@InProceedings{PintoFrei:2010:ImCoIl,
author = "Pinto, Francisco de Moura and Freitas, Carla Maria Dal Sasso",
affiliation = "{UFRGS - Federal University of Rio Grande do Sul - Brazil} and
{UFRGS - Federal University of Rio Grande do Sul - Brazil}",
title = "Importance-Aware Composition for Illustrative Volume Rendering",
booktitle = "Proceedings...",
year = "2010",
editor = "Bellon, Olga and Esperan{\c{c}}a, Claudio",
organization = "Conference on Graphics, Patterns and Images, 23. (SIBGRAPI)",
publisher = "IEEE Computer Society",
address = "Los Alamitos",
keywords = "Direct volume rendering, importance, composition.",
abstract = "Non-photorealistic volume rendering, often referred as volume
illustration, augments typical visualization methods to
selectively emphasize or de-emphasize structures within a
volumetric dataset. Illustrative visualization techniques may
affect not only the rendering style of specific portions of the
dataset but also their visibility, ensuring that less important
regions do not occlude more important ones. Cutaway views
completely remove occluding, unimportant structures possibly also
removing valuable context information while current solutions for
smooth reduction of occlusion based on importance lack precise
visibility control, simplicity and generality. We introduce a new
front-to-back sample composition equation for direct volume
rendering that directly takes into account a measure of sample
importance. The proposed method allows smooth and precise
importance-based visibility control in single-pass volume
rendering, assuring visibility of important structures. We provide
a mathematical justification of our composition equation and
demonstrate its generality by presenting several illustrative
effects, which were obtained by using our composition method and a
set of importance measures calculated on the fly.",
conference-location = "Gramado, RS, Brazil",
conference-year = "30 Aug.-3 Sep. 2010",
doi = "10.1109/SIBGRAPI.2010.26",
url = "http://dx.doi.org/10.1109/SIBGRAPI.2010.26",
language = "en",
ibi = "8JMKD3MGPBW34M/3869PQP",
url = "http://urlib.net/ibi/8JMKD3MGPBW34M/3869PQP",
targetfile = "importance_composition.pdf",
urlaccessdate = "2024, Apr. 29"
}