射影変換を用いた広角中心窩画像の拡張的歪み除去手法

カテゴリ: 研究会(論文単位)

論文No: IIC22053

グループ名: 【D】産業応用部門 産業計測制御研究会

発行日: 2022/11/28

タイトル(英語): Extensive Distortion Removal Method from Wide Angle Fovea Image using Homography

著者名: 高村 朋希(芝浦工業大学),清水 創太(芝浦工業大学),中本 陸人(芝浦工業大学)

著者名(英語): Tomoki Takamura(Shibaura Institute of Technology),Sota Shimizu(Shibaura Institute of Technology),Nakamoto Rikuto(Shibaura Institute of Technology)

要約(日本語): 本稿では広角中心窩画像から射影変換を用いて拡張的に領域を拡大しながら歪みを除去するための手法の提案を行う．

要約(英語): This paper proposes a camera calibration method for Wide Angle Fovea (WAF) sensor. An input image of the WAF sensor has largely-high distortion, which makes it be difficult to apply generally-well-known camera calibration methods. The authors have tried to eliminate the distortion of the WAF sensor by using a single correction look-up table instead of changing the estimation of the distortion coefficients. However, this method does not take into account the misalignment between the correction look-up table and the optical axis, and distortion occurs according to the amount of misalignment. Therefore, we proposed an extension of this method, which uses a projection transformation matrix to estimate points outside of the correction area and allows expansion of the partially corrected area by considering the exact angle of the circle grid pattern with respect to the optical axis.

本誌: 2022年12月1日-2022年12月2日産業計測制御研究会-2

本誌掲載ページ: 41-42 p

原稿種別: 日本語

PDFファイルサイズ: 578 Kバイト