The effects of head-mounted display attributes on human visual perception of region warping distortions
The human visual system has a limited perception of detail. In immersive virtual reality systems, perceptually based computer graphics techniques are often used to optimize system performance. Priority rendering is a rendering technique used in conjunction with an Address Recalculation Pipeline virtual reality system, in order to reduce the overall rendering load. Further reductions to the overall rendering load have been achieved through the segmenting of large objects for priority rendering. Region warping was devised to hide scene tearing artefacts that potentially emerge as a result of implementing large object segmentation with priority rendering. Region warping however, introduces slight distortions to the graphics. It is important to understand to what extent these distortions are perceptible to a user. This paper investigates how different head mounted display attributes like field of view and resolution might affect a user's visual perception of region warping distortions.
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