Estimated Perceptual Distance as a Function of Viewing Distance and the Conditions (Figure 2) (image) Toyohashi University of Technology Share Print E-Mail Caption Estimated perceptual distance as a function of viewing (physical) distance and the conditions. Credit COPYRIGHT (C) TOYOHASHI UNIVERSITY OF TECHNOLOGY. ALL RIGHTS RESERVED. Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.