www.pudn.com > ImageProcessing.rar.rar > DlgReg.cpp
// DlgReg.cpp : implementation file
//
#include "stdafx.h"
#include "ImageProcessing.h"
#include "ImageProcessingDoc.h"
#include "GlobalApi.h"
#include "DlgReg.h"
#include "DlgAftReg.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
/////////////////////////////////////////////////////////////////////////////
// CDlgReg dialog
CDlgReg::CDlgReg(CWnd* pParent /*=NULL*/, CImageProcessingDoc* pDoc)
: CDialog(CDlgReg::IDD, pParent)
{
//{{AFX_DATA_INIT(CDlgReg)
// NOTE: the ClassWizard will add member initialization here
//}}AFX_DATA_INIT
// 获取文档类指针
m_pDoc = pDoc;
// 设置计算图象位置标志位位FALSE
m_bCalImgLoc = FALSE;
// 设置基准图象为原始打开的图象
m_pDibInit = pDoc->m_pDibInit;
// 设置待配准图象
m_pDibSamp = new CDib;
// 设置选取特征点的数目初始值
m_nChsFeatureNum = 0;
// 设置选取特征点的标志位为FALSE
m_bChoseFeature = FALSE;
}
void CDlgReg::DoDataExchange(CDataExchange* pDX)
{
CDialog::DoDataExchange(pDX);
//{{AFX_DATA_MAP(CDlgReg)
// NOTE: the ClassWizard will add DDX and DDV calls here
//}}AFX_DATA_MAP
}
BEGIN_MESSAGE_MAP(CDlgReg, CDialog)
//{{AFX_MSG_MAP(CDlgReg)
ON_WM_PAINT()
ON_BN_CLICKED(IDC_REG_OPEN, OnRegOpen)
ON_BN_CLICKED(IDC_REG_REG, OnRegReg)
ON_BN_CLICKED(IDC_REG_CHOSE_FEATURE, OnRegChoseFeature)
ON_WM_LBUTTONUP()
ON_WM_MOUSEMOVE()
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CDlgReg message handlers
void CDlgReg::OnPaint()
{
CPaintDC dc(this); // device context for painting
// 如果还没有计算图象的位置,则进行计算
if(!m_bCalImgLoc){
CalImageLocation();
}
CSize sizeDisplay;
CPoint pointDisplay;
// 显示基准图象
if(!m_pDibInit->IsEmpty()){
sizeDisplay.cx=m_pDibInit->m_lpBMIH->biWidth;
sizeDisplay.cy=m_pDibInit->m_lpBMIH->biHeight;
pointDisplay.x = m_rectInitImage.left;//基准图象
pointDisplay.y = m_rectInitImage.top;
m_pDibInit->Draw(&dc,pointDisplay,sizeDisplay);
}
// 显示待配准图象
if(!m_pDibSamp->IsEmpty()){
sizeDisplay.cx=m_pDibSamp->m_lpBMIH->biWidth;
sizeDisplay.cy=m_pDibSamp->m_lpBMIH->biHeight;
pointDisplay.x = m_rectResltImage.left;
pointDisplay.y = m_rectResltImage.top;
m_pDibSamp->Draw(&dc,pointDisplay,sizeDisplay);
}
// 显示特征点与配准的特征点
DrawFeature(&dc);
}
/*************************************************************************
*
* \函数名称:
* CalImageLocation()
*
* \输入参数:
* 无
*
* \返回值:
* 无
*
* \说明:
* 该函数设置对话框中的控件位置和大小,并设置显示图象的位置。默认的图象大小为352×288,如果图象小于
*此大小,则控件大小设置为352×288,并将图象放置在控件中间。
*
*************************************************************************
*/
void CDlgReg::CalImageLocation()
{
// 获得控件IDC_REG_INIT_IMAGE的句柄,并获得控件的初始位置信息
CWnd* pWnd=GetDlgItem(IDC_REG_INIT_IMAGE);//picture 控件的ID
