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Alternative visual metaphors for layouts from multidimensional projections

Grant number: 11/14165-6
Support Opportunities:Scholarships in Brazil - Master
Effective date (Start): March 01, 2012
Effective date (End): February 28, 2013
Field of knowledge:Physical Sciences and Mathematics - Computer Science - Computing Methodologies and Techniques
Principal Investigator:Maria Cristina Ferreira de Oliveira
Grantee:Aurea Rossy Soriano Vargas
Host Institution: Instituto de Ciências Matemáticas e de Computação (ICMC). Universidade de São Paulo (USP). São Carlos , SP, Brazil


Layouts obtained with multidimensional projection techniques provide the basis for different visualization metaphors applicable to several data types. The problem of creating a visual embedding from the layout that favours user interaction has been relatively little explored.Typical visual embeddings are point clouds arranged in the two-dimensional space, in which circles or dots represent an instance; or alternatively 2D graphs with vertices representing data instances and edges representing neighborhood relationships amongst them. The goal of this master's project is to investigate alternative metaphorsfor viewing projection layouts. We seek a interactive representations capable of providing a smooth transition across different levels of detail, departing from an overview representation of data groups until reaching relevant information at a local level, and capable of revealing meaningful relationships within subgroups of interest.

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Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
VARGAS, Aurea Rossy Soriano. Alternative visual metaphors for layouts generated by multidimensional projections: a case study in visualization of music. 2013. Master's Dissertation - Universidade de São Paulo (USP). Instituto de Ciências Matemáticas e de Computação (ICMC/SB) São Carlos.

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