A computer art assessment system for the evaluation of space usage in drawings with application to the analysis of its relationship to level of dementia

초록

Space usage in drawings is an important element that provides useful information about the drawer's level of energy and psychological status. In this paper, we delineate the development of a computer system to objectively and quantitatively evaluate the space usage using regression models and computer analysis. We formulate regression models whose dependent variables are the grades and the ranks of space usages. We emphasize the contribution of the area of the painted convex hull in explaining the grades and ranks, which we propose as an independent variable. All possible independent variables including the area of painted regions and the number of colors used are evaluated by the computer algorithms developed in this study. We measure the validity of the system for evaluating grades and ranks. As an application to a real case, the system has been used to investigate the relationship between the space usage and the level of dementia. (C) 2012 Elsevier Ltd. All rights reserved.

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