WINDOWPLACEMENT *winPlacement;
winPlacement=new WINDOWPLACEMENT;
pWnd->GetWindowPlacement(winPlacement);
// 图象宽度
int nImageWidth;
nImageWidth = m_pDibInit->m_lpBMIH->biWidth;
// 图象高度
int nImageHeight;
nImageHeight = m_pDibInit->m_lpBMIH->biHeight;
// 调整控件IDC_REG_INIT_IMAGE的大小位置,并同时设置显示基准图象的位置
if(nImageHeight > 352){
winPlacement->rcNormalPosition.bottom = winPlacement->rcNormalPosition.top + nImageHeight;
m_rectInitImage.bottom = winPlacement->rcNormalPosition.bottom;
m_rectInitImage.top = winPlacement->rcNormalPosition.top;
}
else{
winPlacement->rcNormalPosition.bottom = winPlacement->rcNormalPosition.top + 352;
m_rectInitImage.bottom = winPlacement->rcNormalPosition.top + 176 + nImageHeight/2;
m_rectInitImage.top = winPlacement->rcNormalPosition.top + 176 - nImageHeight/2;
}
if(nImageWidth > 288){
winPlacement->rcNormalPosition.right = winPlacement->rcNormalPosition.left + nImageWidth;
m_rectInitImage.right = winPlacement->rcNormalPosition.right;
m_rectInitImage.left = winPlacement->rcNormalPosition.left;
}
else{
winPlacement->rcNormalPosition.right = winPlacement->rcNormalPosition.left + 288;
m_rectInitImage.right = winPlacement->rcNormalPosition.left + 144 + nImageWidth/2;
m_rectInitImage.left = winPlacement->rcNormalPosition.left + 144 - nImageWidth/2;
}
// 设置IDC_REG_INIT_IMAGE控件的大小位置
pWnd->SetWindowPlacement(winPlacement);
// 获得显示基准图象控件的右边位置,以便确认显示待配准图象控件的位置
int nIniImgRight;
nIniImgRight = winPlacement->rcNormalPosition.right;
int nIniImgLeft;
nIniImgLeft = winPlacement->rcNormalPosition.left;
// 获得IDC_REG_INIT_IMAGE控件的下边位置,以便调整其他控件的位置
int nIniImgBottom;
nIniImgBottom = winPlacement->rcNormalPosition.bottom;
// 获得控件IDC_REG_RESLT_IMAGE的句柄,并获得初始位置信息
pWnd=GetDlgItem(IDC_REG_RESLT_IMAGE);
pWnd->GetWindowPlacement(winPlacement);
// 如果还未打开待配准图象,则设置待配准图象大小和基准图象大小相等
if(!m_pDibSamp->IsEmpty()){
nImageWidth = m_pDibSamp->m_lpBMIH->biWidth;
nImageHeight = m_pDibSamp->m_lpBMIH->biHeight;
}
// 调整控件IDC_REG_RESLT_IMAGE的大小位置,并同时设置显示待配准图象的位置
// 先调整控件的左边位置,和IDC_REG_INIT_IMAGE控件相隔15个象素
winPlacement->rcNormalPosition.left = nIniImgRight + 15;
if(nImageHeight > 352){
winPlacement->rcNormalPosition.bottom = winPlacement->rcNormalPosition.top + nImageHeight;
m_rectResltImage.bottom = winPlacement->rcNormalPosition.bottom;
m_rectResltImage.top = winPlacement->rcNormalPosition.top;
}
else{
winPlacement->rcNormalPosition.bottom = winPlacement->rcNormalPosition.top + 352;
m_rectResltImage.bottom = winPlacement->rcNormalPosition.top + 176 + nImageHeight/2;
m_rectResltImage.top = winPlacement->rcNormalPosition.top + 176 - nImageHeight/2;
