📄 waveletdoc.cpp
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spTransData1[i] = new short [biWidth];
m_WaveletCoeff[i] = new short [biWidth];
}
//创建图像小波变换类
CWaveletTrans *pTrans;
//从设备缓存中获取原始图像数据
for (i=0;i<=2;i++)
{
for(y=0; y<(int)biHeight; y++)
{
for( x=0; x<(int)biWidth; x++)
{
cur = y*biAlign+3*x;
spOriginData[biHeight-1-y][x]=(short)(lpData[cur+i]);
}
}
//完成一次图像小波变换
pTrans->DWT_Once(spOriginData,spTransData0,spTransData1,biHeight,biHeight/2,biWidth,biWidth/2,1,1.414);
//允许图像复原操作标志
m_bOnce = TRUE;
m_bTwice = FALSE;
m_bTribl = FALSE;
//m_bOnce = m_bOnce & ~m_bTwice & ~m_bTribl & ~m_bFilter;
MaxPixVal=spTransData1[0][0];
MinPixVal=spTransData1[0][0];
for( y=0; y<(int)biHeight; y++)
{
for( x=0; x<(int)biWidth; x++)
{
if(MaxPixVal<spTransData1[y][x])
MaxPixVal=spTransData1[y][x];
if(MinPixVal>spTransData1[y][x])
MinPixVal=spTransData1[y][x];
//m_WvltCoeff[y][x] = spTransData1[y][x];
}
}
Diff=MaxPixVal-MinPixVal;
for(y=0; y<(int)biHeight; y++)
{
for(x=0; x<(int)biWidth; x++)
{
//因为小波变换后的小波系数有可能超过255甚至更多,那么就将
//小波系数的范围映射到0~255区间内,以后出现类似的处理,目的都是一样的
fTempBufforDisp=spTransData1[biHeight-1-y][x];
fTempBufforDisp-=MinPixVal;
long num;
num=1<<(lpBitmapInfoHeader->biBitCount/3);
fTempBufforDisp*=(num-1);
fTempBufforDisp/=Diff;
cur= y*biAlign+3*x; //current pixel
m_pstore[cur+i]=spTransData1[biHeight-1-y][x];
m_pTransfered[cur+i]= (unsigned char)fTempBufforDisp;
/*
m_pTransfered[cur] = (unsigned char)fTempBufforDisp;
m_pTransfered[cur+1]= (unsigned char)fTempBufforDisp;
m_pTransfered[cur+2]= (unsigned char)fTempBufforDisp;
*/
}
}
}
//显示图像的小波系数
UpdateAllViews(NULL);
//删除临时的数据空间
delete spOriginData;
delete spTransData0;
delete spTransData1;
return;
}
void CWaveletDoc::OnWaveletTwo()
{
//读取数字图像的文件头,获取图像的属性参数
LPBITMAPINFOHEADER lpBitmapInfoHeader = (LPBITMAPINFOHEADER)(m_pBitmap+14);
LPBITMAPFILEHEADER lpBitmapFileHeader = (LPBITMAPFILEHEADER)m_pBitmap;
unsigned char *lpData = m_pBitmap + lpBitmapFileHeader->bfOffBits;
unsigned long biHeight = lpBitmapInfoHeader->biHeight;
unsigned long biWidth = lpBitmapInfoHeader->biWidth;
unsigned long biAlign = (biWidth*3+3)/4 *4;
unsigned long bmSize = biHeight * biAlign;
if(m_pTransfered==NULL)
{
m_pTransfered=(unsigned char*) malloc (bmSize);
m_pstore=new short [bmSize];
}
if(m_pTransfered==NULL)
return;
//图像矩阵坐标与像素数值
int x,y,cur;
unsigned char tempR, tempG, tempB;
float fTempBufforDisp;
short MaxPixVal,MinPixVal,Diff;
short **spOriginData, **spTransData0, **spTransData1;
//分配数据空间
spOriginData = new short* [biHeight];
