摘要： 讨论用水平线插值的方法进行图像修复。先讨论了基于Euler 弹性的图像水平线模型，并用这个模型作为图像水平线的局部插值核。其次用星型插值的方法，从破损区域边界处出发，由外向内、一环一环地对水平线进行插值，把水平线逐步地延伸进去，让修复区域逐步缝合起来。该文的算法速度快，能保持强边缘，而且结构更合理，重构的水平线不再只是直线，而是光滑曲线。

关键词: 图像修复；水平线；Euler 弹性；星型插值

Abstract: This paper discusses the impainting method using level line interpolation. Firstly it discusses the level line model based on the Euler’s elastic, which will be used as the local interpolation kernel to extend the level lines. Then it uses the star-shaped interpolation method to interpolate the level lines layer by layer, from the boundary of the impainting region into it. Thus the level lines can be smoothly extended into the corrupted region, and the impainting domain sews up step by step. The algorithm is very fast and can preserve strong edges, and the reconstructed structure is more natural.

Key words: Image impainting; Level line; Euler’s elastic; Star-shaped interpolation