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- W2148568315 abstract "We propose a family of kernels between images, defined as kernels between their respective segmentation graphs. The kernels are based on soft matching of subtree-patterns of the respective graphs, leveraging the natural structure of images while remaining robust to the associated segmentation process uncertainty. Indeed, output from morphological segmentation is often represented by a labelled graph, each vertex corresponding to a segmented region, with edges joining neighboring regions. However, such image representations have mostly remained underused for learning tasks, partly because of the observed instability of the segmentation process and the inherent hardness of inexact graph matching with uncertain graphs. Our kernels count common virtual substructures amongst images, which enables to perform efficient supervised classification of natural images with a support vector machine. Moreover, the kernel machinery allows us to take advantage of recent advances in kernel-based learning: i) semi-supervised learning reduces the required number of labelled images, while ii) multiple kernel learning algorithms efficiently select the most relevant similarity measures between images within our family." @default.
- W2148568315 created "2016-06-24" @default.
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- W2148568315 date "2007-01-01" @default.
- W2148568315 modified "2023-10-03" @default.
- W2148568315 title "Classification d'images à l'aide de noyaux sur graphes de segmentation" @default.
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