PREFAB-GEN : AD HOC IMAGE GENERATION FOR PRE-MANUFACTURING OF TIRES USING IMAGE-TO-IMAGE TRANSLATION
Guillaume Déau, Pascal Bourdon, Philippe Carré, Stéphane Merillou, Alexandre Dervillé, François Mourougaya
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In the pneumatic industry, quality control is an essential step in assessing tire compliance. Artificial neural networks are increasingly used to accomplish this task. Their training requires a large number of images of the controlled products. However, at the launch production of a new tire, the lack of images causes a performance loss for the network. To solve this problem, we propose to translate perfect tires computerbased images into ad hoc manufacturing context-realistic ones as pre-manufacturing step to improve robustness and ensure production quality. The challenging work is to extract features in real images and apply them to computer-based images while maintaining the original geometry. In the paper, we propose Prefab-GEN, a novel architecture based on Cycle-GAN. In the generator part, an Inception U-Net architectureis developed to enforce geometrical structure conversion and extract more detailed features. The qualitative and quantitative evaluation on tire dataset shows improvements comparedwith state-of-art.