Academic literature on the topic 'Ultrasound attenuation imaging'
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Journal articles on the topic "Ultrasound attenuation imaging"
Roux, Christian, Bruno Fournier, Pascal Laugier, Christine Chappard, Sami Kolta, Maxime Dougados, and Geneviève Berger. "Broadband ultrasound attenuation imaging: A new imaging method in osteoporosis." Journal of Bone and Mineral Research 11, no. 8 (December 3, 2009): 1112–18. http://dx.doi.org/10.1002/jbmr.5650110810.
Full textRoux, C., B. Fournier, P. Laugier, C. Chappard, S. Kolta, G. Berger, and M. Dougados. "Broadband ultrasound attenuation imaging: A new imaging method in osteoporosis." Osteoporosis International 6, S1 (January 1996): 186. http://dx.doi.org/10.1007/bf02500280.
Full textTu, Haifeng, Tomy Varghese, Ernest L. Madsen, Quan Chen, and James A. Zagzebski. "Ultrasound Attenuation Imaging Using Compound Acquisition and Processing." Ultrasonic Imaging 25, no. 4 (October 2003): 245–61. http://dx.doi.org/10.1177/016173460302500403.
Full textIijima, Hiroko, Takashi Nishimura, Toshifumi Tada, Chikage Nakano, Tomoko Aoki, Tomoyuki Takashima, Naoto Ikeda, et al. "A new method to evaluate hepatic steatosis using ultrasound "Attenuation imaging"." Kanzo 59, no. 1 (2018): 65–67. http://dx.doi.org/10.2957/kanzo.59.65.
Full textRibault, M., J. Y. Chapelon, D. Cathignol, and A. Gelet. "Differential Attenuation Imaging for the Characterization of High Intensity Focused Ultrasound Lesions." Ultrasonic Imaging 20, no. 3 (July 1998): 160–77. http://dx.doi.org/10.1177/016173469802000302.
Full textBaran, D. T. "Broadband ultrasound attenuation measurements in osteoporosis." American Journal of Roentgenology 156, no. 6 (June 1991): 1326–27. http://dx.doi.org/10.2214/ajr.156.6.2028905.
Full textLee, Bum S., and Song B. Park. "Modeling and Computer Simulation of Ultrasound Imaging Systems and Human Tissues." Ultrasonic Imaging 10, no. 4 (October 1988): 229–47. http://dx.doi.org/10.1177/016173468801000401.
Full textKanayama, Yuko, Naohisa Kamiyama, Kenichi Maruyama, and Yasukiyo Sumino. "Real-Time Ultrasound Attenuation Imaging of Diffuse Fatty Liver Disease." Ultrasound in Medicine & Biology 39, no. 4 (April 2013): 692–705. http://dx.doi.org/10.1016/j.ultrasmedbio.2012.10.021.
Full textLaugier, P., G. Berger, P. Giat, P. Bonnin-Fayet, and M. Laval-Jeantet. "Ultrasound Attenuation Imaging in the Os Calcis: An Improved Method." Ultrasonic Imaging 16, no. 2 (April 1994): 65–76. http://dx.doi.org/10.1177/016173469401600201.
Full textLaugier, P. "Ultrasound Attenuation Imaging in the Os Calcis: An Improved Method." Ultrasonic Imaging 16, no. 2 (April 1994): 65–76. http://dx.doi.org/10.1006/uimg.1994.1004.
Full textDissertations / Theses on the topic "Ultrasound attenuation imaging"
Njeh, Christopher Forti. "The dependence of ultrasound velocity and attenuation on the material properties of cancellous bone." Thesis, Sheffield Hallam University, 1995. http://shura.shu.ac.uk/20127/.
Full textHan, Chao. "Advanced signal and imaging methods in ultrasound cortical bone assessment." Thesis, Sorbonne université, 2019. http://www.theses.fr/2019SORUS144.
Full textUltrasound technology provides an affordable means to implement non-invasive solutions to diagnostically assess the mechanical characteristics of the bone. In this thesis we introduce Orthogonal Matching Pursuit (OMP) to obtain a robust reconstruction of the waveform of each echo bouncing off the cortical bone surfaces. Echoes' time-of-flight and central frequencies are used to calculate Ct.Th and normalized broadband attenuation (nBUA). In vivo measurements have been successfully performed with pulse-echo ultrasound and reference data wase obtained with HR-pQCT (cortical thickness, vBMD). Ct.Th and nBUA were highly correlated to reference thickness values (r2=0.90) and vBMD (r2=0,90), respectively. The second main contribution is that we introduce Time Domain Topological Energy (TDTE) method and migration into cortical bone imaging. TDTE shows well performance in extracting the structure of cortical bone, including the external, internal boundary of cortical bone and porous structure inside the cortical bone. Migration can provide a rough quantitative distribution of density, compression wave speed, and shear wave speed
Benane, Mehdi Yanis. "Ultrafast, broadband and multi-pulse transmissions for ultrasonic imaging." Thesis, Lyon, 2018. http://www.theses.fr/2018LYSE1268/document.
