Compression of Vector Field Changing in Time

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Authors	GOLEMBIOVSKÝ Tomáš KŘENEK Aleš
Year of publication	2011
Type	Article in Proceedings
Conference	Sixth Doctoral Workshop on Mathematical and Engineering Methods in Computer Science
MU Faculty or unit	Institute of Computer Science
Citation
Web	http://drops.dagstuhl.de/portals/oasics/index.php?semnr=11002
Field	Informatics
Keywords	haptics; molecular docking; lossy compression
Description	One of the problems connected with a real-time protein-ligand docking simulation is the need to store series of precomputed electrostatic force fields of a molecule changing in time. A single frame of the force field is a 3D array of floating point vectors and it constitutes approximately 180 MB of data. Therefore requirements on storage grow rapidly if several hundreds of such frames need to be stored. We propose a lossy compression method of such force field, based on audio and video coding, and we evaluate its properties and performance.
Related projects:	Highly Parallel and Distributed Computing Systems