| 平面物体在曲面状态下扫描仪图像的校正理论 |
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| 引用本文： | 张全法,梁二军.平面物体在曲面状态下扫描仪图像的校正理论[J].光学技术,2003,29(3):337-340. |
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| 作者姓名： | 张全法 梁二军 |
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| 作者单位： | 郑州大学,物理工程学院,郑州,450052 |
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| 摘 要： | 平面物体在曲面状态下经扫描仪扫描后,其图像将发生复杂的畸变。提出将其分类为灰度畸变、投影畸变和成像畸变。通过理论分析,提出了在二元曲面模型下对投影畸变和成像畸变进行数字校正的方法,给出了对灰度畸变进行数字校正的实用方法。
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| 关 键 词： | 扫描仪 图像畸变 畸变模型 畸变校正 |
| 文章编号： | 1002-1582(2003)03-0334-03 |
| 修稿时间： | 2002年7月23日 |
Theory of distortion correction for scanner image of twisted plane object |
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| Abstract: | The image of plane object that is obtained by scanner in situations that it is twisted to curved surface will be companioned with complicated distortions, which can be classified as gray distortion, projection distortion and imaging distortion. By theoretical analysis, the digital correction methods of projection distortion and imaging distortion are presented for two dimensional curved surface distortion model. The practical method of digital correction of gray distortion is also presented. |
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| Keywords: | image distortion distortion model distortion correction scanner |
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