基于小波的图像插值研究。借助图像的小波变换,利用图像小波分解后高低分辨率子带之间存在的相似性,由低分辨率子带插值近似高分辨率子带,得到比原图像分辨率高的图像。-Wavelet-based Image Interpolation research. With images of wavelet transform, wavelet decomposition of image after the high and low resolution sub-band between the simila