childview.cpp

给出了用VC++进行编写的数字识别系统源代码

				j_src=j+counts*w;
				lpSrc=(BYTE *)lpDIBBits + lLineBytes *  i_src + j_src;
				lpDst=(BYTE *)lpNewDIBBits + lLineBytesnew * i + j;
				*lpDst=*lpSrc;
			}
		::GlobalUnlock (hDIB);
		m_dibRect.push_back (hDIB);
		counts++;
	}
	m_charRect=m_charRectCopy;
	m_dibRectCopy=m_dibRect;
	//输出为.bmp文件
	CString str;
	counts=1;
	while(!m_dibRect.empty ())
	{
		str.Format ("part%d.bmp",counts);
		//str=strPath+"\\"+str;
   		CFile file(str, CFile::modeReadWrite|CFile::modeCreate);
		hDIB=m_dibRect.front ();
		::SaveDIB (hDIB,file);
		m_dibRect.pop_front ();
		file.Close ();	
		counts++;
	}
	m_dibRect=m_dibRectCopy;
}

void CChildView::OnImgprcThinning() 
{
	 Thinning(m_hDIB);	
	//在屏幕上显示位图
	CDC* pDC=GetDC();
	DisplayDIB(pDC,m_hDIB);	
}



void CChildView::OnInputGuiyihuaInfo() 
{
	CINPUT1 input;
	input.w =8;
	input.h =16;
	if(input.DoModal ()!=IDOK) return;
	w_sample=input.w;
	h_sample=input.h;
	gyhinfoinput=true;
}

void CChildView::OnBpnetTrain() 
{
	OnImgprcAll();
	//判断是否经过了归一划的处理
	if(gyhfinished==false)
	{
		//如果没有进行提示错误并返回
		::MessageBox(NULL,"没有进行归一划预处理",NULL,MB_ICONSTOP);
		return;
	}
	
	//建立BP网络训练参数对话框
	
	CDBpParamater BpPa;
	
	//初始化变量
	BpPa.m_a=0;
	BpPa.m_eta=0.015;
	BpPa.m_ex=0.001;
	BpPa.m_hn=10;
	
	// 显示对话框
	if(BpPa.DoModal()!=IDOK)
	{
		//返回
		return;
	}
	//用户获得参数信息
	
	//相关系数
	double  momentum=BpPa.m_a; 
	//最小均方误差
	double  min_ex=BpPa.m_ex; 
	//隐层数目
	int  n_hidden=BpPa.m_hn; 
	//训练步长
	double eta=BpPa.m_eta;
	
	
	
	//获得指向DIB的指针
	BYTE *lpDIB=(BYTE*)::GlobalLock((HGLOBAL) m_hDIB);
	
	//获得指向DIB象素的指针，并指向象素的起始位置
	BYTE *lpDIBBits =(BYTE*)::FindDIBBits((char *)lpDIB);
	
	//获得颜色信息
	int numColors=(int) ::DIBNumColors((char *)lpDIB);
	//不是灰度图返回
    if (numColors!=256) 
	{
		::GlobalUnlock((HGLOBAL) m_hDIB);
		::MessageBox(NULL,"只能处理灰度图像",NULL,MB_ICONSTOP);
		return;
	}
	
	//获取图像的宽度
    LONG lWidth = (LONG) ::DIBWidth((char *)lpDIB); 
	
	//获取图像的高度
	LONG lHeight = (LONG) ::DIBHeight((char *)lpDIB);
	
	//计算图像每行的字节数
	LONG lLineByte = (lWidth+3)/4*4; 
	
	//归一化的宽度
	LONG lSwidth = w_sample;
	
	//归一化的高度
	LONG LSheight = h_sample;
	
	//指向输入样本的特征向量的指针  
	double **data_in;
	//从输入的训练样本中提取特征向量
	data_in = code ( lpDIBBits, digicount,  lLineByte, lSwidth, LSheight);
	
