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[ subject:"Biomedical engineering." ]
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Strain measurement in an ultrasound ...
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Kalkan-Savoy, Ayse.
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Strain measurement in an ultrasound simulation framework.
紀錄類型:
書目-電子資源 : Monograph/item
正題名/作者:
Strain measurement in an ultrasound simulation framework./
作者:
Kalkan-Savoy, Ayse.
面頁冊數:
118 p.
附註:
Source: Dissertation Abstracts International, Volume: 76-09(E), Section: B.
Contained By:
Dissertation Abstracts International76-09B(E).
標題:
Biomedical engineering. -
電子資源:
http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3662797
ISBN:
9781321726848
Strain measurement in an ultrasound simulation framework.
Kalkan-Savoy, Ayse.
Strain measurement in an ultrasound simulation framework.
- 118 p.
Source: Dissertation Abstracts International, Volume: 76-09(E), Section: B.
Thesis (Ph.D.)--University of Massachusetts Lowell, 2015.
This study focuses on the improvement of ultrasound simulation and image data generation and the development of an accurate strain measurement algorithm. An ultrasound simulation is developed modeling a two-dimensional ultrasound imaging system and the media of scatterers. The time domain point spread function that is used to model the imaging system is based on a novel spatial impulse algorithm. The spatial impulse response and the point spread function are parallel algorithms and their computation runs on GPUs. The ultrasound simulation results are generated for an object under stress. A strain measurement algorithm to track clusters of speckles is developed. Following the Lagrangian approach, this algorithm computes the transformation matrix between the initial and deformed states, and it is based on the statistical relation between the coordinates of speckles of each frame rather than the displacement measurement of a small number of speckles in a region of interest using correlation. Because the algorithm does not depend on searching the pattern in the next image of the sequence, larger deformation quantities can be measured accurately.
ISBN: 9781321726848Subjects--Topical Terms:
535387
Biomedical engineering.
Strain measurement in an ultrasound simulation framework.
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