Yong Chen, Yapeng Ai, Jin Chen. Dunhuang Mural Inpainting Algorithm Based on Information Entropy and Structural Characteristics[J]. Laser & Optoelectronics Progress, 2020, 57(12): 121020
- Laser & Optoelectronics Progress
- Vol. 57, Issue 12, 121020 (2020)
Fig. 1. Schematic of Criminisi algorithm principle
Fig. 2. Schematic of difference in block structure to be repaired. (a) Block A to be repaired; (b) block B to be repaired
Fig. 3. Criminisi algorithm inpainting results. (a) Original image; (b) broken image; (c) Criminisi algorithm; (d) partial enlargement image
Fig. 4. Comparison of inpainting results before and after algorithm improvement. (a) Original image; (b) broken image; (c) Criminisi algorithm; (d) proposed algorithm
Fig. 5. Curves of relationship between weight parameters and average PSNR
Fig. 6. Comparison of effects of five algorithms on inpainting artificially broken murals. (a) Original images; (b) artificially adding broken images; (c) Criminisi algorithm; (d) algorithm in Ref. [12]; (e) algorithm in Ref. [17]; (f) algorithm in Ref. [18]; (g) proposed algorithm
Fig. 7. Comparison of effects of five algorithms on inpainting real damage murals. (a) Original damage murals; (b) adding mask images; (c) Criminisi algorithm; (d) algorithm in Ref. [12]; (e) algorithm in Ref. [17]; (f) algorithm in Ref. [18]; (g) proposed algorithm
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Table 1. Comparison of inpainting results of different algorithms
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