[HTML][HTML] Insights into photoacoustic speckle and applications in tumor characterization

E Hysi, MN Fadhel, MJ Moore, J Zalev, EM Strohm… - Photoacoustics, 2019 - Elsevier
In ultrasound imaging, fully-developed speckle arises from the spatiotemporal superposition
of pressure waves backscattered by randomly distributed scatterers. Speckle appearance is …

In silico evaluation of the effect of sensor directivity on photoacoustic tomography imaging

P Warbal, RK Saha - Optik, 2022 - Elsevier
The effect of sensor directivity on photoacoustic tomography (PAT) image reconstruction is
examined. An analytical expression for the resultant PA signal, when emitted by an …

[HTML][HTML] Photoacoustic tomography with a model-based approach involving realistic detector properties

P Warbal, RK Saha - Results in Optics, 2023 - Elsevier
A computational and experimental study is conducted to examine how directivity associated
with a finite aperture sensor affects photoacoustic tomography (PAT) image reconstruction …

Experimental Evaluation of Sensor Directivity Using Isotropic Total Variation Minimization in Photoacoustic Tomography

S Mondal, P Warbal, S Paul… - 2023 IEEE International …, 2023 - ieeexplore.ieee.org
Single-element transducers with circular scanning geometry are widely used in
photoacoustic (PA) tomography. The finite aperture of transducers introduce banding …

[PDF][PDF] Results in Optics

P Warbal, RK Saha - profile.iiita.ac.in
ABSTRACT A computational and experimental study is conducted to examine how directivity
associated with a finite aperture sensor affects photoacoustic tomography (PAT) image …

Assessing role of sensor directivity in the photoacoustic tomography

P Warbal, RK Saha - 2022 Conference on Lasers and Electro …, 2022 - ieeexplore.ieee.org
Sensor directivity in photoacoustic tomography (PAT) imaging is investigated. The
photoacoustic (PA) signals with directivity effect were used to construct the system matrix …

[PDF][PDF] On The Development Of Photoacoustic Imaging Biomarkers For Cancer Treatment Monitoring

E Hysi - 2020 - rshare.library.torontomu.ca
This dissertation describes the development of functional and structural photoacoustic (PA)
imaging biomarkers that can be used to monitor cancer treatment response and potentially …

[PDF][PDF] Optik-International Journal for Light and Electron Optics

P Warbal, RK Saha - Optik-International Journal for Light and …, 2022 - profile.iiita.ac.in
The effect of sensor directivity on photoacoustic tomography (PAT) image reconstruction is
examined. An analytical expression for the resultant PA signal, when emitted by an …