jpeg 2D DCT transformation project
jpeg 2D DCT transformation project...
jpeg 2D DCT transformation project...
this code is a implementation of the Discrete cosinuss transformation. In this code I have used the direct méthode of calcul by used the equation wit...
compuete the fast fourier transformation of the image. it is very fast compare than fourier transformation....
Wavlet image transformation...
DFT(Discrete Fourier Transformation)是数字信号分析与处理如图形、语音及图像等领域的重要变换工具,直接计算DFT的计算量与变换区间长度N的平方成正比.当N较大时,因计算量太大,直接用DFT算法进行谱分析和喜好的实时处理是不切实际的.快速傅里叶变换(Fast Four...