Speckle provides a signature related to the distribution of acoustic scatterers. As tissue deforms, speckle is preserved, making it ideal for tracking. A multi-dimensional speckle tracking algorithm is presented to monitor soft tissue elasticity.
© 2007 OSA
M. O'Donnell, " Extracting Information from Ultrasound Images: Elasticity," in Adaptive Optics: Analysis and Methods/Computational Optical Sensing and Imaging/Information Photonics/Signal Recovery and Synthesis Topical Meetings on CD-ROM, OSA Technical Digest (CD) (Optical Society of America, 2007), paper PTuA6.
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