The fractures in different direction, scale and formation era in the zone across the block divide this area into several active blocks with different size and shape.
区内不同方向、规模和形成时代有别的断裂纵横交叉，将川滇地区划分为大小不同、形状各异的活动地块。
Divide the composite image into overlapped blocks and calculate the measure of each block. The forged area can be effectively exposed by checking inconsistencies of blocking artifact.
然后将待检测图像重叠分块并计算其相应块效应测度，利用块效应不一致性检测篡改区域。
In addition we present a new column partition strategy, based on the estimate of column-dependence of each block, to divide the coefficient matrix a.
另外还提出一种新的对系数矩阵a分块的列分解策略，该策略基于每块的列相关性估计而得出。
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