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- W4383428387 abstract "Semantic segmentation of high-resolution aerial images is a challenging task on account of complex scene-variation and large scale-difference. However, these two issues are inadequately addressed in general semantic segmentation methods. In this paper, we propose a Multi-scale Prototype Contrast Network (MPCNet) to improve the adaptive capability for different scenes and scales. Specifically, a novel multi-scale prototype transformer decoder (MPTD) is designed to extract dynamic scene-specific prototypes as pixel classifier by fusing information of feature maps and learnable class tokens. To exploit cross-scene context information and accommodate the large scale-difference in aerial image, we build a multi-scale prototype memory queue to store these multi-scale prototypes during training. Upon the multi-scale prototype memory queue, a novel multi-scale prototype contrastive loss is proposed to increase object feature discriminability across multiple scale, which brings better consistency of intermediate feature and boosts the convergence of network. Extensive experimental results on three publicly available datasets demonstrate the effectiveness and efficiency of our MPCNet over other state-of-the-art methods. The code is available at https://github.com/qixiong-wang/mmsegmentation-mpcnet." @default.
- W4383428387 created "2023-07-07" @default.
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- W4383428387 date "2023-01-01" @default.
- W4383428387 modified "2023-09-24" @default.
- W4383428387 title "Multi-scale Prototype Contrast Network for High-Resolution Aerial Imagery Semantic Segmentation" @default.
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- W4383428387 doi "https://doi.org/10.1109/tgrs.2023.3292919" @default.
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