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- W1984595605 abstract "We present a fast and reliable space-leaping scheme to accelerate ray casting during interactive navigation in a complex volumetric scene, where we combine innovative space-leaping techniques in a number of ways. First, we derive most of the pixel depths at the current frame by exploiting the temporal coherence during navigation, where we employ a novel fast cell-based reprojection scheme that is more reliable than the traditional intersection-point based reprojection. Next, we exploit the object space coherence to quickly detect the remaining pixel depths, by using a precomputed accurate distance field that stores the Euclidean distance from each empty (background) voxel toward its nearest object boundary. In addition, we propose an effective solution to the challenging new-incoming-objects problem during navigation. Our algorithm has been implemented on a 16-processor SGI Power Challenge and reached interactive rendering rates at more than 10 Hz during the navigation inside 512/sup 3/ volume data sets acquired from both a simulation phantom and actual patients." @default.
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- W1984595605 date "2002-10-27" @default.
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- W1984595605 title "Fast and reliable space leaping for interactive volume rendering" @default.
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- W1984595605 doi "https://doi.org/10.5555/602099.602129" @default.
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