}
if(nImageWidth > 288){
winPlacement->rcNormalPosition.right = winPlacement->rcNormalPosition.left + nImageWidth;
m_rectResltImage.right = winPlacement->rcNormalPosition.right;
m_rectResltImage.left = winPlacement->rcNormalPosition.left;
}
else{
winPlacement->rcNormalPosition.right = winPlacement->rcNormalPosition.left + 288;
m_rectResltImage.right = winPlacement->rcNormalPosition.left + 144 + nImageWidth/2;
m_rectResltImage.left = winPlacement->rcNormalPosition.left + 144 - nImageWidth/2;
}
// 设置IDC_REG_RESLT_IMAGE控件的大小位置
pWnd->SetWindowPlacement(winPlacement);
if(nIniImgBottom < winPlacement->rcNormalPosition.bottom)
nIniImgBottom = winPlacement->rcNormalPosition.bottom;
nIniImgBottom = winPlacement->rcNormalPosition.bottom;
nIniImgRight = winPlacement->rcNormalPosition.right;
// 设置控件IDOK的位置大小
pWnd=GetDlgItem(IDOK);
pWnd->GetWindowPlacement(winPlacement);
winPlacement->rcNormalPosition.top = nIniImgBottom +15;
winPlacement->rcNormalPosition.bottom = nIniImgBottom + 60;
pWnd->SetWindowPlacement(winPlacement);
// 设置控件IDCANCEL的位置大小
pWnd=GetDlgItem(IDCANCEL);
pWnd->GetWindowPlacement(winPlacement);
winPlacement->rcNormalPosition.top = nIniImgBottom +15;
winPlacement->rcNormalPosition.bottom = nIniImgBottom + 60;
pWnd->SetWindowPlacement(winPlacement);
// 设置控件IDC_REG_OPEN的位置大小
pWnd=GetDlgItem(IDC_REG_OPEN);
pWnd->GetWindowPlacement(winPlacement);
winPlacement->rcNormalPosition.top = nIniImgBottom +15;
winPlacement->rcNormalPosition.bottom = nIniImgBottom + 60;
pWnd->SetWindowPlacement(winPlacement);
// 设置控件IDC_REG_REG的位置大小
pWnd=GetDlgItem(IDC_REG_REG);
pWnd->GetWindowPlacement(winPlacement);
winPlacement->rcNormalPosition.top = nIniImgBottom +15;
winPlacement->rcNormalPosition.bottom = nIniImgBottom + 60;
pWnd->SetWindowPlacement(winPlacement);
// 设置控件IDC_REG_CHOSE_FEATUR的位置大小
pWnd=GetDlgItem(IDC_REG_CHOSE_FEATURE);
pWnd->GetWindowPlacement(winPlacement);
winPlacement->rcNormalPosition.top = nIniImgBottom +15;
winPlacement->rcNormalPosition.bottom = nIniImgBottom + 60;
pWnd->SetWindowPlacement(winPlacement);
// 调整此对话框的大小
//pWnd = GetDlgItem(IDD_DLG_REG);
this->GetWindowPlacement(winPlacement);
//winPlacement->rcNormalPosition.top = nIniImgBottom +15;
winPlacement->rcNormalPosition.bottom = nIniImgBottom + 300;
winPlacement->rcNormalPosition.left = nIniImgLeft - 20;
winPlacement->rcNormalPosition.right = nIniImgRight + 20;
this->SetWindowPlacement(winPlacement);
// 释放已分配内存
delete winPlacement;
// 设置计算图象控件位置标志位为TRUE
m_bCalImgLoc = TRUE;
}
