Sub-pixel edge detection based on spline interpolation of D2 and LOG operator

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作者：
Li, Yan
Pang, Jiaxiong
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来源：
Huazhong Ligong Daxue Xuebao/Journal Huazhong (Central China) University of Science and Technology | 2000年 / 28卷 / 03期
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摘要：
An approach to sub-pixel edge detection is presented based on spline interpolation and LOG operator. The interested area of the picture is interpolated using spline of D2 with accuracy of 1/n to produce the sub-pixel image. The algorithm is separable in rows and columns. The LOG operators with different sizes are convoluted with the subpixel image to generate edge pictures. The sub-pixel edges are obtained by conjugation.
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页码：77 / 79
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