Utilize este identificador para referenciar este registo: https://hdl.handle.net/10316/107208
Título: Visual complexity modelling based on image features fusion of multiple kernels
Autor: Fernandez-Lozano, Carlos
Carballal, Adrian
Machado, Penousal 
Santos, Antonino 
Romero, Juan 
Palavras-chave: Correlation; Machine learning; Zipf's law; Compression error; Visual stimuli; Visual complexity
Data: 2019
Editora: PeerJ
Projeto: This work is supported by the General Directorate of Culture, Education and University Management of Xunta de Galicia (Ref. GRC2014/049) and 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 (Ref. PTDC/EIA EIA/115667/2009), Xunta de Galicia (Ref. XUGA-PGIDIT-10TIC105008-PR) and the Spanish Ministry for Science and Technology (Ref. TIN2008-06562/TIN) and the Juan de la Cierva fellowship program by the Spanish Ministry of Economy and Competitiveness (Carlos Fernandez-Lozano, Ref. FJCI-2015-26071). NVIDIA Corporation donated the Titan Xp GPU used for this research. 
Título da revista, periódico, livro ou evento: PeerJ
Volume: 7
Resumo: 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.
URI: https://hdl.handle.net/10316/107208
ISSN: 2167-8359
DOI: 10.7717/peerj.7075
Direitos: openAccess
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