Tunable dynamical tissue phantom for laser speckle imaging

Autor: Sarkar, Soumyajit, Murali, K., Varma, Hari M.
Rok vydání: 2024
Předmět:
Druh dokumentu: Working Paper
Popis: We introduce a novel method to design and implement a tunable dynamical tissue phantom for laser speckle-based in-vivo blood flow imaging. This approach relies on Stochastic Differential Equations (SDE) to control a piezoelectric actuator which, upon illuminated with a laser source, generates speckles of pre-defined probability density function and auto-correlation. The validation experiments show that the phantom can generate dynamic speckles that closely replicate both surfaces as well as deep tissue blood flow for a reasonably wide range and accuracy.
Databáze: arXiv