Zobrazeno 1 - 10
of 22
pro vyhledávání: '"Ihor Trots"'
Publikováno v:
Archives of Acoustics, Vol vol. 47, Iss No 3, Pp 399-405 (2022)
The objective of this paper is an experimental study of the most crucial parameters of the received acoustic signals (e.g. signal-to-noise ratio (SNR), side-lobes level (SLL), axial resolution) obtained as a result of simultaneous emission of mutuall
Externí odkaz:
https://doaj.org/article/588e0ed0c32f433984fca8f56f1dbee6
Publikováno v:
Ultrasonics. 115:106434
Complementary Golay coded sequences (CGCS) have several advantages over conventional short pulse transmitted signals. Specifically, CGCS allow the signal-to-noise ratio (SNR) to be increased. Moreover, due to matched filtering and compression, echoes
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e8206f4c622f4e700c31e631f30a418f
https://doi.org/10.1016/j.ultras.2021.106434
https://doi.org/10.1016/j.ultras.2021.106434
Publikováno v:
Ultrasonics. 102
Accurate evaluation of ultrasonic wave attenuation is important in many medical applications of ultrasound. The aim of this work is to present a thorough analysis of the effectiveness of using complementary Golay coded sequences (CGCS) during the eva
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0330e2bb359535b19c7170187c218e23
https://pubmed.ncbi.nlm.nih.gov/31948807
https://pubmed.ncbi.nlm.nih.gov/31948807
Publikováno v:
IEEE Signal Processing Letters
IEEE Signal Processing Letters, Institute of Electrical and Electronics Engineers, 2018, 25 (3), pp.437-441. ⟨10.1109/LSP.2017.2776040⟩
IEEE Signal Processing Letters, Institute of Electrical and Electronics Engineers, 2018, 25 (3), pp.437-441. ⟨10.1109/LSP.2017.2776040⟩
International audience; This paper analyses the influence of the transducer bandwidth on the compression and the axial resolution of an ultrasound image. The distortion of an electrical signal visible in the final image is a major problem in ultrason
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0e165c1b4cc7407dbe0e5f90c1e578b6
Publikováno v:
IEEE Signal Processing Letters. 22:1681-1684
The goal of this study is to improve the synthetic transmit aperture (STA) imaging method by employing the transducer array element beam pattern correction combined with emission of mutually orthogonal complementary Golay sequences. The transmit-rece
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eeabec5d073d852bfa5c6ed6e8bc5132
https://doi.org/10.1109/lsp.2015.2423619
https://doi.org/10.1109/lsp.2015.2423619
Autor:
Ihor Trots
Publikováno v:
Archives of Acoustics. 40:283-289
The main objective of this study is to improve the ultrasound image by employing a new algorithm based on transducer array element beam pattern correction implemented in the synthetic transmit aperture (STA) method combined with emission of mutually
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0659aa3c1505de51fafa4f867fa08734
https://doi.org/10.1515/aoa-2015-0031
https://doi.org/10.1515/aoa-2015-0031
Autor:
Jurij Tasinkevych, Ihor Trots
Publikováno v:
Archives of Acoustics. 39:569-582
The paper presents an overview of theoretical aspects of ultrasound image reconstruction techniques based on the circular Radon transform inversion. Their potential application in ultrasonography in a similar way as it was successfully done in the x-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e2b9a05c4c2c26917584f8486adf1382
https://doi.org/10.2478/aoa-2014-0061
https://doi.org/10.2478/aoa-2014-0061
Autor:
Andrzej Nowicki, Ihor Trots, Peter A. Lewin, Jerzy Litniewski, Ziemowit Klimonda, Marcin Lewandowski
Publikováno v:
Ultrasonics. 44:121-129
This work reports the results of measurements of spatial distributions of ultrasound fields obtained from five energizing schemes. Three different codes, namely, chirp signal and two sinusoidal sequences were investigated. The sequences were phase mo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fd2cb68697fded2faf5743e440f9914a
https://doi.org/10.1016/j.ultras.2005.10.001
https://doi.org/10.1016/j.ultras.2005.10.001
Publikováno v:
2013 IEEE International Ultrasonics Symposium (IUS).
The Synthetic Aperture (SA) method provides a new solution in ultrasound diagnostics. It has particular importance in applications where frame rate and image resolution are crucial. Our new approach named Cumulative Synthetic Transmit Aperture (CSTA)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::03396e1d7140283cf2ddcc91d46efd88
https://doi.org/10.1109/ultsym.2013.0528
https://doi.org/10.1109/ultsym.2013.0528
In the paper the study of synthetic transmit aperture method applying the Golay coded transmission for medical ultrasound imaging is presented. Longer coded excitation allows to increase the total energy of the transmitted signal without increasing t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::982177e0afdce384a5948257243168d6
