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List of works by Alessandro Ramalli

256-element density-tapered spiral matrices for ultrasound phased imaging

2D Ultrasound Sparse Arrays Multi-Depth Radiation Optimization Using Simulated Annealing and Spiral-Array Inspired Energy Functions

scientific article published on 24 August 2016

2D and 3D Palmprint Extraction by an Automated Ultrasound System

3-D Coherent Multitransducer Ultrasound Imaging With Sparse Spiral Arrays

3-D Super-Resolution Ultrasound Imaging Using a 2-D Sparse Array with High Volumetric Imaging Rate

3-D Super-Resolution Ultrasound Imaging With a 2-D Sparse Array

scientific article published on 25 September 2019

3D Ultrasound Palmprint recognition system based on a mechanically tilted linear probe

A 256-Element Spiral CMUT Array with Integrated Analog Front End and Transmit Beamforming Circuits

A 3D packaging technology for acoustically optimized integration of 2D CMUT arrays and front end circuits

A Comparison of Coherence-Based Beamforming Techniques in High-Frame-Rate Ultrasound Imaging With Multi-Line Transmission

scientific article published on 03 October 2019

A Direct Measurement of Inter-Element Cross-Talk in Ultrasound Arrays

A high performance board for acquisition of 64-channel ultrasound RF data

A multiparametric approach integrating vessel diameter, wall shear rate and physiologic signals for optimized Flow Mediated Dilation studies

A new method for 2D-vector blood flow imaging based on unconventional beamforming techniques

A novel 2D speckle tracking method for high frame rate echocardiography

scientific article published on 03 April 2020

A real-time beamformer for high frame rate ultrasound imaging

A real-time chirp-coded imaging system with tissue attenuation compensation.

scientific article published on 23 February 2015

A reconfigurable and programmable FPGA-based system for nonstandard ultrasound methods

scientific article published on July 2012

Adaptive beamforming for ultrasonic phased array focusing through layered structures

An Experimental Protocol for Assessing the Performance of New Ultrasound Probes Based on CMUT Technology in Application to Brain Imaging.

scientific article published on 24 September 2017

An Improved Ultrasound System for Biometric Recognition Based on Hand Geometry and Palmprint

An Open Real-Time Photoacoustic Imaging Scanner

An enhanced ultrasound technique for 3D palmprint recognition

An integrated system for the evaluation of flow Mediated Dilation

article published in 2014

Architecture for an Ultrasound Advanced Open Platform With an Arbitrary Number of Independent Channels

Architecture of an Ultrasound System for Continuous Real-Time High Frame Rate Imaging

scientific article

Arterial wall shear rate response to reactive hyperaemia is markedly different between young and older humans

scientific article published on 15 July 2019

Bi-plane imaging for a robust assessment of Flow Mediated Dilation

Blood-flow volume estimation with bi-plane imaging

Brachial artery vasodilatory response and wall shear rate determined by multi-gate Doppler in a healthy young cohort.

scientific article published on 21 September 2017

Coded Excitation for Crosstalk Suppression in Multi-line Transmit Beamforming: Simulation Study and Experimental Validation

Coded Spectral Doppler Imaging: From Simulation to Real-Time Processing

scientific article published on 26 May 2016

Coherent Multi-Transducer Ultrasound Imaging: first in vivo results

Comparative Assessment of Plane Wave Imaging with 256-element CMUT and Single Crystal Probes

Continuous Simultaneous Recording of Brachial Artery Distension and Wall Shear Rate: A New Boost for Flow-Mediated Vasodilation

scientific article published on 24 December 2018

Density-tapered spiral arrays for ultrasound 3-D imaging.

scientific article published in August 2015

Design of a multiple-rail high-voltage power supply for ultrasound scanners

Design of a sparse ellipsoidal array for volumetric ultrasound imaging of the prostate

Design, Implementation, and Medical Applications of 2-D Ultrasound Sparse Arrays

Effects of Coherence-Based Beamforming on Breast Ultrasound Elastograms

Enhanced ultrasound harmonic imaging using the filtered-delay multiply and sum beamformer

Enhanced ultrasound harmonic imaging using the filtered-delay multiply and sum beamformer

Experimental demonstration of the coherent use of two sparse arrays for 3-D imaging

Experimental evaluation of ultrasound higher-order harmonic imaging with Filtered-Delay Multiply And Sum (F-DMAS) non-linear beamforming.

scientific article published on 4 January 2018

Experimental validation of a novel technique for ultrasound imaging of cardiac fiber orientation

Extension of Coherent Multi-Transducer Ultrasound Imaging with Diverging Waves

FPGA-Based Multi Cycle Parallel Architecture for Real-Time Processing in Ultrasound Applications

Feasibility of 3-D Coherent Multi-Transducer Ultrasound Imaging with Two Sparse Arrays

Filter optimization and artifacts estimation for orthogonal frequency division multiplexing with multi line transmission in ultrasound imaging

Fourier domain and high frame rate based elastography for breast nodules investigation

Frequency-domain high frame-rate 2D vector flow imaging

Frequency-domain-based strain estimation and high-frame-rate imaging for quasi-static elastography.