spTransData0 = new short* [biHeight];
spTransData1 = new short* [biHeight];
m_WaveletCoeff = new short * [biHeight];
for(int i = 0; i < biHeight; i ++)
{
spOriginData[i] = new short [biWidth];
spTransData0[i] = new short [biWidth];
spTransData1[i] = new short [biWidth];
m_WaveletCoeff[i] = new short [biWidth];
}
//创建图像小波变化类
CWaveletTrans *pTrans;
//从设备缓存中获取原始图像数据
for (i=0;i<=2;i++)
{
for(y=0; y<(int)biHeight; y++)
{
for( x=0; x<(int)biWidth; x++)
{
cur = y*biAlign+3*x;
spOriginData[biHeight-1-y][x]=(short)(lpData[cur+i]);
/*
tempB=lpData[cur];
tempG=lpData[cur+1];
tempR=lpData[cur+2];
spOriginData[biHeight-1-y][x]=(short)(0.3*tempR+0.59*tempG+0.11*tempB); //no problem
*/
}
}
//完成图像的两次小波变换
pTrans->DWT_Two(spOriginData,spTransData0,spTransData1,biHeight,biHeight/2,biWidth,biWidth/2,2,1.414);
//允许图像复原操作标志
m_bOnce = FALSE;
m_bTribl = FALSE;
m_bTwice = TRUE;
//m_bTwice = m_bTwice & ~m_bTribl & ~m_bOnce & ~m_bFilter;
MaxPixVal=spTransData1[0][0];
MinPixVal=spTransData1[0][0];
//计算得到图像小波系数的极大值与极小值
for( y=0; y<(int)biHeight; y++)
{
for( x=0; x<(int)biWidth; x++)
{
if(MaxPixVal<spTransData1[y][x])
MaxPixVal=spTransData1[y][x];
if(MinPixVal>spTransData1[y][x])
MinPixVal=spTransData1[y][x];
//m_WvltCoeff[y][x] = spTransData1[y][x];
}
}
//计算获得小波系数的极值差
Diff=MaxPixVal-MinPixVal;
//小波系数经过处理后,放入显示缓存中
for(y=0; y<(int)biHeight; y++)
{
for(x=0; x<(int)biWidth; x++)
{
//因为小波变换后的小波系数有可能超过255甚至更多,那么就将
//小波系数的范围映射到0~255区间内,以后出现类似的处理,目的都是一样的
fTempBufforDisp=spTransData1[biHeight-1-y][x];
fTempBufforDisp-=MinPixVal;
long num;
num=1<<(lpBitmapInfoHeader->biBitCount/3);
fTempBufforDisp*=num-1;
fTempBufforDisp/=Diff;
cur= y*biAlign+3*x; //current pixel
m_pstore[cur+i]=spTransData1[biHeight-1-y][x];
m_pTransfered[cur+i]= (unsigned char)fTempBufforDisp;
/*
m_pTransfered[cur] = (unsigned char)fTempBufforDisp;
m_pTransfered[cur+1]= (unsigned char)fTempBufforDisp;
m_pTransfered[cur+2]= (unsigned char)fTempBufforDisp;
*/
}
}
}
//显示图像的小波系数
UpdateAllViews(NULL);
//删除临时的数据空间
delete spOriginData;
delete spTransData0;
delete spTransData1;
return;
}
void CWaveletDoc::OnWaveletThree()
{
//读取数字图像的文件头,获取图像的属性参数
LPBITMAPINFOHEADER lpBitmapInfoHeader = (LPBITMAPINFOHEADER)(m_pBitmap+14);
LPBITMAPFILEHEADER lpBitmapFileHeader = (LPBITMAPFILEHEADER)m_pBitmap;
unsigned char *lpData = m_pBitmap + lpBitmapFileHeader->bfOffBits;
unsigned long biHeight = lpBitmapInfoHeader->biHeight;
unsigned long biWidth = lpBitmapInfoHeader->biWidth;
unsigned long biAlign = (biWidth*3+3)/4 *4;
