Title
Opacity optimization for 3D line fields
Abstract
For the visualization of dense line fields, the careful selection of lines to be rendered is a vital aspect. In this paper, we present a global line selection approach that is based on an optimization process. Starting with an initial set of lines that covers the domain, all lines are rendered with a varying opacity, which is subject to the minimization of a bounded-variable least-squares problem. The optimization strives to keep a balance between information presentation and occlusion avoidance. This way, we obtain view-dependent opacities of the line segments, allowing a real-time free navigation while minimizing the danger of missing important structures in the visualization. We compare our technique with existing local and greedy approaches and apply it to data sets in flow visualization, medical imaging, physics, and computer graphics.
Year
DOI
Venue
2013
10.1145/2461912.2461930
ACM Trans. Graph.
Keywords
Field
DocType
careful selection,opacity optimization,greedy approach,bounded-variable least-squares problem,global line selection approach,line segment,computer graphics,flow visualization,optimization process,dense line field,scientific visualization
Computer vision,Line segment,Data set,Computer graphics (images),Visualization,Computer science,Minification,Opacity,Artificial intelligence,Computer graphics,Flow visualization,Scientific visualization
Journal
Volume
Issue
ISSN
32
4
0730-0301
Citations 
PageRank 
References 
18
0.78
25
Authors
3
Name
Order
Citations
PageRank
Tobias Günther112317.58
Christian Rössl244933.65
Holger Theisel3147999.18