A Multi-Stage Duplex Fusion ConvNet for Aerial Scene Classification

• URL: http://arxiv.org/abs/2203.16325v1
• Date: Tue, 29 Mar 2022 09:27:53 GMT
• Title: A Multi-Stage Duplex Fusion ConvNet for Aerial Scene Classification
• Authors: Jingjun Yi and Beichen Zhou
• Abstract summary: We develop ConvNet named multi-stage duplex fusion network (MSDF-Net) MSDF-Net consists of multi-stage structures with DFblock. Experiments are conducted on three widely-used aerial scene classification benchmarks.
• Score: 4.061135251278187
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Existing deep learning based methods effectively prompt the performance of aerial scene classification. However, due to the large amount of parameters and computational cost, it is rather difficult to apply these methods to multiple real-time remote sensing applications such as on-board data preception on drones and satellites. In this paper, we address this task by developing a light-weight ConvNet named multi-stage duplex fusion network (MSDF-Net). The key idea is to use parameters as little as possible while obtaining as strong as possible scene representation capability. To this end, a residual-dense duplex fusion strategy is developed to enhance the feature propagation while re-using parameters as much as possible, and is realized by our duplex fusion block (DFblock). Specifically, our MSDF-Net consists of multi-stage structures with DFblock. Moreover, duplex semantic aggregation (DSA) module is developed to mine the remote sensing scene information from extracted convolutional features, which also contains two parallel branches for semantic description. Extensive experiments are conducted on three widely-used aerial scene classification benchmarks, and reflect that our MSDF-Net can achieve a competitive performance against the recent state-of-art while reducing up to 80% parameter numbers. Particularly, an accuracy of 92.96% is achieved on AID with only 0.49M parameters.

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