Journal
PATTERN RECOGNITION LETTERS
Volume 146, Issue -, Pages 179-184Publisher
ELSEVIER
DOI: 10.1016/j.patrec.2021.03.015
Keywords
Multi-spectral semantic segmentation; Convolutional neural network; Attention mechanism
Categories
Funding
- Tianjin Research Program of Application Foundation and Advanced Technology of China [17ZXRGGX00040]
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The proposed deep learning model, AFNet, utilizes attention mechanism to calculate spatial correlation between features from different spectra, improving the accuracy and visual definition of multi-spectral semantic segmentation.
To improve the accuracy of multi-spectral semantic segmentation, an attention fusion network (AFNet) based on deep learning is proposed. Different from current methods, the AFNet uses a co-attention mechanism by designing an attention fusion module to calculate the spatial correlation between the red-greenblue (RGB) image and infrared (IR) image feature maps to guide the fusion of features from different spectra. This approach enhances the feature presentation and makes full use of the complementary characteristics of multi-spectral sources. The proposed network is tested on RGB-IR datasets and compared with relevant state-of-the-art networks. The experimental analyses prove that the proposed AFNet can improve multi-spectral semantic segmentation results with good visual definition and high accuracy in classification and localization. (C) 2021 Elsevier B.V. All rights reserved.
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