/*************************************************************************
*
* \函数名称:
* DrawFeature()
*
* \输入参数:
* 无
*
* \返回值:
* 无
*
* \说明:
* 该函数根据类的成员变量确定特征点的数目和位置,并在图象中进行显示。
*
*************************************************************************
*/
void CDlgReg::DrawFeature(CDC* pDC)
{
// 循环变量
int i;
// 临时变量
CPoint pointTemp;
// 半径
int nRadius;
nRadius = 5;
// 设置画图类型
pDC->SelectStockObject(HOLLOW_BRUSH);
// 声明画笔
CPen penRed(PS_SOLID,1,RGB(255,0,0));
CPen *pOldPen;
// 将画笔选入,并保存以前的画笔
pOldPen = pDC->SelectObject(&penRed);
for(i=0; iEllipse(rectSamp);
// 再显示配准特征点
// 确定此点的显示位置
pointTemp.x = m_pPointBase[i].x + m_rectInitImage.left;
pointTemp.y = m_pPointBase[i].y + m_rectInitImage.top ;
// 画出此特征点,其中园的半径为nRadius
CRect rectBase(pointTemp.x-nRadius , pointTemp.y-nRadius ,
pointTemp.x+nRadius , pointTemp.y+nRadius);
pDC->Ellipse(rectBase);
}
// 回复以前的画笔
pDC->SelectObject(pOldPen);
penRed.DeleteObject();
}
/*************************************************************************
*
* \函数名称:
* OnRegOpen()
*
* \输入参数:
* 无
*
* \返回值:
* 无
*
* \说明:
* 该函数打开待配准图象,并将图象存放在m_pDibSamp中。
*
*************************************************************************
*/
void CDlgReg::OnRegOpen()
{
// TODO: Add your control notification handler code here
CFileDialog dlg(TRUE,"bmp","*.bmp");
if(dlg.DoModal() == IDOK)
{
CFile file;
CString strPathName;
strPathName = dlg.GetPathName();
// 打开文件
if( !file.Open(strPathName, CFile::modeRead | CFile::shareDenyWrite))
{
// 返回
return ;
}
// 读入模板图象
if(!m_pDibSamp->Read(&file)){
// 恢复光标形状
EndWaitCursor();
// 清空已分配内存
m_pDibSamp->Empty();
// 返回
return;
}
}
// 判断是否是8-bpp位图(这里为了方便,只处理8-bpp位图的模板配准,其它的可以类推)
if(m_pDibSamp->m_nColorTableEntries != 256)
{
// 提示用户
MessageBox("目前只支持256色位图!", "系统提示" , MB_ICONINFORMATION | MB_OK);
// 清空已分配内存
m_pDibSamp->Empty();
// 返回
return;
}
// 如果打开新的待配准文件,将图象位置设置标志位设为FALSE,以便再次调整位置
m_bCalImgLoc = FALSE;
// 更新显示
this->UpdateData();
this->Invalidate();
}
/*************************************************************************
*
* \函数名称:
* OnRegChoseFeatureOnRegReg()
*
* \输入参数:
* 无
*
* \返回值:
* 无
*
* \说明:
* 该函数设置选取特征点标志位,然后调用函数在待配准图象中选取特征点,并
*配准这些特征点。特征点的数目至少应该选取三个。
*
*************************************************************************
*/
void CDlgReg::OnRegChoseFeature()
{
// 如果待配准图象尚未打开,则不能进行特征点选取工作
if((m_pDibSamp->IsEmpty())){
AfxMessageBox("尚未打开待配准图象文件,请打开待配准图象");
return;
}
// 设置选取特征点标志位
m_bChoseFeature = TRUE;
AfxMessageBox("请在待配准图象中选取特征点");
}
/*************************************************************************
*
* \函数名称:
* OnLButtonUp()
*
* \输入参数:
