| OCR Text |
Show ABSTRACT thesis This in calculation and line, The realism real is the achieved of few models roughness value a by is to of the the Other and by how based requiring by intensities of shading them. functions based involve irregularities the surface defining parameters. a between light actually of curved important points along enhancements properties algorithm defined reduced use computer realistically. more line scan a visually of and parametrically time increased surfaces. perturbations rapidly by interpolating semi-empirical surface of only ?roblem of generating more pictures at scan of the Computation surfaces. on is speed drawing for both images synthesized Increase attacks reflects simulation of applying by as off a function |