Ellis, G. and Dix, Alan (2006) Enabling Automatic Clutter Reduction in Parallel Coordinate Plots. IEEE Transactions on Visualization and Computer Graphics. ISSN 1941-0506
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We have previously shown that random sampling is an effective clutter reduction technique and that a sampling lens can facilitate focus+context viewing of particular regions. This demands an efficient method of estimating the overlap or occlusion of large numbers of intersecting lines in order to automatically adjust the sampling rate within the lens. This paper proposes several ways for measuring occlusion in parallel coordinate plots. An empirical study into the accuracy and efficiency of the occlusion measures show that a probabilistic approach combined with a ‘binning’ technique is very fast and yet approaches the accuracy of the more expensive ‘true’ complete measurement.
|Journal or Publication Title:||IEEE Transactions on Visualization and Computer Graphics|
|Uncontrolled Keywords:||Sampling ; random sampling ; lens ; clutter ; occlusion ; density reduction ; overplotting ; information visualisation ; parallel coordinates. cs_eprint_id ; 1302 cs_uid ; 1|
|Subjects:||Q Science > QA Mathematics > QA75 Electronic computers. Computer science|
|Departments:||Faculty of Science and Technology > School of Computing & Communications|
|Deposited On:||19 Jun 2008 11:50|
|Last Modified:||23 Jan 2017 01:08|
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