Rongjun CHEN, Zhijun ZHENG, Huimin ZHAO, Jinchang REN, Hongzhou TAN. Fast Blind Restoration of QR Code Images Based on Blurred Imaging Mechanism[J]. Acta Photonica Sinica, 2021, 50(7): 91

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- Acta Photonica Sinica
- Vol. 50, Issue 7, 91 (2021)

Fig. 1. Schematic diagram of the lens imaging

Fig. 2. QR code image design diagram

Fig. 3. Method architecture diagram of the paper

Fig. 4. Comparison diagram of QR code symbols in different sizes and positions

Fig. 5. Comparison of four restoration algorithms

Fig. 6. Comparison of four restoration algorithms.
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Table 1. Comparison of restoration parameters of QR code symbols of different sizes and positions
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Table 2. Analysis of restoration effect
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Table 3. Analysis of operation time and recognizability

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