Embodied Spatial Intelligence: from Implicit Scene Modeling to Spatial Reasoning

Fuente: arXiv
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Main Author: Fang, Jiading
Format: Preprint
Published: 2025
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author Fang, Jiading
author_facet Fang, Jiading
contents This thesis introduces "Embodied Spatial Intelligence" to address the challenge of creating robots that can perceive and act in the real world based on natural language instructions. To bridge the gap between Large Language Models (LLMs) and physical embodiment, we present contributions on two fronts: scene representation and spatial reasoning. For perception, we develop robust, scalable, and accurate scene representations using implicit neural models, with contributions in self-supervised camera calibration, high-fidelity depth field generation, and large-scale reconstruction. For spatial reasoning, we enhance the spatial capabilities of LLMs by introducing a novel navigation benchmark, a method for grounding language in 3D, and a state-feedback mechanism to improve long-horizon decision-making. This work lays a foundation for robots that can robustly perceive their surroundings and intelligently act upon complex, language-based commands.
format Preprint
id arxiv_https___arxiv_org_abs_2509_00465
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Embodied Spatial Intelligence: from Implicit Scene Modeling to Spatial Reasoning
Fang, Jiading
Robotics
Artificial Intelligence
Computer Vision and Pattern Recognition
This thesis introduces "Embodied Spatial Intelligence" to address the challenge of creating robots that can perceive and act in the real world based on natural language instructions. To bridge the gap between Large Language Models (LLMs) and physical embodiment, we present contributions on two fronts: scene representation and spatial reasoning. For perception, we develop robust, scalable, and accurate scene representations using implicit neural models, with contributions in self-supervised camera calibration, high-fidelity depth field generation, and large-scale reconstruction. For spatial reasoning, we enhance the spatial capabilities of LLMs by introducing a novel navigation benchmark, a method for grounding language in 3D, and a state-feedback mechanism to improve long-horizon decision-making. This work lays a foundation for robots that can robustly perceive their surroundings and intelligently act upon complex, language-based commands.
title Embodied Spatial Intelligence: from Implicit Scene Modeling to Spatial Reasoning
topic Robotics
Artificial Intelligence
Computer Vision and Pattern Recognition
url https://arxiv.org/abs/2509.00465