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With the recent rise of Large Language Models (LLMs), Vision-Language Models (VLMs), and other general foundation models, there is growing potential for multimodal, multi-task embodied agents that can operate in diverse environments given…

Robotics · Computer Science 2024-11-07 Haochen Zhang , Nader Zantout , Pujith Kachana , Zongyuan Wu , Ji Zhang , Wenshan Wang

The connection between our 3D surroundings and the descriptive language that characterizes them would be well-suited for localizing and generating human motion in context but for one problem. The complexity introduced by multiple modalities…

Computer Vision and Pattern Recognition · Computer Science 2024-05-30 Zoltán Á. Milacski , Koichiro Niinuma , Ryosuke Kawamura , Fernando de la Torre , László A. Jeni

Bridging natural language and 3D geometry is a crucial step toward flexible, language-driven scene understanding. While recent advances in 3D Gaussian Splatting (3DGS) have enabled fast and high-quality scene reconstruction, research has…

Computer Vision and Pattern Recognition · Computer Science 2025-04-18 Shaohui Dai , Yansong Qu , Zheyan Li , Xinyang Li , Shengchuan Zhang , Liujuan Cao

3D open-vocabulary scene graph methods are a promising map representation for embodied agents, however many current approaches are computationally expensive. In this paper, we reexamine the critical design choices established in previous…

Computer Vision and Pattern Recognition · Computer Science 2024-12-03 Christina Kassab , Matías Mattamala , Sacha Morin , Martin Büchner , Abhinav Valada , Liam Paull , Maurice Fallon

Our goal is to collect a large-scale audio-visual dataset with low label noise from videos in the wild using computer vision techniques. The resulting dataset can be used for training and evaluating audio recognition models. We make three…

Computer Vision and Pattern Recognition · Computer Science 2020-09-28 Honglie Chen , Weidi Xie , Andrea Vedaldi , Andrew Zisserman

Recent advancements in open-vocabulary 3D scene understanding heavily rely on 3D Gaussian Splatting (3DGS) to register vision-language features into 3D space. However, we identify two critical limitations in these approaches: the spatial…

Computer Vision and Pattern Recognition · Computer Science 2026-04-03 Fusang Wang , Nathan Piasco , Moussab Bennehar , Luis Roldão , Dzmitry Tsishkou , Fabien Moutarde

Open-vocabulary querying in 3D space is challenging but essential for scene understanding tasks such as object localization and segmentation. Language-embedded scene representations have made progress by incorporating language features into…

Computer Vision and Pattern Recognition · Computer Science 2023-12-01 Jin-Chuan Shi , Miao Wang , Hao-Bin Duan , Shao-Hua Guan

Open-vocabulary (OV) 3D object detection is an emerging field, yet its exploration through image-based methods remains limited compared to 3D point cloud-based methods. We introduce OpenM3D, a novel open-vocabulary multi-view indoor 3D…

Computer Vision and Pattern Recognition · Computer Science 2025-08-28 Peng-Hao Hsu , Ke Zhang , Fu-En Wang , Tao Tu , Ming-Feng Li , Yu-Lun Liu , Albert Y. C. Chen , Min Sun , Cheng-Hao Kuo

Recent works learn 3D representation explicitly under text-3D guidance. However, limited text-3D data restricts the vocabulary scale and text control of generations. Generators may easily fall into a stereotype concept for certain text…

Computer Vision and Pattern Recognition · Computer Science 2024-03-15 Tianyu Huang , Yihan Zeng , Bowen Dong , Hang Xu , Songcen Xu , Rynson W. H. Lau , Wangmeng Zuo

In this paper, we tackle an emerging computer vision task, open-vocabulary universal image segmentation, that aims to perform semantic/instance/panoptic segmentation (background semantic labeling + foreground instance segmentation) for…

Computer Vision and Pattern Recognition · Computer Science 2023-06-09 Zheng Ding , Jieke Wang , Zhuowen Tu

In the rapidly evolving field of autonomous driving, precise segmentation of LiDAR data is crucial for understanding complex 3D environments. Traditional approaches often rely on disparate, standalone codebases, hindering unified…

Computer Vision and Pattern Recognition · Computer Science 2024-05-31 Jiahao Sun , Chunmei Qing , Xiang Xu , Lingdong Kong , Youquan Liu , Li Li , Chenming Zhu , Jingwei Zhang , Zeqi Xiao , Runnan Chen , Tai Wang , Wenwei Zhang , Kai Chen

Accurate segmentation of organs-at-risks (OARs) is a precursor for optimizing radiation therapy planning. Existing deep learning-based multi-scale fusion architectures have demonstrated a tremendous capacity for 2D medical image…

Image and Video Processing · Electrical Eng. & Systems 2022-08-17 Abhishek Srivastava , Debesh Jha , Elif Keles , Bulent Aydogan , Mohamed Abazeed , Ulas Bagci

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

Reliable 3D instance segmentation is fundamental to language-grounded robotic manipulation. Its critical application lies in cluttered environments, where occlusions, limited viewpoints, and noisy masks degrade perception. To address these…

Computer Vision and Pattern Recognition · Computer Science 2026-02-13 Jeongho Noh , Tai Hyoung Rhee , Eunho Lee , Jeongyun Kim , Sunwoo Lee , Ayoung Kim

Open-world instance-level scene understanding aims to locate and recognize unseen object categories that are not present in the annotated dataset. This task is challenging because the model needs to both localize novel 3D objects and infer…

Computer Vision and Pattern Recognition · Computer Science 2023-08-02 Runyu Ding , Jihan Yang , Chuhui Xue , Wenqing Zhang , Song Bai , Xiaojuan Qi

Recent advances in modeling 3D objects mostly rely on synthetic datasets due to the lack of large-scale realscanned 3D databases. To facilitate the development of 3D perception, reconstruction, and generation in the real world, we propose…

Computer Vision and Pattern Recognition · Computer Science 2023-04-12 Tong Wu , Jiarui Zhang , Xiao Fu , Yuxin Wang , Jiawei Ren , Liang Pan , Wayne Wu , Lei Yang , Jiaqi Wang , Chen Qian , Dahua Lin , Ziwei Liu

Existing 3D instance segmentation methods frequently encounter issues with over-segmentation, leading to redundant and inaccurate 3D proposals that complicate downstream tasks. This challenge arises from their unsupervised merging approach,…

Computer Vision and Pattern Recognition · Computer Science 2024-11-26 Phuc Nguyen , Minh Luu , Anh Tran , Cuong Pham , Khoi Nguyen

Open-vocabulary 3D visual grounding and reasoning aim to localize objects in a scene based on implicit language descriptions, even when they are occluded. This ability is crucial for tasks such as vision-language navigation and autonomous…

Computer Vision and Pattern Recognition · Computer Science 2025-04-01 Zhenyang Liu , Yikai Wang , Sixiao Zheng , Tongying Pan , Longfei Liang , Yanwei Fu , Xiangyang Xue

In this paper, we propose Extend3D, a training-free pipeline for 3D scene generation from a single image, built upon an object-centric 3D generative model. To overcome the limitations of fixed-size latent spaces in object-centric models for…

Computer Vision and Pattern Recognition · Computer Science 2026-04-01 Seungwoo Yoon , Jinmo Kim , Jaesik Park

Many recent medical segmentation systems rely on powerful deep learning models to solve highly specific tasks. To maximize performance, it is standard practice to evaluate numerous pipelines with varying model topologies, optimization…

Machine Learning · Computer Science 2019-11-06 Mathias Perslev , Erik Bjørnager Dam , Akshay Pai , Christian Igel