| 基于脊波变换的圆形图像边缘检测 |
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| 引用本文： | 张国华,高俊钗,雷志勇,韩冰.基于脊波变换的圆形图像边缘检测[J].西安工业大学学报,2007,27(1):73-77,82. |
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| 作者姓名： | 张国华 高俊钗 雷志勇 韩冰 |
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| 作者单位： | 西安工业大学数理系 西安710032 |
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| 摘 要： | 批量生产圆形器件过程中,在线检测还缺乏快速算法.本文在脊波变换理论的基础上,利用多尺度小波变换具有去噪、准确定位奇异点和边缘提取等优势,针对圆形图像的特征,给出了一种检测圆形器件内外径的快速算法.实验模拟证明,该算法具有较高的检测精度和可靠性.
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| 关 键 词： | 边缘提取 脊波变换 小波变换 Radon变换 |
| 文章编号： | 1000-5714（2007）01-073-05 |
| 收稿时间： | 2006-08-12 |
| 修稿时间： | 2006-08-12 |
Roundness Image Edge Detection Based on Ridgelet Transform |
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| Authors: | ZHANG Guo-hua GAO Jun-chai LEI Zhi-yong HAN Bing |
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| Abstract: | The authors propose a new rapid algorithm for detecting the internal and external image edges of workpiece roundness.The algorithm takes advantage of the features of roundness image based on the theory of ridgelet transform and multi-scale wavelet transform which has the properties of de-noise, allocating oddity exactly and edge distilling.The simulation experiments show that the algorithm has higher precision and reliability.The implementation of rapid algorithm for checking roundness workpiece online of batch production achieved satisfactory results. |
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| Keywords: | edge detection ridgelet transform wavelet transform Radon transform |
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