Low Frame Rate Elastometry Using Interference Pattern of Shear Waves

Autor: Mehdi Soozande, Hossein Arabalibeik, Seyed Moayed Alavian

Publikováno v: Frontiers in Biomedical Technologies, Vol 2, Iss 4 (2015)

Purpose: Elastography is a promising method as a non-invasive test to assess the liver tissue for diagnosing chronic diseases such as fatty liver, fibrosis and cirrhosis. Most of elastography techniques measure the velocity of shear wave propagation

Externí odkaz: https://doaj.org/article/e82a4ecc806b4dfd82107c401536ef28

A Compact Integrated High-Voltage Pulser Insensitive to Supply Transients for 3-D Miniature Ultrasound Probes

Autor: Yannick M. Hopf, Boudewine Ossenkoppele, Mehdi Soozande, Emile Noothout, Zu-Yao Chang, Hendrik J. Vos, Johan G. Bosch, Martin D. Verweij, Nico de Jong, Michiel A. P. Pertijs

Publikováno v: IEEE Solid State Circuits Letters, 5

In this letter, a compact high-voltage (HV) transmit circuit for dense 2-D transducer arrays used in 3-D ultrasonic imaging systems is presented. Stringent area requirements are addressed by a unipolar pulser with embedded transmit/receive switch. Co

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7edee423b7b3535c3036ad7676cbb206
https://doi.org/10.1109/lssc.2022.3180071

Receive/Transmit Aperture Selection for 3D Ultrasound Imaging with a 2D Matrix Transducer

Autor: Fabian Fool, Nico de Jong, Michiel A. P. Pertijs, Mehdi Soozande, Johan G. Bosch, Hendrik J. Vos, Martin D. Verweij, Moein Mozaffarzadeh

Publikováno v: Applied Sciences
Volume 10
Issue 15
Applied Sciences, 10(15)
Applied Sciences-Basel, 10(15):5300
Applied Sciences, Vol 10, Iss 5300, p 5300 (2020)

Recently, we realized a prototype matrix transducer consisting of 48 rows of 80 elements on top of a tiled set of Application Specific Integrated Circuits (ASICs) implementing a row-level control connecting one transmit/receive channel to an arbitrar

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::864490f4a5b2584a42ba3a0aace43c9e
https://doi.org/10.3390/app10155300

Impact of Bit Errors in Digitized RF Data on Ultrasound Image Quality

Autor: Nico de Jong, Michiel A. P. Pertijs, Johan G. Bosch, Zhao Chen, Hendrik J. Vos, Mehdi Soozande, Martin D. Verweij

Publikováno v: IEEE Transactions on Ultrasonics Ferroelectrics and Frequency Control, 67(1), 13-24. Institute of Electrical and Electronics Engineers Inc.
IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, 67(1)

This article quantitatively analyzes the impact of bit errors in digitized RF data on ultrasound image quality. The quality of B-mode images in both linear array and phased array imaging is evaluated by means of three objective image quality metrics:

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8c7a6b55d8b1ae830e384897d2f87fa7
https://pubmed.ncbi.nlm.nih.gov/31449014

An image registration-based technique for noninvasive vascular elastography

Autor: Mohammadreza Nasiriavanaki, Moein Mozaffarzadeh, Bahador Makkiabadi, Rayyan Manwar, Mehdi Soozande, Alireza Mirbagheri, Sina Valizadeh

Publikováno v: Photons Plus Ultrasound: Imaging and Sensing 2018.

Non-invasive vascular elastography is an emerging technique in vascular tissue imaging. During the past decades, several techniques have been suggested to estimate the tissue elasticity by measuring the displacement of the Carotid vessel wall. Cross

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6ea1aeb44279658e68f50e2b5402b926
https://doi.org/10.1117/12.2291550