Nonlinear multidimensional scaling and visualization of earthquake clusters over space, time and feature space

W Dzwinel, DA Yuen, K Boryczko… - Nonlinear Processes …, 2005 - npg.copernicus.org
We present a novel technique based on a multi-resolutional clustering and nonlinear multi-
dimensional scaling of earthquake patterns to investigate observed and synthetic seismic …

Enhanced semi-supervised local Fisher discriminant analysis for face recognition

H Huang, J Li, J Liu - Future Generation Computer Systems, 2012 - Elsevier
An improved manifold learning method, called enhanced semi-supervised local Fisher
discriminant analysis (ESELF), for face recognition is proposed. Motivated by the fact that …

ivga: A fast force-directed method for interactive visualization of complex networks

W Dzwinel, R Wcisło, W Czech - Journal of Computational Science, 2017 - Elsevier
Complex networks play a very important role in various fields of science as data structures,
which aggregate information about mutual relationships between numerous objects. The …

Multi-resolution clustering analysis and 3-D visualization of multitudinous synthetic earthquakes

W Dzwinel, D Yuen, Y Kaneko, K Boryczko… - Visual …, 2003 - Springer
We use modern and novel techniques to study the problems associated with detection and
analysis of multitudinous seismic events, which form the background for isolated great …

Visual exploration of data by using multidimensional scaling on multicore CPU, GPU, and MPI cluster

P Pawliczek, W Dzwinel… - … and Computation: Practice …, 2014 - Wiley Online Library
Visual and interactive data exploration requires fast and reliable tools for embedding of an
original data space in 3 (2)‐dimensional Euclidean space. Multidimensional scaling (MDS) …

[PDF][PDF] Cluster analysis, data-mining, multi-dimensional visualization of earthquakes over space, time and feature space

W Dzwinel, DA Yuen, K Boryczko… - Nonlinear Processes …, 2005 - academia.edu
A novel technique based on cluster analysis of the multi-resolutional structure of earthquake
patterns is developed and applied to observed and synthetic seismic catalogs. The …

Exploring complex networks with graph investigator research application

W Czech, W Dzwinel, S Goryczka, T Arodz… - Computing and …, 2011 - cai.sk
Abstract This paper describes Graph Investigator, the application intended for analysis of
complex networks. A rich set of application functions is briefly described including graph …

Improving the energy efficiency of SMACOF for multidimensional scaling on modern architectures

F Orts, E Filatovas, G Ortega, O Kurasova… - The Journal of …, 2019 - Springer
The reduction of the dimensionality is of great interest in the context of big data processing.
Multidimensional scaling methods (MDS) are techniques for dimensionality reduction, where …

A simulated annealing feature extraction approach for hyperspectral images

YL Chang - Future Generation Computer Systems, 2011 - Elsevier
In this paper, a novel study of the simulated annealing feature extraction (SAFE) for high-
dimensional remote sensing images is proposed. The approach is based on the greedy …

Very fast interactive visualization of large sets of high-dimensional data

W Dzwinel, R Wcisło - Procedia Computer Science, 2015 - Elsevier
The embedding of high-dimensional data into 2D/3D space is the most popular way of data
visualization. Despite recent advances in develo** of very accurate dimensionality …