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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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一种基于图像平均灰度值的快速图像修复算法
DOI: 10.11834/jig.20100109
Keywords: 图像修复,纹理合成,平均灰度值
Abstract:
基于纹理合成的图像修复技术用于修复大面积破损区域，目前此类算法都存在时间复杂度高的缺点。针对纹理算法的匹配技术进行改进，提出了一种基于图像平均灰度值的快速图像匹配算法。该算法在匹配之前预先计算纹理块的平均灰度值以及分割后的纹理块的局部平均灰度值，以取代计算复杂的匹配项SSD（sumofsquareddifferences）；匹配过程只需对平均灰度值进行快速比较，结合阈值控制筛选掉大部分候选纹理块。实验结果表明，该算法在不损害图像修复质量的同时，将纹理修复的效率提高到实时水平。同时在纹理合成和纹理修复
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