Table 2: The Results of ROI Extraction

Result 8 PixelĂ—8 Pixel Initial Treatment 16 PixelĂ—16 Pixel Further Treatment
Number Percentage/% Number Percentage/%
Moderate ROI 88 66.67 91 68.94
Larger ROI 21 15.91 26 19.70
Failed ROI 23 17.42 15 11.36