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This paper introduces VLMFusionOcc3D, a robust multimodal framework for dense 3D semantic occupancy prediction in autonomous driving. Current voxel-based occupancy models often struggle with semantic ambiguity in sparse geometric grids and…

Computer Vision and Pattern Recognition · Computer Science 2026-03-04 A. Enes Doruk , Hasan F. Ates

3D object grounding localizes referred objects in a 3D scene from natural language. Unified instance-centric 3D-LLMs aim to solve grounding together with dialog, QA, and captioning, yet many rely on a single pointer-style grounding decision…

Computer Vision and Pattern Recognition · Computer Science 2026-05-28 Jiawei Li , Ziyi Liu , Weijie Shi , Long Chen , Jiajie Xu , Xiaofang Zhou

The 3D reconstruction of simultaneous localization and mapping (SLAM) is an important topic in the field for transport systems such as drones, service robots and mobile AR/VR devices. Compared to a point cloud representation, the 3D…

Robotics · Computer Science 2023-09-12 Quentin Picard , Stephane Chevobbe , Mehdi Darouich , Jean-Yves Didier

Vision-Language Models (VLMs) excel at complex visual tasks such as VQA and chart understanding, yet recent work suggests they struggle with simple perceptual tests. We present an evaluation of vision-language models' capacity for nonlocal…

Computer Vision and Pattern Recognition · Computer Science 2025-12-01 Shmuel Berman , Jia Deng

With the rapid advancement of artificial intelligence and robotics, the integration of Large Language Models (LLMs) with 3D vision is emerging as a transformative approach to enhancing robotic sensing technologies. This convergence enables…

Robotics · Computer Science 2025-11-19 Vinit Mehta , Charu Sharma , Karthick Thiyagarajan

Achieving human-like reasoning in deep learning models for complex tasks in unknown environments remains a critical challenge in embodied intelligence. While advanced vision-language models (VLMs) excel in static scene understanding, their…

Computer Vision and Pattern Recognition · Computer Science 2025-09-03 Jinzhou Tang , Jusheng zhang , Sidi Liu , Waikit Xiu , Qinhan Lv , Xiying Li

Learning to ground natural language queries to target objects or regions in 3D point clouds is quite essential for 3D scene understanding. Nevertheless, existing 3D visual grounding approaches require a substantial number of bounding box…

Computer Vision and Pattern Recognition · Computer Science 2025-08-27 Xiaoxu Xu , Yitian Yuan , Qiudan Zhang , Wenhui Wu , Zequn Jie , Lin Ma , Xu Wang

Vision-Language Models (VLMs) often yield inconsistent descriptions of the same object across viewpoints, hindering the ability of embodied agents to construct consistent semantic representations over time. Previous methods resolved…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Tommaso Galliena , Stefano Rosa , Tommaso Apicella , Pietro Morerio , Alessio Del Bue , Lorenzo Natale

Multimodal large language models (MLLMs) have advanced zero-shot end-to-end Vision-Language Navigation (VLN), yet robust navigation requires not only semantic understanding but also predictive modeling of environment dynamics and spatial…

Computer Vision and Pattern Recognition · Computer Science 2026-03-05 Zehua Fan , Wenqi Lyu , Wenxuan Song , Linge Zhao , Yifei Yang , Xi Wang , Junjie He , Lida Huang , Haiyan Liu , Bingchuan Sun , Guangjun Bao , Xuanyao Mao , Liang Xu , Yan Wang , Feng Gao

3D super-resolution aims to reconstruct high-fidelity 3D models from low-resolution (LR) multi-view images. Early studies primarily focused on single-image super-resolution (SISR) models to upsample LR images into high-resolution images.…

Computer Vision and Pattern Recognition · Computer Science 2024-12-24 Hyun-kyu Ko , Dongheok Park , Youngin Park , Byeonghyeon Lee , Juhee Han , Eunbyung Park

Prompt-driven scene synthesis allows users to generate complete 3D environments from textual descriptions. Current text-to-scene methods often struggle with complex geometries and object transformations, and tend to show weak adherence to…

Computer Vision and Pattern Recognition · Computer Science 2025-11-14 Frédéric Berdoz , Luca A. Lanzendörfer , Nick Tuninga , Roger Wattenhofer

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

Vision-language models (VLMs) show great promise for 3D scene understanding but are mainly applied to indoor spaces or autonomous driving, focusing on low-level tasks like segmentation. This work expands their use to urban-scale…

Computer Vision and Pattern Recognition · Computer Science 2025-03-24 Valentin Bieri , Marco Zamboni , Nicolas S. Blumer , Qingxuan Chen , Francis Engelmann

Recent advancements in 3D reconstruction methods and vision-language models have propelled the development of multi-modal 3D scene understanding, which has vital applications in robotics, autonomous driving, and virtual/augmented reality.…

Computer Vision and Pattern Recognition · Computer Science 2025-05-06 Qucheng Peng , Benjamin Planche , Zhongpai Gao , Meng Zheng , Anwesa Choudhuri , Terrence Chen , Chen Chen , Ziyan Wu

Vision-Language Models (VLMs) have demonstrated impressive performance on various visual tasks, yet they still require adaptation on downstream tasks to achieve optimal performance. Recently, various adaptation technologies have been…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Chuanming Wang , Henming Mao , Huanhuan Zhang , Huiyuan Fu , Huadong Ma

The Large Visual-Language Models (LVLMs) have significantly advanced image understanding. Their comprehension and reasoning capabilities enable promising applications in autonomous driving scenarios. However, existing research typically…

Computer Vision and Pattern Recognition · Computer Science 2025-05-14 Zongchuang Zhao , Haoyu Fu , Dingkang Liang , Xin Zhou , Dingyuan Zhang , Hongwei Xie , Bing Wang , Xiang Bai

Vision-language models (VLMs) are emerging as powerful generalist tools for remote sensing, capable of integrating information across diverse tasks and enabling flexible, instruction-based interactions via a chat interface. In this work, we…

Computer Vision and Pattern Recognition · Computer Science 2026-03-16 Aysim Toker , Andreea-Maria Oncescu , Roy Miles , Ismail Elezi , Jiankang Deng

Reasoning about fine-grained spatial relationships in warehouse-scale environments poses a significant challenge for existing vision-language models (VLMs), which often struggle to comprehend 3D layouts, object arrangements, and multimodal…

Computer Vision and Pattern Recognition · Computer Science 2025-08-26 Vinh-Thuan Ly , Hoang M. Truong , Xuan-Huong Nguyen

Multimodal large language models have demonstrated remarkable capabilities in 2D vision, motivating their extension to 3D scene understanding. Recent studies represent 3D scenes as 3D spatial videos composed of image sequences with depth…

Computer Vision and Pattern Recognition · Computer Science 2026-04-21 Han Li , Zehao Huang , Jiahui Fu , Naiyan Wang , Si Liu

Visual relocalization is crucial for autonomous visual localization and navigation of mobile robotics. Due to the improvement of CNN-based object detection algorithm, the robustness of visual relocalization is greatly enhanced especially in…

Computer Vision and Pattern Recognition · Computer Science 2024-02-13 Yifan Zhu , Lingjuan Miao , Haitao Wu , Zhiqiang Zhou , Weiyi Chen , Longwen Wu