📄 watermethod.cpp
字号:
output1[i]=input1[i]+(*totalmean);
output2[i]=input2[i]+(*totalmean);
}
}
int CWatermethod::Subsamplingmethod(long int blocks,
unsigned short blockheight,
unsigned short blockwidth,
unsigned short hb,
unsigned short wb,
unsigned char *SourceVector1[MAXINPUTVECTORS/4],
unsigned char *SourceVector2[MAXINPUTVECTORS/4],
unsigned char *SourceVector3[MAXINPUTVECTORS/4],
unsigned char *SourceVector4[MAXINPUTVECTORS/4],
unsigned char *WmSourceVector1[MAXINPUTVECTORS/4],
unsigned char *WmSourceVector2[MAXINPUTVECTORS/4],
unsigned char *TerminalVector1[MAXINPUTVECTORS/4],
unsigned char *TerminalVector2[MAXINPUTVECTORS/4],
unsigned char *TerminalVector3[MAXINPUTVECTORS/4],
unsigned char *TerminalVector4[MAXINPUTVECTORS/4],
int method)
{
long int k,l;
unsigned short int dimension;
int m;
unsigned char blktime1[8][8];
unsigned char *blocktime1[8];
unsigned char blktime2[8][8];
unsigned char *blocktime2[8];
unsigned char blktime3[8][8];
unsigned char *blocktime3[8];
unsigned char blktime4[8][8];
unsigned char *blocktime4[8];
unsigned char wmblktime[4][4];
unsigned char *wmblocktime[4];
unsigned char wmblktime1[4][4];
unsigned char *wmblocktime1[4];
unsigned char embedimageblktime1[8][8];
unsigned char *embedimageblocktime1[8];
unsigned char embedimageblktime2[8][8];
unsigned char *embedimageblocktime2[8];
unsigned char embedimageblktime3[8][8];
unsigned char *embedimageblocktime3[8];
unsigned char embedimageblktime4[8][8];
unsigned char *embedimageblocktime4[8];
double blkfreq1[8][8];
double *blockfreq1[8];
double embedimageblkfreq1[8][8];
double *embedimageblockfreq1[8];
double blkfreq2[8][8];
double *blockfreq2[8];
double embedimageblkfreq2[8][8];
double *embedimageblockfreq2[8];
double blkfreq3[8][8];
double *blockfreq3[8];
double embedimageblkfreq3[8][8];
double *embedimageblockfreq3[8];
double blkfreq4[8][8];
double *blockfreq4[8];
double embedimageblkfreq4[8][8];
double *embedimageblockfreq4[8];
for(l=0;l<MAXBLOCKHEIGHT;l++)
{
blocktime1[l]=blktime1[l];
blockfreq1[l]=blkfreq1[l];
embedimageblocktime1[l]=embedimageblktime1[l];
embedimageblockfreq1[l]=embedimageblkfreq1[l];
blocktime2[l]=blktime2[l];
blockfreq2[l]=blkfreq2[l];
embedimageblocktime2[l]=embedimageblktime2[l];
embedimageblockfreq2[l]=embedimageblkfreq2[l];
blocktime3[l]=blktime3[l];
blockfreq3[l]=blkfreq3[l];
embedimageblocktime3[l]=embedimageblktime3[l];
embedimageblockfreq3[l]=embedimageblkfreq3[l];
blocktime4[l]=blktime4[l];
blockfreq4[l]=blkfreq4[l];
embedimageblocktime4[l]=embedimageblktime4[l];
embedimageblockfreq4[l]=embedimageblkfreq4[l];
}
for(l=0;l<4;l++)
{
wmblocktime[l]=wmblktime[l];
wmblocktime1[l]=wmblktime1[l];
}
//the arrays
dimension=blockwidth*blockheight;
if(blocks>MAXENCODEVECTORS)
return -1;
for(m=0;m<32*32;m++)
{
//Transmit one block data of the original image to the blocktime block of the original image
for(l=0;l<blockheight;l++)
for(k=0;k<blockwidth;k++)
{
blktime1[k][l]=SourceVector1[m][k+l*blockwidth];
