Using Artificial Intelligence to Analyze Non-Human Drawings: A First Step with Orangutan Productions - Archive ouverte HAL
Journal Articles Animals Year : 2022

Using Artificial Intelligence to Analyze Non-Human Drawings: A First Step with Orangutan Productions

Abstract

Drawings have been widely used as a window to the mind; as such, they can reveal some aspects of the cognitive and emotional worlds of other animals that can produce them. The study of non-human drawings, however, is limited by human perception, which can bias the methodology and interpretation of the results. Artificial intelligence can circumvent this issue by allowing automated, objective selection of features used to analyze drawings. In this study, we use artificial intelligence to investigate seasonal variations in drawings made by Molly, a female orangutan who produced more than 1299 drawings between 2006 and 2011 at the Tama Zoological Park in Japan. We train the VGG19 model to first classify the drawings according to the season in which they are produced. The results show that deep learning is able to identify subtle but significant seasonal variations in Molly’s drawings, with a classification accuracy of 41.6%. We use VGG19 to investigate the features that influence this seasonal variation. We analyze separate features, both simple and complex, related to color and patterning, and to drawing content and style. Content and style classification show maximum performance for moderately complex, highly complex, and holistic features, respectively. We also show that both color and patterning drive seasonal variation, with the latter being more important than the former. This study demonstrates how deep learning can be used to objectively analyze non-figurative drawings and calls for applications to non-primate species and scribbles made by human toddlers.
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Dates and versions

hal-03831441 , version 1 (26-10-2022)

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Benjamin Beltzung, Marie Pelé, Julien Renoult, Masaki Shimada, Cédric Sueur. Using Artificial Intelligence to Analyze Non-Human Drawings: A First Step with Orangutan Productions. Animals, 2022, 12 (20), pp.2761. ⟨10.3390/ani12202761⟩. ⟨hal-03831441⟩
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