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Related papers: OpenMask3D: Open-Vocabulary 3D Instance Segmentati…

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Recently, Vision-Language Models (VLMs) have advanced segmentation techniques by shifting from the traditional segmentation of a closed-set of predefined object classes to open-vocabulary segmentation (OVS), allowing users to segment novel…

Computer Vision and Pattern Recognition · Computer Science 2024-10-31 Gonca Yilmaz , Songyou Peng , Marc Pollefeys , Francis Engelmann , Hermann Blum

Recently, groundbreaking results have been presented on open-vocabulary semantic image segmentation. Such methods segment each pixel in an image into arbitrary categories provided at run-time in the form of text prompts, as opposed to a…

Robotics · Computer Science 2023-03-21 Kenneth Blomqvist , Francesco Milano , Jen Jen Chung , Lionel Ott , Roland Siegwart

The current state-of-the-art methods in 3D instance segmentation typically involve a clustering step, despite the tendency towards heuristics, greedy algorithms, and a lack of robustness to the changes in data statistics. In contrast, we…

Computer Vision and Pattern Recognition · Computer Science 2022-07-14 Tong He , Wei Yin , Chunhua Shen , Anton van den Hengel

Although perception systems have made remarkable advancements in recent years, particularly in 2D reasoning segmentation, these systems still rely on explicit human instruction or pre-defined categories to identify target objects before…

Computer Vision and Pattern Recognition · Computer Science 2025-06-06 Kunshen Zhang

We introduce Ilov3Splat, a novel framework for instance-level open-vocabulary 3D scene understanding built on 3D Gaussian Splatting (3D-GS). Most prior work depends on 2D rendering-based matching or point-level semantic association, which…

Computer Vision and Pattern Recognition · Computer Science 2026-05-14 Binh Long Nguyen , Kien Nguyen , Sridha Sridharan , Clinton Fookes , Peyman Moghadam

Inspired by recent advances of deep learning in instance segmentation and object tracking, we introduce video object segmentation problem as a concept of guided instance segmentation. Our model proceeds on a per-frame basis, guided by the…

Computer Vision and Pattern Recognition · Computer Science 2019-02-05 Anna Khoreva , Federico Perazzi , Rodrigo Benenson , Bernt Schiele , Alexander Sorkine-Hornung

Instance segmentation in 3D images is a fundamental task in biomedical image analysis. While deep learning models often work well for 2D instance segmentation, 3D instance segmentation still faces critical challenges, such as insufficient…

Computer Vision and Pattern Recognition · Computer Science 2018-07-02 Zhuo Zhao , Lin Yang , Hao Zheng , Ian H. Guldner , Siyuan Zhang , Danny Z. Chen

This work presents OVIR-3D, a straightforward yet effective method for open-vocabulary 3D object instance retrieval without using any 3D data for training. Given a language query, the proposed method is able to return a ranked set of 3D…

Computer Vision and Pattern Recognition · Computer Science 2023-11-07 Shiyang Lu , Haonan Chang , Eric Pu Jing , Abdeslam Boularias , Kostas Bekris

Existing open-vocabulary 3D semantic segmentation methods typically supervise 3D segmentation models by merging text-aligned features (e.g., CLIP) extracted from multi-view images onto 3D points. However, such approaches treat multi-view…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Shiqi Zhang , Sha Zhang , Jiajun Deng , Yedong Shen , Mingxiao MA , Yanyong Zhang

In recent years, modern techniques in deep learning and large-scale datasets have led to impressive progress in 3D instance segmentation, grasp pose estimation, and robotics. This allows for accurate detection directly in 3D scenes, object-…

Robotics · Computer Science 2024-04-22 Oliver Lemke , Zuria Bauer , René Zurbrügg , Marc Pollefeys , Francis Engelmann , Hermann Blum

Incremental open-vocabulary 3D instance-semantic mapping is essential for autonomous agents operating in complex everyday environments. However, it remains challenging due to the need for robust instance segmentation, real-time processing,…

Computer Vision and Pattern Recognition · Computer Science 2026-03-30 Zilong Deng , Federico Tombari , Marc Pollefeys , Johanna Wald , Daniel Barath

Understanding dynamic 3D human representation has become increasingly critical in virtual and extended reality applications. However, existing human part segmentation methods are constrained by reliance on closed-set datasets and prolonged…

Computer Vision and Pattern Recognition · Computer Science 2025-07-29 Keito Suzuki , Bang Du , Runfa Blark Li , Kunyao Chen , Lei Wang , Peng Liu , Ning Bi , Truong Nguyen

3D object detection is fundamental for spatial understanding. Real-world environments demand models capable of recognizing diverse, previously unseen objects, which remains a major limitation of closed-set methods. Existing open-vocabulary…

Computer Vision and Pattern Recognition · Computer Science 2025-11-26 Andrey Lemeshko , Bulat Gabdullin , Nikita Drozdov , Anton Konushin , Danila Rukhovich , Maksim Kolodiazhnyi

3D open-vocabulary scene understanding aims to recognize arbitrary novel categories beyond the base label space. However, existing works not only fail to fully utilize all the available modal information in the 3D domain but also lack…

Computer Vision and Pattern Recognition · Computer Science 2024-04-23 Qingdong He , Jinlong Peng , Zhengkai Jiang , Kai Wu , Xiaozhong Ji , Jiangning Zhang , Yabiao Wang , Chengjie Wang , Mingang Chen , Yunsheng Wu

Despite the remarkable accuracy of deep neural networks in object detection, they are costly to train and scale due to supervision requirements. Particularly, learning more object categories typically requires proportionally more bounding…

Computer Vision and Pattern Recognition · Computer Science 2021-03-16 Alireza Zareian , Kevin Dela Rosa , Derek Hao Hu , Shih-Fu Chang

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

Accurate 3D instance segmentation is crucial for high-quality scene understanding in the 3D vision domain. However, 3D instance segmentation based on 2D-to-3D lifting approaches struggle to produce precise instance-level segmentation, due…

Computer Vision and Pattern Recognition · Computer Science 2025-12-22 Chaolei Wang , Yang Luo , Jing Du , Siyu Chen , Yiping Chen , Ting Han

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

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