blktime2[k][l]=SourceVector2[m][k+l*blockwidth];
blktime3[k][l]=SourceVector3[m][k+l*blockwidth];
blktime4[k][l]=SourceVector4[m][k+l*blockwidth];
}
//Transmit one block data of the original watermark image to the blocktime block of the original watermark image
for(l=0; l<4;l++)
for(k=0; k<4; k++)
{
wmblktime[k][l]=WmSourceVector1[m][k+l*4];
wmblktime1[k][l]=WmSourceVector2[m][k+l*4];
}
//DCT is use for one sub block of the original image
DCT(blocktime1,blockfreq1,blockwidth,blockheight);
DCT(blocktime2,blockfreq2,blockwidth,blockheight);
DCT(blocktime3,blockfreq3,blockwidth,blockheight);
DCT(blocktime4,blockfreq4,blockwidth,blockheight);
//Embed the watermark into the original image
if(method==1)
samplingembed(blockfreq1,blockfreq2,blockfreq3,blockfreq4,wmblocktime,embedimageblockfreq1,embedimageblockfreq2,
embedimageblockfreq3,embedimageblockfreq4,blockwidth,blockheight);
if(method==2)
DMBsamplingembed(blockfreq1,blockfreq2,blockfreq3,blockfreq4,wmblocktime,wmblocktime1,embedimageblockfreq1,embedimageblockfreq2,
embedimageblockfreq3,embedimageblockfreq4,blockwidth,blockheight);
//IDCT is use for one sub block
IDCT(embedimageblockfreq1,embedimageblocktime1,blockwidth,blockheight);
IDCT(embedimageblockfreq2,embedimageblocktime2,blockwidth,blockheight);
IDCT(embedimageblockfreq3,embedimageblocktime3,blockwidth,blockheight);
IDCT(embedimageblockfreq4,embedimageblocktime4,blockwidth,blockheight);
//Transmit the the data after DCT and IDCT operation to store memory
for(l=0; l<blockheight;l++)
for(k=0; k<blockwidth; k++)
{
TerminalVector1[m][k+l*blockwidth]=embedimageblocktime1[k][l];
TerminalVector2[m][k+l*blockwidth]=embedimageblocktime2[k][l];
TerminalVector3[m][k+l*blockwidth]=embedimageblocktime3[k][l];
TerminalVector4[m][k+l*blockwidth]=embedimageblocktime4[k][l];
}
}
return 0;
}
int CWatermethod::ExtractSubsamplingmethod(long int blocks,
unsigned short blockwidth,
unsigned short blockheight,
unsigned short wb,
unsigned short hb,
unsigned short wmblockheight,
unsigned short wmblockwidth,
unsigned char *SourceVector1[MAXINPUTVECTORS/4],
unsigned char *SourceVector2[MAXINPUTVECTORS/4],
unsigned char *SourceVector3[MAXINPUTVECTORS/4],
unsigned char *SourceVector4[MAXINPUTVECTORS/4],
unsigned char *pp1[MAXINPUTVECTORS/4],
unsigned char *pp2[MAXINPUTVECTORS/4],
int method)
{
long int k,l;
unsigned short int dimension;
int m;
unsigned char blktime1[8][8];
unsigned char *blocktime1[8];
unsigned char blktime2[8][8];
unsigned char *blocktime2[8];
unsigned char blktime3[8][8];
unsigned char *blocktime3[8];
unsigned char blktime4[8][8];
unsigned char *blocktime4[8];
double blkfreq1[8][8];
double *blockfreq1[8];
double blkfreq2[8][8];
double *blockfreq2[8];
double blkfreq3[8][8];
double *blockfreq3[8];
double blkfreq4[8][8];
double *blockfreq4[8];
unsigned char wmblktime[4][4];
unsigned char *wmblocktime[4];
unsigned char wmblktime1[4][4];
unsigned char *wmblocktime1[4];
