Homography of central points for optical distortion compensation

• Autorzy: Nowakowski A. , Skarbek W.
• Konferencja: Fifth Symposjum on Image Processing Technology (TPO 2006) ; (5 ; 21-23.11.2006 ; Serock, Poland)
• Języki publikacji: EN

Abstrakty

EN

The paper presents a novel radial lens distortion modelling method for vision systems. It is based on single images of chessboard planar pattern, in which calibration points (corners of chessboard squares) are localised. The points, which are situated near the image centre, where the distortion is negligible, are used to determine undistorted grid of calibration points, by parameters of radial model by the linear least square method. Having the distortion model, the dense compensation is performed with support of bilinear interpolation and a sparse compensation by Newton iterative scheme providing subpixel accuracy.

Słowa kluczowe

EN

optical distortion; projection matrix; homographic matrix; distortion compensation; camera calibration

• Wydawca: Stowarzyszenie Elektryków Polskich ; Polska Akademia Nauk ; Wojskowa Akademia Techniczna im. Jarosława Dąbrowskiego
• Czasopismo: Opto-Electronics Review
• Rocznik: 2007
• Tom: Vol. 15, No. 4
• Strony: 202--209
• Opis fizyczny: Bibliogr. 19 poz., tab., wykr.

Twórcy

autor

Nowakowski A.

autor

Skarbek W.

• Institute of Radioelectronics, Warsaw University of Technology, 15/19 Nowowiejska Str., 00-665 Warsaw, Poland,

Bibliografia

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