## 3 Results and Discussion
### Quantitative Analysis of Biospeckle Activity
\begin{table}
\begin{tabular}{c c c c c c c c c c} \hline \hline \multirow{2}{*}{**Activity**} & \multicolumn{2}{c}{**F0**} & \multicolumn{2}{c}{**F24**} & \multicolumn{2}{c}{**F72**} \\ \cline{2-10}  & **Mean** & **Median** & **Mean Rank** & **Mean** & **Median** & **Mean Rank** & **Mean** & **Median** & **Mean Rank** \\ \hline \multicolumn{10}{c}{ROI of 5 \(\times\) 5 pixels} \\ \hline AVD & 2.100 & 2.056 & 12.571 \({}^{\text{a}}\) & 3.193 & 2.347 & 18.286 \({}^{\text{a}}\) & 10.614 & 6.491 & 33.643 \({}^{\text{b}}\) \\ IM & 12.306 & 8.422 & 12.357 \({}^{\text{a}}\) & 34.804 & 12.913 & 18.786 \({}^{\text{a}}\) & 430.228 & 96.285 & 33.357 \({}^{\text{b}}\) \\ RVD & \(-\)0.028 & \(-\)0.020 & 21.071 \({}^{\text{a}}\) & 0.009 & \(-\)0.055 & 20.929 \({}^{\text{a}}\) & 0.011 & \(-\)0.004 & 22.500 \({}^{\text{a}}\) \\ NAD & 0.010 & 0.009 & 13.000 \({}^{\text{a}}\) & 0.013 & 0.011 & 17.714 \({}^{\text{a}}\) & 0.043 & 0.030 & 33.786 \({}^{\text{b}}\) \\ BAI & 0.008 & 0.005 & 9.429 \({}^{\text{a}}\) & 0.025 & 0.026 & 19.929 \({}^{\text{b}}\) & 0.072 & 0.068 & 35.143 \({}^{\text{c}}\) \\ \hline \multicolumn{10}{c}{ROI of 9 \(\times\) 9 pixels} \\ \hline AVD & 1.947 & 2.024 & 12.643 \({}^{\text{a}}\) & 2.987 & 2.268 & 18.143 \({}^{\text{a}}\) & 9.821 & 6.241 & 33.714 \({}^{\text{b}}\) \\ IM & 10.312 & 8.197 & 12.286 \({}^{\text{a}}\) & 30.042 & 12.390 & 18.714 \({}^{\text{a}}\) & 358.510 & 87.934 & 33.500 \({}^{\text{b}}\) \\ RVD & \(-\)0.018 & \(-\)0.004 & 20.214 \({}^{\text{a}}\) & 0.010 & \(-\)0.024 & 21.000 \({}^{\text{a}}\) & 0.026 & 0.008 & 23.286 \({}^{\text{a}}\) \\ NAD & 0.010 & 0.009 & 12.929 \({}^{\text{a}}\) & 0.014 & 0.012 & 17.857 \({}^{\text{a}}\) & 0.043 & 0.033 & 33.714 \({}^{\text{b}}\) \\ BAI & 0.008 & 0.005 & 9.143 \({}^{\text{a}}\) & 0.023 & 0.019 & 20.071 \({}^{\text{b}}\) & 0.081 & 0.075 & 35.286 \({}^{\text{c}}\) \\ \hline \multicolumn{10}{c}{ROI of 13 \(\times\) 13 pixels} \\ \hline AVD & 1.904 & 1.942 & 12.643 \({}^{\text{a}}\) & 2.896 & 2.314 & 18.071 \({}^{\text{a}}\) & 9.267 & 6.156 & 33.786 \({}^{\text{b}}\) \\ IM & 9.805 & 7.743 & 12.286 \({}^{\text{a}}\) & 29.655 & 12.710 & 18.500 \({}^{\text{a}}\) & 320.123 & 84.297 & 33.714 \({}^{\text{b}}\) \\ RVD & \(-\)0.016 & \(-\)0.006 & 19.571 \({}^{\text{a}}\) & 0.009 & \(-\)0.012 & 21.571 \({}^{\text{a}}\) & 0.023 & 0.003 & 23.357 \({}^{\text{a}}\) \\ NAD & 0.010 & 0.010 & 12.786 \({}^{\text{a}}\) & 0.014 & 0.011 & 18.143 \({}^{\text{a}}\) & 0.043 & 0.035 & 33.571 \({}^{\text{b}}\) \\ BAI & 0.007 & 0.005 & 9.214 \({}^{\text{a}}\) & 0.021 & 0.019 & 20.071 \({}^{\text{b}}\) & 0.080 & 0.079 & 35.214 \({}^{\text{c}}\) \\ \hline \multicolumn{10}{c}{ROI of 17 \(\times\) 17 pixels} \\ \hline AVD & 1.832 & 1.884 & 12.429 \({}^{\text{a}}\) & 2.829 & 2.382 & 18.071 \({}^{\text{a}}\) & 8.936 & 6.000 & 34.000 \({}^{\text{b}}\) \\ IM & 9.100 & 7.370 & 12.071 \({}^{\text{a}}\) & 28.217 & 13.226 & 18.714 \({}^{\text{a}}\) & 299.208 & 81.160 & 33.714 \({}^{\text{b}}\) \\ RVD & \(-\)0.013 & \(-\)0.010 & 19.286 \({}^{\text{a}}\) & \(-\)0.003 & \(-\)0.014 & 21.214 \({}^{\text{a}}\) & 0.017 & 0.007 & 24.000 \({}^{\text{a}}\) \\ NAD & 0.010 & 0.010 & 12.000 \({}^{\text{a}}\) & 0.015 & 0.012 & 19.000 \({}^{\text{a}}\) & 0.043 & 0.036 & 33.500 \({}^{\text{b}}\) \\ BAI & 0.007 & 0.004 & 9.429 \({}^{\text{a}}\) & 0.019 & 0.016 & 19.571 \({}^{\text{b}}\) & 0.081 & 0.078 & 35.500 \({}^{\text{c}}\) \\ \hline \multicolumn{10}{c}{ROI of 21 \(\times\) 21 pixels} \\ \hline AVD & 1.796 & 1.832 & 12.429 \({}^{\text{a}}\) & 2.802 & 2.460 & 18.214 \({}^{\text{a}}\) & 8.515 & 5.854 & 33.857 \({}^{\text{b}}\) \\ IM & 8.768 & 7.012 & 12.000 \({}^{\text{a}}\) & 30.337 & 13.852 & 18.571 \({}^{\text{a}}\) & 272.390 & 77.266 & 33.929 \({}^{\text{b}}\) \\ RVD & \(-\)0.008 & \(-\)0.003 & 19.429 \({}^{\text{a}}\) & \(-\)0.006 & \(-\)0.011 & 1 This observation confirms the high sensitivity of this indicator to the presence of disruptions in pixel intensities [40], and at the same time indicates local changes in biospeckle activity of fruits.