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4D volume rendering by differential splattingKlajnšek, Gregor ; Csébfalvi, BalázsIn this paper X-ray like volume rendering is adapted to time-varying data visualization. The proposed method can be interpreted as an object-order version of differential volume rendering. Time steps ... are encoded as a sequence of differential volumes which are then directly projected onto the image plane to calculate differential images between consecutive frames. The projection of differential volumes is performed by using the splatting method. Due to the simplified visualization model and the object-order approach, those pixels which are affected by the changed voxels can be directly refreshed, without resampling the volume by ray casting. However, compositing is limited to intensity integration. In order to improve spatial impression, differential splatting is extended to depth cueing and hemisperical shading.Source: ITI 2003 : proceedings of the 25th International Conference on Information Technology Interfaces, June 16-19, 2003, Cavtat, Croatia (Str. 651-656)Type of material - conference contributionPublish date - 2003Language - englishCOBISS.SI-ID - 7992342
Author
Klajnšek, Gregor |
Csébfalvi, Balázs
Topics
4D podatki |
časovno spremenljivi podatki |
prikazovanje prostorskih podatkov |
diferencialno senčenje prostorskih podatkov |
senčenje prostorskih podatkov z X-žarki |
projiciranje |
diferencialno projiciranje |
4D data |
time-varying data |
volume visualisation |
differential volume rendering |
X-ray volume rendering |
splatting |
differential splatting
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Klajnšek, Gregor | 22438 |
Csébfalvi, Balázs | ![]() |
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