Research on rectifying distortion in digitization with digital camera based on grids

Computer Engineering and Applications ›› 2007, Vol. 43 ›› Issue (19): 234-236.

• 工程与应用 • Previous Articles Next Articles

Research on rectifying distortion in digitization with digital camera based on grids

GUO Bing-xuan¹，WANG Tie-cheng¹，LIU Bo²

1.State Key Lab. for Information Engineering in Surveying，Mapping and Remote Sensing，Wuhan University，Wuhan 430079，China
2.School of Geosciences and Surveying and Mapping，East China Institute of Technology，Fuzhou，Jiangxi 344000，China

Received:1900-01-01 Revised:1900-01-01 Online:2007-07-01 Published:2007-07-01
Contact: GUO Bing-xuan

基于网格的数码相机数字化纠正几何畸变算法

郭丙轩¹，王铁程¹，刘波²

1.武汉大学测绘遥感信息工程国家重点实验室，武汉 430079
2.东华理工学院地球科学与测绘工程学院，江西抚州 344000

通讯作者: 郭丙轩

Abstract

Abstract: In this paper，an approach is presented to rectify the distortion of digital cameras by the affine transform.We use several technical of image processing to rectify image，including template matching，affine transform，re-sampling and image merging.The experiment show that this algorithm divides the image into a lot of unit grids，rectifies grid one by one，guarantees the rectificative precision，improves the rectificative efficiency.

Key words: grids, digital camera, digitization, geometric distortion

摘要： 提出了一种基于网格的利用仿射变换纠正数码相机几何畸变的算法。主要采用模板匹配、仿射变换、重采样等技术对数码相机拍摄的文档资料进行纠正。试验表明，该算法将图幅面划分为许多单元格，逐个单元格进行纠正，保证了纠正的精度，对于大批量图幅能提高其纠正的效率。

关键词: 网格, 数码相机, 扫描数字化, 几何畸变

GUO Bing-xuan¹，WANG Tie-cheng¹，LIU Bo². Research on rectifying distortion in digitization with digital camera based on grids[J]. Computer Engineering and Applications, 2007, 43(19): 234-236.

郭丙轩¹，王铁程¹，刘波². 基于网格的数码相机数字化纠正几何畸变算法[J]. 计算机工程与应用, 2007, 43(19): 234-236.

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Research on rectifying distortion in digitization with digital camera based on grids

基于网格的数码相机数字化纠正几何畸变算法

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