Title
Random Walks for Vector Field Denoising
Abstract
In recent years, several devices allow to directly measure real vector fields, leading to a better understanding of fundamental phenomena such as fluid simulation or brainwater movement. This turns vector field visualization and analysis important tools for many applications in engineering and in medicine. However, real data is generally corrupted by noise, puzzling the understanding provided by those tools.Those tools thus need a denoising step as preprocessing, although usual denoising removes discontinuities, which are fundamental for vector field analysis. This paper proposes a novel method for vector field denoising based on random walks which preserve those discontinuities. It works in a meshless setting; it is fast, simple to implement, and shows a better performance than the traditional gaussian denoising technique.
Year
DOI
Venue
2009
10.1109/SIBGRAPI.2009.13
SIBGRAPI
Keywords
Field
DocType
brain,data visualisation,image denoising,Gaussian denoising technique,brain water movement,discontinuity removal,fluid simulation,meshless setting,random walks,vector field denoising,vector field visualization,Denoising,Discrete Vector Field,Markov Chain,Random Walk
Noise reduction,Data visualization,Classification of discontinuities,Vector field,Random walk,Markov chain,Algorithm,Gaussian,Preprocessor,Artificial intelligence,Machine learning,Mathematics
Conference
ISSN
Citations 
PageRank 
1530-1834
1
0.36
References 
Authors
14
8
Name
Order
Citations
PageRank
Joao Paixao173.57
Marcos Lage2758.59
Fabiano Petronetto31038.52
Alex Laier Bordignon4302.76
Sinésio Pesco5447.20
Geovan Tavares633720.22
Thomas Lewiner770043.70
Hélio Lopes824821.84