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Four‐Dimensional Geometry Lens: A Novel Volumetric Magnification Approach
(The Eurographics Association and Blackwell Publishing Ltd., 2013)
We present a novel methodology that utilizes four-dimensional (4D) space deformation to simulate a magnification lens on versatile volume datasets and textured solid models. Compared with other magnification methods (e.g. ...
Spherical Fibonacci Point Sets for Illumination Integrals
(The Eurographics Association and Blackwell Publishing Ltd., 2013)
Quasi-Monte Carlo (QMC) methods exhibit a faster convergence rate than that of classic Monte Carlo methods. This feature has made QMC prevalent in image synthesis, where it is frequently used for approximating the value ...
Sketch-Based Editing Tools for Tumour Segmentation in 3D Medical Images
(The Eurographics Association and Blackwell Publishing Ltd., 2013)
In the past years sophisticated automatic segmentation algorithms for various medical image segmentation problems have been developed. However, there are always cases where automatic algorithms fail to provide an acceptable ...
Multiple Light Source Estimation in a Single Image
(The Eurographics Association and Blackwell Publishing Ltd., 2013)
Many high‐level image processing tasks require an estimate of the positions, directions and relative intensities of the light sources that illuminated the depicted scene. In image‐based rendering, augmented reality and ...
Visual Analysis of Multi‐Dimensional Categorical Data Sets
(The Eurographics Association and Blackwell Publishing Ltd., 2013)
We present a set of interactive techniques for the visual analysis of multi‐dimensional categorical data. Our approach is based on multiple correspondence analysis (MCA), which allows one to analyse relationships, patterns, ...
Atomistic Visualization of Mesoscopic Whole-Cell Simulations Using Ray-Casted Instancing
(The Eurographics Association and Blackwell Publishing Ltd., 2013)
Molecular visualization is an important tool for analysing the results of biochemical simulations. With modern GPU ray casting approaches, it is only possible to render several million of atoms interactively unless advanced ...
Modelling Bending Behaviour in Cloth Simulation Using Hysteresis
(The Eurographics Association and Blackwell Publishing Ltd., 2013)
Real cloth exhibits bending effects, such as residual curvatures and permanent wrinkles. These are typically explained by bending plastic deformation due to internal friction in the fibre and yarn structure. Internal ...
Fast Shadow Removal Using Adaptive Multi‐Scale Illumination Transfer
(The Eurographics Association and Blackwell Publishing Ltd., 2013)
In this paper, we present a new method for removing shadows from images. First, shadows are detected by interactive brushing assisted with a Gaussian Mixture Model. Secondly, the detected shadows are removed using an ...
SCALe-invariant Integral Surfaces
(The Eurographics Association and Blackwell Publishing Ltd., 2013)
Extraction of skeletons from solid shapes has attracted quite a lot of attention, but less attention was paid so far to the reverse operation: generating smooth surfaces from skeletons and local radius information. Convolution ...
Sketch-to-Design: Context-Based Part Assembly
(The Eurographics Association and Blackwell Publishing Ltd., 2013)
Designing 3D objects from scratch is difficult, especially when the user intent is fuzzy and lacks a clear target form. We facilitate design by providing reference and inspiration from existing model contexts. We rethink ...