* 无
*
* \返回值:
* 无
*
* \说明:
* 该函数根据鼠标所标定的位置设置特征点。然后调用特征配准函数配准此特征点。
*特征点的数目至少应该选取三个。
*
*************************************************************************
*/
void CDlgReg::OnLButtonUp(UINT nFlags, CPoint point)
{
// 循环变量
int i,j;
// 如果特征选取标志位为TRUE,则进行特征点的选取和配准,否则退出
if(!m_bChoseFeature){
return;
}
// 待配准图象的特征选取区域,在这里选择特征点的选择区域要比图象的区
// 域小一圈
CRect rectChoose;
rectChoose.bottom = m_rectResltImage.bottom - 5;
rectChoose.top = m_rectResltImage.top + 5;
rectChoose.left = m_rectResltImage.left + 5;
rectChoose.right = m_rectResltImage.right - 5;
// 特征点的区域
CRect rectFeature;
// 标志位,表示此点是否是已经选择的特征点
BOOL bFlag = FALSE;
// 判断此点是否合法,并判断此点是否已经选择,如果是,则去掉此点
if(rectChoose.PtInRect(point))
{
// 如果所选择的特征点是以前的特征点,则去掉此点
for( i = 0; im_lpImage;
// 待配准图象数据指针
unsigned char* pSamp;
pSamp = (unsigned char *)pDibSamp->m_lpImage;
// 特征点位置的数据配准块
unsigned char* pUnchSampBlock;
pUnchSampBlock = new unsigned char[nBlockLen*nBlockLen];
// 临时分配内存,用于存放配准数据块
unsigned char* pUnchBaseBlock;
pUnchBaseBlock = new unsigned char[nBlockLen*nBlockLen];
// 相似度
double dbCor;
// 最大相似度
double dbMaxCor = 0;
// 基准图象的存储大小
CSize sizeBaseImg;
sizeBaseImg = pDibBase->GetDibSaveDim();
// 待配准图象的存储大小
CSize sizeSampImg;
sizeSampImg = pDibSamp->GetDibSaveDim();
// 从待配准图象中提取以特征点为中心的nBlockLen*nBlockLen0的数据块
for(i=-nBlockHalfLen; i<=nBlockHalfLen; i++){
for(j=-nBlockHalfLen; j<=nBlockHalfLen; j++){
// 计算此点在图象中的位置
nX = pointSamp.x + i;
nY = sizeSampImg.cy - pointSamp.y + j +1;
// 提取图象数据
pUnchSampBlock[(j+nBlockHalfLen)*nBlockLen + (i+nBlockHalfLen)] =
pSamp[nY*sizeSampImg.cx + nX];
}
}
// 基准图象的高度和宽度
int nBaseImgHeight, nBaseImgWidth;
nBaseImgHeight = pDibBase->m_lpBMIH->biHeight;
nBaseImgWidth = pDibBase->m_lpBMIH->biWidth;
// 在基准图象中寻找配准特征点,采取的搜索方法为全局搜索
for(m = nBlockHalfLen; m< nBaseImgHeight-nBlockHalfLen; m++){
for(n=nBlockHalfLen; n dbMaxCor){
dbMaxCor = dbCor;
pointBase.x = n;
pointBase.y = m;
}
}
}
return pointBase;
}
/*************************************************************************
*
* \函数名称:
* CalCorrelation()
*
* \输入参数:
* unsigned char* pBase - 基准图象数据指针
* unsigned char* pSamp - 待配准图象数据指针
* int nBlockLen - 配准数据块的尺度大小
*
* \返回值:
* double - 返回两个数据块配准的相似度
*
* \说明:
* 该函数对给定的两个大小为nBlockLen*nBlockLen的数据块,计算两者之间的
*的配准相似度。其中,去掉均值以消除亮度变换的影响。
*
*************************************************************************
*/
double CDlgReg::CalCorrelation(unsigned char* pBase, unsigned char* pSamp, int nBlockLen)
{
// 临时变量
double dbSelfBase=0,dbSelfSamp=0;
// 相似度
double dbCor=0;
// 块均值
double dbMeanBase=0,dbMeanSamp=0;
// 计算两个块的平均值