Full textUltrasound imaging is a diagnostic tool widely used thanks to such virtues as real-time data acquisition / processing, ease of use and safety for the patient / practitioner during examination. However, when compared to other imaging methods such as X-ray tomography and Magnetic Resonance Imaging, the echography has the disadvantage to provide relatively low image quality. In this thesis, we study a method that is able to increase the ultrasound image quality, thus paving the way towards improved diagnostics based on echography and novel ultrasound applications. In order to increase the echo signal to noise ratio of the received signals, we propose to use linear frequency modulated signals, also called chirps. To avoid the negative effect of the bandlimited acquisition probe, we apply a pre-enhancement step on the probe excitation signals in order to boost the signal energy in the frequency bands where the probe is less efficient. To compress the echo energy in reception, we use Wiener filters that allow obtaining a good trade-off between the spatial resolution and noise stability. We apply the previously detailed pipeline, also called REC (Resolution Enhancement Technique) on ultrafast imaging schemes. We show promising results in simulation and in-vitro, ex-vivo, in-vivo acquisitions. Furthermore, we adapt REC in such way that the frequency dependent tissue attenuation effect is compensated for. This improvement is validated in simulation and phantom experiments. We also adapt REC to the nonlinear propagation of ultrasound waves, by proposing a pulse inversion technique that uses REC to provide a better image resolution and contrast to noise ratio. Then, we demonstrate the generality of the REC method by applying it to different acquisition schemes such as diverging wave compounding and Multi Line Transmit (MLT). We also show that the image quality can be increased more by taking into account the spatial impulse response of the ultrasound probe when REC and MLT are combined
Filipík, Adam. "KALIBRACE ULTRAZVUKOVÉHO PRŮZVUČNÉHO SYSTÉMU VÝPOČETNÍ TOMOGRAFIE." Doctoral thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2009. http://www.nusl.cz/ntk/nusl-233451.
Full textJaegler, Arnaud. "Segmentation d'image échographique par minimisation de la complexité stochastique en vue du diagnostic sénologique." Thesis, Aix-Marseille 3, 2011. http://www.theses.fr/2011AIX30002.
Full textThe purpose of this PhD thesis is to propose and study a segmentation method adapted to echographic ultrasound imaging that could be clinically operational (i.e. fast and parameter-free) and robust to both the speckle noise and the attenuation of the ultrasonic signal in the medium. The solutions we studied rely on statistical active contour methods that are based on the Minimization of the Stochastic Complexity (MSC). The impact on the segmentation results of several speckle noise models that still lead to fast segmentation algorithms has been characterized. A key feature of these models, that appears to be crucial for both the segmentation and the speckle characterization, is the ability to take into account the spatial variation of the average intensity induced by the attenuation of the signal in the medium. In addition, we proposed a hierarchical optimization strategy that improves segmentation results and decreases the computation time.Finally, a novel contour model that is adapted to smooth boundaries that are met in medical imaging is also proposed for the considered MSC segmentation algorithms. The construction of this contour model relies on Information Theory concepts. It still allows one to get low computation times and does not contain any tuning parameter. Evaluations performed on synthetic images and real echographic phantom images indicate that this contour model provides better segmentation results for smooth inclusions that usually compose the echographic images
Chang, Chen-Han, and 張珵涵. "Estimation of Sound Velocity and Attenuation Coefficient for Breast Ultrasound Imaging." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/76620374500090944623.
