Towards Long-Horizon Vision-Language Navigation: Platform, Benchmark and Method

• URL: http://arxiv.org/abs/2412.09082v2
• Date: Mon, 20 Jan 2025 06:43:48 GMT
• Title: Towards Long-Horizon Vision-Language Navigation: Platform, Benchmark and Method
• Authors: Xinshuai Song, Weixing Chen, Yang Liu, Vincent Chan, Guanbin Li, Liang Lin,
• Abstract summary: Long-Horizon Vision-Language Navigation (LH-VLN) is a novel VLN task that emphasizes long-term planning and decision consistency across consecutive subtasks. Our platform, benchmark and method supply LH-VLN with a robust data generation pipeline, comprehensive model evaluation dataset, reasonable metrics, and a novel VLN model.
• Score: 87.05001857594011
• License:
• Abstract: Existing Vision-Language Navigation (VLN) methods primarily focus on single-stage navigation, limiting their effectiveness in multi-stage and long-horizon tasks within complex and dynamic environments. To address these limitations, we propose a novel VLN task, named Long-Horizon Vision-Language Navigation (LH-VLN), which emphasizes long-term planning and decision consistency across consecutive subtasks. Furthermore, to support LH-VLN, we develop an automated data generation platform NavGen, which constructs datasets with complex task structures and improves data utility through a bidirectional, multi-granularity generation approach. To accurately evaluate complex tasks, we construct the Long-Horizon Planning and Reasoning in VLN (LHPR-VLN) benchmark consisting of 3,260 tasks with an average of 150 task steps, serving as the first dataset specifically designed for the long-horizon vision-language navigation task. Furthermore, we propose Independent Success Rate (ISR), Conditional Success Rate (CSR), and CSR weight by Ground Truth (CGT) metrics, to provide fine-grained assessments of task completion. To improve model adaptability in complex tasks, we propose a novel Multi-Granularity Dynamic Memory (MGDM) module that integrates short-term memory blurring with long-term memory retrieval to enable flexible navigation in dynamic environments. Our platform, benchmark and method supply LH-VLN with a robust data generation pipeline, comprehensive model evaluation dataset, reasonable metrics, and a novel VLN model, establishing a foundational framework for advancing LH-VLN.

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