unsigned long bmSize = biHeight * biAlign;
if(m_pTransfered==NULL)
{
m_pTransfered=(unsigned char*) malloc (bmSize);
m_pstore=new short [bmSize];
}
if(m_pTransfered==NULL)
return;
//图像矩阵坐标与像素数据
int x,y,cur;
unsigned char tempR, tempG, tempB;
float fTempBufforDisp;
short MaxPixVal,MinPixVal,Diff;
short **spOriginData, **spTransData0, **spTransData1;
//分配图像小波变换的数据内存空间
spOriginData = new short* [biHeight];
spTransData0 = new short* [biHeight];
spTransData1 = new short* [biHeight];
m_WaveletCoeff = new short * [biHeight];
for(int i = 0; i < biHeight; i ++)
{
spOriginData[i] = new short [biWidth];
spTransData0[i] = new short [biWidth];
spTransData1[i] = new short [biWidth];
m_WaveletCoeff[i] = new short [biWidth];
}
//创建图像小波类
CWaveletTrans *pTrans;
//从设备的图像缓存中获取原始图像的数据
for (i=0;i<=2;i++)
{
for(y=0; y<(int)biHeight; y++)
{
for( x=0; x<(int)biWidth; x++)
{
cur = y*biAlign+3*x;
spOriginData[biHeight-1-y][x]=lpData[cur+i];
/*
tempB=lpData[cur];
tempG=lpData[cur+1];
tempR=lpData[cur+2];
spOriginData[biHeight-1-y][x]=(short)(0.3*tempR+0.59*tempG+0.11*tempB); //no problem
*/
}
}
//完成图像的三次小波变换
pTrans->DWT_Three(spOriginData,spTransData0,spTransData1,biHeight,biHeight/2,biWidth,biWidth/2,3,1.414);
//允许图像复员操作标志
m_bOnce = FALSE;
m_bTwice = FALSE;
m_bTribl = TRUE;
//m_bTribl = m_bTribl & ~m_bTwice & ~m_bOnce & ~m_bFilter;
MaxPixVal=spTransData1[0][0];
MinPixVal=spTransData1[0][0];
//得到小波系数的极大值和极小值
for( y=0; y<(int)biHeight; y++)
{
for( x=0; x<(int)biWidth; x++)
{
if(MaxPixVal<spTransData1[y][x])
MaxPixVal=spTransData1[y][x];
if(MinPixVal>spTransData1[y][x])
MinPixVal=spTransData1[y][x];
//m_WvltCoeff[y][x] = spTransData1[y][x];
}
}
//计算出小波系数的极值差
Diff=MaxPixVal-MinPixVal;
//将图像的小波数据处理后放入显示缓存中
for(y=0; y<(int)biHeight; y++)
{
for(x=0; x<(int)biWidth; x++)
{
//因为小波变换后的小波系数有可能超过255甚至更多,那么就将
//小波系数的范围映射到0~255区间内,以后出现类似的处理,目的都是一样的
fTempBufforDisp=spTransData1[biHeight-1-y][x];
fTempBufforDisp-=MinPixVal;
long num;
num=1<<(lpBitmapInfoHeader->biBitCount/3);
fTempBufforDisp*=num-1;
fTempBufforDisp/=Diff;
cur= y*biAlign+3*x; //current pixel
m_pstore[cur+i]=spTransData1[biHeight-1-y][x];
m_pTransfered[cur+i]= (unsigned char)fTempBufforDisp;
/*
m_pTransfered[cur] = (unsigned char)fTempBufforDisp;
m_pTransfered[cur+1]= (unsigned char)fTempBufforDisp;
m_pTransfered[cur+2]= (unsigned char)fTempBufforDisp;
*/
}
}
}
//删除临时的数据空间
delete spOriginData;
delete spTransData0;
delete spTransData1;
//显示图像的小波变换
UpdateAllViews(NULL);
return;
}
void CWaveletDoc::OnDwtNibianhuan()
{
// TODO: Add your command handler code here
