Abstract
The combination of convolution and Transformer applied to medical image segmentation has achieved great success. However, it still cannot reach extremely accurate segmentation on complex and low-contrast anatomical structures under lower calculation. To solve this problem, we propose a lite Transformer based medical image segmentation framework called LiteTrans, which deeply integrates Transformer and CNN in an Encoder-Decoder-Skip-Connection U-shaped architecture. Inspired by Transformer, a novel multi-branch module with convolution operation and Local-Global Self-Attention (LGSA) is incorporated into LiteTrans to unify local and non-local feature interactions. In particular, LGSA is a global self-attention approximation scheme with lower computational complexity. We evaluate LiteTrans by conducting extensive experiments on synapse multi-organ and ACDC datasets, showing that this approach achieves state-of-the-art performance over other segmentation methods, with fewer parameters and lower FLOPs.
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Xu, S., Quan, H. (2021). LiteTrans: Reconstruct Transformer with Convolution for Medical Image Segmentation. In: Wei, Y., Li, M., Skums, P., Cai, Z. (eds) Bioinformatics Research and Applications. ISBRA 2021. Lecture Notes in Computer Science(), vol 13064. Springer, Cham. https://doi.org/10.1007/978-3-030-91415-8_26
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DOI: https://doi.org/10.1007/978-3-030-91415-8_26
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