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An application of deep dual convolutional neural network for enhanced medical image denoising

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Abstract

This work investigates the medical image denoising (MID) application of the dual denoising network (DudeNet) model for chest X-ray (CXR). The DudeNet model comprises four components: a feature extraction block with a sparse mechanism, an enhancement block, a compression block, and a reconstruction block. The developed model uses residual learning to boost denoising performance and batch normalization to accelerate the training process. The name proposed for this model is dual convolutional medical image-enhanced denoising network (DCMIEDNet). The peak signal-to-noise ratio (PSNR) and structure similarity index measurement (SSIM) are used to assess the MID performance for five different additive white Gaussian noise (AWGN) levels of σ = 15, 25, 40, 50, and 60 in CXR images. Presented investigations revealed that the PSNR and SSIM offered by DCMIEDNet are better than several popular state-of-the-art models such as block matching and 3D filtering, denoising convolutional neural network, and feature-guided denoising convolutional neural network. In addition, it is also superior to the recently reported MID models like deep convolutional neural network with residual learning, real-valued medical image denoising network, and complex-valued medical image denoising network. Therefore, based on the presented experiments, it is concluded that applying the DudeNet methodology for DCMIEDNet promises to be quite helpful for physicians.

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  1. Instrumentation and Control Engineering Department, Netaji Subhas University of Technology, Sector-3, Dwarka, New Delhi, 110078, India

    Alpana Sahu, K. P. S. Rana & Vineet Kumar

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Sahu, A., Rana, K.P.S. & Kumar, V. An application of deep dual convolutional neural network for enhanced medical image denoising. Med Biol Eng Comput 61, 991–1004 (2023). https://doi.org/10.1007/s11517-022-02731-9

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