NavCog3 is a smartphone turn-by-turn navigation assistant system we developed
specifically designed to enable independent navigation for people with visual impairments …

Turn-by-turn navigation is a useful paradigm for assisting people with visual impairments
during mobility as it reduces the cognitive load of having to simultaneously sense, localize …

The ability to travel (independently) is very important for participation in education, work,
leisure activities, and all other aspects of modern life. Blind and partially sighted people …

Navigating in unfamiliar environments is challenging for most people, especially for
individuals with visual impairments. While many personal navigation tools have been …

Continuous and accurate smartphone-based localization is a promising technology for
supporting independent mobility of people with visual impairments. However, despite …

Continuous, accurate, and real-time smartphone-based localization is a promising
technology for supporting independent mobility of people with visual impairments. However …

Featured Application The navigation system can be implemented in smartphones. With
affordable haptic accessories, it helps the visually impaired people to navigate indoor …

Methods that provide accurate navigation assistance to people with visual impairments often
rely on instrumenting the environment with specialized hardware infrastructure. In particular …

In this paper we propose a computer vision-based technique that mines existing spatial
image databases for discovery of zebra crosswalks in urban settings. Knowing the location …

Indoor wayfinding is a major challenge for people with visual impairments, who are often
unable to see visual cues such as informational signs, landmarks and structural features that …