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Communication Dans Un Congrès Année : 2024

Nonlinear Representation Theory of Equivariant CNNs on Homogeneous Spaces Using Group Morphology

Résumé

This paper deals with a nonlinear theory of equivariant convolutional neural networks (CNNs) on homogenous spaces under the action of a group. Many groups of image transforms fit this framework. The purpose of our work is to have a universal equivariant representation of nonlinear maps between image features which is based on mathematical morphology operators for groups. In particular, we combine some powerful results of universal representation of nonlinear mappings with the equivariance properties of morphological group operators. The approach considered here is significantly different from other theories of representation of equivariant CNNs. On the one hand, it is founded on results from lattice theory and other hand, it deals with the universal representation of nonlinear maps, which can involve in a unified framework (linear) convolutions, activation functions and other nonlinear layers.
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Dates et versions

hal-04560831 , version 1 (26-04-2024)

Identifiants

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Jesus Angulo. Nonlinear Representation Theory of Equivariant CNNs on Homogeneous Spaces Using Group Morphology. Brunetti, S., Frosini, A., Rinaldi, S. (eds) Discrete Geometry and Mathematical Morphology. DGMM 2024. Lecture Notes in Computer Science, vol 14605, Apr 2024, Florence (IT), France. pp.255-267, ⟨10.1007/978-3-031-57793-2_20⟩. ⟨hal-04560831⟩
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