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Related papers: R2G: Reasoning to Ground in 3D Scenes

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3D visual grounding (3DVG) involves localizing entities in a 3D scene referred to by natural language text. Such models are useful for embodied AI and scene retrieval applications, which involve searching for objects or patterns using…

Computer Vision and Pattern Recognition · Computer Science 2025-07-09 Austin T. Wang , ZeMing Gong , Angel X. Chang

High-level autonomous operations depend on a robot's ability to construct a sufficiently expressive model of its environment. Traditional three-dimensional (3D) scene representations, such as point clouds and occupancy grids, provide…

Robotics · Computer Science 2025-06-10 Chad R Samuelson , Timothy W McLain , Joshua G Mangelson

Enabling intelligent agents to comprehend and interact with 3D environments through natural language is crucial for advancing robotics and human-computer interaction. A fundamental task in this field is ego-centric 3D visual grounding,…

Computer Vision and Pattern Recognition · Computer Science 2025-05-09 Henry Zheng , Hao Shi , Qihang Peng , Yong Xien Chng , Rui Huang , Yepeng Weng , Zhongchao Shi , Gao Huang

Referential grounding in outdoor driving scenes is challenging due to large scene variability, many visually similar objects, and dynamic elements that complicate resolving natural-language references (e.g., "the black car on the right").…

Computer Vision and Pattern Recognition · Computer Science 2025-10-22 Pranav Saxena , Avigyan Bhattacharya , Ji Zhang , Wenshan Wang

In order to successfully perform tasks specified by natural language instructions, an artificial agent operating in a visual world needs to map words, concepts, and actions from the instruction to visual elements in its environment. This…

Computer Vision and Pattern Recognition · Computer Science 2019-10-15 Soumik Dasgupta , Badri N. Patro , Vinay P. Namboodiri

Modern extended reality XR systems provide rich analysis of image data and fusion of sensor input and demand AR/VR applications that can reason about 3D scenes in a semantic manner. We present a spatial reasoning framework that bridges…

Software Engineering · Computer Science 2025-04-28 Steven Häsler , Philipp Ackermann

For a given scene, humans can easily reason for the locations and pose to place objects. Designing a computational model to reason about these affordances poses a significant challenge, mirroring the intuitive reasoning abilities of humans.…

Computer Vision and Pattern Recognition · Computer Science 2024-07-23 Rishubh Parihar , Harsh Gupta , Sachidanand VS , R. Venkatesh Babu

We present a visually-grounded language understanding model based on a study of how people verbally describe objects in scenes. The emphasis of the model is on the combination of individual word meanings to produce meanings for complex…

Artificial Intelligence · Computer Science 2011-07-04 P. Gorniak , D. Roy

Robots are finding wider adoption in human environments, increasing the need for natural human-robot interaction. However, understanding a natural language command requires the robot to infer the intended task and how to decompose it into…

Robotics · Computer Science 2026-02-05 Julia Kuhn , Francesco Verdoja , Tsvetomila Mihaylova , Ville Kyrki

In this paper, we introduce a contextual grounding approach that captures the context in corresponding text entities and image regions to improve the grounding accuracy. Specifically, the proposed architecture accepts pre-trained text token…

Computer Vision and Pattern Recognition · Computer Science 2019-11-07 Farley Lai , Ning Xie , Derek Doran , Asim Kadav

Reasoning segmentation is an emerging vision-language task that requires reasoning over intricate text queries to precisely segment objects. However, existing methods typically suffer from overthinking, generating verbose reasoning chains…

Computer Vision and Pattern Recognition · Computer Science 2026-02-03 Yulin He , Wei Chen , Zhikang Jian , Tianhang Guo , Wenjuan Zhou , Minglong Li , Shaowu Yang , Wenjing Yang

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

Recognition and reasoning are two pillars of visual understanding. However, these tasks have an imbalance in focus; whereas recent advances in neural networks have shown strong empirical performance in visual recognition, there has been…

Computer Vision and Pattern Recognition · Computer Science 2023-11-14 Calvin Luo , Boqing Gong , Ting Chen , Chen Sun

We propose a new spatial memory module and a spatial reasoner for the Visual Grounding (VG) task. The goal of this task is to find a certain object in an image based on a given textual query. Our work focuses on integrating the regions of a…

Computer Vision and Pattern Recognition · Computer Science 2021-05-27 Thierry Deruyttere , Guillem Collell , Marie-Francine Moens

Grounding a command to the visual environment is an essential ingredient for interactions between autonomous vehicles and humans. In this work, we study the problem of language grounding for autonomous vehicles, which aims to localize a…

Computer Vision and Pattern Recognition · Computer Science 2022-03-15 Hou Pong Chan , Mingxi Guo , Cheng-Zhong Xu

Grounded Situation Recognition (GSR) is the task that not only classifies a salient action (verb), but also predicts entities (nouns) associated with semantic roles and their locations in the given image. Inspired by the remarkable success…

Computer Vision and Pattern Recognition · Computer Science 2021-11-22 Junhyeong Cho , Youngseok Yoon , Hyeonjun Lee , Suha Kwak

Representing and understanding 3D environments in a structured manner is crucial for autonomous agents to navigate and reason about their surroundings. While traditional Simultaneous Localization and Mapping (SLAM) methods generate metric…

Robotics · Computer Science 2026-02-03 Albert Gassol Puigjaner , Angelos Zacharia , Kostas Alexis

Grounding language in the physical world requires AI systems to interpret references that emerge dynamically during conversation. While current vision-language models (VLMs) excel at static image tasks, they struggle to resolve ambiguous…

Computer Vision and Pattern Recognition · Computer Science 2026-05-22 Anna Deichler , Jim O'Regan , Fethiye Irmak Dogan , Lubos Marcinek , Anna Klezovich , Iolanda Leite , Jonas Beskow

Remote sensing visual grounding (RSVG) aims to localize objects in remote sensing imagery according to natural language expressions. Previous methods typically rely on sentence-level vision-language alignment, which struggles to exploit…

Computer Vision and Pattern Recognition · Computer Science 2026-04-03 Ke Li , Ting Wang , Di Wang , Yongshan Zhu , Yiming Zhang , Tao Lei , Quan Wang

Vision-centric retrieval for VQA requires retrieving images to supply missing visual cues and integrating them into the reasoning process. However, selecting the right images and integrating them effectively into the model's reasoning…

Computer Vision and Pattern Recognition · Computer Science 2026-04-08 Zhuohong Chen , Zhengxian Wu , Zirui Liao , Shenao Jiang , Hangrui Xu , Yang Chen , Chaokui Su , Xiaoyu Liu , Haoqian Wang