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- Title
3D model retrieval based on multi-view attentional convolutional neural network.
- Authors
Liu, An-An; Zhou, He-Yu; Li, Meng-Jie; Nie, Wei-Zhi
- Abstract
We propose a discriminative Multi-View Attentional Convolutional Neural Network, dubbed as MVA-CNN, which takes the multiple views of an shape as input and output the object category. Unlike previous view-based approaches that simply "compile" the view features into a compact 3D descriptors, our method can discover the context among multiple views in both the visual and spatial domain. First, we extract multiple rendered images from a 3D object by virtual cameras, and then we use Convolutional Neural Network (CNN) to abstract the information of the views. Second, we aggregate the visual views by two steps: 1). an element-wise maximum operation across the view features is adopted to discover discriminative features. 2). a soft attention mechanism is used to dynamically adjust the shape descriptors for better representing the spatial information. The entire network can be trained in an end-to-end way with the standard backpropagation. We verify the effectiveness of MVA-CNN on two widely used datasets: ModelNet10, ModelNet40 by comparing our method with state-of-the-art methods.
- Subjects
ARTIFICIAL neural networks
- Publication
Multimedia Tools & Applications, 2020, Vol 79, Issue 7/8, p4699
- ISSN
1380-7501
- Publication type
Article
- DOI
10.1007/s11042-019-7521-8