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Ultrasound image enhancement using structure oriented adversarial network
D. Mishra, , M. Sarkar, A.S. Soin
Published in Institute of Electrical and Electronics Engineers Inc.
Volume: 25
Issue: 9
Pages: 1349 - 1353
In this letter, we aim to develop a deep adversarial despeckling approach to enhance the quality of ultrasound images. Most of the existing approaches target a complete removal of speckle, which produces oversmooth outputs and results in loss of structural details. In contrast, the proposed approach reduces the speckle extent without altering the structural and qualitative attributes of the ultrasound images. A despeckling residual neural network (DRNN) is trained with an adversarial loss imposed by a discriminator. The discriminator tries to differentiate between the despeckled images generated by the DRNN and the set of high-quality images. Further to prevent the developed network from oversmoothing, a structural loss term is used along with the adversarial loss. Experimental evaluations show that the proposed DRNN outperforms the state-of-the-art despeckling approaches in terms of the structural similarity index measure, peak signal to noise ratio, edge preservation index, and speckle region's signal to noise ratio. © 1994-2012 IEEE.
About the journal
JournalData powered by TypesetIEEE Signal Processing Letters
PublisherData powered by TypesetInstitute of Electrical and Electronics Engineers Inc.