MSRF-Net: A Multi-Scale Residual Fusion Network for Biomedical Image Segmentation

• URL: http://arxiv.org/abs/2105.07451v1
• Date: Sun, 16 May 2021 15:19:56 GMT
• Title: MSRF-Net: A Multi-Scale Residual Fusion Network for Biomedical Image Segmentation
• Authors: Abhishek Srivastava, Debesh Jha, Sukalpa Chanda, Umapada Pal, H{\aa}vard D. Johansen, Dag Johansen, Michael A. Riegler, Sharib Ali, P{\aa}l Halvorsen
• Abstract summary: We propose a novel architecture called MSRF-Net, which is specially designed for medical image segmentation tasks. MSRF-Net is able to exchange multi-scale features of varying receptive fields using a dual-scale dense fusion block (DSDF) Our DSDF block can exchange information rigorously across two different resolution scales, and our MSRF sub-network uses multiple DSDF blocks in sequence to perform multi-scale fusion.
• Score: 10.979393806308648
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Methods based on convolutional neural networks have improved the performance of biomedical image segmentation. However, most of these methods cannot efficiently segment objects of variable sizes and train on small and biased datasets, which are common in biomedical use cases. While methods exist that incorporate multi-scale fusion approaches to address the challenges arising with variable sizes, they usually use complex models that are more suitable for general semantic segmentation computer vision problems. In this paper, we propose a novel architecture called MSRF-Net, which is specially designed for medical image segmentation tasks. The proposed MSRF-Net is able to exchange multi-scale features of varying receptive fields using a dual-scale dense fusion block (DSDF). Our DSDF block can exchange information rigorously across two different resolution scales, and our MSRF sub-network uses multiple DSDF blocks in sequence to perform multi-scale fusion. This allows the preservation of resolution, improved information flow, and propagation of both high- and low-level features to obtain accurate segmentation maps. The proposed MSRF-Net allows to capture object variabilities and provides improved results on different biomedical datasets. Extensive experiments on MSRF-Net demonstrate that the proposed method outperforms most of the cutting-edge medical image segmentation state-of-the-art methods. MSRF-Net advances the performance on four publicly available datasets, and also, MSRF-Net is more generalizable as compared to state-of-the-art methods.

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