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分析图像阈值分割技术在理论改进与实际应用过程中所面临的瓶颈问题,寻找解决问题的切入点。从提高算法效率的角度,以熵阈值法和Otsu阈值法为例,通过分类对比并结合理论综述,整理发掘出部分和算法研究对于阈值分割技术的作用和意义。与部分和问题相融合,是阈值分割技术未来的研究方向和重点。
Abstract:Image thresholding techniques are analyzed according to the most important part of them,the partial sum algorithm.With two examples,entropic thresholding methods and Otsu's thresholding methods,various partial sum algorithms are introduced from lower to higher dimensions.By their computation strategies,partial sum algorithms are classified to the static and dynamic versions,whose theoretical advances and shortcomings are mentioned.Finally,the key point of the relating problems is drawn up.
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基本信息:
DOI:10.13682/j.issn.2095-6533.2011.03.036
中图分类号:TP391.41
引用信息:
[1]谢勰,王辉,张雪锋.图像阈值分割技术中的部分和算法综述[J].西安邮电学院学报,2011,16(03):1-5+13.DOI:10.13682/j.issn.2095-6533.2011.03.036.
基金信息:
国家自然科学基金资助项目(60572133);; 陕西省教育厅专项科研计划基金资助项目(09JK731,2010JK820);; 西安邮电学院中青年科研基金资助项目(ZL2009-16)