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结合模糊理论的动态匹配脱机签名鉴定研究

DOI: 10.11834/jig.20080123

Keywords: 关键词:脱机签名鉴定,投影特征,动态规划,模糊理论

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Abstract:

摘要:为快速并准确地进行脱机签名鉴定,提出了一种结合模糊理论建立动态匹配目标函数用于鉴定的新方案。鉴于签名图像具有投影特征提取简单的特点,该方案通过选择合适的隶属度函数,归纳出动态匹配所必需的目标函数式,并给出了相应的求解方法。同时还根据实验结果讨论了新方案中参考样本的选择和判别阈值对鉴定结果的影响,并与其他方案的实验结果进行了比较,结果表明,该方案是有效的。

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