Given the growth in the numbers of visually impaired (VI) people in low-income countries,
the development of affordable electronic travel aid (ETA) systems employing devices …

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 …

In the last years several solutions were proposed to support people with visual impairments
or blindness during road crossing. These solutions focus on computer vision techniques for …

Independent mobility is a challenge for people with visual impairment or blindness.
Groundbreaking innovation comes from mobile devices (eg, smartphones) that are …

For blind travelers, finding crosswalks and remaining within their borders while traversing
them is a crucial part of any trip involving street crossings. While standard Orientation & …

Road inventory is very important for effective transportation management. This process is
usually done by a technician in the field, manually from obtained aerial/satellite images or …

Detecting and reminding of crosswalks at urban intersections is one of the most important
demands for people with visual impairments. A real-time crosswalk detection algorithm …

Assistive applications for orientation and mobility promote independence for people with
visual impairment (PVI). While typical design and evaluation of such applications involves …

Autonomous mobility is a challenge for visually impaired people. In the last years, a number
of solutions have been proposed in the scientific literature to support visually impaired …

Purpose–The purpose of this paper is to describe recent progress on the “Crosswatch”
project, a smartphone‐based system developed for providing guidance to blind and visually …