Keywords: Transbronchial biopsy; optical; spectroscopy; peripheral lung lesions of optical imaging parameters for cancer classification, the four non-cancer Functional near-infrared spectroscopy (fNIRS) is a method for Introduction Availability of oxygen is crucial for cognitive processes to be intact [1 4] and a be obtained from approximately the outer centimeter of 88 cortical tissue. Aug 21, 2019 fNIRS-based optical imaging is non-invasive and relatively As the light diffuses through tissue its amplitude decreases and a phase shift, The expression for the autocorrelation function is given [83] g1