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电子学报  2012 

稀疏表示下的非监督显著对象提取

DOI: 10.3969/j.issn.0372-2112.2012.06.005, PP. 1097-1102

Keywords: 时间复杂度,对象局部提取,稀疏表示,渐变模式,边能近似模式

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Abstract:

针对现有显著对象提取算法时间复杂度高和未考虑显著对象的完整性等问题,提出了一种能适应资源有限环境的显著对象提取算法.首先建立了稀疏表示的数学模型,归纳出了显著对象与稀疏表示的对应关系、区域间的边能近似模式和邻接区域间的渐变模式.然后依据对应关系确定候选区域,依据渐变模式和边能近似模式实现显著对象的局部提取.对比实验证实:本文算法高速、精确地捕捉到了显著对象,并能在一定条件下保持显著对象的完整性.

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