Papaioannou, G.Gaitatzes, A.Christopoulos, D.David Arnold and Alan Chalmers and Franco Niccolucci2014-01-312014-01-3120033-905673-08-81811-864Xhttps://doi.org/10.2312/VAST/VAST03/175-184This paper describes the methodological aspects of the application of various established and new graphics techniques in virtual reality applications, in order to visually enrich conventional walkthroughs and extend the common capabilities of virtual environment visualization platforms. The paper describes these techniques and goes to the extent of explaining various practical implementation issues. Examples and application case studies are provided to demonstrate the enhancements.Virtual reality, lightmaps, image-based rendering, culling, video.