Using the transition matrix method, the relationship between the catastrophic optical damage threshold and the coating structure of semiconductor lasers were analyzed.

采用转换矩阵的处理方法，对大功率半导体激光器腔面光学灾变阈值与膜层结构的关系进行了分析。

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In this paper, we improve the classic cooccurrence matrix using soft threshold and circular cooccurrence matrix.

利用软阈值和循环共生矩阵技术，对经典共生矩阵算法进行了改进。

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It presents a new region growing algorithm with gray level co-occurrence matrix to extract the focus region, the threshold segmentation is applied to improve the edge of segmented region.

为了提取局部感兴趣区域，给出了一种基于灰度层共现矩阵的区域增长算法，分割出病灶区域，再结合迭代阈值算法进行病灶边界的磨合。

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