Basic Perception in Head-worn Augmented Reality Display

Basic Perception in Head-worn Augmented Reality Display -2012

MA Livingston, JL Gabbard, JE Swan II, CM Sibley, and JH Barro
For many first-time users of augmented reality (AR) displays, the experience suffers compared to their expectations. While several human factors issues are responsible for this disconnect, abundant anecdotal evidence and numerous controlled laboratory studies have shown that part of the performance gap is in the low perceptual quality of the graphical presentation. Despite extensive research in producing photorealistic graphics, little work in AR has been demonstrated to have that level of visual realism. Reviewing the literature and our own experiences and research, we identified four fundamental areas in which basic perception of the virtual and real elements in the merged world may be lacking. Visual acuity captures issues of geometric resolution, limited contrast and distorted perception of colors reveal issues of color resolution and presentation. These challenges lead naturally to issues of text legibility…There are two sets of graphs; the first (Figure 1.5) shows the objective color distortion measured by a StellarNet EPP2000CXR spectrophotometer with CR2 cosine receptor.