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Related papers: OVSeg3R: Learn Open-vocabulary Instance Segmentati…

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Instance segmentation is essential for numerous computer vision applications, including robotics, human-computer interaction, and autonomous driving. Currently, popular models bring impressive performance in instance segmentation by…

Computer Vision and Pattern Recognition · Computer Science 2025-09-09 Cuong Manh Hoang

Instance segmentation of point clouds is a crucial task in 3D field with numerous applications that involve localizing and segmenting objects in a scene. However, achieving satisfactory results requires a large number of manual annotations,…

Computer Vision and Pattern Recognition · Computer Science 2024-06-18 Zhikai Zhang , Jian Ding , Li Jiang , Dengxin Dai , Gui-Song Xia

Open-vocabulary 3D instance segmentation is a core capability for robotics and AR/VR, but prior methods trade one bottleneck for another: multi-stage 2D+3D pipelines aggregate foundation-model outputs at hundreds of seconds per scene, while…

Computer Vision and Pattern Recognition · Computer Science 2026-04-23 Chris Choy , Junha Lee , Chunghyun Park , Minsu Cho , Jan Kautz

We design an open-vocabulary image segmentation model to organize an image into meaningful regions indicated by arbitrary texts. Recent works (CLIP and ALIGN), despite attaining impressive open-vocabulary classification accuracy with…

Computer Vision and Pattern Recognition · Computer Science 2022-07-22 Golnaz Ghiasi , Xiuye Gu , Yin Cui , Tsung-Yi Lin

Open-vocabulary part segmentation (OVPS) is an emerging research area focused on segmenting fine-grained entities using diverse and previously unseen vocabularies. Our study highlights the inherent complexities of part segmentation due to…

Computer Vision and Pattern Recognition · Computer Science 2024-12-09 Jiho Choi , Seonho Lee , Seungho Lee , Minhyun Lee , Hyunjung Shim

Panoramic images, capturing a 360{\deg} field of view (FoV), encompass omnidirectional spatial information crucial for scene understanding. However, it is not only costly to obtain training-sufficient dense-annotated panoramas but also…

Computer Vision and Pattern Recognition · Computer Science 2024-07-15 Junwei Zheng , Ruiping Liu , Yufan Chen , Kunyu Peng , Chengzhi Wu , Kailun Yang , Jiaming Zhang , Rainer Stiefelhagen

Point cloud-based open-vocabulary 3D object detection aims to detect 3D categories that do not have ground-truth annotations in the training set. It is extremely challenging because of the limited data and annotations (bounding boxes with…

Computer Vision and Pattern Recognition · Computer Science 2023-09-19 Chenming Zhu , Wenwei Zhang , Tai Wang , Xihui Liu , Kai Chen

Open-vocabulary semantic segmentation aims to segment an image into semantic regions according to text descriptions, which may not have been seen during training. Recent two-stage methods first generate class-agnostic mask proposals and…

Computer Vision and Pattern Recognition · Computer Science 2023-04-04 Feng Liang , Bichen Wu , Xiaoliang Dai , Kunpeng Li , Yinan Zhao , Hang Zhang , Peizhao Zhang , Peter Vajda , Diana Marculescu

Open-vocabulary video instance segmentation strives to segment and track instances belonging to an open set of categories in a videos. The vision-language model Contrastive Language-Image Pre-training (CLIP) has shown robust zero-shot…

Computer Vision and Pattern Recognition · Computer Science 2024-10-10 Wenqi Zhu , Jiale Cao , Jin Xie , Shuangming Yang , Yanwei Pang

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

We propose SegVec3D, a novel framework for 3D point cloud instance segmentation that integrates attention mechanisms, embedding learning, and cross-modal alignment. The approach builds a hierarchical feature extractor to enhance geometric…

Computer Vision and Pattern Recognition · Computer Science 2025-07-15 Zhihan Kang , Boyu Wang

Segmenting and recognizing diverse object parts is a crucial ability in applications spanning various computer vision and robotic tasks. While significant progress has been made in object-level Open-Vocabulary Semantic Segmentation (OVSS),…

Computer Vision and Pattern Recognition · Computer Science 2023-10-10 Meng Wei , Xiaoyu Yue , Wenwei Zhang , Shu Kong , Xihui Liu , Jiangmiao Pang

We propose an approach to instance segmentation from 3D point clouds based on dynamic convolution. This enables it to adapt, at inference, to varying feature and object scales. Doing so avoids some pitfalls of bottom up approaches,…

Computer Vision and Pattern Recognition · Computer Science 2022-10-17 Tong He , Chunhua Shen , Anton van den Hengel

State-of-the-art models on contemporary 3D segmentation benchmarks like ScanNet consume and label dataset-provided 3D point clouds, obtained through post processing of sensed multiview RGB-D images. They are typically trained in-domain,…

Computer Vision and Pattern Recognition · Computer Science 2024-06-27 Ayush Jain , Pushkal Katara , Nikolaos Gkanatsios , Adam W. Harley , Gabriel Sarch , Kriti Aggarwal , Vishrav Chaudhary , Katerina Fragkiadaki

This paper aims to achieve the segmentation of any 3D part in a scene based on natural language descriptions, extending beyond traditional object-level 3D scene understanding and addressing both data and methodological challenges. Due to…

Computer Vision and Pattern Recognition · Computer Science 2025-06-25 Hongyu Wu , Pengwan Yang , Yuki M. Asano , Cees G. M. Snoek

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

To ease the difficulty of acquiring annotation labels in 3D data, a common method is using unsupervised and open-vocabulary semantic segmentation, which leverage 2D CLIP semantic knowledge. In this paper, unlike previous research that…

Computer Vision and Pattern Recognition · Computer Science 2024-10-14 Fuyang Yu , Runze Tian , Zhen Wang , Xiaochuan Wang , Xiaohui Liang

Category-level 3D pose estimation is a fundamentally important problem in computer vision and robotics, e.g. for embodied agents or to train 3D generative models. However, so far methods that estimate the category-level object pose require…

Computer Vision and Pattern Recognition · Computer Science 2024-07-08 Leonhard Sommer , Artur Jesslen , Eddy Ilg , Adam Kortylewski

Open-vocabulary 3D object detection aims to localize and recognize objects beyond a fixed training taxonomy. In multi-view RGB settings, recent approaches often decouple geometry-based instance construction from semantic labeling,…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 Youbin Kim , Jinho Park , Hogun Park , Eunbyung Park

Change Detection (CD) is a fundamental task in remote sensing. It monitors the evolution of land cover over time. Based on this, Open-Vocabulary Change Detection (OVCD) introduces a new requirement. It aims to reduce the reliance on…

Computer Vision and Pattern Recognition · Computer Science 2026-04-27 Xu Zhang , Danyang Li , Yingjie Xia , Xiaohang Dong , Hualong Yu , Jianye Wang , Qicheng Li