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Example of KRW banknote images captured by the device in: (a) front side’s forward VR image (A direction); (b) front side’s backward VR image (B direction); (c) back side’s forward VR image (C direction); (d) back side’s backward VR image (D direction); (e) forward IRT image and (f) backward IRT image; (g–l) are the corresponding banknote region segmented images from the original images in (a–f), respectively.
