David J. Calder

Assistive technology interfaces for the blind

David J. Calder, 2009, 2009 3rd IEEE International Conference on Digital Ecosystems and Technologies.

Travel Aids For The Blind - The digital ecosystem solution

David J. Calder, 2009, 2009 7th IEEE International Conference on Industrial Informatics.

An obstacle signaling system for the blind

David J. Calder, 2011, 5th IEEE International Conference on Digital Ecosystems and Technologies (IEEE DEST 2011).

Assistive technologies and the visually impaired: a digital ecosystem perspective

David J. Calder, D. Calder, 2010, PETRA '10.

Ecological solutions for the blind

David J. Calder, D. Calder, 2010, 4th IEEE International Conference on Digital Ecosystems and Technologies.