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Optoacoustic determination of spatio-temporal responses of ultrasound sensors.
Caballero MA, Rosenthal A, Buehler A, Razansky D, Ntziachristos V. Caballero MA, et al. IEEE Trans Ultrason Ferroelectr Freq Control. 2013 Jun;60(6):1234-44. doi: 10.1109/TUFFC.2013.2687. IEEE Trans Ultrason Ferroelectr Freq Control. 2013. PMID: 25004487
In this work, we developed a hybrid method for the characterization of the spatially dependent response of ultrasound detectors. ...
In this work, we developed a hybrid method for the characterization of the spatially dependent response of ultrasound detectors. ...
Importance of Ultrawide Bandwidth for Optoacoustic Esophagus Imaging.
He H, Buehler A, Bozhko D, Jian X, Cui Y, Ntziachristos V. He H, et al. IEEE Trans Med Imaging. 2018 May;37(5):1162-1167. doi: 10.1109/TMI.2017.2777891. IEEE Trans Med Imaging. 2018. PMID: 29727279
Recent support from the EU Horizon 2020 program ESOTRAC to develop a next-generation optoacoustic esophageal endoscope directs the interrogation of the optimal frequency required for accurate implementation. ...
Recent support from the EU Horizon 2020 program ESOTRAC to develop a next-generation optoacoustic esophageal endoscope directs the in …
24-MHz scanner for optoacoustic imaging of skin and burn.
Vionnet L, Gateau J, Schwarz M, Buehler A, Ermolayev V, Ntziachristos V. Vionnet L, et al. IEEE Trans Med Imaging. 2014 Feb;33(2):535-45. doi: 10.1109/TMI.2013.2289930. Epub 2013 Nov 7. IEEE Trans Med Imaging. 2014. PMID: 24216682
In this paper, we showcase the performance of a scanner based on a 24 MHz center-frequency 128 element array, developed for applications in dermatology. ...
In this paper, we showcase the performance of a scanner based on a 24 MHz center-frequency 128 element array, developed for ap …
Statistical Molecular Target Detection Framework for Multispectral Optoacoustic Tomography.
Tzoumas S, Kravtsiv A, Gao Y, Buehler A, Ntziachristos V. Tzoumas S, et al. IEEE Trans Med Imaging. 2016 Dec;35(12):2534-2545. doi: 10.1109/TMI.2016.2583791. Epub 2016 Jun 22. IEEE Trans Med Imaging. 2016. PMID: 27337713
The objective of this work is to develop a robust statistical detection framework that is appropriately suited to the characteristics of MSOT molecular imaging. Using experimental imaging data, we perform a statistical characterization of MSOT tissue images and conc …
The objective of this work is to develop a robust statistical detection framework that is appropriately suited to the characteristics …
Volumetric optoacoustic imaging with multi-bandwidth deconvolution.
Buehler A, Deán-Ben XL, Razansky D, Ntziachristos V. Buehler A, et al. IEEE Trans Med Imaging. 2014 Apr;33(4):814-21. doi: 10.1109/TMI.2013.2282173. Epub 2013 Sep 16. IEEE Trans Med Imaging. 2014. PMID: 24058023
Parallel reading of multiple detectors arranged around a tissue cross section enables capturing data for generating images of this plane within micro-seconds. ...
Parallel reading of multiple detectors arranged around a tissue cross section enables capturing data for generating images of this pl …
Improving Optoacoustic Image Quality via Geometric Pixel Super-Resolution Approach.
He H, Mandal S, Buehler A, Deán-Ben X, Razansky D, Ntziachristos V. He H, et al. IEEE Trans Med Imaging. 2016 Mar;35(3):812-8. doi: 10.1109/TMI.2015.2497159. Epub 2015 Nov 3. IEEE Trans Med Imaging. 2016. PMID: 26552079
Herein, we investigate a method that integrates information from multiple optoacoustic images acquired at sub-diffraction steps into one high resolution image by means of an iterative registration algorithm. ...
Herein, we investigate a method that integrates information from multiple optoacoustic images acquired at sub-diffraction steps into …
Accurate model-based reconstruction algorithm for three-dimensional optoacoustic tomography.
Deán-Ben XL, Buehler A, Ntziachristos V, Razansky D. Deán-Ben XL, et al. IEEE Trans Med Imaging. 2012 Oct;31(10):1922-8. doi: 10.1109/TMI.2012.2208471. IEEE Trans Med Imaging. 2012. PMID: 23033065
However, this usually comes at a cost of significantly reduced quality of the tomographic data, out-of-plane image artifacts, and overall loss of image contrast and spatial resolution. ...
However, this usually comes at a cost of significantly reduced quality of the tomographic data, out-of-plane image artifacts, and ove …
Implications of ultrasound frequency in optoacoustic mesoscopy of the skin.
Schwarz M, Omar M, Buehler A, Aguirre J, Ntziachristos V. Schwarz M, et al. IEEE Trans Med Imaging. 2015 Feb;34(2):672-7. doi: 10.1109/TMI.2014.2365239. Epub 2014 Oct 28. IEEE Trans Med Imaging. 2015. PMID: 25361501
We further compared results obtained from glabrous and hairy skin and identify that frequencies above 60 MHz are necessary for revealing the epidermal thickness, a prerequisite for determining the invasion depth of melanoma in future studies. By imaging a benign nev …
We further compared results obtained from glabrous and hairy skin and identify that frequencies above 60 MHz are necessary for revealing the …
Optoacoustic Dermoscopy of the Human Skin: Tuning Excitation Energy for Optimal Detection Bandwidth With Fast and Deep Imaging in vivo.
Schwarz M, Soliman D, Omar M, Buehler A, Ovsepian SV, Aguirre J, Ntziachristos V. Schwarz M, et al. IEEE Trans Med Imaging. 2017 Jun;36(6):1287-1296. doi: 10.1109/TMI.2017.2664142. Epub 2017 Mar 1. IEEE Trans Med Imaging. 2017. PMID: 28278460
We relate our simulation results to experimental measurements of the detection bandwidth as a function of optical excitation energy in phantoms and human skin. Using raster-scan optoacoustic mesoscopy, we further compare the performance of two broadband ultrasonic detector …
We relate our simulation results to experimental measurements of the detection bandwidth as a function of optical excitation energy i …
Hybrid optical and acoustic resolution optoacoustic endoscopy.
He H, Wissmeyer G, Ovsepian SV, Buehler A, Ntziachristos V. He H, et al. Opt Lett. 2016 Jun 15;41(12):2708-10. doi: 10.1364/OL.41.002708. Opt Lett. 2016. PMID: 27304269
A 20 MHz ultrasound detector is used for recording optoacoustic signals. The endoscopy probe attains a 3.6 mm diameter and is fully encapsulated into a catheter system. ...
A 20 MHz ultrasound detector is used for recording optoacoustic signals. The endoscopy probe attains a 3.6 mm diameter and is
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