Acoustic Morphology: Elasticity Imaging and Characterization of Heterogeneous Materials
Heterogeneous materials often exhibit spatial variations in structure, mechanical properties, and acoustic response. To characterize such variations, we have been developing imaging and measurement techniques based mainly on ultrasound. This presentation will introduce our recent studies on the visualization and characterization of heterogeneous materials from the surface to the interior. High-frequency ultrasonic imaging is used to obtain acoustic parameters such as sound velocity and attenuation. In elastography and optical coherence tomography (OCT)-based strain imaging, mechanical stimuli are applied to evaluate local mechanical heterogeneity. These approaches are applied to a wide range of heterogeneous materials, including minerals, soils, food materials, and biological tissues. Through these studies, we aim to establish an Acoustic Morphology framework that describes material states and spatial heterogeneity by integrating acoustic, mechanical, and structural information.
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- Carleton University
- 1125 Colonel By Drive
- Ottawa, Ontario
- Canada K1S 5B6
- Building: Mackenzie Building
- Room Number: 4463 ME (MakerLab)
Speakers
Dr. Marie Tabaru of Institute of Science Tokyo
Acoustic Morphology: Elasticity Imaging and Characterization of Heterogeneous Materials
Biography:
Marie Tabaru is an Associate Professor at the Institute of Science Tokyo in Japan. Her research interests include acoustic engineering, signal processing, ultrasonic imaging, elasticity imaging, and the characterization of heterogeneous materials and biological tissues. Her recent work focuses on imaging and evaluating spatial variations in acoustic, mechanical, and structural properties using ultrasound and complementary optical techniques.