A STUDY ON PANORAMIC IMAGES GENERATION OF TUNNEL WALL

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  • 画像処理技術を用いたトンネル壁面画像展開図作成における結合精度向上手法

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The inspection of road tunnels are mainly conducted by visual inspection. Therefore, there is a need for the automation. The authors have developed an inspection vehicle for tunnel lining concrete. The vehicle takes continuously scanned images of tunnel wall by using digital video cameras. In this study, an automatic image stitching method is developed by image processing techniques in order to generate panoramic images of tunnel wall from the scanned images. Furthermore, application to an existing tunnel is presented so as to demonstrate the validity of the proposed method.

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