{"type":"ScholarlyArticle","title":"From Pixels to Metal: AI-Empowered Numismatic Art","authors":[{"name":"Penousal Machado","slug":"penousal-machado","given":"Penousal","family":"Machado","affiliation":"University of Coimbra , CISUC/LASI , DEI , Coimbra , Portugal"},{"name":"Tiago Martins","slug":"tiago-martins","given":"Tiago","family":"Martins","affiliation":"University of Coimbra , CISUC/LASI , DEI , Coimbra , Portugal"},{"name":"João Correia","slug":"joao-correia","given":"João","family":"Correia","affiliation":"University of Coimbra , CISUC/LASI , DEI , Coimbra , Portugal"},{"name":"Luís Espírito Santo","slug":"luis-espirito-santo","given":"Luís","family":"Espírito Santo","affiliation":"University of Coimbra , CISUC/LASI , DEI , Coimbra , Portugal; Vrije Universiteit Brussel , Brussels , Belgium"},{"name":"Nuno Lourenço","slug":"nuno-lourenco","given":"Nuno","family":"Lourenço","affiliation":""},{"name":"João Cunha","slug":"joao-cunha","given":"João","family":"Cunha","affiliation":"University of Coimbra , CISUC/LASI , DEI , Coimbra , Portugal"},{"name":"Sérgio Rebelo","slug":"sergio-rebelo","given":"Sérgio","family":"Rebelo","affiliation":"University of Coimbra , CISUC/LASI , DEI , Coimbra , Portugal"},{"name":"Pedro Martins","slug":"pedro-martins","given":"Pedro","family":"Martins","affiliation":"University of Coimbra , CISUC/LASI , DEI , Coimbra , Portugal"},{"name":"João Bicker","slug":"joao-bicker","given":"João","family":"Bicker","affiliation":"University of Coimbra , CISUC/LASI , DEI , Coimbra , Portugal"}],"abstract":"This paper describes our response to a unique challenge presented by the Portuguese National Press-Mint: to use Artificial Intelligence to design a commemorative coin that celebrates the \"digital world\". We explain the process of this coin's co-creation, from conceptualisation to production, highlighting the design process, the underlying rationale, key obstacles encountered, and the technical innovations and developments made to meet the challenge. These include the development of an evolutionary art system guided by Contrastive Language–Image Pre-training (CLIP) and Machine Learning-based aesthetic models, a system for prompt evolution, and a representation for encoding genotypes in mintable format. This collaboration produced a limited edition 10 euro silver proof coin, with a total of 4000 units minted by the National Press-Mint. The coin was met with enthusiasm, selling out within two months. This work contributes to Computational Creativity, particularly co-creativity, co-design, and digital art, and represents a significant step in using Artificial Intelligence for Numismatics.","doi":"10.24963/ijcai.2024/854","url":"https://ijcai.org/proceedings/2024/854","pdf":"https://ijcai.org/proceedings/2024/0854.pdf","markdown":"https://ijcai.org/proceedings/2024/854.md","bibtex":"https://ijcai.org/proceedings/2024/bibtex/854","volume":{"slug":"2024","title":"Proceedings of the Thirty-Third International Joint Conference on Artificial Intelligence","short_title":"IJCAI 2024","url":"https://ijcai.org/proceedings/2024/","year":2024,"location":"Jeju, Korea","dates":"3-9 August 2024","editors":"Kate Larson","isbn":"978-1-956792-04-1","publisher":"International Joint Conferences on Artificial Intelligence Organization","doi_prefix":"10.24963/ijcai.2024"},"section":"AI, Arts & Creativity","track":"AI, Arts & Creativity","number":854,"pages":{"first":7717,"last":7725},"keywords":["Application domains: Images, movies and visual arts","Methods and resources: Evolutionary algorithms","Theory and philosophy of arts and creativity in AI systems: Autonomous creative or artistic AI"],"videos":[],"references":[{"position":1,"raw":"[Anwar et al., 2021] Hafeez Anwar, Saeed Anwar, Sebastian Zambanini, and Fatih Porikli. 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