| 基于D2样条插值和LOG算子的亚像素边缘检测 |
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| 引用本文： | 李艳,彭嘉雄.基于D2样条插值和LOG算子的亚像素边缘检测[J].华中科技大学学报(自然科学版),2000,28(3). |
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| 作者姓名： | 李艳 彭嘉雄 |
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| 作者单位： | 华中理工大学图像识别与人工智能研究所 |
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| 基金项目： | 北京大学视觉与听觉信息处理国家重点实验室基金 |
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| 摘 要： | 提出了一种基于 D2 样条插值和 LOG算子的亚像素边缘检测方法 .将被检测的图像块在 1 /2 p精度上行列分离分别进行一维 D2 样条插值 ,得到亚像素图像 ,然后将不同尺度的 LOG算子与之卷积 ,所得边缘图像经过边缘融合后得到亚像素边缘
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| 关 键 词： | 图像识别 边缘检测 亚像素 样条插值 |
Sub-pixel Edge Detection Based on Spline Interpolation of D2 and LOG Operator |
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| Li Yan,Pang Jiaxiong.Sub-pixel Edge Detection Based on Spline Interpolation of D2 and LOG Operator[J].JOURNAL OF HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY.NATURE SCIENCE,2000,28(3). |
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| Authors: | Li Yan Pang Jiaxiong |
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| Institution: | Li Yan Pang Jiaxiong |
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| Abstract: | 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 D 2 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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| Keywords: | image recognition edge detection subpixel spline interpolation |
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