for(l=0;l<MAXBLOCKHEIGHT;l++)
{
blocktime1[l]=blktime1[l];
blockfreq1[l]=blkfreq1[l];
blocktime2[l]=blktime2[l];
blockfreq2[l]=blkfreq2[l];
blocktime3[l]=blktime3[l];
blockfreq3[l]=blkfreq3[l];
blocktime4[l]=blktime4[l];
blockfreq4[l]=blkfreq4[l];
}
for(l=0;l<wmblockheight;l++)
{
wmblocktime[l]=wmblktime[l];
wmblocktime1[l]=wmblktime1[l];
}
dimension=blockwidth*blockheight;
if(blocks>MAXENCODEVECTORS)
return -1;
for(m=0;m<32*32;m++)
{
//Transmit one block data of the original image to the blocktime block of the original image
for(l=0;l<blockheight;l++)
for(k=0;k<blockwidth;k++)
{
blktime1[k][l]=SourceVector1[m][k+l*blockwidth];
blktime2[k][l]=SourceVector2[m][k+l*blockwidth];
blktime3[k][l]=SourceVector3[m][k+l*blockwidth];
blktime4[k][l]=SourceVector4[m][k+l*blockwidth];
}
//DCT is use for one sub block of the original image
DCT(blocktime1,blockfreq1,blockwidth,blockheight);
DCT(blocktime2,blockfreq2,blockwidth,blockheight);
DCT(blocktime3,blockfreq3,blockwidth,blockheight);
DCT(blocktime4,blockfreq4,blockwidth,blockheight);
if(method==1)
samplingextract(blockfreq1,blockfreq2,blockfreq3,blockfreq4,wmblocktime,blockwidth,blockheight);
if(method==2)
DMBsamplingextract(blockfreq1,blockfreq2,blockfreq3,blockfreq4,wmblocktime,wmblocktime1,blockwidth,blockheight);
//Transmit one block data of the original watermark image to the blocktime block of the original watermark image
for(l=0; l<wmblockheight;l++)
for(k=0; k<wmblockwidth;k++)
{
pp1[m][k+l*4]=wmblktime[k][l];
pp2[m][k+l*4]=wmblktime1[k][l];
}
}
return 0;
}
/*
int CWatermethod::Subsamplingmethod1(long int blocks,
unsigned short blockheight,
unsigned short blockwidth,
unsigned short hb,
unsigned short wb,
unsigned char *SourceVector1[MAXINPUTVECTORS/4],
char *SourceVector2[MAXINPUTVECTORS/4],
char *SourceVector3[MAXINPUTVECTORS/4],
unsigned char *SourceVector4[MAXINPUTVECTORS/4],
unsigned char *WmSourceVector1[MAXINPUTVECTORS/4],
unsigned char *WmSourceVector2[MAXINPUTVECTORS/4],
unsigned char *TerminalVector1[MAXINPUTVECTORS/4],
char *TerminalVector2[MAXINPUTVECTORS/4],
char *TerminalVector3[MAXINPUTVECTORS/4],
unsigned char *TerminalVector4[MAXINPUTVECTORS/4],
int method)
{
long int k,l;
unsigned short int dimension;
int m;
unsigned char blktime1[8][8];
unsigned char *blocktime1[8];
char blktime2[8][8];
char *blocktime2[8];
char blktime3[8][8];
char *blocktime3[8];
unsigned char blktime4[8][8];
unsigned char *blocktime4[8];
unsigned char wmblktime[4][4];
unsigned char *wmblocktime[4];
unsigned char wmblktime1[4][4];
unsigned char *wmblocktime1[4];
unsigned char embedimageblktime1[8][8];
unsigned char *embedimageblocktime1[8];
char embedimageblktime2[8][8];
char *embedimageblocktime2[8];
char embedimageblktime3[8][8];
char *embedimageblocktime3[8];
unsigned char embedimageblktime4[8][8];
unsigned char *embedimageblocktime4[8];
double blkfreq1[8][8];
double *blockfreq1[8];
double embedimageblkfreq1[8][8];
double *embedimageblockfreq1[8];
