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Frame Rate Up-Conversion in Echocardiography Using a Conditioned Variational Autoencoder and Generative Adversarial Model

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Medical Image Computing and Computer Assisted Intervention – MICCAI 2019 (MICCAI 2019)

Abstract

Accurate detection of heart-related diseases in echocardiography (echo) often requires determining the performance of cardiac valves or contractile events such as strain at a high temporal resolution. In high-end cart-based imaging systems, this is achieved by increasing the frame rate using specialized beamforming and imaging hardware, or by limiting the imaging field of view (FOV). In point-of-care imaging, such a high frame rate imaging technology is currently unavailable. In this paper, we propose a new frame rate up-conversion technique, as a post-processing step during or after the echo acquisition. The proposed technique takes advantage of both variational autoencoders (VAE) and generative adversarial networks (GAN), and produces realistic frames at a high frame rate that can be used to augment conventional imaging. The proposed technique is robust to variations in heart rate since its latent space not only uses immediate previous frames, but it also takes into account the appearance of end-diastolic and end-systolic frames in its estimation. Our results show that the proposed technique can increase the frame rate by at least 5 times without any requirement for limiting the imaging FOV.

F. T. Dezaki and H. Girgis—Joint first authors.

P. Abolmaesumi and T. Tsang—Joint senior authors.

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Acknowledgements

This work is supported in part by the Canadian Institutes of Health Research (CIHR) and in part by the Natural Sciences and Engineering Research Council of Canada (NSERC). The authors would like to acknowledge the support provided by Dale Hawley and the Vancouver Coastal Health in providing us with the anonymized, deidentified data.

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Correspondence to Fatemeh Taheri Dezaki .

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Taheri Dezaki, F., Girgis, H., Rohling, R., Gin, K., Abolmaesumi, P., Tsang, T. (2019). Frame Rate Up-Conversion in Echocardiography Using a Conditioned Variational Autoencoder and Generative Adversarial Model. In: Shen, D., et al. Medical Image Computing and Computer Assisted Intervention – MICCAI 2019. MICCAI 2019. Lecture Notes in Computer Science(), vol 11765. Springer, Cham. https://doi.org/10.1007/978-3-030-32245-8_78

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  • DOI: https://doi.org/10.1007/978-3-030-32245-8_78

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  • Print ISBN: 978-3-030-32244-1

  • Online ISBN: 978-3-030-32245-8

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