Affiliation:
1. Computer Science Department, Faculty of Computer Science, University of A Coruña, A Coruña, Spain
2. CISUC, Department of Informatics Engineering, University of Coimbra, Coimbra, Portugal
Abstract
Humans’ perception of visual complexity is often regarded as one of the key principles of aesthetic order, and is intimately related to the physiological, neurological and, possibly, psychological characteristics of the human mind. For these reasons, creating accurate computational models of visual complexity is a demanding task. Building upon on previous work in the field (Forsythe et al., 2011; Machado et al., 2015) we explore the use of Machine Learning techniques to create computational models of visual complexity. For that purpose, we use a dataset composed of 800 visual stimuli divided into five categories, describing each stimulus by 329 features based on edge detection, compression error and Zipf’s law. In an initial stage, a comparative analysis of representative state-of-the-art Machine Learning approaches is performed. Subsequently, we conduct an exhaustive outlier analysis. We analyze the impact of removing the extreme outliers, concluding that Feature Selection Multiple Kernel Learning obtains the best results, yielding an average correlation to humans’ perception of complexity of 0.71 with only twenty-two features. These results outperform the current state-of-the-art, showing the potential of this technique for regression.
Funder
General Directorate of Culture, Education and University Management of Xunta de Galicia
The European Fund for Regional Development (FEDER) allocated by the European Union
The Portuguese Foundation for Science and Technology for the development of project SBIRC
Xunta de Galicia
Spanish Ministry for Science and Technology
The Juan de la Cierva fellowship program by the Spanish Ministry of Economy and Competitiveness
Subject
General Agricultural and Biological Sciences,General Biochemistry, Genetics and Molecular Biology,General Medicine,General Neuroscience
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