double blkfreq2[8][8];
double *blockfreq2[8];
double embedimageblkfreq2[8][8];
double *embedimageblockfreq2[8];
double blkfreq3[8][8];
double *blockfreq3[8];
double embedimageblkfreq3[8][8];
double *embedimageblockfreq3[8];
double blkfreq4[8][8];
double *blockfreq4[8];
double embedimageblkfreq4[8][8];
double *embedimageblockfreq4[8];
for(l=0;l<MAXBLOCKHEIGHT;l++)
{
blocktime1[l]=blktime1[l];
blockfreq1[l]=blkfreq1[l];
embedimageblocktime1[l]=embedimageblktime1[l];
embedimageblockfreq1[l]=embedimageblkfreq1[l];
blocktime2[l]=blktime2[l];
blockfreq2[l]=blkfreq2[l];
embedimageblocktime2[l]=embedimageblktime2[l];
embedimageblockfreq2[l]=embedimageblkfreq2[l];
blocktime3[l]=blktime3[l];
blockfreq3[l]=blkfreq3[l];
embedimageblocktime3[l]=embedimageblktime3[l];
embedimageblockfreq3[l]=embedimageblkfreq3[l];
blocktime4[l]=blktime4[l];
blockfreq4[l]=blkfreq4[l];
embedimageblocktime4[l]=embedimageblktime4[l];
embedimageblockfreq4[l]=embedimageblkfreq4[l];
}
for(l=0;l<4;l++)
{
wmblocktime[l]=wmblktime[l];
wmblocktime1[l]=wmblktime1[l];
}
//the arrays
dimension=blockwidth*blockheight;
if(blocks>MAXENCODEVECTORS)
return -1;
for(m=0;m<32*32;m++)
{
//Transmit one block data of the original image to the blocktime block of the original image
for(l=0;l<blockheight;l++)
for(k=0;k<blockwidth;k++)
{
blktime1[k][l]=SourceVector1[m][k+l*blockwidth];
blktime2[k][l]=SourceVector2[m][k+l*blockwidth];
blktime3[k][l]=SourceVector3[m][k+l*blockwidth];
blktime4[k][l]=SourceVector4[m][k+l*blockwidth];
}
//Transmit one block data of the original watermark image to the blocktime block of the original watermark image
for(l=0; l<4;l++)
for(k=0; k<4; k++)
{
wmblktime[k][l]=WmSourceVector1[m][k+l*4];
if(WmSourceVector2!=0)
wmblktime1[k][l]=WmSourceVector2[m][k+l*4];
}
//DCT is use for one sub block of the original image
DCT(blocktime1,blockfreq1,blockwidth,blockheight);
DCT1(blocktime2,blockfreq2,blockwidth,blockheight);
DCT1(blocktime3,blockfreq3,blockwidth,blockheight);
DCT(blocktime4,blockfreq4,blockwidth,blockheight);
//Embed the watermark into the original image
if(method==1)
samplingembed(blockfreq1,blockfreq2,blockfreq3,blockfreq4,wmblocktime,embedimageblockfreq1,embedimageblockfreq2,
embedimageblockfreq3,embedimageblockfreq4,blockwidth,blockheight);
if(method==2)
DMBsamplingembed(blockfreq1,blockfreq2,blockfreq3,blockfreq4,wmblocktime,wmblocktime1,embedimageblockfreq1,embedimageblockfreq2,
embedimageblockfreq3,embedimageblockfreq4,blockwidth,blockheight);
//IDCT is use for one sub block
IDCT(embedimageblockfreq1,embedimageblocktime1,blockwidth,blockheight);
IDCT1(embedimageblockfreq2,embedimageblocktime2,blockwidth,blockheight);
IDCT1(embedimageblockfreq3,embedimageblocktime3,blockwidth,blockheight);
IDCT(embedimageblockfreq4,embedimageblocktime4,blockwidth,blockheight);
//Transmit the the data after DCT and IDCT operation to store memory
for(l=0; l<blockheight;l++)
for(k=0; k<blockwidth; k++)
{
