Lens distortion calibration based on curvature variance

Zhizhong Kang; Yumin Tan

Lens distortion calibration based on curvature variance

Zhizhong Kang^*
, Yumin Tan

^*Corresponding author for this work

School of Transportation Science and Engineering

Shandong University of Science and Technology
Delft University of Technology

Research output: Contribution to journal › Article › peer-review

1 Scopus citations

Abstract

An algorithm is presented based on curvature variance to calibrate the lens distortion of digital camera. At first, straight lines are extracted in the image while the actual line is slightly curved due to lens distortion. Therefore lines extracted are dimidiated and each line section is extracted again to detect the curvature caused by lens distortion. Then the curvature is used to calibrate lens distortion. It is proven by experiments that this algorithm comes out with satisfying result.

Original language	English
Pages (from-to)	777-780
Number of pages	4
Journal	Wuhan Daxue Xuebao (Xinxi Kexue Ban)/Geomatics and Information Science of Wuhan University
Volume	31
Issue number	9
State	Published - 5 Sep 2006

Keywords

Camera calibration
Lens distortion
Normal vector to the interpretation plane

Cite this

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title = "Lens distortion calibration based on curvature variance",

abstract = "An algorithm is presented based on curvature variance to calibrate the lens distortion of digital camera. At first, straight lines are extracted in the image while the actual line is slightly curved due to lens distortion. Therefore lines extracted are dimidiated and each line section is extracted again to detect the curvature caused by lens distortion. Then the curvature is used to calibrate lens distortion. It is proven by experiments that this algorithm comes out with satisfying result.",

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AU - Tan, Yumin

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AB - An algorithm is presented based on curvature variance to calibrate the lens distortion of digital camera. At first, straight lines are extracted in the image while the actual line is slightly curved due to lens distortion. Therefore lines extracted are dimidiated and each line section is extracted again to detect the curvature caused by lens distortion. Then the curvature is used to calibrate lens distortion. It is proven by experiments that this algorithm comes out with satisfying result.

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KW - Lens distortion

KW - Normal vector to the interpretation plane

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Lens distortion calibration based on curvature variance

Abstract

Keywords

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