for(int i=0;iGetDibSaveDim();
// 拷贝调色板
memcpy(m_pDibResult->m_lpvColorTable, m_pDibInit->m_lpvColorTable, m_pDibResult->m_nColorTableEntries*sizeof(RGBQUAD));
// 应用调色板
m_pDibResult->MakePalette();
// 分配内存给合并后的图象
LPBYTE lpImgResult;
lpImgResult = (LPBYTE)new unsigned char[sizeSaveResult.cx * sizeSaveResult.cy];
// 对图象进行赋值
for( int i=0; im_lpImage = lpImgResult;
// 显示合并后的图象
CDlgAftReg* pDlg;
pDlg = new CDlgAftReg(NULL, m_pDibResult);
pDlg->DoModal();
// 删除对象
delete pDlg;
// 释放已分配内存
delete[]lpBaseImg;
delete[]lpSampImg;
delete[]pDbBs2SpAffPara;
delete[]pDbSp2BsAffPara;
}
/*************************************************************************
*
* \函数名称:
* GetAffinePara()
*
* \输入参数:
* double *pDbBs2SpAffPara - 用于存放基准图象到待配准图象的仿射变换系数
* double *pDbSp2BsAffPara - 用于存放待配准图象到基准图象的仿射变换系数
*
* \返回值:
* 无
*
* \说明:
* 该函数根据得到的三对配准的特征点,计算仿射变换系数。得到的仿射变换系数
*存放在两个输入参数所指向的内存中。
*
*************************************************************************
*/
void CDlgReg::GetAffinePara(CPoint* pPointBase, CPoint* pPointSampl, double* pDbAffPara)
{
// pDbBMatrix中存放的是基准图象中特征点的坐标,
// 大小为2*m_nChsFeatureNum,前m_nChsFeatureNum为X坐标
double *pDbBMatrix;
pDbBMatrix = new double[2*m_nChsFeatureNum];
// pDbSMatrix中存放的是待配准图象中特征点的扩展坐标
// 大小为3*m_nChsFeatureNum,其中前m_nChsFeatureNum为X坐标
// 中间m_nChsFeatureNum个为Y坐标,后面m_nChsFeatureNum为1
double *pDbSMatrix;
pDbSMatrix = new double[3*m_nChsFeatureNum];
// pDbSMatrixT中存放的pDbSMatrix的转置矩阵,
// 大小为m_nChsFeatureNum*3
double *pDbSMatrixT;
pDbSMatrixT = new double[m_nChsFeatureNum*3];
// pDbInvMatrix为临时变量,存放的是pDbSMatrix*pDbSMatrixT的逆
// 大小为3*3
double *pDbInvMatrix;
pDbInvMatrix = new double[3*3];
// 临时内存
double *pDbTemp;
pDbTemp = new double[2*3];
// 循环变量
int count;
// 给矩阵赋值
for(count = 0; countd)
{
d = p;
is[k] = i;
js[k] = j;
}
}
if(d+1.0==1.0)
{
delete is;
delete js;
return FALSE;
}
if(is[k] != k)
for(j=0;j=0; k--)
{
if(js[k] != k)
for(j=0; jm_lpBMIH->biWidth;
nBaseImgHeight= m_pDibInit->m_lpBMIH->biHeight;
// 待配准图象的宽度和高度
int nSamplImgWidth, nSamplImgHeight;
nSamplImgWidth = m_pDibSamp->m_lpBMIH->biWidth;
nSamplImgHeight= m_pDibSamp->m_lpBMIH->biHeight;
// 基准图象的原始区域
CRect rectBase(0,0,nBaseImgWidth,nBaseImgHeight);
// 临时变量
CPoint pointTemp;
double tx,ty;
// 图象的端点
pointTemp.x = 0;
pointTemp.y = 0;
// 计算点pointTemp经过仿射变换后的坐标
tx = pDbAffPara[0*3 +0]*pointTemp.x +
pDbAffPara[0*3 + 1]*pointTemp.y + pDbAffPara[0*3 + 2];
ty = pDbAffPara[1*3 + 0]*pointTemp.x +
pDbAffPara[1*3 + 1]*pointTemp.y + pDbAffPara[1*3 + 2];
// 判断pointTemp经过仿射变换后是否超出原来的大小
if(txrectBase.right)
rectBase.right = (int)tx+1;
