图 1. 结构组建立示意图

Fig. 1. Schematic of structural group establishment

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图 2. 5个尺度8个方向下获得的Gabor特征图

Fig. 2. Gabor characteristic maps obtained under 5 scales and 8 directions

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图 3. 随机像素缺失壁画修复效果对比。(a)原始图像;(b)随机像素缺失的待修复图像;(c) CDD算法;(d)文献[ 11]算法;(e)文献[ 12]算法;(f)本文算法

Fig. 3. Comparison among mural inpainting results with random pixel missing. (a) Original image; (b) mural images with random pixel missing; (c) CDD algorithm; (d) algorithm in Ref.[11]; (e) algorithm in Ref.[12]; (f) proposed algorithm

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图 4. 人为添加划痕的壁画修复效果对比。(a)原始图像;(b)人为添加划痕的图像;(c) CDD算法;(d) Criminisi算法;(e)文献[ 7]算法;(f)文献[ 11]算法;(g)文献[ 12]算法;(h)本文算法;(i) CDD算法修复区域的局部放大;(j) Criminisi算法修复区域的局部放大;(k)文献[ 7]算法修复区域的局部放大;(l)文献[ 11]算法修复区域的局部放大;(m)文献[

Fig. 4. Comparison among mural inpainting results with artificial scratch. (a) Original image; (b) image with artificial scratch ; (c) CDD algorithm; (d) Criminisi algorithm; (e) algorithm in Ref.[7]; (f) algorithm in Ref.[11]; (g) algorithm in Ref.[12]; (h) proposed algorithm; (i) local enlargement of repaired area using CDD algorithm; (j) local enlargement of repaired area using Criminisi algorithm; (k) local enlargement of repaired area using algorithm in Ref.[7]; (l) local enlargement of repaired ar

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图 5. 真实破损的壁画修复效果对比。(a)原始图像;(b)掩模图像;(c) CDD算法;(d) Criminisi算法;(e)文献[ 7]算法;(f)文献[ 11]算法;(g)文献[ 12]算法;(h)本文算法

Fig. 5. Comparison of mural inpainting results with real damage. (a) Original image; (b) mask image; (c) CDD algorithm; (d) Criminisi algorithm; (e) algorithm in Ref.[7]; (f) algorithm in Ref.[11]; (g) algorithm in Ref.[12]; (h) proposed algorithm

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图 6. 真实破损壁画的修复效果对比。(a)原始图像;(b)掩模图像;(c) CDD算法;(d) Criminisi算法;(e)文献[ 7]算法;(f)文献[ 11]算法;(g)文献[ 12]算法;(h)本文算法

Fig. 6. Comparison of mural inpainting results with real damage. (a) Original image; (b) mask image; (c) CDD algorithm; (d) Criminisi algorithm; (e) algorithm in Ref.[7]; (f) algorithm in Ref.[11]; (g) algorithm in Ref.[12]; (h) proposed algorithm

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