均方差图象匹配系统的局部精度
The Local Accuracy of Mean-Square Difference Image Matching System
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摘要: 本文用均方可微的二维齐次高斯随机场模型描述图象信号和噪声.在信号和噪声相互独 立且噪声的数学期望为零等条件下,证明了均方差图象匹配系统的三个重要性质,导出了均方 差匹配系统局部精度的解析表达式,为系统的精度分析和计算提供了理论和应用基础.Abstract: In this paper, the image signal and noise are described by models of mean-square differentiable two-dimensional homogeneous Gaussian random field. Under the conditions that signal and noise are independent and the mathematical expectation of noise is zero, the three important properties of the mean-square difference image matching system are proved. The analytical expressions of local accuracy for the meansquare difference matching system are derived. The theory and application basis are provided for accuracy analysis and evaluation of a system.
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