Ultrasound-mediated imaging of soft materials /

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"Version: 20181201"--Title page verso.Includes bibliographical references.1. Introduction -- 1.1. General introduction -- 1.2. UMOT in the context of optical contrast imaging -- 1.3. A brief overview of the work2. Localized measurement of dynamics and mechanical properties -- 2.1. Introduction -- 2.2. Theory -- 2.3. Extraction of correlation decay introduced by Brownian particles in the ROI -- 2.4. Experiments -- 2.5. Conclusions3. Mechanical property distribution from optical measurement of resonant ultrasound spectrum -- 3.1. Introduction -- 3.2. Young's modulus recovery from measured natural frequency of vibration of ultrasound focal region -- 3.3. Recovery of elasticity distribution in an inhomogeneous object4. Quantitative vibro-acoustography from measurement of modal frequencies : characterisation of isotropic and orthotropic tissue-like objects -- 4.1. Introduction -- 4.2. Quantitative vibro-acoustography and measurement of resonant modes of region of interest -- 4.3. Experiment to measure the natural frequencies -- 4.4. Measurement of natural frequencies by ultrasound-assisted diffusing wave spectroscopy -- 4.5. Concluding remarks5. Light diffusion from non-spherical particles : rotational diffusion micro-rheology using ultrasound-assisted diffusing-wave spectroscopy -- 5.1. Introduction -- 5.2. Light scattering from an ensemble of particles with shape anisotropy -- 5.3. Numerical simulation of the particle dynamics -- 5.4. Experiments -- 5.5. Results and discussions -- 5.6. Conclusion6. Concluding remarks -- Appendices. -- A. Internal noise driven generalized Langevin equation to model the dynamics of scattering centres in ultrasound focal volume -- B. Reconstruction based on stochastic evolution.Ultrasound-mediated imaging in scattering media has deeper roots than hitherto imagined, with roots in condensed matter physics. Professors Vasu and Roy discuss these in order to establish a firm connection between measurement and a host of parameters in the medium, mechanical and optical. These connections are verified through recovery of parameters using simulations and experiments. Explaining their research, inter alia the authors explore problems such as noise-assisted small-signal amplification, stochastic search schemes for optimization and anisotropic particle diffusion. For graduates and researchers in the field, this book will highlight key features of the developing science and will enable practitioners to adopt the simulation algorithms and experimental modalities presented. Part of IOP Series in Advances in Optics, Photonics and OptoelectronicsAlso available in print.Mode of access: World Wide Web.System requirements: Adobe Acrobat Reader, EPUB reader, or Kindle reader.Ram M. Vasu completed a PhD in Physics from University of Aston in Birmingham. Following this, he was a Professor at the Indian Institute of Science in Bangalore between 2007 and 2016. His research interests focus predominantly on imaging and signal processing with special emphasis on optics and tomography. Professor Vasu has contributed to numerous publications and is currently a consultant for the Defence R&D Project granted to IISc. Debasish Roy obtained his PhD from the Indian Institute of Science followed by a followed by post-doctoral research at the University of Innsbruck, Austria. His research areas include computational mechanics of non-classical continua, stochastic dynamical systems and optimization and inverse problems and has published numerous works on these topics. He is currently a Professor at the Computational Mechanics Laboratory at the Indian Institute of Science, Bangalore.Title from PDF title page (viewed on January 16, 2019).

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Publisher

: .,

Collation

1 online resource (various pagings) :illustrations (chiefly color).

Language

English

ISBN/ISSN

9780750317504

Classification

532

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Edition

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Subject(s)

Optical physics.
SCIENCE / Physics / Optics & Light.
Soft condensed matter
Ultrasonic imaging.

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Statement of Responsibility

Ram Mohan Vasu and Debasish Roy.

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