if(tyrectBase.bottom)
rectBase.bottom = (int)ty+1;
// 计算端点(0, nSamplImgHeight)变换后的坐标
pointTemp.x = 0; pointTemp.y = nSamplImgHeight;
tx = pDbAffPara[0*3 + 0]*pointTemp.x +
pDbAffPara[0*3 + 1]*pointTemp.y + pDbAffPara[0*3 + 2];
ty = pDbAffPara[1*3 +0]*pointTemp.x +
pDbAffPara[1*3 + 1]*pointTemp.y + pDbAffPara[1*3 + 2];
// 判断是否越界
if(txrectBase.right)
rectBase.right = (int)tx+1;
if(tyrectBase.bottom)
rectBase.bottom = (int)ty+1;
// 计算端点(nSamplImgWidth, nSamplImgHeight)变换后的坐标
pointTemp.x = nSamplImgWidth; pointTemp.y = nSamplImgHeight;
tx = pDbAffPara[0*3 + 0]*pointTemp.x +
pDbAffPara[0*3 + 1]*pointTemp.y + pDbAffPara[0*3 + 2];
ty = pDbAffPara[1*3 + 0]*pointTemp.x +
pDbAffPara[1*3 + 1]*pointTemp.y + pDbAffPara[1*3 + 2];
// 判断是否越界
if(txrectBase.right)
rectBase.right = (int)tx+1;
if(tyrectBase.bottom)
rectBase.bottom = (int)ty+1;
// 计算端点(nSamplImgWidth, 0)变换后的坐标
pointTemp.x = nSamplImgWidth; pointTemp.y = 0;
tx = pDbAffPara[0*3 + 0]*pointTemp.x +
pDbAffPara[0*3 + 1]*pointTemp.y + pDbAffPara[0*3 + 2];
ty = pDbAffPara[1*3 + 0]*pointTemp.x +
pDbAffPara[1*3 + 1]*pointTemp.y + pDbAffPara[1*3 + 2];
// 判断是否越界
if(txrectBase.right)
rectBase.right = (int)tx+1;
if(tyrectBase.bottom)
rectBase.bottom = (int)ty+1;
// 返回待配准图象变换后的区域大小
return(rectBase);
}
/*************************************************************************
*
* \函数名称:
* SetSampImgAftAff()
*
* \输入参数:
* double *pDbAffPara - 仿射变换系数矩阵
* CRect rectNewImg - 变换后图象的大小尺寸
*
* \返回值:
* LPBYTE - 返回变换后的图象
*
* \说明:
* 该函数根据仿射变换系数,计算待配准图象仿射变换后的图象。并返回此图象指针
*此图象的大小为rectNewImg
*
*************************************************************************
*/
LPBYTE CDlgReg::SetSampImgAftAff(double* pDbAffPara, CRect rectNewImg)
{
// pUnchSect是4*4大小的矩阵数组
unsigned char *pUnchSect;
pUnchSect = new unsigned char[4*4];
// 新的图象宽度和高度
int nNewImgWidth, nNewImgHeight;
nNewImgWidth = rectNewImg.right - rectNewImg.left;
nNewImgHeight = rectNewImg.bottom- rectNewImg.top;
// 待配准图象的宽度和高度
int nSamplImgWidth, nSamplImgHeight;
nSamplImgWidth = m_pDibSamp->m_lpBMIH->biWidth;
nSamplImgHeight= m_pDibSamp->m_lpBMIH->biHeight;
// 待配准图象的存储宽度
int nSampSaveWidth;
nSampSaveWidth = m_pDibSamp->GetDibSaveDim().cx;
// pUnchAftAffSamp是一个大小为rectNewImg大小的图象,
// 其中rectNewImg表示变换后的图象大小
unsigned char *pUnchAftAffSamp;
pUnchAftAffSamp = new unsigned char[nNewImgWidth * nNewImgHeight];
double tx,ty;
// 计算在变换后的图象的数据
for(int i=0;i=nSamplImgHeight||n<0||n>=nSamplImgWidth)
pUnchSect[(m-(int)ty+1)*4 + (n-(int)tx+1)] =0;
else
pUnchSect[(m-(int)ty+1)*4 + (n-(int)tx+1)] =
m_pDibSamp->m_lpImage[(nSamplImgHeight-m-1)*nSampSaveWidth + n];
