From: Effect of zooming on texture features of ultrasonic images
Histogram features | Magnification | Feature value (median, interquartile range) | Difference with original (x1) image % | p |
---|---|---|---|---|
PPCS1 | Zoomed | 14.56, 9.63–29.23 | ||
Unzoomed | 14.09, 9.07–29.07 | -3.22 | 0.679 | |
BLI | 13.26, 9.98–24.53 | -8.97 | 0.811 | |
BLC | 17.36, 10.52–29.46 | 19.24 | 0.215 | |
PPCS2 | Zoomed | 12.84, 8.96–18.60 | ||
Unzoomed | 13.07, 7.91–17.01 | 1.84 | 0.022 | |
BLI | 13.04, 8.93–16.14 | 1.56 | 0.286 | |
BLC | 13.48, 7.66–16.28 | 5.03 | 0.17 | |
PPCS3 | Zoomed | 12.24, 9.54–14.75 | ||
Unzoomed | 11.58, 9.26–14.06 | -5.38 | 0.012 | |
BLI | 11.43, 9.45–13.81 | -6.59 | 0.031 | |
BLC | 12.32, 8.62–14.75 | 0.67 | 0.215 | |
PPCS4 | Zoomed | 10.10, 7.97–11.71 | ||
Unzoomed | 11.02, 7.93–13.52 | 9.15 | 0.396 | |
BLI | 11.00, 7.74–13.29 | 8.88 | 0.472 | |
BLC | 10.76, 8.64–12.90 | 6.52 | 0.248 | |
PPCS5 | Zoomed | 8.14, 6.27–11.00 | ||
Unzoomed | 8.45, 6.17–11.01 | 3.77 | 0.879 | |
BLI | 8.40, 7.00–10.98 | 3.21 | 0.396 | |
BLC | 7.59, 6.74–11.08 | -6.79 | 0.879 | |
PP < 30 | Zoomed | 44.10, 32.33–59.75 | ||
Unzoomed | 42.43, 29.35–58.38 | -3.78 | 0.071 | |
BLI | 38.91, 30.26–57.52 | -11.77 | 0.248 | |
BLC | 43.82, 27.97–61.06 | -0.64 | 0.948 | |
PP < 50 | Zoomed | 67.20, 51.71–75.61 | ||
Unzoomed | 66.06, 50.39–74.18 | -1.69 | 0.071 | |
BLI | 66.23, 52.45–75.02 | -1.44 | 0.306 | |
BLC | 67.22, 50.10–76.80 | 0.03 | 0.5 |