Edges are important visual features, providing many cues to the three-dimensional structure
of the world. One of these cues is edge blur. Sharp edges tend to be caused by object …

Classification-image analysis has proven to be a valuable tool for revealing features used to
perform visual tasks in noise. We use this methodology to investigate how the magnitude of …

Chapter 2 of this dissertation has been published in a peer-reviewed journal, The Journal of
the Optical Society of America A. Chapter 4 has been submitted to Vision Research. Chapter …

James H Page 1 JAMES H. ELDER, PH.D., P.ENG. Professor & York Research Chair in Human
and Computer Vision York University Address Centre for Vision Research York University 4700 …