Full text臺灣大學
電機工程學研究所
98
Recently, breast cancer has been one of the leading causes of death from cancer in females. Therefore, the study of its early detection has become an important issue now. Mammography has always been considered as the most common and the most effective screening method for detecting breast cancer because it can detect non-palpable and small tumors. However, the issue about ionization radiation is disputable. Besides, the images of dense breast region cover the images of small tumor region so that misdiagnosis happens. Toward this drawback, ultrasonic breast imaging can provide some aid. In short, ultrasonic breast imaging has many advantages, including noninvasive method, without ionizing radiation, portable, not limited to dense breast, and real-time. However, the use of conventional ultrasonic pulse-echo B-mode imaging to find breast tumors is also often limited by the image distortion caused by sound-velocity inhomogeneities in the breast tissue. Using other characteristics of tissue, such as sound velocity and attenuation coefficient, would provide diagnosticians additional information to increase the accuracy of diagnosis. The aim of the first part of this study was to determine the efficacy of using sound velocity and tissue attenuation to clinically discriminate breast cancer from healthy tissues. The method requires only raw channel data acquired by a linear transducer array and can therefore be implemented on existing clinical systems. In this study, these methods were tested on clinical data. A total of 19 biopsy-proven cases were evaluated. A imaging setup consisting of a 5-MHz, 128-channel linear array was used to simultaneously obtain B-mode image data, time-of-flight data and attenuation data. The sound velocity and attenuation coefficient can be reconstructed inside and outside a region of interest manually selected in the B-mode image. To reduce distortion caused by tissue inhomogeneities, an optimal filter derived from pulse-echo data—with water replacing the breast tissue—is applied. These results indicate that carcinoma (CA) can be discriminated from fibroadenoma (FA) and fat by choosing an appropriate threshold for the relative sound velocity (i.e., 18.5 m/s). However, the large variations in the attenuation within the same type of tissue make simple thresholding ineffective. Nevertheless, the method described in this study has the potential to reduce negative biopsies and to improve the accuracy of breast cancer detection in clinics. In the second part of this study, we implemented three different approaches to evaluate attenuation and one combined method in order to help the differentiation of breast cancer. Performance of these approaches is investigated based on simulation data. The three approaches are: video signal analysis (VSA), spectral estimation using periodogram (PER), and minimum side difference (MSD). Note that all approaches can readily be implemented using current B-mode imaging setup. First, VSA is to observe the gray-level gradient on a B-mode image. Second, PER is implemented by estimating the center frequency from the periodogram of the beamform data. Third, MSD is calculated using gray-level values of areas posterior to the region of interest, and left and right posterior to the ROI. In VSA, an effective frequency is required and typically the nominal center frequency is used. However, with a broadband pulse an accurate estimate of the effective frequency is needed to avoid large errors in VSA. In this study, we propose a modified VSA method in which PER is used to estimate the effective frequency. It is shown that accuracy of the VSA method can be improved by the proposed method particularly when the transmit bandwidth is large.
Books on the topic "Ultrasound attenuation imaging"
Grant, Stuart A., and David B. Auyong. Basic Principles of Ultrasound Guided Nerve Block. Oxford University Press, 2016. http://dx.doi.org/10.1093/med/9780190231804.003.0001.
Full textBook chapters on the topic "Ultrasound attenuation imaging"
Kudo, N., N. Hirao, K. Okada, and K. Yamamoto. "Pressure-Dependent Attenuation of Ultrasound Contrast Agents." In Acoustical Imaging, 107–13. Dordrecht: Springer Netherlands, 2008. http://dx.doi.org/10.1007/978-1-4020-8823-0_15.
Full textBaldeweck, T., P. Laugier, and G. Berger. "Ultrasound Attenuation Estimation in Highly Attenuating Media: Application to Skin Characterization." In Acoustical Imaging, 341–48. Boston, MA: Springer US, 1996. http://dx.doi.org/10.1007/978-1-4419-8772-3_55.
Full textGirault, Jean-Marc, Frederic Ossant, Abdeldjalil Ouahabi, Christelle Guittet, Denis Kouamé, and Fredéric Patat. "Non-Stationary Parametric Spectral Estimation for Ultrasound Attenuation." In Acoustical Imaging, 53–59. Boston, MA: Springer US, 1997. http://dx.doi.org/10.1007/978-1-4419-8588-0_9.
Full textJohnson, S. A., T. Abbott, R. Bell, M. Berggren, D. Borup, D. Robinson, J. Wiskin, S. Olsen, and B. Hanover. "Non-Invasive Breast Tissue Characterization Using Ultrasound Speed and Attenuation." In Acoustical Imaging, 147–54. Dordrecht: Springer Netherlands, 2007. http://dx.doi.org/10.1007/1-4020-5721-0_17.
Full textWeisser, G., M. Fein, I. Zuna, A. Lorenz, and W. J. Lorenz. "Attenuation Measurement with Transmitted and Reflected Ultrasound - A Comparison of Different Methods." In Acoustical Imaging, 409–14. Boston, MA: Springer US, 1992. http://dx.doi.org/10.1007/978-1-4615-3370-2_65.
Full textKlimonda, Ziemowit, Jerzy Litniewski, and Andrzej Nowicki. "Enhancing Tissue Attenuation Estimation from Backscattered Ultrasound Using Spatial Compounding and Synthetic Aperture Techniques." In Acoustical Imaging, 181–90. Dordrecht: Springer Netherlands, 2012. http://dx.doi.org/10.1007/978-94-007-2619-2_18.
Full textBush, Nigel L., Jeffrey C. Bamber, and Richard Symonds-Tayler. "A Clinical Ultrasound Scanner Developed for Imaging the Relative Surface Attenuation, Reflectivity and Profile of Skin Lesions." In Acoustical Imaging, 511–18. Dordrecht: Springer Netherlands, 2004. http://dx.doi.org/10.1007/978-1-4020-2402-3_64.
