Direct and gradient-based average strain estimation by using weighted nearest neighbor cross-correlation peaks

In this paper, two novel approaches, gradientbased and direct strain estimation techniques, are proposed for high-quality average strain imaging incorporating a cost function maximization. Stiffness typically is a continuous function. Consequently, stiffness of proximal tissues is very close to that...

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Vydáno v:	IEEE transactions on ultrasonics, ferroelectrics, and frequency control Ročník 59; číslo 8; s. 1713 - 1728
Hlavní autoři:	Hussain, Mohammad Arafat, Abu Anas, Emran Mohammad, Alam, S. Kaisar, Lee, Soo Yeol, Hasan, Md. Kamrul
Médium:	Journal Article
Jazyk:	angličtina
Vydáno:	New York, NY IEEE 01.08.2012 Institute of Electrical and Electronics Engineers The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Témata:	Acoustic signal processing Acoustics Adult Aged Algorithms Biological and medical sciences Breast Neoplasms - diagnostic imaging Computer Simulation Cost function Displacement Economic models Elasticity Imaging Techniques - instrumentation Elasticity Imaging Techniques - methods Estimation Exact sciences and technology Female Finite element method Fundamental areas of phenomenology (including applications) Humans Image Processing, Computer-Assisted - methods Imaging Investigative techniques, diagnostic techniques (general aspects) Lesions Mathematical models Medical sciences Middle Aged Miscellaneous. Technology Noise Phantoms, Imaging Physics Poisson Distribution Radio frequency Signal-To-Noise Ratio Strain Studies Ultrasonic imaging Ultrasonic investigative techniques Ultrasonography, Mammary Elastic constant Human Gradient High strain Displacement(deformation) Experimental study Radiofrequency Modeling Direct method Finite element method Tissue Time domain method Poisson ratio Cross correlation Breast Medical imagery Mammary gland Lesion Acoustic image Elastography Stretching Signal to noise ratio
ISSN:	0885-3010, 1525-8955, 1525-8955
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