Describing shapes by geometrical-topological properties of real functions

S Biasotti, L De Floriani, B Falcidieno… - ACM Computing …, 2008 - dl.acm.org
Differential topology, and specifically Morse theory, provide a suitable setting for formalizing
and solving several problems related to shape analysis. The fundamental idea behind …

Combining in-situ and in-transit processing to enable extreme-scale scientific analysis

JC Bennett, H Abbasi, PT Bremer… - SC'12: Proceedings …, 2012 - ieeexplore.ieee.org
With the onset of extreme-scale computing, I/O constraints make it increasingly difficult for
scientists to save a sufficient amount of raw simulation data to persistent storage. One …

A practical approach to Morse-Smale complex computation: Scalability and generality

A Gyulassy, PT Bremer, B Hamann… - IEEE Transactions on …, 2008 - ieeexplore.ieee.org
The Morse-Smale (MS) complex has proven to be a useful tool in extracting and visualizing
features from scalar-valued data. However, efficient computation of the MS complex for large …

Urban pulse: Capturing the rhythm of cities

F Miranda, H Doraiswamy, M Lage… - IEEE transactions on …, 2016 - ieeexplore.ieee.org
Cities are inherently dynamic. Interesting patterns of behavior typically manifest at several
key areas of a city over multiple temporal resolutions. Studying these patterns can greatly …

Characterizing molecular interactions in chemical systems

D Günther, RA Boto, J Contreras-Garcia… - IEEE transactions on …, 2014 - ieeexplore.ieee.org
Interactions between atoms have a major influence on the chemical properties of molecular
systems. While covalent interactions impose the structural integrity of molecules …

Turbulence effects on cellular burning structures in lean premixed hydrogen flames

M Day, J Bell, PT Bremer, V Pascucci, V Beckner… - Combustion and …, 2009 - Elsevier
We present numerical simulations of lean hydrogen flames interacting with turbulence. The
simulations are performed in an idealized setting using an adaptive low Mach number …

Morse complexes for shape segmentation and homological analysis: discrete models and algorithms

L De Floriani, U Fugacci, F Iuricich… - Computer graphics …, 2015 - Wiley Online Library
Morse theory offers a natural and mathematically‐sound tool for shape analysis and
understanding. It allows studying the behavior of a scalar function defined on a manifold …

Computing robustness and persistence for images

P Bendich, H Edelsbrunner… - IEEE transactions on …, 2010 - ieeexplore.ieee.org
We are interested in 3-dimensional images given as arrays of voxels with intensity values.
Extending these values to acontinuous function, we study the robustness of homology …

Topologically clean distance fields

A Gyulassy, M Duchaineau, V Natarajan… - … on Visualization and …, 2007 - ieeexplore.ieee.org
Analysis of the results obtained from material simulations is important in the physical
sciences. Our research was motivated by the need to investigate the properties of a …

Parallel computation of 2D Morse-Smale complexes

N Shivashankar, M Senthilnathan… - IEEE Transactions on …, 2011 - ieeexplore.ieee.org
The Morse-Smale complex is a useful topological data structure for the analysis and
visualization of scalar data. This paper describes an algorithm that processes all mesh …