Nicolas Gonthier, Yann Gousseau, Saïd Ladjal and Olivier Bonfait

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Abstract

We propose a method for the weakly supervised detection of objects in paintings. At training time, only image-level annotations are needed. This, combined with the efficiency of our multiple-instance learning method, enables one to learn new classes on-the-fly from globally annotated databases, avoiding the tedious task of manually marking objects. We show on several databases that dropping the instance-level annotations only yields mild performance losses. We also introduce a new database, IconArt, on which we perform detection experiments on classes that could not be learned on photographs, such as Jesus Child or Saint Sebastian. To the best of our knowledge, these are the first experiments dealing with the automatic (and in our case weakly supervised) detection of iconographic elements in paintings. We believe that such a method is of great benefit for helping art historians to explore large digital databases.

Keywords

• Deep learning
• Art analysis
• Weakly Supervised Object Detection

Recommended citation: Gonthier, N., Gousseau Y., Ladjal S. and Bonfait O. (2018). “Weakly Supervised Object Detection in Artworks” Workshop on Computer Vision for Art Analysis ECCV.