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基于向导矢量场的图像镶嵌算法研究

DOI: 10.11834/jig.2006011288

Keywords: 向导矢量,场图像镶嵌,迭代逼近

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Abstract:

为了兼顾图像镶嵌在拼缝附近的平滑过渡和整体色调的一致性,提出了一种基于向导矢量场的图像镶嵌算法。该算法针对现有图像镶嵌算法很难适应待镶嵌图像之间存在较大灰度差异这一问题,首先构建具有待镶嵌目标像素分布特性的向导矢量场;然后在此矢量场的引导下,使镶嵌目的区域的像素值经过插值、迭代不断被更新,并使得拼缝附近处的梯度值达到最小来获得局部光滑过渡、全局和谐的理想镶嵌图像。试验结果验证了该方法的有效性和适应性。

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