205 citations · 702 across the 19 of their papers we have counts for
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Eigenspace-Based Minimum Variance Combined with Delay Multiply and Sum Beamformer: Application to Linear-Array Photoacoustic Imaging
Moein Mozaffarzadeh, Ali Mahloojifar, Vijitha Periyasamy +2
In Photoacoustic imaging, Delay-and-Sum (DAS) algorithm is the most commonly used beamformer. However, it leads to a low resolution and high level of sidelobes. Delay-Multiply-and-…
An Efficient Nonlinear Beamformer Based on P^{th} Root of Detected Signals for Linear-Array Photoacoustic Tomography: Application to Sentinel Lymph Node Imaging
Moein Mozaffarzadeh, Vijitha Periyasamy, Manojit Pramanik +1
In linear-array transducer based photoacoustic (PA) imaging, B-scan PA images are formed using the raw channel PA signals. Delay-and-Sum (DAS) is the most prevalent algorithm due t…
An Image Registration Based Technique for Noninvasive Vascular Elastography
Sina Valizadeh, Bahador Makkiabadi, Alireza Mirbagheri +4
Non-invasive vascular elastography is an emerging technique in vascular tissue imaging. During the past decades, several techniques have been suggested to estimate the tissue elast…
Effects of Important Parameters Variations on Computing Eigenspace-Based Minimum Variance Weights for Ultrasound Tissue Harmonic Imaging
Mehdi Haji Heidari, Moein Mozaffarzadeh, Rayyan Manwar +1
In recent years, the minimum variance (MV) beamforming has been widely studied due to its high resolution and contrast in B-mode Ultrasound imaging (USI). However, the performance…
Model-Based Photoacoustic Image Reconstruction using Compressed Sensing and Smoothed L0 Norm
Moein Mozaffarzadeh, Ali Mahloojifar, Mohammadreza Nasiriavanaki +1
Photoacoustic imaging (PAI) is a novel medical imaging modality that uses the advantages of the spatial resolution of ultrasound imaging and the high contrast of pure optical imagi…
Three-Dimensional Photoacoustic Tomography using Delay Multiply and Sum Beamforming Algorithm
Roya Paridar, Moein Mozaffarzadeh, Ali Mahloojifar +2
Photoacoustic imaging (PAI), is a promising medical imaging technique that provides the high contrast of the optical imaging and the resolution of ultrasound (US) imaging. Among al…
Photoacoustic Image Formation Based on Sparse Regularization of Minimum Variance Beamformer
Roya Paridar, Moein Mozaffarzadeh, Mohammad Mehrmohammadi +1
Delay-and-Sum (DAS) is the most common algorithm used in photoacoustic (PA) image formation. However, this algorithm results in a reconstructed image with a wide mainlobe and high…
Double Minimum Variance Beamforming Method to Enhance Photoacoustic Imaging
Roya Paridar, Moein Mozaffarzadeh, Mohammadreza Nasiriavanaki +1
One of the common algorithms used to reconstruct photoacoustic (PA) images is the non-adaptive Delay-and-Sum (DAS) beamformer. However, the quality of the reconstructed PA images o…
Double-Stage Delay Multiply and Sum Beamforming Algorithm: Application to Linear-Array Photoacoustic Imaging
Moein Mozaffarzadeh, Ali Mahloojifar, Mahdi Orooji +2
Photoacoustic imaging (PAI) is an emerging medical imaging modality capable of providing high spatial resolution of Ultrasound (US) imaging and high contrast of optical imaging. De…
Medical Photoacoustic Beamforming Using Minimum Variance-Based Delay Multiply and Sum
Moein Mozaffarzadeh, Ali Mahloojifar, Mahdi Orooji
Delay-and-Sum (DAS) beamformer is the most common beamforming algorithm in Photoacoustic imaging (PAI) due to its simple implementation and real time imaging. However, it provides…
Double Stage Delay Multiply and Sum Beamforming Algorithm Applied to Ultrasound Medical Imaging
Moein Mozaffarzadeh, Masume Sadeghi, Ali Mahloojifar +1
In Ultrasound (US) imaging, Delay and Sum (DAS) is the most common beamformer, but it leads to low quality images. Delay Multiply and Sum (DMAS) was introduced to address this prob…
Image Enhancement and Noise Reduction Using Modified Delay-Multiply-and-Sum Beamformer: Application to Medical Photoacoustic Imaging
Moein Mozaffarzadeh, Ali Mahloojifar, Mahdi Orooji
Photoacoustic imaging (PAI) is an emerging biomedical imaging modality capable of providing both high contrast and high resolution of optical and UltraSound (US) imaging. When a sh…