小波分解重构,降噪,压缩编码,压缩性能分析

xijie.m 将图片1级小波分解为近似,水平细节,垂直细节,对角细节

xijie2.m 将图片1和2级分解并重构,近似,水平细节,垂直细节,对角细节

noisereduce.m 图像1/2降噪.

noisereduce2.m全值阀值消噪图像

mycompress.m小波BIOR3.7一次和二次压缩,与一次与二次解压缩

mycompress2.m分析小波分解系数中置0的系数个数百分比和压缩后图像剩余能量百分比-Reconstruction of wavelet decomposition, noise reduction, compression coding, compression performance analysis xijie.m pictures a wavelet decomposition for the approximation, horizontal details, vertical details, diagonal details xijie2.m pictures 1 and 2 decomposition and reconstruction, approximation, the level of details, vertical details, diagonal details noisereduce.m Image 1/2 noise reduction. noisereduce2.m full value mycompress.m threshold wavelet de-noising images BIOR3.7 the first and the second compression, with the first and the second extract mycompress2 . m analysis of wavelet decomposition coefficients to 0 and the coefficient of the percentage of the number of compressed images the percentage of residual energy