Observation-Graph Interaction and Key-Detail Guidance for Vision and Language Navigation

• URL: http://arxiv.org/abs/2503.11006v1
• Date: Fri, 14 Mar 2025 02:05:16 GMT
• Title: Observation-Graph Interaction and Key-Detail Guidance for Vision and Language Navigation
• Authors: Yifan Xie, Binkai Ou, Fei Ma, Yaohua Liu,
• Abstract summary: Vision and Language Navigation (VLN) requires an agent to navigate through environments following natural language instructions.<n>Existing methods often struggle with effectively integrating visual observations and instruction details during navigation.<n>We propose OIKG, a novel framework that addresses these limitations through two key components.
• Score: 7.150985186031763
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Vision and Language Navigation (VLN) requires an agent to navigate through environments following natural language instructions. However, existing methods often struggle with effectively integrating visual observations and instruction details during navigation, leading to suboptimal path planning and limited success rates. In this paper, we propose OIKG (Observation-graph Interaction and Key-detail Guidance), a novel framework that addresses these limitations through two key components: (1) an observation-graph interaction module that decouples angular and visual information while strengthening edge representations in the navigation space, and (2) a key-detail guidance module that dynamically extracts and utilizes fine-grained location and object information from instructions. By enabling more precise cross-modal alignment and dynamic instruction interpretation, our approach significantly improves the agent's ability to follow complex navigation instructions. Extensive experiments on the R2R and RxR datasets demonstrate that OIKG achieves state-of-the-art performance across multiple evaluation metrics, validating the effectiveness of our method in enhancing navigation precision through better observation-instruction alignment.

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