BDBComp
Parceria:
SBC
Martino, José Mario de

Desenvolvimento e Implementação de Framework de Realidade Virtual para Treinamento Médico

Everyone who is willing to generated high quality images is faced with aliasing problems. Prefiltering of the image is a recognized method to recognized method to soften the symptoms of aliasing. One simple filter is the integration of the visible intensities over the area of a pixel. An exact pixel integrater has to clip all polygons found in a pixel against each other and the pixel window. Pixel bit masks reduces the full polygon clipping to simple Boolean exclusive-or operations. The efficient generation of such pixel bit masks plays an important role in the time performance of the synthesis process. The idea of pixel bit masks is not new, but exploiting the point-to-point coherence of scanlines, it was possible improve the performance over the original algorithm.

http://sibgrapi.sid.inpe.br/rep/sid.inpe.br/sibgrapi/2012/09.27.15.30?mirror=sid.inpe.br/banon/2001/03.30.15.38.24&metadatarepository=sid.inpe.br/sibgrapi/2012/09.27.15.30.38

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