texto impreso

Digitally generated soft edges with predetermined luminance: An analysis of its influence on image degradation.

Sanz, Inmaculada ; Calvo Padilla, María Luisa ; Chevalier del Río, Margarita | SPIE--The International Society for Optical Engineering | 1998

The presence of degraded or soft edges on a scene or digital image may cause ambiguities in depth perception(1,2). This kind of edges has been analyzed by introducing a mathematical model to digitally implement a large category of degraded edges[...]

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texto impreso

Sampled hard edge reconstruction: Definition of frequency modulation function for a sampling-reconstructing system (not quantized)

Sanz, Inmaculada ; Calvo Padilla, María Luisa ; Chevalier del Río, Margarita | SPIE--The International Society for Optical Engineering | 1996

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