A spectrum-domain method, called full-matrix phase shift migration (FM-PSM), is presented
for transcranial ultrasound phase correction and imaging with ideal synthetic aperture …

An efficient Fourier beamformation algorithm is presented for multistatic synthetic aperture
ultrasound imaging using virtual sources. The concept is based on the frequency domain …

In this work, a circular statistics vector (CSV) weighting Fourier domain (FD) beamforming for
ultrasound plane-wave images was proposed to achieve better image quality with a high …

This study proposes a novel modified sign coherence factor (SCF) weighting adapted to the
frequency-domain (FD) beamforming for ultrasound plane-wave imaging to achieve a high …

With the continuous development of computer technology and the deepening of
mathematical theory research, the combination of mathematics and computer pattern …

This paper aims to adopt the total focusing method (TFM) and wavenumber method for
characterizing a delamination in ballastless slab track. Twelve dry point contact (DPC) …

Coherent pixel-based beamforming has been developed for generating uniform high-
resolution ultrasound images. It is based on the conventional architecture of ultrasonic …

Conventional medical ultrasound systems utilizing focus-beam imaging generally acquire
multi-channel echoes at frequencies in tens of megahertz after each transmission, resulting …

Ultrasonic signals at frequencies below 1 MHz have been used for the NDE of thick polymer
samples. Coded signals such as chirps and bipolar Golay codes, together with pulse …

Wavenumber imaging with Green's function reconstruction of ultrasonic diffuse fields is used
to realize fast imaging of near-surface defects in rails. Ultrasonic phased array has been …