Stars advantages vs parallel coordinates: shape perception as visualization reserve

Vladimir Grishin; Boris Kovalerchuk

doi:10.1117/12.2040715

3 February 2014 Stars advantages vs parallel coordinates: shape perception as visualization reserve

Vladimir Grishin, Boris Kovalerchuk

Author Affiliations +

Proceedings Volume 9017, Visualization and Data Analysis 2014; 90170Q (2014) https://doi.org/10.1117/12.2040715
Event: IS&T/SPIE Electronic Imaging, 2014, San Francisco, California, United States

Abstract

Although shape perception is the main information channel for brain, it has been poor used by recent visualization techniques. The difficulties of its modeling are key obstacles for visualization theory and application. Known experimental estimates of shape perception capabilities have been made for low data dimension, and they were usually not connected with data structures. More applied approach for certain data structures detection by means of shape displays are considered by the example of analytical and experimental comparison of popular now Parallel Coordinates (PCs), i.e. 2D Cartesian displays of data vectors, with polar displays known as stars. Advantages of stars vs. PCs by Gestalt Laws are shown. About twice faster feature selection and classification with stars than PCs are showed by psychological experiments for hyper-tubes structures detection in data space with dimension up to 100-200 and its subspaces. This demonstrates great reserves of visualization enhancement in comparison with many recent techniques usually focused on few data attributes analysis.

Citation Download Citation

Vladimir Grishin, Vladimir Grishin, Boris Kovalerchuk, Boris Kovalerchuk, "Stars advantages vs parallel coordinates: shape perception as visualization reserve", Proc. SPIE 9017, Visualization and Data Analysis 2014, 90170Q (3 February 2014); doi: 10.1117/12.2040715; https://doi.org/10.1117/12.2040715

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