scientific article published in April 2012

Fundamental and second-harmonic ultrasound field computation of inhomogeneous nonlinear medium with a generalized angular spectrum method

scientific article published in July 2011

High Frame Rate Volumetric Imaging of Microbubbles Using a Sparse Array and Spatial Coherence Beamforming

High Frame-Rate Imaging Applied to Quasi-static Elastography

High Frame-Rate, High Resolution Ultrasound Imaging With Multi-Line Transmission and Filtered-Delay Multiply And Sum Beamforming

scientific article published on 4 October 2016

High dynamic range ultrasound imaging with real-time filtered-delay multiply and sum beamforming

High frame rate color Doppler echocardiography: a quantitative comparison of different approaches

scientific article published on 06 December 2019

High frame rate color Doppler to measure intraventricular pressure gradients

High frame rate speckle tracking algorithm towards a real-time implementation

High frame rate, wide-angle Tissue Doppler Imaging in real-time

High frame rate, wide-angle tissue Doppler imaging in real-time

High pulse repetition frequency vector Doppler velocity measurements

High pulse repetition frequency vector doppler velocity measurements

High-Frame-Rate 3-D Vector Flow Imaging in the Frequency Domain

High-Frame-Rate Coherence Imaging of the Heart with Ultrasound Diverging Waves

High-Frame-Rate Speckle Tracking for Echocardiographic Stress Testing

High-Frame-Rate Tri-Plane Echocardiography With Spiral Arrays: From Simulation to Real-Time Implementation

scientific article published on 11 September 2019

High-frame-rate 2-D vector blood flow imaging in the frequency domain

scientific article published in September 2014

High-frame-rate color flow imaging with enhanced spatial resolution in virtual real-time

Impact of Aperture, Depth, and Acoustic Clutter on the Performance of Coherent Multi-Transducer Ultrasound Imaging

Implementation of color-flow plane-wave imaging in real-time

Implementation of non standard methods with the Ultrasound Advanced Open Platform (ULA-OP)

scholarly article published October 2011

Improved High Frame Rate Speckle Tracking for Echocardiography

Improved Tracking Performance in High Frame Rate Imaging Using Iterative Phase Tracking

Improved Wall Shear Rate method for robust measurements

Improved array beam steering by compensation of inter-element cross-talk

Improved lateral resolution and contrast in ultrasound imaging using a sidelobe masking technique

scholarly article published September 2014

Improved resolution and crosstalk rejection in Multi-Line Transmit ultrasound imaging using Delay Multiply and Sum beamforming

Improving the Detectability of Highly Coherent Targets in Short-Lag Spatial Coherence Images with Multi-Line Transmission

Improving the Quality of Monostatic Synthetic-Aperture Ultrasound Imaging Through Deep-Learning-Based Beamforming

In vitro and in vivo tissue harmonic images obtained with parallel transmit beamforming by means of orthogonal frequency division multiplexing

scientific article published in January 2015

In-Vivo Comparison of Multiline Transmission and Diverging Wave Imaging for High Frame Rate Speckle Tracking Echocardiography

scientific article published on 10 November 2020

Iterative 2D Tissue Motion Tracking in Ultrafast Ultrasound Imaging

Low complexity adaptive beamforming with multi line transmit cardiac ultrasound

Lowering the Computational Load in High Frame Rate 2-D Vector Flow Imaging

Lung Ultrasound Artifacts Interpreted as Pathology Footprints

Multi transmit beams for fast cardiac imaging towards clinical routine

Multi-channel Raw-Data Acquisition for Ultrasound Research

Multi-focus tissue harmonic images obtained with parallel transmit beamforming by means of orthogonal frequency division multiplexing

Multi-line measurements of blood velocity vectors in real-time

Multi-transmit beam forming for fast cardiac imaging--experimental validation and in vivo application

scientific article published on June 2014

Multiline Transmit Beamforming Combined With Adaptive Apodization

scientific article published on 01 April 2018

Next-generation ultrasound research scanners design

Nonlinear ultrasound imaging experiments using a CMUT probe

On the Depth-Dependent Accuracy of Plane-Wave-Based Vector Velocity Measurements With Linear Arrays

Open Platforms for the Advancement of Ultrasound Research

Optimization of transducer distribution and transmit sequence in coherent-multi transducer ultrasound (CoMTUS) imaging

Orthogonal Frequency Division Multiplexing Combined with Multi Line Transmission for Ultrafast Ultrasound Imaging: Experimental Findings

Performance of F-DMAS beamforming with adjustable maximum spatial lag in multi-line transmission ultrasound imaging

Performance of Ultrasound Vector Velocity Measurement at Great Depths

Plane-wave based vector flow imaging: Beamforming and velocity estimation loads in different processing scenarios

Plane-wave based vector flow imaging: Beamforming and velocity estimation loads in different processing scenarios

Plane-wave transverse oscillation for high-frame-rate 2-D vector flow imaging

scientific article published in December 2015

Prototype 3D Real-Time Imaging System Based on a Sparse PZT Spiral Array

Pulse Compression: From Radar to Real-Time Ultrasound Systems

Quantitative Microvessel Analysis with 3-D Super-Resolution Ultrasound and Velocity Mapping

