Development of novel ultrasound techniques for imaging and elastography : : from simulation to real-time implementation / / Alessandro Ramalli.

• Superior document: Premio Tesi di dottorato
• VerfasserIn: Ramalli, Alessandro, 1983-
• Place / Publishing House: Firenze, Italy : : Firenze University Press,, [2013]; ©2013
• Year of Publication: 2013
• Language: English
• Series: Premio Tesi di dottorato.
• Physical Description: 1 online resource (119 pages) :; illustrations.

Ultrasound techniques offer many advantages, in terms of ease of realization and patients' safety. The availability of suitable hardware and software tools is condicio sine qua non for new methods testing. This PhD project addresses medical ultrasound signal processing and seeks to achieve two...

Table of Contents

• Introduction
• Contributions
• 1. Ultrasound Basics
• 1.1. Ultrasound propagation
• 1.2. Transducers and probes
• 1.3. Echo-signal elaboration
• 1.4. Open issues in ultrasound investigation
• 2. ULA-OP
• 2.1. Introduction
• 2.2. System description
• 2.3. Examples of non-standard application
• 2.4. High Frame Rate Imaging
• 2.5. Expansion capabilities and future work
• 3. Novel Ultrasound Simulation Methods
• 3.1. Field simulation in homogeneous linear media: Simag
• 3.2. Field simulation in nonlinear media: GASM
• 4. A Novel Ultrasound Experimental Method: Frequency Domain Elastography
• 4.1. Introduction
• 4.2. Methods
• 4.3. Computational cost analysis and reduction
• 4.4. Computer-guided compression experiments
• 4.5. Freehand compression experiments
• 4.6. Real-time implementation
• 4.7. Discussion and conclusion
• 5. Novel Ultrasound Experimental Methods: Work in Progress
• 5.1. 2D HFR color vector Doppler
• 5.2. Adaptive beamforming through layered structures
• 5.3. Pulse compression
• 6. Conclusion
• Bibliography.