chapter8.h

資料壓縮的原理與應用二階段式小波轉換的C程式

//---------------------------------------------------------------------------

#ifndef chapter8H
#define chapter8H
//---------------------------------------------------------------------------

const float D97AnalysisLPF[9]={0.02674875741080976,
                              -0.01686411844287495,
                              -0.07822326652898785,
                               0.2668641184428723,
                               0.6029490182363579,
                               0.2668641184428723,
                              -0.07822326652898785,
                              -0.01686411844287495,
                               0.02674875741080976};


const float D97AnalysisHPF[7]={0.09127176311424948,
                              -0.05754352622849957,
                              -0.591271763114247,
                               1.115087052456994,
                              -0.591271763114247,
                              -0.05754352622849957,
                               0.09127176311424948};

const float D97SynthesisHPF[9]={0.02674875741080976,
                                0.01686411844287495,
                               -0.07822326652898785,
                               -0.2668641184428723,
                                0.6029490182363579,
                               -0.2668641184428723,
                               -0.07822326652898785,
                                0.01686411844287495,
                                0.02674875741080976};


const float D97SynthesisLPF[7]={-0.09127176311424948,
                                -0.05754352622849957,
                                 0.591271763114247,
                                 1.115087052456994,
                                 0.591271763114247,
                                 -0.05754352622849957,
                                 -0.09127176311424948};









void DWT2(BYTE **SourceImg,float ***WTCoef,int Levels,
          int ImgHeight,int ImgWidth,int *WTImgHeight,int *WTImgWidth);

void IDWT2(float **WTCoef,float ***ResultImg,int Levels,
          int WTImgHeight,int WTImgWidth);

#endif