Quasi-static elastography based on high frame-rate imaging and frequency domain displacement estimation

Real-Time 3-D Spectral Doppler Analysis With a Sparse Spiral Array

Real-Time Blood Velocity Vector Measurement Over a 2-D Region.

scientific article published in February 2018

Real-Time High-Frame-Rate Cardiac B-Mode and Tissue Doppler Imaging Based on Multiline Transmission and Multiline Acquisition

scientific article published on 10 September 2018

Real-Time Ultrasound Open Platform with an Extendable Number of Channels

Real-time base-band pulse compression imaging

Real-time implementation of a novel algorithm for ultrasound freehand elastography of breast lesions

Real-time multi-line vector Doppler system based on layered array beams

Real-time multi-line vector doppler system based on layered array beams

Real-time pulse compression in multigate spectral Doppler imaging

Requirements and Hardware Limitations of High-Frame-Rate 3-D Ultrasound Imaging Systems

scientific article published in 2022

Safety of fast cardiac imaging using multiple transmit beams: Experimental verification

Sequence optimization for high frame rate imaging with a convex array

Simulation of ultrasound nonlinear propagation on GPU using a generalized angular spectrum method

Singular Value Decomposition Filtering for High Frame Rate Speckle Tracking Echocardiography

Sparse 2-D PZT-on-PCB Arrays With Density Tapering

Sparse Volumetric PZT Array with Density Tapering

Spatial Coherence Based Beamforming in Multi-Line Transmit Echocardiography

Spatial Coherence Beamforming With Multi-Line Transmission to Enhance the Contrast of Coherent Structures in Ultrasound Images Degraded by Acoustic Clutter

Spatial Coherence of Backscattered Signals in Multi-Line Transmit Ultrasound Imaging and Its Effect on Short-Lag Filtered-Delay Multiply and Sum Beamforming

Specific Delay Multiply and Sum Beamforming for 2-D and 3-D Coherent Multi-Transducer Ultrasound imaging

Spectral Doppler Measurements With 2-D Sparse Arrays

scientific article published on 26 September 2019

Spectral Doppler Measurements with 2-D Sparse Arrays

Spectral Doppler analysis with sparse and full 2-D arrays

Speed-up of acoustic simulation techniques for 2D sparse array optimization by simulated annealing

Spiral array inspired multi-depth cost function for 2D sparse array optimization

Synthetic transmit beams with multi-line and diverging wave transmission for real-time, high frame rate, low-artefact tissue Doppler imaging

The Effect of Different Coherence-Based Beamforming Techniques on the Accuracy of High Frame Rate Speckle Tracking Echocardiography

Tissue harmonic images obtained with parallel transmit beamforming by means of orthogonal frequency division multiplexing

Toward the Real Time Implementation of the 2-D Frequency-Domain Vector Doppler Method

Towards multi-probe high frame rate volumetric vector Doppler imaging: a feasibility study

Towards real-time magnetomotive ultrasound imaging

Towards real-time magnetomotive ultrasound imaging

Transcranial Detection of Small Foreign Objects Lodged in the Brain using Ultrasonic Phased Arrays with Adaptive Beamforming

Tri-Plane Cardiac Imaging Using Multi-Line Transmission on a Spiral Array: A Feasibility Study

ULA-OP 256: A 256-Channel Open Scanner for Development and Real-Time Implementation of New Ultrasound Methods

scientific article published on 11 May 2016

ULA-OP 256: A portable high-performance research scanner

ULA-OP: A Fully Open Ultrasound Imaging/Doppler System

Ultrasound B-Mode Imaging: Beamforming and Image Formation Techniques

Ultrasound Imaging of Cardiac Fiber Orientation: What are We Looking at?

Ultrasound Research Platforms

Unfocused Field Analysis of a Density-Tapered Spiral Array for High-Volume-Rate 3-D Ultrasound Imaging

Validation of a Doppler method for peak blood velocity detection in a CFD-simulated carotid model

Validation of novel biomarkers to assess cardiac diastolic function extracted using a high frame rate speckle tracking algorithm

Validation of optimal 2D sparse arrays in focused mode: Phantom experiments

Validation of optimal 2D sparse arrays in focused mode: Phantom experiments

Wall Shear Rate Measurement: Validation of a New Method through Multi-Physics Simulations

scientific article published on 12 September 2016

Wall Shear Rate method validation through multi-physics simulations

Weighting the Passive Acoustic Mapping Technique with the Phase Coherence Factor for Passive Ultrasound Imaging of Ultrasound-Induced Cavitation

scientific article published on 24 September 2018

Wide 3D ultrasound palmprint for biometric recognition

Wide-Angle Tissue Doppler Imaging at High Frame Rate Using Multi-Line Transmit Beamforming: An Experimental Validation In Vivo

scientific article published on 18 September 2015

Wide-angle tissue Doppler imaging at high frame rate using multi-line transmit beamforming: An in-vivo pilot study

Wideband 2-D Array Design Optimization With Fabrication Constraints for 3-D US Imaging

scientific article published on 01 January 2017