Beyond Interactive Evolution: Expressing Intentions Through Fitness Functions

Machado, Penousal; Martins, Tiago; Amaro, Hugo; Abreu, Pedro H.

doi:10.1162/LEON_a_01103

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June 01 2016

Beyond Interactive Evolution: Expressing Intentions Through Fitness Functions

Penousal Machado,

Penousal Machado

Penousal Machado (educator, researcher), CISUC, Department of Informatics Engineering, University of Coimbra, 3030 Coimbra, Portugal. Email: [email protected].

PENOUSAL MACHADO is a teacher at the University of Coimbra, the coordinator of the Cognitive and Media Systems group and the scientific director of the Computational Design and Visualization Lab. and of the Centre of Informatics and Systems of the University of Coimbra. His research interests include nature-inspired computation, artificial intelligence, computational creativity, computational art and design. He is the author of more than 100 refereed journal and conference papers in these areas, chair of several scientific events, and member of the Programme Committee of numerous conferences. He is also the recipient of scientific awards, including the prestigious award for Excellence and Merit in Artificial Intelligence granted by the Portuguese Association for Artificial Intelligence. Recently, his work was featured in Wired UK and included in the “Talk to me” exhibition of the New York Museum of Modern Art.

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Tiago Martins,

Tiago Martins

Tiago Martins (researcher), CISUC, Department of Informatics Engineering, University of Coimbra, 3030 Coimbra, Portugal. Email: [email protected].

TIAGO MARTINS is a cross-media designer by training who smoothly mutated into an algorist while interacting with computer scientists during his studies. He is particularly interested in the convergence of multiple disciplines such as graphic design, art and computation. He creates his own tools to develop experimental artifacts and design solutions through the exploration of the expressiveness of computational, parametric, generative and emergent processes. He is a researcher of the Computational Design and Visualization Lab. of the Centre of Informatics and Systems of the University of Coimbra, where he is enrolled in the Doctoral Program of Information Science and Technology, working on his thesis project “Author Tools in Design.”

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Hugo Amaro,

Hugo Amaro

Hugo Amaro (researcher), CISUC, Department of Informatics Engineering, University of Coimbra, 3030 Coimbra, Portugal. Email: [email protected].

HUGO AMARO is a researcher at the Computational Design and Visualization Lab. of the University of Coimbra, with previous work experience in multiple areas, including evolutionary computation, machine learning, classification, data analysis, web applications and databases. He is interested in evolutionary computation, artificial intelligence and computergenerated graphics.

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Pedro H. Abreu

Pedro H. Abreu (researcher), CISUC, Department of Informatics Engineering, University of Coimbra, 3030 Coimbra, Portugal. Email: [email protected].

PEDRO H. ABREU is an assistant professor at the Department of Informatics Engineering, University of Coimbra, Portugal. He received his Informatics Engineering Degree from the University of Porto in 2006 and a Ph.D. in Soccer Teams Modeling from the University of Porto in 2011. His interests include (but are not limited to) medical informatics and personal healthcare systems applied to oncological diseases. He is the author of more than 40 publications in international conferences and journals.

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Author and Article Information

Penousal Machado

Penousal Machado (educator, researcher), CISUC, Department of Informatics Engineering, University of Coimbra, 3030 Coimbra, Portugal. Email: [email protected].

PENOUSAL MACHADO is a teacher at the University of Coimbra, the coordinator of the Cognitive and Media Systems group and the scientific director of the Computational Design and Visualization Lab. and of the Centre of Informatics and Systems of the University of Coimbra. His research interests include nature-inspired computation, artificial intelligence, computational creativity, computational art and design. He is the author of more than 100 refereed journal and conference papers in these areas, chair of several scientific events, and member of the Programme Committee of numerous conferences. He is also the recipient of scientific awards, including the prestigious award for Excellence and Merit in Artificial Intelligence granted by the Portuguese Association for Artificial Intelligence. Recently, his work was featured in Wired UK and included in the “Talk to me” exhibition of the New York Museum of Modern Art.

Tiago Martins

Tiago Martins (researcher), CISUC, Department of Informatics Engineering, University of Coimbra, 3030 Coimbra, Portugal. Email: [email protected].

TIAGO MARTINS is a cross-media designer by training who smoothly mutated into an algorist while interacting with computer scientists during his studies. He is particularly interested in the convergence of multiple disciplines such as graphic design, art and computation. He creates his own tools to develop experimental artifacts and design solutions through the exploration of the expressiveness of computational, parametric, generative and emergent processes. He is a researcher of the Computational Design and Visualization Lab. of the Centre of Informatics and Systems of the University of Coimbra, where he is enrolled in the Doctoral Program of Information Science and Technology, working on his thesis project “Author Tools in Design.”

Hugo Amaro

Hugo Amaro (researcher), CISUC, Department of Informatics Engineering, University of Coimbra, 3030 Coimbra, Portugal. Email: [email protected].

HUGO AMARO is a researcher at the Computational Design and Visualization Lab. of the University of Coimbra, with previous work experience in multiple areas, including evolutionary computation, machine learning, classification, data analysis, web applications and databases. He is interested in evolutionary computation, artificial intelligence and computergenerated graphics.

Pedro H. Abreu

Pedro H. Abreu (researcher), CISUC, Department of Informatics Engineering, University of Coimbra, 3030 Coimbra, Portugal. Email: [email protected].

PEDRO H. ABREU is an assistant professor at the Department of Informatics Engineering, University of Coimbra, Portugal. He received his Informatics Engineering Degree from the University of Porto in 2006 and a Ph.D. in Soccer Teams Modeling from the University of Porto in 2011. His interests include (but are not limited to) medical informatics and personal healthcare systems applied to oncological diseases. He is the author of more than 40 publications in international conferences and journals.

Online ISSN: 1530-9282

Print ISSN: 0024-094X

Leonardo (2016) 49 (3): 251–256.

https://doi.org/10.1162/LEON_a_01103

ABSTRACT

Photogrowth is a creativity support tool for the creation of nonphotorealistic renderings of images. The authors discuss its evolution from a generative art application to an interactive evolutionary art tool and finally into a meta-level interactive art system in which users express their artistic intentions through the design of a fitness function. The authors explore the impact of these changes on the sense of authorship, highlighting the range of imagery that can be produced by the system.

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Beyond Interactive Evolution: Expressing Intentions Through Fitness Functions