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Correlation coefficient based template matching: Accounting for uncertainty in selecting the winner

机译:基于相关系数的模板匹配:考虑选择获胜者时的不确定性

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The problem of selecting a template that matches a given candidate signal is applicable across a wide variety of domains. Using the correlation coefficient as the avenue for selecting the winning template is perhaps the most common technique. The challenge lies in selecting the winning template when there is no clear separation between the correlation coefficient values of the winning template and the others. In this paper, we present a simple Dempster-Shafer (DS) theoretic model that enables one to capture the uncertainty regarding the winner selection in correlation coefficient based template matching. The DS theoretic framework provides an avenue to develop the model with few resources and little to no prior knowledge. We validate the model using several numerical examples and a numerical character recognition application where the evidence provided by several sets of templates are combined using a DS theoretic fusion strategy to arrive at a better decision.
机译:选择与给定候选信号匹配的模板的问题适用于多种领域。使用相关系数作为选择获胜模板的途径可能是最常见的技术。挑战在于,当中奖模板的相关系数值与其他模板的相关系数值之间没有明确分隔时,选择中奖模板。在本文中,我们提出了一种简单的Dempster-Shafer(DS)理论模型,该模型可以捕获基于相关系数的模板匹配中优胜者选择的不确定性。 DS理论框架提供了一种以很少的资源和很少甚至没有先验知识来开发模型的途径。我们使用几个数值示例和一个数字字符识别应用程序验证了该模型,在该应用程序中,使用DS理论融合策略将几组模板提供的证据组合在一起,以得出更好的决策。

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