Noise-Based Volume Rendering for the Visualization of MultivariateVolumetric Data 2013 (1) Rostislav Khlebnikov andBernhard Kainz andMarkus Steinberger andDieter Schmalstieg, Noise-Based Volume Rendering for the Visualization of MultivariateVolumetric Data, IEEE Trans. Vis. Comput. Graph., volume 19, pp.2926–2935, 2013