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Traditional 3D scene understanding approaches rely on labeled 3D datasets to train a model for a single task with supervision. We propose OpenScene, an alternative approach where a model predicts dense features for 3D scene points that are…

Computer Vision and Pattern Recognition · Computer Science 2023-04-07 Songyou Peng , Kyle Genova , Chiyu "Max" Jiang , Andrea Tagliasacchi , Marc Pollefeys , Thomas Funkhouser

Autonomous vision applications in production, intralogistics, or manufacturing environments require perception capabilities beyond a small, fixed set of classes. Recent open-vocabulary methods, leveraging 2D Vision-Language Foundation…

Computer Vision and Pattern Recognition · Computer Science 2026-02-24 Keno Moenck , Adrian Philip Florea , Julian Koch , Thorsten Schüppstuhl

Affordance detection is a challenging problem with a wide variety of robotic applications. Traditional affordance detection methods are limited to a predefined set of affordance labels, hence potentially restricting the adaptability of…

Robotics · Computer Science 2023-07-25 Toan Nguyen , Minh Nhat Vu , An Vuong , Dzung Nguyen , Thieu Vo , Ngan Le , Anh Nguyen

Open-vocabulary semantic segmentation enables models to recognize and segment objects from arbitrary natural language descriptions, offering the flexibility to handle novel, fine-grained, or functionally defined categories beyond fixed…

Computer Vision and Pattern Recognition · Computer Science 2025-09-16 Chongyu Wang , Kunlei Jing , Jihua Zhu , Di Wang

Most recent 3D instance segmentation methods are open vocabulary, offering a greater flexibility than closed-vocabulary methods. Yet, they are limited to reasoning within a specific set of concepts, \ie the vocabulary, prompted by the user…

Computer Vision and Pattern Recognition · Computer Science 2025-03-31 Guofeng Mei , Luigi Riz , Yiming Wang , Fabio Poiesi

Text-to-image generative models are becoming increasingly popular and accessible to the general public. As these models see large-scale deployments, it is necessary to deeply investigate their safety and fairness to not disseminate and…

Computer Vision and Pattern Recognition · Computer Science 2024-08-06 Moreno D'Incà , Elia Peruzzo , Massimiliano Mancini , Dejia Xu , Vidit Goel , Xingqian Xu , Zhangyang Wang , Humphrey Shi , Nicu Sebe

We present OpenSeeD, a simple Open-vocabulary Segmentation and Detection framework that jointly learns from different segmentation and detection datasets. To bridge the gap of vocabulary and annotation granularity, we first introduce a…

Computer Vision and Pattern Recognition · Computer Science 2023-03-21 Hao Zhang , Feng Li , Xueyan Zou , Shilong Liu , Chunyuan Li , Jianfeng Gao , Jianwei Yang , Lei Zhang

Open-vocabulary panoptic reconstruction is a challenging task for simultaneous scene reconstruction and understanding. Recently, methods have been proposed for 3D scene understanding based on Gaussian splatting. However, these methods are…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Yuxuan Xie , Xuan Yu , Changjian Jiang , Sitong Mao , Shunbo Zhou , Rui Fan , Rong Xiong , Yue Wang

Understanding 3D scenes in open-world settings poses fundamental challenges for vision and robotics, particularly due to the limitations of closed-vocabulary supervision and static annotations. To address this, we propose a unified…

Computer Vision and Pattern Recognition · Computer Science 2025-11-11 Fei Yu , Quan Deng , Shengeng Tang , Yuehua Li , Lechao Cheng

Combining simple architectures with large-scale pre-training has led to massive improvements in image classification. For object detection, pre-training and scaling approaches are less well established, especially in the long-tailed and…

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

Most existing methods for training-free open-vocabulary semantic segmentation are based on CLIP. While these approaches have made progress, they often face challenges in precise localization or require complex pipelines to combine separate…

Computer Vision and Pattern Recognition · Computer Science 2026-04-23 Kaiyu Li , Shengqi Zhang , Yujie Wang , Yupeng Deng , Zhi Wang , Deyu Meng , Xiangyong Cao

Unsupervised and open-vocabulary 3D object detection has recently gained attention, particularly in autonomous driving, where reducing annotation costs and recognizing unseen objects are critical for both safety and scalability. However,…

Computer Vision and Pattern Recognition · Computer Science 2025-12-02 In-Jae Lee , Mungyeom Kim , Kwonyoung Ryu , Pierre Musacchio , Jaesik Park

Open-vocabulary querying in 3D space is crucial for enabling more intelligent perception in applications such as robotics, autonomous systems, and augmented reality. However, most existing methods rely on 2D pixel-level parsing, leading to…

Computer Vision and Pattern Recognition · Computer Science 2025-10-28 Yiren Lu , Yunlai Zhou , Yiran Qiao , Chaoda Song , Tuo Liang , Jing Ma , Huan Wang , Yu Yin

Robust robot localization is an important prerequisite for navigation, but it becomes challenging when the map and robot measurements are obtained from different sensors. Prior methods are often tailored to specific environments, relying on…

Robotics · Computer Science 2026-04-03 Evgenii Kruzhkov , Raphael Memmesheimer , Sven Behnke

Modern 3D object detection datasets are constrained by narrow class taxonomies and costly manual annotations, limiting their ability to scale to open-world settings. In contrast, 2D vision-language models trained on web-scale image-text…

Computer Vision and Pattern Recognition · Computer Science 2025-07-21 Atharv Goel , Mehar Khurana

Open-vocabulary 3D scene understanding is indispensable for embodied agents. Recent works leverage pretrained vision-language models (VLMs) for object segmentation and project them to point clouds to build 3D maps. Despite progress, a point…

Computer Vision and Pattern Recognition · Computer Science 2026-03-18 Zhigang Wang , Yifei Su , Chenhui Li , Dong Wang , Yan Huang , Bin Zhao , Xuelong Li

3D multi-object tracking plays a critical role in autonomous driving by enabling the real-time monitoring and prediction of multiple objects' movements. Traditional 3D tracking systems are typically constrained by predefined object…

Computer Vision and Pattern Recognition · Computer Science 2025-02-28 Ayesha Ishaq , Mohamed El Amine Boudjoghra , Jean Lahoud , Fahad Shahbaz Khan , Salman Khan , Hisham Cholakkal , Rao Muhammad Anwer

Many robotic tasks require grasping objects at specific object parts instead of arbitrarily, a crucial capability for interactions beyond simple pick-and-place, such as human-robot interaction, handovers, or tool use. Prior work has focused…

Open-vocabulary 3D scene understanding presents a significant challenge in computer vision, with wide-ranging applications in embodied agents and augmented reality systems. Existing methods adopt neurel rendering methods as 3D…

Computer Vision and Pattern Recognition · Computer Science 2024-08-26 Jun Guo , Xiaojian Ma , Yue Fan , Huaping Liu , Qing Li