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arXiv · 2509.18672

NaviSense: A Multimodal Assistive Mobile application for Object Retrieval by Persons with Visual Impairment

Ajay Narayanan Sridhar·Fuli Qiao·Nelson Daniel Troncoso Aldas·Yanpei Shi·Mehrdad Mahdavi·Laurent Itti·Vijaykrishnan Narayanan
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Abstract

People with visual impairments often face significant challenges in locating and retrieving objects in their surroundings. Existing assistive technologies present a trade-off: systems that offer precise guidance typically require pre-scanning or support only fixed object categories, while those with open-world object recognition lack spatial feedback for reaching the object. To address this gap, we introduce 'NaviSense', a mobile assistive system that combines conversational AI, vision-language models, augmented reality (AR), and LiDAR to support open-world object detection with real-time audio-haptic guidance. Users specify objects via natural language and receive continuous spatial feedback to navigate toward the target without needing prior setup. Designed with insights from a formative study and evaluated with 12 blind and low-vision participants, NaviSense significantly reduced object retrieval time and was preferred over existing tools, demonstrating the value of integrating open-world perception with precise, accessible guidance.

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Ajay Narayanan Sridhar, Fuli Qiao, Nelson Daniel Troncoso Aldas, Yanpei Shi, Mehrdad Mahdavi, Laurent Itti, Vijaykrishnan Narayanan. 2025-09-23. NaviSense: A Multimodal Assistive Mobile application for Object Retrieval by Persons with Visual Impairment. https://arxiv.org/abs/2509.18672

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