期刊
IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II-EXPRESS BRIEFS
卷 70, 期 11, 页码 4266-4270出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TCSII.2023.3278941
关键词
Few-shot semantic segmentation; RGB-T FSS; difference elimination; cross-modal
Few-shot semantic segmentation (FSS) is the task of segmenting target regions of query images using a few labeled support samples. This study introduces thermal infrared images (T) to handle complex outdoor lighting environments and proposes a bidirectional modality difference elimination network (BMDENet) to enhance segmentation performance. The network achieves this by reducing heterogeneity between RGB and thermal images, fusing cross-modal information, and addressing issues in advanced models.
Few-shot semantic segmentation (FSS) aims to segment the target prospects of query images using a few labeled support samples. Compared with the fully-supervised methods, FSS has a greater ability to generalize to unseen classes and reduce the pressure to label large pixel-level datasets. To cope with the complex outdoor lighting environment, we introduce the thermal infrared images (T) to the FSS task. However, the existing RGB-T FSS methods all ignore the differences between various modalities for direct fusion, which may hinder cross-modal information interaction. Also considering the effect of successive downsampling on the results, we propose a bidirectional modality difference elimination network (BMDENet) to boost the segmentation performance. Concretely, the bidirectional modality difference elimination module (BMDEM) reduces the heterogeneity between RGB and thermal images in the prototype space. The residual attention fusion module (RAFM) mines the bimodal features to fully fuse the cross modal information. In addition, the mainstay and subsidiary enhancement module (MSEM) enhances the fusion features for the existing problem of the advanced model. Extensive experiments on Tokyo Multi-Spectral-4i dataset prove that BMDENet achieves the state-of-the-art on both 1-and 5-shot settings.
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