Fig. 12

a Distribution of minimum hold cross-correlation coefficients of sample (1) with 50-ms intervals, when the cross-correlation coefficient threshold is set at 0.7, and b PI image of the sample at the end of the HIFU exposure
a Distribution of minimum hold cross-correlation coefficients of sample (1) with 50-ms intervals, when the cross-correlation coefficient threshold is set at 0.7, and b PI image of the sample at the end of the HIFU exposure