A new marker-based watershed algorithm

被引:0
|
作者
Gao, H [1 ]
Xue, P [1 ]
Lin, W [1 ]
机构
[1] Nanyang Technol Univ, Sch EEE, Singapore 639798, Singapore
关键词
D O I
暂无
中图分类号
TP18 [人工智能理论];
学科分类号
081104 ; 0812 ; 0835 ; 1405 ;
摘要
The marker-based watershed approach is a very efficient means for image segmentation and has been widely used in recent years. The conventional marker-based algorithms are realized using the hierarchical queues. A new marker-based watershed algorithm based on the disjoint set data structure, is proposed in this paper. It consists of two steps: the flooding step and the resolving step. This algorithm has significantly lower memory requirement as compared with the conventional algorithms while maintaining the computational complexity of O(N) where N is the image size. Experimental results further show that the new algorithm implemented in C language runs much faster than the conventional algorithm based on the hierarchical queues, as a result of savings from huge memory allocation and releasing operations.
引用
收藏
页码:81 / 84
页数:4
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