Image classification based on quaternion-valued capsule network

H Zhou, C Zhang, X Zhang, Q Ma - Applied Intelligence, 2023 - Springer
In this paper, a novel quaternion-valued (QV) capsule module is designed to construct QV
capsule networks for image classification. The quaternion algebra is introduced into the …

Quaternion Convolutional Neural Networks: Current Advances and Future Directions

G Altamirano-Gomez, C Gershenson - Advances in Applied Clifford …, 2024 - Springer
Since their first applications, Convolutional Neural Networks (CNNs) have solved problems
that have advanced the state-of-the-art in several domains. CNNs represent information …

Rotation invariance and equivariance in 3D deep learning: a survey

J Fei, Z Deng - Artificial Intelligence Review, 2024 - Springer
Deep neural networks (DNNs) in 3D scenes show a strong capability of extracting high-level
semantic features and significantly promote research in the 3D field. 3D shapes and scenes …