Saliency-guided enhancement for volume visualization

被引:65
|
作者
Kim, Youngmin [1 ]
Varshney, Amitabh [1 ]
机构
[1] Univ Maryland, College Pk, MD 20742 USA
关键词
saliency; visual attention; perceptual enhancement; volume rendering; non-photorealistic rendering;
D O I
10.1109/TVCG.2006.174
中图分类号
TP31 [计算机软件];
学科分类号
081202 ; 0835 ;
摘要
Recent research in visual saliency has established a computational measure of perceptual importance. In this paper we present a visual-saliency-based operator to enhance selected regions of a volume. We show how we use such an operator on a user-specified saliency field to compute an emphasis field. We further discuss how the emphasis field can be integrated into the visualization pipeline through its modifications of regional luminance and chrominance. Finally, we validate our work using an eye-tracking-based user study and show that our new saliency enhancement operator is more effective at eliciting viewer attention than the traditional Gaussian enhancement operator.
引用
收藏
页码:925 / 932
页数:8
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