
Material classification is similar to texture classification and consists in predicting the material class of a surface in a color image, such as wood, metal, water, wool, or ceramic. It is very challenging because of the intra-class variability. Indeed, the visual appearance of a material is very sensitive to the acquisition conditions such as viewpoint or lighting conditions. Recent studies show that deep convolutional neural networks (CNNs) clearly outperform hand-crafted features in this context but suffer from a lack of data for training the models. In this paper, we propose two contributions to cope with this problem. First, we provide a new material dataset with a large range of acquisition conditions so that CNNs trained on these data can provide features that can adapt to the diverse appearances of the material samples encountered in real-world. Second, we leverage recent advances in multi-view learning methods to propose an original architecture designed to extract and combine features from several views of a single sample. We show that such multi-view CNNs significantly improve the performance of the classical alternatives for material classification.
material dataset, Computer applications to medicine. Medical informatics, R858-859.7, QA75.5-76.95, multi-view learning, Article, 620, [INFO.INFO-TI]Computer Science [cs]/Image Processing [eess.IV], Electronic computers. Computer science, Photography, visual appearance, TR1-1050, material classification, texture analysis
material dataset, Computer applications to medicine. Medical informatics, R858-859.7, QA75.5-76.95, multi-view learning, Article, 620, [INFO.INFO-TI]Computer Science [cs]/Image Processing [eess.IV], Electronic computers. Computer science, Photography, visual appearance, TR1-1050, material classification, texture analysis
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