//读取数字图像的文件头,获取图像的属性参数
LPBITMAPINFOHEADER lpBitmapInfoHeader = (LPBITMAPINFOHEADER)(m_pBitmap+14);
LPBITMAPFILEHEADER lpBitmapFileHeader = (LPBITMAPFILEHEADER)m_pBitmap;
unsigned char *lpData = m_pBitmap + lpBitmapFileHeader->bfOffBits;
unsigned long biHeight = lpBitmapInfoHeader->biHeight;
unsigned long biWidth = lpBitmapInfoHeader->biWidth;
unsigned long biAlign = (biWidth*3+3)/4 *4;
unsigned long bmSize = biHeight * biAlign;
if(m_pTransfered==NULL)
m_pTransfered=(unsigned char*) malloc (bmSize);
if(m_pTransfered==NULL)
return;
//图像矩阵的坐标
int x,y,cur;
//图像数据与图像处理数据的存放空间
short **spOriginData, **spTransData0;
spOriginData = new short* [biHeight];
spTransData0 = new short* [biHeight];
//分配数据的内存空间
for(int i = 0; i < biHeight; i ++)
{
spOriginData[i] = new short [biWidth];
spTransData0[i] = new short [biWidth];
}
//创建数字处理类
CWaveletNibianhua *pDip;
//如果图像只经过一次小波变换,则进行相应的逆变换
for (i=0;i<=2;i++)
{
for(y=0; y<(int)biHeight; y++)
{
for(x=0; x<(int)biWidth; x++)
{
cur= y*biAlign+3*x;
m_WaveletCoeff[biHeight-1-y][x]=m_pstore[cur+i];
}
}
if(m_bOnce)
{
pDip->FuYuan(spOriginData, spTransData0, m_WaveletCoeff,biHeight,biHeight/2,biWidth,biWidth/2,1,1.414);
if (i==2)
m_bOnce = FALSE;
//delete m_WvltCoeff;
}
//如果图像只经过两次小波变换,则进行相应的逆变换
else if(m_bTwice)
{
pDip->FuYuan(spOriginData, spTransData0, m_WaveletCoeff,biHeight ,biHeight/2,biWidth,biWidth/2,2,1.414);
if (i==2)
m_bTwice = FALSE;
}
//如果图像只经过三次小波变换,则进行相应的逆变换
else if(m_bTribl)
{
pDip->FuYuan(spOriginData, spTransData0, m_WaveletCoeff, biHeight, biHeight/2,biWidth,biWidth/2,3,1.414);
if (i==2)
m_bTribl = FALSE;
//delete m_WvltCoeff;
}
//判断是否有小波系数可以进行图像的复原
else if(m_bFilter)
{
MessageBoxA(NULL,_T("没有找到可用小波系数,或者是未做小波变换"),_T("Message"),MB_ICONEXCLAMATION|MB_OK);
m_bFilter = FALSE;
}
//将图像数据放入显示缓存中
for(y=0; y<(int)biHeight; y++)
{
for(x=0; x<(int)biWidth; x++)
{
cur= y*biAlign+3*x; //current pixel
m_pTransfered[cur+i]= (unsigned char)spOriginData[biHeight-1-y][x];
}
}
}//for i
delete m_WaveletCoeff;
m_WaveletCoeff=NULL;
//显示图像复原的结果
UpdateAllViews(NULL);
//删除临时的数据内存空间
delete spOriginData;
delete spTransData0;
}
void CWaveletDoc::OnCodeEzw()
{
// TODO: Add your command handler code here
CEzwCode Ezw;
int k=0;
LPBITMAPINFOHEADER lpBitmapInfoHeader = (LPBITMAPINFOHEADER)(m_pBitmap+14);
int biHeight = lpBitmapInfoHeader->biHeight;
int biWidth = lpBitmapInfoHeader->biWidth;
for (k=0;k<=2;k++)
Ezw.EzwQualitition(minthr,biHeight,biWidth,k,m_pstore,&fsize);
return;
}
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