Full textRau, Richard, Ozan Unal, Dieter Schweizer, Valery Vishnevskiy, and Orcun Goksel. "Attenuation Imaging with Pulse-Echo Ultrasound Based on an Acoustic Reflector." In Lecture Notes in Computer Science, 601–9. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-32254-0_67.
Full textJang, H. S., T. K. Song, and S. B. Park. "Ultrasound Attenuation Estimation in Soft Tissue Using the Entropy Difference of Pulsed Echoes Between Two Adjacent Envelope Segments." In Acoustical Imaging, 517–31. Boston, MA: Springer US, 1989. http://dx.doi.org/10.1007/978-1-4613-0791-4_55.
Full textHarary, Sivan, and Eugene Walach. "Identification of Malignant Breast Tumors Based on Acoustic Attenuation Mapping of Conventional Ultrasound Images." In Medical Computer Vision. Recognition Techniques and Applications in Medical Imaging, 233–43. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-36620-8_23.
Full textConference papers on the topic "Ultrasound attenuation imaging"
Leeman, Sidney, Andrew J. Healey, Mark C. Betts, and Leonard A. Ferrari. "Attenuation-weighted pulse-echo imaging with ultrasound." In Medical Imaging 1995, edited by Richard L. Van Metter and Jacob Beutel. SPIE, 1995. http://dx.doi.org/10.1117/12.208338.
Full textSandhu, Gursharan Yash Singh, Cuiping Li, Olivier Roy, Erik West, Katelyn Montgomery, Michael Boone, and Neb Duric. "Frequency-domain ultrasound waveform tomography breast attenuation imaging." In SPIE Medical Imaging, edited by Neb Duric and Brecht Heyde. SPIE, 2016. http://dx.doi.org/10.1117/12.2218374.
Full textLi, Cuiping, Neb Duric, and Lianjie Huang. "Comparison of ultrasound attenuation tomography methods for breast imaging." In Medical Imaging, edited by Stephen A. McAleavey and Jan D'hooge. SPIE, 2008. http://dx.doi.org/10.1117/12.771433.
Full textFrimmel, Hans, Oscar Acosta, Aaron Fenster, and Sébastien Ourselin. "Reduction of attenuation effects in 3D transrectal ultrasound images." In Medical Imaging, edited by Stanislav Y. Emelianov and Stephen A. McAleavey. SPIE, 2007. http://dx.doi.org/10.1117/12.711083.
Full textMohammadi, Leila, Hamid Behnam, Jahan Tavakkoli, and Mohammadreza Nasiriavanaki. "Skull's acoustic attenuation and dispersion modeling on photoacoustic signal." In Photons Plus Ultrasound: Imaging and Sensing 2018, edited by Alexander A. Oraevsky and Lihong V. Wang. SPIE, 2018. http://dx.doi.org/10.1117/12.2291362.
Full textChen, Ting, Junseob Shin, and Lianjie Huang. "Ultrasound transmission attenuation tomography using energy-scaled amplitude ratios." In SPIE Medical Imaging, edited by Neb Duric and Brecht Heyde. SPIE, 2016. http://dx.doi.org/10.1117/12.2216412.
Full textCivale, John, Jeff Bamber, Naomi Miller, Ian Rivens, and Gail ter Haar. "Attenuation Estimation and Temperature Imaging Using Backscatter for Extracorporeal HIFU Treatment Planning." In 6TH INTERNATIONAL SYMPOSIUM ON THERAPEUTIC ULTRASOUND. AIP, 2007. http://dx.doi.org/10.1063/1.2744291.
Full textPérez-Liva, M., J. M. Udías, and J. L. Herraiz. "Improved misfit function for attenuation and speed reconstruction in ultrasound computed tomography." In SPIE Medical Imaging, edited by Neb Duric and Brecht Heyde. SPIE, 2017. http://dx.doi.org/10.1117/12.2253849.
Full textPark, Seonyeong, Alexander A. Oraevsky, Richard Su, and Mark A. Anastasio. "Compensation for non-uniform illumination and optical fluence attenuation in three-dimensional optoacoustic tomography of the breast." In Photons Plus Ultrasound: Imaging and Sensing 2019, edited by Alexander A. Oraevsky and Lihong V. Wang. SPIE, 2019. http://dx.doi.org/10.1117/12.2514750.
Full textSarno, Daniel, Christian Baker, Mark Hodnett, and Bajram Zeqiri. "Phase-insensitive ultrasound computed tomography for acoustic attenuation imaging of breast phantoms." In Ultrasonic Imaging and Tomography, edited by Nicole V. Ruiter and Brett C. Byram. SPIE, 2021. http://dx.doi.org/10.1117/12.2580901.
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