Fig. 1

Comparison of methods to detect the regions of interest (ROIs) of brown adipose tissue (BAT). a An infrared (IR) thermal image of BAT over the cervical–supraclavicular (C-SCV) region, b the BAT ROI as determined applying the modified seeded region growing (SRG) algorithm in the current study, c BAT ROI determined using the threshold segmentation technique, d a digital image of the same individual. Color figure online