English
Related papers

Related papers: Audio-3DVG: Unified Audio -- Point Cloud Fusion fo…

200 papers

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

Real-time open-vocabulary scene understanding is essential for efficient 3D perception in applications such as vision-language navigation, embodied intelligence, and augmented reality. However, existing methods suffer from imprecise…

Computer Vision and Pattern Recognition · Computer Science 2025-04-29 Xiaofeng Jin , Matteo Frosi , Matteo Matteucci

Vector quantization has emerged as a powerful tool in large-scale multimodal models, unifying heterogeneous representations through discrete token encoding. However, its effectiveness hinges on robust codebook design. Current…

Computer Vision and Pattern Recognition · Computer Science 2025-11-20 Hongxuan Li , Wencheng Zhu , Huiying Xu , Xinzhong Zhu , Pengfei Zhu

This paper tackles the challenging task of 3D visual grounding-locating a specific object in a 3D point cloud scene based on text descriptions. Existing methods fall into two categories: top-down and bottom-up methods. Top-down methods rely…

Computer Vision and Pattern Recognition · Computer Science 2024-10-22 Yang Liu , Daizong Liu , Wei Hu

The task of LiDAR-based 3D Open-Vocabulary Detection (3D OVD) requires the detector to learn to detect novel objects from point clouds without off-the-shelf training labels. Previous methods focus on the learning of object-level…

Computer Vision and Pattern Recognition · Computer Science 2025-03-27 Xingyu Peng , Si Liu , Chen Gao , Yan Bai , Beipeng Mu , Xiaofei Wang , Huaxia Xia

3D Visual Grounding (3DVG) is a critical bridge from vision-language perception to robotics, requiring both language understanding and 3D scene reasoning. Traditional supervised models leverage explicit 3D geometry but exhibit limited…

Computer Vision and Pattern Recognition · Computer Science 2025-12-25 Seongmin Jung , Seongho Choi , Gunwoo Jeon , Minsu Cho , Jongwoo Lim

Multimodal Large Language Models (MLLMs) have made impressive progress in connecting vision and language, but they still struggle with spatial understanding and viewpoint-aware reasoning. Recent efforts aim to augment the input…

Computer Vision and Pattern Recognition · Computer Science 2026-03-19 Kevin Qu , Haozhe Qi , Mihai Dusmanu , Mahdi Rad , Rui Wang , Marc Pollefeys

Video Temporal Grounding (VTG), which aims to ground target clips from videos (such as consecutive intervals or disjoint shots) according to custom language queries (e.g., sentences or words), is key for video browsing on social media. Most…

Computer Vision and Pattern Recognition · Computer Science 2023-08-21 Kevin Qinghong Lin , Pengchuan Zhang , Joya Chen , Shraman Pramanick , Difei Gao , Alex Jinpeng Wang , Rui Yan , Mike Zheng Shou

Open-vocabulary 3D object detection has recently attracted considerable attention due to its broad applications in autonomous driving and robotics, which aims to effectively recognize novel classes in previously unseen domains. However,…

Computer Vision and Pattern Recognition · Computer Science 2024-11-26 Rui Huang , Henry Zheng , Yan Wang , Zhuofan Xia , Marco Pavone , Gao Huang

In this paper our objectives are, first, networks that can embed audio and visual inputs into a common space that is suitable for cross-modal retrieval; and second, a network that can localize the object that sounds in an image, given the…

Computer Vision and Pattern Recognition · Computer Science 2018-07-27 Relja Arandjelović , Andrew Zisserman

The recent development of Large Language Models (LLMs) with strong reasoning ability has driven research in various domains such as mathematics, coding, and scientific discovery. Meanwhile, 3D visual grounding, as a fundamental task in 3D…

Computer Vision and Pattern Recognition · Computer Science 2026-01-14 Hsiang-Wei Huang , Kuang-Ming Chen , Wenhao Chai , Cheng-Yen Yang , Jen-Hao Cheng , Jenq-Neng Hwang

Interactive 3D simulated objects are crucial in AR/VR, animations, and robotics, driving immersive experiences and advanced automation. However, creating these articulated objects requires extensive human effort and expertise, limiting…

Computer Vision and Pattern Recognition · Computer Science 2025-06-03 Long Le , Jason Xie , William Liang , Hung-Ju Wang , Yue Yang , Yecheng Jason Ma , Kyle Vedder , Arjun Krishna , Dinesh Jayaraman , Eric Eaton

Accurate detection of objects in 3D point clouds is a key problem in autonomous driving systems. Collaborative perception can incorporate information from spatially diverse sensors and provide significant benefits for improving the…

Computer Vision and Pattern Recognition · Computer Science 2022-05-25 Junyong Wang , Yuan Zeng , Yi Gong

Different from Object Detection, Visual Grounding deals with detecting a bounding box for each text-image pair. This one box for each text-image data provides sparse supervision signals. Although previous works achieve impressive results,…

Computer Vision and Pattern Recognition · Computer Science 2024-07-09 Weitai Kang , Gaowen Liu , Mubarak Shah , Yan Yan

With the goal of more natural and human-like interaction with virtual voice assistants, recent research in the field has focused on full duplex interaction mode without relying on repeated wake-up words. This requires that in scenes with…

Sound · Computer Science 2024-09-17 Anna Wang , Da Liu , Zhiyu Zhang , Shengqiang Liu , Jie Gao , Yali Li

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

Seamless integration of virtual and physical worlds in augmented reality benefits from the system semantically "understanding" the physical environment. AR research has long focused on the potential of context awareness, demonstrating novel…

Human-Computer Interaction · Computer Science 2024-10-08 Chengyuan Xu , Radha Kumaran , Noah Stier , Kangyou Yu , Tobias Höllerer

To facilitate depth-based 3D action recognition, 3D dynamic voxel (3DV) is proposed as a novel 3D motion representation. With 3D space voxelization, the key idea of 3DV is to encode 3D motion information within depth video into a regular…

Computer Vision and Pattern Recognition · Computer Science 2020-05-13 Yancheng Wang , Yang Xiao , Fu Xiong , Wenxiang Jiang , Zhiguo Cao , Joey Tianyi Zhou , Junsong Yuan

In this work, we focus on the problem of grounding language by training an agent to follow a set of natural language instructions and navigate to a target object in an environment. The agent receives visual information through raw pixels…

Computation and Language · Computer Science 2018-12-27 Akilesh B , Abhishek Sinha , Mausoom Sarkar , Balaji Krishnamurthy

Dynamic objects in the environment, such as people and other agents, lead to challenges for existing simultaneous localization and mapping (SLAM) approaches. To deal with dynamic environments, computer vision researchers usually apply some…

Robotics · Computer Science 2021-08-04 Tianwei Zhang , Huayan Zhang , Xiaofei Li , Junfeng Chen , Tin Lun Lam , Sethu Vijayakumar