Fig. 2
From: Radio Frequency MRI coils and safety: how infrared thermography can support quality assurance

Visible and IR images of MRI coils: a IR image of 3.0 T MRI head coil, in which are highlighted the three ROIs used in temperature trend evaluation. b Visible image of 3.0 T MRI head coil. c IR image of 3.0 T MRI body coil and the three ROIs for temperature assessment. d Visible image of 3.0 T MRI body coil