Zobrazeno 1 - 10
of 19
pro vyhledávání: '"Heinrich Fonfara"'
Autor:
Christoph Risser, Holger Hewener, Marc Fournelle, Heinrich Fonfara, Selina Barry-Hummel, Steffen Weber, Daniel Speicher, Steffen Tretbar
Publikováno v:
Applied Sciences, Vol 11, Iss 13, p 5795 (2021)
Volumetric ultrasound imaging is of great importance in many medical fields, especially in cardiology, but also in therapy monitoring applications. For development of new imaging technologies and scanning strategies, it is crucial to be able to use a
Externí odkaz:
https://doaj.org/article/d2da1197fc1a464ba443eb468d577bae
Autor:
Steffen Tretbar, Steffen Weber, Heinrich Fonfara, Holger Hewener, Selina Barry-Hummel, Daniel Speicher, Christoph Risser, Marc Fournelle
Publikováno v:
Applied Sciences
Volume 11
Issue 13
Applied Sciences, Vol 11, Iss 5795, p 5795 (2021)
Volume 11
Issue 13
Applied Sciences, Vol 11, Iss 5795, p 5795 (2021)
Volumetric ultrasound imaging is of great importance in many medical fields, especially in cardiology, but also in therapy monitoring applications. For development of new imaging technologies and scanning strategies, it is crucial to be able to use a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1aec2c9ff62a7ff107dc55d34558f093
Autor:
Marc Fournelle, Steffen Tretbar, Holger Hewener, Heinrich Fonfara, Selina Barry-Hummel, Christoph Risser
Publikováno v:
2020 IEEE International Ultrasonics Symposium (IUS).
Volumetric ultrasound imaging is of most importance not only for real time cardiac imaging and quantization of flow but also for niche applications like motion tracking and robust 3D microbubble tracing. In ultrasound research, the use of fully conne
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::30a3f427fb15b018df934ccac52ef9cf
https://doi.org/10.1109/ius46767.2020.9251700
https://doi.org/10.1109/ius46767.2020.9251700
Autor:
F. J. Becker, Holger Hewener, Christian Degel, Heinrich Fonfara, Steffen Tretbar, Leonora Peter, Marc Fournelle, M. Ehrhardt
Publikováno v:
OCEANS 2017 - Aberdeen.
In recent years, the ultrasound division of the Fraunhofer IBMT has developed and manufactured several imaging sonar systems for different visualization purposes. For short-range high-resolution imaging, three different concepts of sonar systems have
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::db485c41f95d30d376753e19268a3ef9
https://doi.org/10.1109/oceanse.2017.8084758
https://doi.org/10.1109/oceanse.2017.8084758
Autor:
Daniel Speicher, Heinrich Fonfara, Marc Fournelle, Steffen Tretbar, F. J. Becker, Christian Degel, M. Ehrhardt, Holger Hewener
Publikováno v:
OCEANS 2016 MTS/IEEE Monterey.
In this work we present the evaluation results of our 3D sonar camera system. The system consists of a matrix antenna array with 1024 single transducer elements and our in house developed DiPhAS sonar beamformer - a 128 channel FPGA-based beamforming
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7eeff64206bd5e53e26aafdca5029d71
https://doi.org/10.1109/oceans.2016.7761232
https://doi.org/10.1109/oceans.2016.7761232
Publikováno v:
2016 IEEE International Ultrasonics Symposium (IUS).
We present the newest application specific version of our beamformer platform “DiPhAS” that provides 256 parallel channels both for generation of ultrasound signals as well as digitalization of returned echos. Using ultrasound transducers with lo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3ed8a90afb44229a4b0c681991463504
https://doi.org/10.1109/ultsym.2016.7728714
https://doi.org/10.1109/ultsym.2016.7728714
Autor:
Hans Joachim Welsch, Holger Hewener, Heinrich Fonfara, Steffen Tretbar, Steffen Weber, Christoph Risser, Wolfgang Bost
Publikováno v:
2015 IEEE International Ultrasonics Symposium (IUS).
Several research platforms are available for the development of ultrasound applications and algorithm designs but they are all limited by its digitalization frequency ranging up to 80 MHz for standard medical imaging. Using transducers with mid frequ
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::33653b9c801fd72735d7241ac21431d9
https://doi.org/10.1109/ultsym.2015.0255
https://doi.org/10.1109/ultsym.2015.0255
Autor:
Steffen Tretbar, Holger Hewener, F. J. Becker, Marc Fournelle, Christian Degel, Heinrich Fonfara, H. J. Welsch
Publikováno v:
2014 Oceans - St. John's.
A special aperture for a 3D sonar system is the so called Mills Cross antenna configuration. The Mills Cross arrangement looks like a “T” in which both antennas have a special function. In our work one antenna, consisting of 128 piezoelectric tra
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7149a2769947a75fb480a4f7fc4bb204
https://doi.org/10.1109/oceans.2014.7003133
https://doi.org/10.1109/oceans.2014.7003133
Publikováno v:
2012 IEEE International Ultrasonics Symposium.
We present a new generation of our highly scalable and flexible ultrasound research platform for sonar, medical and high frequency applications that can be used to develop new technologies and integrate them to real life applications based on its cos
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e5ecc334d7ce966e6c6df56699a460af
https://doi.org/10.1109/ultsym.2012.0519
https://doi.org/10.1109/ultsym.2012.0519
Autor:
Holger Hewener, Heinrich Fonfara, H. J. Welsch, F. J. Becker, Steffen Tretbar, Christian Degel, Marc Fournelle
Publikováno v:
2012 Oceans.
In this work we present an optimized multibeam echosounder (MBES) antenna and system design for high resolution sonar imaging. Furthermore the reconstruction concept based and delay-and-sum beamforming is presented. The antenna is based on high frequ
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9598d179fa44ac60e80fd69cd2c01fc0
https://doi.org/10.1109/oceans.2012.6404968
https://doi.org/10.1109/oceans.2012.6404968