}
// 确定变换的坐标
ty = ty - (int)ty + 1;
tx = tx - (int)tx + 1;
// 确定变换后此坐标的数值
pUnchAftAffSamp[i*nNewImgWidth + j] = CalSpline(pUnchSect,tx,ty);
}
// 是否内存
delete[]pUnchSect;
// 返回指针
return (LPBYTE)pUnchAftAffSamp;
}
/*************************************************************************
*
* \函数名称:
* CalSpline()
*
* \输入参数:
* unsigned char *pUnchCorr - 插值的点
* double dX - X坐标
* double dY - Y坐标
*
* \返回值:
* unsigned char - 插值后的值
*
* \说明:
* 该函数根据邻近位置的数值进行插值。
*此图象的大小为rectNewImg
*
*************************************************************************
*/
unsigned char CDlgReg::CalSpline(unsigned char *pUnchCorr, double x, double y)
{
double ret=0, Cx, Cy;
double Temp;
for(int i=0;i<4;i++)
for(int j=0;j<4;j++)
{
Temp = pUnchCorr[i*4 + j];
if(fabs(y-i)<1)
Cy = 1-2*fabs(y-i)*fabs(y-i)+fabs(y-i)*fabs(y-i)*fabs(y-i);
if(fabs(y-i)>=1)
Cy = 4-8*fabs(y-i)+5*fabs(y-i)*fabs(y-i)-fabs(y-i)*fabs(y-i)*fabs(y-i);
if(fabs(x-j)<1)
Cx = 1-2*fabs(x-j)*fabs(x-j)+fabs(x-j)*fabs(x-j)*fabs(x-j);
if(fabs(x-j)>=1)
Cx = 4-8*fabs(x-j)+5*fabs(x-j)*fabs(x-j)-fabs(x-j)*fabs(x-j)*fabs(x-j);
ret += Temp*Cy*Cx;
}
if(ret<0)
ret=0;
if(ret>255)
ret=255;
return (unsigned char)ret;
}
/*************************************************************************
*
* \函数名称:
* SetBaseImgAftAff()
*
* \输入参数:
* double *pDbAffPara - 仿射变换系数矩阵
*
* \返回值:
* 无
*
* \说明:
* 该函数根据仿射变换系数,计算基准图象仿射变换后的图象,并返回存放此
*数据的指针
*
*************************************************************************
*/
LPBYTE CDlgReg::SetBaseImgAftAff(CRect rectNewImg)
{
// 新图象的大小
int nNewImgWidth, nNewImgHeight;
nNewImgWidth = rectNewImg.right - rectNewImg.left;
nNewImgHeight = rectNewImg.bottom - rectNewImg.top;
// 变换后图象
unsigned char *pUnchAftAffBase;
pUnchAftAffBase = new unsigned char[nNewImgWidth*nNewImgHeight];
// 基准图象的高度和宽度
int nBaseWidth, nBaseHeight;
nBaseWidth = m_pDibInit->m_lpBMIH->biWidth;
nBaseHeight = m_pDibInit->m_lpBMIH->biHeight;
// 基准图象的存储宽度
int nBaseSaveWidth;
nBaseSaveWidth = m_pDibInit->GetDibSaveDim().cx;
// 待配准图象的宽度和高度
int nSamplImgWidth, nSamplImgHeight;
nSamplImgWidth = m_pDibSamp->m_lpBMIH->biWidth;
nSamplImgHeight= m_pDibSamp->m_lpBMIH->biHeight;
//重叠的宽度
int M=nBaseWidth+nSamplImgWidth-nNewImgWidth+1;
for(int i=0;i=-rectNewImg.top+nBaseHeight||j<-rectNewImg.left||j>=-rectNewImg.left+nBaseWidth-M)
pUnchAftAffBase[i*nNewImgWidth + j] = 0;
else
pUnchAftAffBase[i*nNewImgWidth + j] = m_pDibInit->m_lpImage[(nBaseHeight - (i+rectNewImg.top) - 1)*nBaseSaveWidth + (j+rectNewImg.left)];
}
// 返回
return (LPBYTE)pUnchAftAffBase;
}