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Show 28 function disappear, but the Mach Band effect is visible whithin the slope of the shading function changes. the edges due to the Mach Band effect then destroys 'curved surface. by The subjective The set of pictures increasing an number of approximated with eight planar of edges the is polygons on Figure polygons. polygons. discontinuity at shade of the smooth appearance of the 2.4 shows The where the area a cylinder cylinder on picture is the first The distortion of the due to the Mach Band effect. approximated shade along the In the next picture, ,a cylinder is approximated with sixteen planar polygons. the in that is smaller, the Mach Band effect is then less shading visible. function case In order to decrease the Mach Band effect, required number of a to slope of polygons is' . observed everywhere in the real world. able large of the change As stated by Mach himself in. his papers, the Mach Band . where a The curved surface is In the domain of can. computer-generated approximated with planar polygons, the decrease the effect· effects along the edges of the polygons goal where is be images to. be apparently the ( shading function noticeable. changes, so that the presence of the separating edges is Jess |
