Generating Ultrasonic Images Indistinguishable from Real Images Using Generative Adversarial Networks

Published: 17.02.2022.

Generating Ultrasonic Images Indistinguishable from Real Images Using Generative Adversarial Networks

Ultrasonic imaging is widely used for non-destructive evaluation in various industry applications. Early detection of defects in materials is the key to keeping the integrity of inspected structures. Currently, there have been some attempts to develop models for automated defect detection on ultrasonic data. To push the performance of these models even further more data is needed to train deep convolutional neural networks. A lot of data is also needed for training human experts. However, gathering a sufficient amount of data for training is a challenge due to the rare occurrence of defects in real inspection scenarios. This is why inspection results heavily depend on the inspector’s previous experience. To overcome these challenges, we propose the use of Generative Adversarial Networks for generating realistic ultrasonic images. To the best of our knowledge, this work is the first one to show that a Generative Adversarial Network is able to generate images indistinguishable from real ultrasonic images. The most thorough statistical quality analysis to date of generated ultrasonic images has been conducted with the participation of human expert inspectors. The experimental results show that images generated using our Generative Adversarial Network provide the highest quality images compared to other published methods.

Authors: Luka Posilović, Duje Medak, Marko Subašić, Marko Budimir (INETEC), Sven Lončarić

Journal: Ultrasonics, Volume 119, February 2022, 106610

Read the article here.

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