Yong Chen, Jin Chen, Yapeng Ai, Meifeng Tao. Dunhuang Mural Inpainting Algorithm Based on Sequential Similarity Detection and Cuckoo Optimization[J]. Laser & Optoelectronics Progress, 2020, 57(20): 201020
- Laser & Optoelectronics Progress
- Vol. 57, Issue 20, 201020 (2020)
Fig. 1. Schematic diagram of Criminisi algorithm
Fig. 2. Changes in various data during mural restoration. (a) Mask image; (b) change in confidence; (c) change in date item; (d) change in priority
Fig. 3. Restoration effect of images at each threshold. (a)Original image; (b)mask image; (c) Yth=10000; (d) Yth=5000; (e) Yth=2000; (f) Yth=1000; (g) Yth=500; (h) Yth=200; (i) Yth=50; (j) dynamic threshold of proposed method
Fig. 4. Restoration results of mural 1. (a) Original image; (b) mask image; (c) traditional Criminisi method; (d) method in Ref.[9]; (e) method in Ref.[11] ; (f) proposed method; (g) enlarged restored area of traditional Criminisi method; (h) enlarged restored area of method in Ref.[9]; (i) enlarged restored area of method in Ref.[11];(j) enlarged restored area of proposed method
Fig. 5. Restoration results of mural 2. (a) Original image; (b) mask image; (c) Criminisi method; (d) method in Ref.[9];(e) method in Ref.[11]; (f) proposed method
Fig. 6. Restoration results of mural 3. (a) Original image; (b) mask image; (c) Criminisi method; (d) method in Ref.[9];(e) method in Ref.[11]; (f) proposed method
Fig. 7. Restoration results of mural 4. (a) Original image; (b) mask image; (c) traditional Criminisi method; (d) method in Ref.[9]; (e) method in Ref.[11]; (f) proposed method; (g) enlarged restored area of traditional Criminisi method; (h) enlarged restored area of method in Ref.[9]; (i) enlarged restored area of method in Ref.[11]; (j) enlarged restored area of proposed method
Fig. 8. Mural restoration results in large areas. (a) Original image; (b) mask image; (c) Criminisi method; (d) method in Ref.[9]; (e) method in Ref.[11]; (f) proposed method
Fig. 9. Mural restoration results in real damaged areas. (a) Original images; (b) mask images; (c) Criminisi method; (d) method in Ref.[9]; (e) method in Ref.[11]; (f) proposed method
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Table 1. PSNR and time under different methods
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Table 2. PSNR values of restoration results of each algorithmunit: dB
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Table 3. Restoration time of each algorithm unit: s
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