Computer Graphics 1 Contrast Sensitivity 1 Form Perception 1 Humans 1 Light 1 Lighting 1 Materials Science 1 Photic Stimulation 1 Psychophysics 1 Surface Properties 1 Task Performance and Analysis 1 Visual Perception computer graphics 1 contrast sensitivity 1 devices 1 human 1 illumination 1 light 1 materials science 1 pattern recognition 1 photostimulation 1 physiology 1 procedures 1 psychophysics 1 surface property 1 task performance 1 vision 1