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Grounding object properties and relations in 3D scenes is a prerequisite for a wide range of artificial intelligence tasks, such as visually grounded dialogues and embodied manipulation. However, the variability of the 3D domain induces two…

Computer Vision and Pattern Recognition · Computer Science 2023-03-24 Joy Hsu , Jiayuan Mao , Jiajun Wu

3D visual grounding consists of identifying the instance in a 3D scene which is referred by an accompanying language description. While several architectures have been proposed within the commonly employed grounding-by-selection framework,…

Computer Vision and Pattern Recognition · Computer Science 2024-11-07 Sombit Dey , Ozan Unal , Christos Sakaridis , Luc Van Gool

3D visual grounding is the task of localizing the object in a 3D scene which is referred by a description in natural language. With a wide range of applications ranging from autonomous indoor robotics to AR/VR, the task has recently risen…

Computer Vision and Pattern Recognition · Computer Science 2024-07-17 Ozan Unal , Christos Sakaridis , Suman Saha , Luc Van Gool

Key to tasks that require reasoning about natural language in visual contexts is grounding words and phrases to image regions. However, observing this grounding in contemporary models is complex, even if it is generally expected to take…

Computation and Language · Computer Science 2024-06-03 Noriyuki Kojima , Hadar Averbuch-Elor , Yoav Artzi

Vision-language models (VLMs) have demonstrated remarkable capabilities in understanding and reasoning about visual content, but significant challenges persist in tasks requiring cross-viewpoint understanding and spatial reasoning. We…

Computer Vision and Pattern Recognition · Computer Science 2025-10-01 Dingming Li , Hongxing Li , Zixuan Wang , Yuchen Yan , Hang Zhang , Siqi Chen , Guiyang Hou , Shengpei Jiang , Wenqi Zhang , Yongliang Shen , Weiming Lu , Yueting Zhuang

Vision-Language Models (VLMs) exhibit strong visual reasoning capabilities, yet they still struggle with 3D understanding. In particular, VLMs often fail to infer a text-consistent goal 6D pose of a target object in a 3D scene. However, we…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Sangwon Baik , Gunhee Kim , Mingi Choi , Hanbyul Joo

Learning to plan in grounded environments typically requires carefully designed reward functions or high-quality annotated demonstrations. Recent works show that pretrained foundation models, such as large language models (LLMs) and vision…

Artificial Intelligence · Computer Science 2025-09-15 Yuxuan Li , Victor Zhong

Human-scene vision-language tasks are increasingly prevalent in diverse social applications, yet recent advancements predominantly rely on models specifically tailored to individual tasks. Emerging research indicates that large…

Artificial Intelligence · Computer Science 2024-11-06 Dawei Dai , Xu Long , Li Yutang , Zhang Yuanhui , Shuyin Xia

3D Visual Grounding (3DVG) focuses on locating objects in 3D scenes based on natural language descriptions, serving as a fundamental task for embodied AI and robotics. Recent advances in Multi-modal Large Language Models (MLLMs) have…

Computer Vision and Pattern Recognition · Computer Science 2025-12-02 Beining Xu , Siting Zhu , Zhao Jin , Junxian Li , Hesheng Wang

Spatial Reasoning is an important component of human cognition and is an area in which the latest Vision-language models (VLMs) show signs of difficulty. The current analysis works use image captioning tasks and visual question answering.…

Computation and Language · Computer Science 2025-11-11 Akshar Tumu , Varad Shinde , Parisa Kordjamshidi

Abstract semantic 3D scene understanding is a problem of critical importance in robotics. As robots still lack the common-sense knowledge about household objects and locations of an average human, we investigate the use of pre-trained…

Robotics · Computer Science 2023-11-09 William Chen , Siyi Hu , Rajat Talak , Luca Carlone

Understanding 3D scenes from multi-view inputs has been proven to alleviate the view discrepancy issue in 3D visual grounding. However, existing methods normally neglect the view cues embedded in the text modality and fail to weigh the…

Computer Vision and Pattern Recognition · Computer Science 2023-12-06 Zoey Guo , Yiwen Tang , Ray Zhang , Dong Wang , Zhigang Wang , Bin Zhao , Xuelong Li

Fine-grained alignment between videos and text is challenging due to complex spatial and temporal dynamics in videos. Existing video-based Large Multimodal Models (LMMs) handle basic conversations but struggle with precise pixel-level…

Computer Vision and Pattern Recognition · Computer Science 2025-03-26 Shehan Munasinghe , Hanan Gani , Wenqi Zhu , Jiale Cao , Eric Xing , Fahad Shahbaz Khan , Salman Khan

Recent advances in 3D datasets and multimodal models have greatly improved natural language 3D scene understanding. However, most 3D referring segmentation methods do not explicitly represent the observer viewpoint, making spatial relations…

Computer Vision and Pattern Recognition · Computer Science 2026-05-18 Ayaka Nanri , Klara Reichard , Mert Kiray , Federico Tombari , Benjamin Busam , Asako Kanezaki

In this study, we present IL3D, a large-scale dataset meticulously designed for large language model (LLM)-driven 3D scene generation, addressing the pressing demand for diverse, high-quality training data in indoor layout design.…

Computer Vision and Pattern Recognition · Computer Science 2025-10-15 Wenxu Zhou , Kaixuan Nie , Hang Du , Dong Yin , Wei Huang , Siqiang Guo , Xiaobo Zhang , Pengbo Hu

Recent advances in large language models (LLMs) have significantly improved language-driven 3D content generation, but most existing approaches still treat scene generation and user interaction as separate processes, limiting the…

Computer Vision and Pattern Recognition · Computer Science 2026-05-08 Anh H. Vo , Sungyo Lee , Phil-Joong Kim , Soo-Mi Choi , Yong-Guk Kim

Recent conditional 3D completion works have mainly relied on CLIP or BERT to encode textual information, which cannot support complex instruction. Meanwhile, large language models (LLMs) have shown great potential in multi-modal…

Computer Vision and Pattern Recognition · Computer Science 2024-06-11 Jianmeng Liu , Yichen Liu , Yuyao Zhang , Zeyuan Meng , Yu-Wing Tai , Chi-Keung Tang

We address the new problem of language-guided semantic style transfer of 3D indoor scenes. The input is a 3D indoor scene mesh and several phrases that describe the target scene. Firstly, 3D vertex coordinates are mapped to RGB residues by…

Computer Vision and Pattern Recognition · Computer Science 2022-08-17 Bu Jin , Beiwen Tian , Hao Zhao , Guyue Zhou

Understanding context is key to understanding human language, an ability which Large Language Models (LLMs) have been increasingly seen to demonstrate to an impressive extent. However, though the evaluation of LLMs encompasses various…

Computation and Language · Computer Science 2024-02-02 Yilun Zhu , Joel Ruben Antony Moniz , Shruti Bhargava , Jiarui Lu , Dhivya Piraviperumal , Site Li , Yuan Zhang , Hong Yu , Bo-Hsiang Tseng

Large Language Models (LLMs) have demonstrated exceptional proficiency in text understanding and embedding tasks. However, their potential in multimodal representation, particularly for item-to-item (I2I) recommendations, remains…

Information Retrieval · Computer Science 2025-01-22 Chao Zhang , Haoxin Zhang , Shiwei Wu , Di Wu , Tong Xu , Xiangyu Zhao , Yan Gao , Yao Hu , Enhong Chen