TerminalVector1[m][k+l*blockwidth]=embedimageblocktime1[k][l];
TerminalVector2[m][k+l*blockwidth]=embedimageblocktime2[k][l];
TerminalVector3[m][k+l*blockwidth]=embedimageblocktime3[k][l];
TerminalVector4[m][k+l*blockwidth]=embedimageblocktime4[k][l];
}
}
return 0;
}
int CWatermethod::ExtractSubsamplingmethod1(long int blocks,
unsigned short blockwidth,
unsigned short blockheight,
unsigned short wb,
unsigned short hb,
unsigned short wmblockheight,
unsigned short wmblockwidth,
unsigned char *SourceVector1[MAXINPUTVECTORS/4],
char *SourceVector2[MAXINPUTVECTORS/4],
char *SourceVector3[MAXINPUTVECTORS/4],
unsigned char *SourceVector4[MAXINPUTVECTORS/4],
unsigned char *pp1[MAXINPUTVECTORS/4],
unsigned char *pp2[MAXINPUTVECTORS/4],
int method)
{
long int k,l;
unsigned short int dimension;
int m;
unsigned char blktime1[8][8];
unsigned char *blocktime1[8];
char blktime2[8][8];
char *blocktime2[8];
char blktime3[8][8];
char *blocktime3[8];
unsigned char blktime4[8][8];
unsigned char *blocktime4[8];
double blkfreq1[8][8];
double *blockfreq1[8];
double blkfreq2[8][8];
double *blockfreq2[8];
double blkfreq3[8][8];
double *blockfreq3[8];
double blkfreq4[8][8];
double *blockfreq4[8];
unsigned char wmblktime[4][4];
unsigned char *wmblocktime[4];
unsigned char wmblktime1[4][4];
unsigned char *wmblocktime1[4];
for(l=0;l<MAXBLOCKHEIGHT;l++)
{
blocktime1[l]=blktime1[l];
blockfreq1[l]=blkfreq1[l];
blocktime2[l]=blktime2[l];
blockfreq2[l]=blkfreq2[l];
blocktime3[l]=blktime3[l];
blockfreq3[l]=blkfreq3[l];
blocktime4[l]=blktime4[l];
blockfreq4[l]=blkfreq4[l];
}
for(l=0;l<wmblockheight;l++)
{
wmblocktime[l]=wmblktime[l];
if(pp2!=0)
wmblocktime1[l]=wmblktime1[l];
}
dimension=blockwidth*blockheight;
if(blocks>MAXENCODEVECTORS)
return -1;
for(m=0;m<32*32;m++)
{
//Transmit one block data of the original image to the blocktime block of the original image
for(l=0;l<blockheight;l++)
for(k=0;k<blockwidth;k++)
{
blktime1[k][l]=SourceVector1[m][k+l*blockwidth];
blktime2[k][l]=SourceVector2[m][k+l*blockwidth];
blktime3[k][l]=SourceVector3[m][k+l*blockwidth];
blktime4[k][l]=SourceVector4[m][k+l*blockwidth];
}
//DCT is use for one sub block of the original image
DCT(blocktime1,blockfreq1,blockwidth,blockheight);
DCT1(blocktime2,blockfreq2,blockwidth,blockheight);
DCT1(blocktime3,blockfreq3,blockwidth,blockheight);
DCT(blocktime4,blockfreq4,blockwidth,blockheight);
if(method==1)
samplingextract(blockfreq1,blockfreq2,blockfreq3,blockfreq4,wmblocktime,blockwidth,blockheight);
if(method==2)
DMBsamplingextract(blockfreq1,blockfreq2,blockfreq3,blockfreq4,wmblocktime,wmblocktime1,blockwidth,blockheight);
//Transmit one block data of the original watermark image to the blocktime block of the original watermark image
for(l=0; l<wmblockheight;l++)
for(k=0; k<wmblockwidth;k++)
{
pp1[m][k+l*4]=wmblktime[k][l];
if(pp2!=0)
pp2[m][k+l*4]=wmblktime1[k][l];
}
}
return 0;
}*/⌨️ 快捷键说明
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