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.
为了在保持原始图像信息的情况下，提高图像的空间分辨率，改善图像的峰值信噪比，在前期的研究中提出了小波双三次插值搜索算法。
In order to improve the resolution and PSNR of the obtained image without damaging its original information, the Wavelet Bicubic Interpolation Search Algorithm was proposed in the previous work.
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