[DES3/VHF5-3]Effects of Symbol Size, Luminance Contrast and 3D Speckle on AR-HUD Symbol Recognition
*Ting-Yu Liu1, Pei-Li Sun1(1. National Taiwan University of Science and Technology (Taiwan))
Keywords:
AR-HUD,Visibility,Image contrast,Speckle,Image quality
Through a series of psychovisual experiments, this study evaluates the effects of luminance contrast, speckle contrast, speckle size, and viewing distance on the recognizable size of symbols displayed in AR-HUD. The results showed that Michelson Contrast with power function inversely relates to the recognizable size. A regression model was derived using the experimental data to predict the threshold of recognizable size of the symbols.