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Compressing Unstructured Mesh Data Using Spline Fits, Compressed Sensing, and Regression Methods

Abstract: 

Compressing unstructured mesh data from computer simulations poses several challenges that are not encountered in the compression of images or videos. Since the spatial locations of the points are not on a regular grid, as in an image, it is difficult to identify near neighbors of a point whose values can be exploited for compression. In this paper, we investigate how three very different methods --- spline fits, compressed sensing, and kernel regression --- compare in terms of the reconstruction accuracy and reduction in data size when applied to a practical problem from a plasma physics simulation.

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Paper Details

Authors:
Chandrika Kamath, Ya Ju Fan
Submitted On:
3 December 2018 - 5:12pm
Short Link:
Type:
Poster
Event:
Presenter's Name:
Chandrika Kamath
Paper Code:
GS-P.6.1
Document Year:
2018
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Document Files

Kamath_ComparingCompression_final.pdf

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[1] Chandrika Kamath, Ya Ju Fan, "Compressing Unstructured Mesh Data Using Spline Fits, Compressed Sensing, and Regression Methods", IEEE SigPort, 2018. [Online]. Available: http://sigport.org/3839. Accessed: Dec. 16, 2018.
@article{3839-18,
url = {http://sigport.org/3839},
author = {Chandrika Kamath; Ya Ju Fan },
publisher = {IEEE SigPort},
title = {Compressing Unstructured Mesh Data Using Spline Fits, Compressed Sensing, and Regression Methods},
year = {2018} }
TY - EJOUR
T1 - Compressing Unstructured Mesh Data Using Spline Fits, Compressed Sensing, and Regression Methods
AU - Chandrika Kamath; Ya Ju Fan
PY - 2018
PB - IEEE SigPort
UR - http://sigport.org/3839
ER -
Chandrika Kamath, Ya Ju Fan. (2018). Compressing Unstructured Mesh Data Using Spline Fits, Compressed Sensing, and Regression Methods. IEEE SigPort. http://sigport.org/3839
Chandrika Kamath, Ya Ju Fan, 2018. Compressing Unstructured Mesh Data Using Spline Fits, Compressed Sensing, and Regression Methods. Available at: http://sigport.org/3839.
Chandrika Kamath, Ya Ju Fan. (2018). "Compressing Unstructured Mesh Data Using Spline Fits, Compressed Sensing, and Regression Methods." Web.
1. Chandrika Kamath, Ya Ju Fan. Compressing Unstructured Mesh Data Using Spline Fits, Compressed Sensing, and Regression Methods [Internet]. IEEE SigPort; 2018. Available from : http://sigport.org/3839