few open-vocabulary methods have been proposed by employing a unified architecture to tackle generic segmentation and detection tasks. However, their performance still lags behind the task-specific models due to the conflict…

Computer Vision and Pattern Recognition · Computer Science 2023-12-13 Shuai Li , Minghan Li , Pengfei Wang , Lei Zhang

Open-Vocabulary Remote Sensing Image Segmentation (OVRSIS), an emerging task that adapts Open-Vocabulary Segmentation (OVS) to the remote sensing (RS) domain, remains underexplored due to the absence of a unified evaluation benchmark and…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Bingyu Li , Haocheng Dong , Da Zhang , Zhiyuan Zhao , Junyu Gao , Xuelong Li

We propose an interactive approach for 3D instance segmentation, where users can iteratively collaborate with a deep learning model to segment objects in a 3D point cloud directly. Current methods for 3D instance segmentation are generally…

Computer Vision and Pattern Recognition · Computer Science 2023-01-24 Theodora Kontogianni , Ekin Celikkan , Siyu Tang , Konrad Schindler

3D Gaussian Splatting has recently gained traction for its efficient training and real-time rendering. While its vanilla representation is mainly designed for view synthesis, recent works extended it to scene understanding with language…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Siyun Liang , Sen Wang , Kunyi Li , Michael Niemeyer , Stefano Gasperini , Hendrik P. A. Lensch , Nassir Navab , Federico Tombari

Open-vocabulary 3D instance segmentation is cutting-edge for its ability to segment 3D instances without predefined categories. However, progress in 3D lags behind its 2D counterpart due to limited annotated 3D data. To address this, recent…

Computer Vision and Pattern Recognition · Computer Science 2024-04-11 Mi Yan , Jiazhao Zhang , Yan Zhu , He Wang

Open-Vocabulary Part Segmentation (OVPS) is an emerging field for recognizing fine-grained parts in unseen categories. We identify two primary challenges in OVPS: (1) the difficulty in aligning part-level image-text correspondence, and (2)…

Computer Vision and Pattern Recognition · Computer Science 2025-08-11 Jiho Choi , Seonho Lee , Minhyun Lee , Seungho Lee , Hyunjung Shim

In this paper, we propose PASS3D to achieve point-wise semantic segmentation for 3D point cloud. Our framework combines the efficiency of traditional geometric methods with robustness of deep learning methods, consisting of two stages: At…

Computer Vision and Pattern Recognition · Computer Science 2020-08-27 Xin Kong , Guangyao Zhai , Baoquan Zhong , Yong Liu

The lack of a large-scale 3D-text corpus has led recent works to distill open-vocabulary knowledge from vision-language models (VLMs). However, these methods typically rely on a single VLM to align the feature spaces of 3D models within a…

Computer Vision and Pattern Recognition · Computer Science 2025-03-31 Jinlong Li , Cristiano Saltori , Fabio Poiesi , Nicu Sebe

Open-Vocabulary Segmentation (OVS) methods offer promising capabilities in detecting unseen object categories, but the category must be known and needs to be provided by a human, either via a text prompt or pre-labeled datasets, thus…

Computer Vision and Pattern Recognition · Computer Science 2025-04-01 Weijie Wei , Osman Ülger , Fatemeh Karimi Nejadasl , Theo Gevers , Martin R. Oswald

While deep learning-based methods have demonstrated outstanding results in numerous domains, some important functionalities are missing. Resolution scalability is one of them. In this work, we introduce a novel architecture, dubbed…

Computer Vision and Pattern Recognition · Computer Science 2024-04-11 Remco Royen , Adrian Munteanu

While promptable segmentation (\textit{e.g.}, SAM) has shown promise for various segmentation tasks, it still requires manual visual prompts for each object to be segmented. In contrast, task-generic promptable segmentation aims to reduce…

Computer Vision and Pattern Recognition · Computer Science 2025-08-15 Chao Yin , Hao Li , Kequan Yang , Jide Li , Pinpin Zhu , Xiaoqiang Li

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

Open-vocabulary segmentation is the task of segmenting anything that can be named in an image. Recently, large-scale vision-language modelling has led to significant advances in open-vocabulary segmentation, but at the cost of gargantuan…

Computer Vision and Pattern Recognition · Computer Science 2024-10-01 Laurynas Karazija , Iro Laina , Andrea Vedaldi , Christian Rupprecht

Open-vocabulary panoptic reconstruction is crucial for advanced robotics and simulation. However, existing 3D reconstruction methods, such as NeRF or Gaussian Splatting variants, often struggle to achieve the real-time inference frequency…

Robotics · Computer Science 2026-04-14 Xuan Yu , Yuxuan Xie , Shichao Zhai , Shuhao Ye , Rong Xiong , Yue Wang

Supervised 3D part segmentation models are tailored for a fixed set of objects and parts, limiting their transferability to open-set, real-world scenarios. Recent works have explored vision-language models (VLMs) as a promising alternative,…

Computer Vision and Pattern Recognition · Computer Science 2025-01-09 Marco Garosi , Riccardo Tedoldi , Davide Boscaini , Massimiliano Mancini , Nicu Sebe , Fabio Poiesi

Vision-language models (VLMs) have demonstrated impressive zero-shot transfer capabilities in image-level visual perception tasks. However, they fall short in 3D instance-level segmentation tasks that require accurate localization and…

Computer Vision and Pattern Recognition · Computer Science 2025-04-22 Junyuan Fang , Zihan Wang , Yejun Zhang , Shuzhe Wang , Iaroslav Melekhov , Juho Kannala