双三次插值是图像空域变换的经典算法，可用于图像旋转和放缩等灰度插值。

Bicubic interpolation is a classical algorithm used in spacial transformation of image such as image rotation and zooming.

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该算法尽可能地保持了放缩后图像内物体边界的清晰，自然，而放缩倍数可为任意非整数倍。

The method can help to keep the edges and borders in the zoomed image as clear and natural as possible, with arbitrary real positive scaling factors.

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本文提出了一种对汉字作任意倍率放缩的算法。

In this paper, we present a method which generates Chinese character of arbitrary sizes from thinned character pattern.

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