“…When developing our project since 2016 [9] , [10] , [11] , [12] the state-of-the-art technology did not report imaging devices for endoscopic thermography. A commercial device was more recently introduced, i.e., the thermal boroscope Vividia [13] (by Oasis Scientific), which has a flexible arm with diameter of 17mm or 18.5mm mounting LWIR sensors of 80x60 or 160x120 pixel, respectively.…”