Cacs314vjan2008 PowerPoint PPT Presentations
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transformation of geometry into coordinate system where operation becomes simpler ... given two orthonormal coordinate systems XYZ and ABC ...
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reflected intensity. independent of viewing direction. depends ... scalar (B/W intensity) or 3-tuple or 4-tuple (color) kd: diffuse coefficient, surface color ...
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specular: perfect mirror with no scattering. gloss: mixed, partial specularity ... every light source emits ambient, diffuse, and specular light ...
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smoother surfaces are more specular or glossy. ... how can we capture the 'softer' reflections of surface that are glossy, not mirror-like? ...
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Review: YIQ Color Space. color model used for color TV. Y is luminance (same as CIE) ... effect: lights attached to camera (car headlights) ...
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effect: lights attached to camera (car headlights) ... specular (a.k.a. mirror or regular) reflection ... each 'microfacet' is treated as a perfect mirror. ...
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