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|a 10.1109/TVCG.2023.3263856
|2 doi
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|a eng
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| 100 |
1 |
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|a Kumar, Ayush
|e verfasserin
|4 aut
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| 245 |
1 |
0 |
|a RadVolViz
|b An Information Display-Inspired Transfer Function Editor for Multivariate Volume Visualization
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|c 2024
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|a Text
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|a Date Revised 01.07.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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| 520 |
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|a In volume visualization transfer functions are widely used for mapping voxel properties to color and opacity. Typically, volume density data are scalars which require simple 1D transfer functions to achieve this mapping. If the volume densities are vectors of three channels, one can straightforwardly map each channel to either red, green or blue, which requires a trivial extension of the 1D transfer function editor. We devise a new method that applies to volume data with more than three channels. These types of data often arise in scientific scanning applications, where the data are separated into spectral bands or chemical elements. Our method expands on prior work in which a multivariate information display, RadViz, was fused with a radial color map, in order to visualize multi-band 2D images. In this work, we extend this joint interface to blended volume rendering. The information display allows users to recognize the presence and value distribution of the multivariate voxels and the joint volume rendering display visualizes their spatial distribution. We design a set of operators and lenses that allow users to interactively control the mapping of the multivariate voxels to opacity and color. This enables users to isolate or emphasize volumetric structures with desired multivariate properties. Furthermore, it turns out that our method also enables more insightful displays even for RGB data. We demonstrate our method with three datasets obtained from spectral electron microscopy, high energy X-ray scanning, and atmospheric science
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| 650 |
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|a Journal Article
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| 700 |
1 |
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|a Zhang, Xinyu
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Xin, Huolin L
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yan, Hanfei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Huang, Xiaojing
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Xu, Wei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Mueller, Klaus
|e verfasserin
|4 aut
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| 773 |
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8 |
|i Enthalten in
|t IEEE transactions on visualization and computer graphics
|d 1996
|g 30(2024), 8 vom: 01. Juli, Seite 4464-4479
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|g volume:30
|g year:2024
|g number:8
|g day:01
|g month:07
|g pages:4464-4479
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|u http://dx.doi.org/10.1109/TVCG.2023.3263856
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