	//计算输入层结点的数目
	
	int n_in = LSheight*lSwidth;
	
	double out[][4]={      0.1,0.1,0.1,0.1,
		0.1,0.1,0.1,0.9,
		0.1,0.1,0.9,0.1,
		0.1,0.1,0.9,0.9,
		0.1,0.9,0.1,0.1,
		0.1,0.9,0.1,0.9,
		0.1,0.9,0.9,0.1,
		0.1,0.9,0.9,0.9,
		0.9,0.1,0.1,0.1,
		0.9,0.1,0.1,0.9};
	
	
	
	double **data_out;
	
	data_out = alloc_2d_dbl(digicount,4);
	
	for(int i=0;i<digicount;i++)
	{
		for(int j=0;j<4;j++)
			data_out[i][j]=out[i%10][j];
		
	}
	
	BpTrain( data_in, data_out, n_in,n_hidden,min_ex,momentum,eta,digicount);
	
	::GlobalUnlock(m_hDIB);
	
	CDC* pDC=GetDC();
	DisplayDIB(pDC,m_hDIB);
	
}



void CChildView::OnBpnetRecognize() 
{
	// TODO: Add your command handler code here
	OnImgprcAll();
	//判断是否经过了归一划的处理
	if(gyhfinished==false)
	{
		//如果没有进行提示错误并返回
		::MessageBox(NULL,"没有进行归一划预处理",NULL,MB_ICONSTOP);
		return;
	}
	//获得指向DIB的指针
	BYTE *lpDIB=(BYTE*)::GlobalLock((HGLOBAL) m_hDIB);
	
	//获得指向DIB象素的指针，并指向象素的起始位置
	BYTE *lpDIBBits =(BYTE*)::FindDIBBits((char *)lpDIB);
	
	//获得颜色信息
	int numColors=(int) ::DIBNumColors((char *)lpDIB);
	//不是灰度图返回
    if (numColors!=256) 
	{
		::GlobalUnlock((HGLOBAL) m_hDIB);
		::MessageBox(NULL,"只能处理256色图像",NULL,MB_ICONSTOP);
		return;
	}
	
	//获取图像的宽度
    LONG lWidth = (LONG) ::DIBWidth((char *)lpDIB); 
	
	//获取图像的高度
	LONG lHeight = (LONG) ::DIBHeight((char *)lpDIB);
	
	//计算图像每行的字节数
	LONG lLineByte = (lWidth+3)/4*4; 
	
	//归一化的宽度
	LONG lSwidth = w_sample;
	
	//归一化的高度
	LONG LSheight = h_sample;
	
	// 读取结点信息
	int n[3];
	if(r_num(n,"num")==false)
		return;
	//获得输入层结点数目
	int  n_in=n[0];
	//获得隐层结点数目
	int  n_hidden=n[1];
	//获得输出层结点数目
	int  n_out=n[2];  
	
	//判断待识别样本的归一划信息是否与训练时相同
	if(n_in!=lSwidth*LSheight)
	{
		//如果不相同提示错误并返回
		::MessageBox(NULL,"归一划尺寸与上一次训练时不一致",NULL,MB_ICONSTOP);
		return;
	}
	
	//指向输入样本的特征向量的指针  
	double **data_in;
	//从输入的训练样本中提取特征向量
	data_in = code ( lpDIBBits, digicount,  lLineByte, lSwidth, LSheight);
	
	//根据提取的特征进行样本识别
	CodeRecognize(data_in, digicount,n_in,n_hidden,n_out);
	::GlobalUnlock(m_hDIB);
	
	CDC* pDC=GetDC();
	DisplayDIB(pDC,m_hDIB);
	
}

void CChildView::OnDraw(CDC *pDC)
{
	if(m_hDIB!=NULL) 
		DisplayDIB(pDC,m_hDIB);
}


void CChildView::Onaver() 
{
	// TODO: Add your command handler code here
//设定模板参数
	double tem[9]={1,1,1,
		           1,1,1,
				   1,1,1};

    //设定模板系数
    double  xishu = 0.111111;   

    //进行模板操作
	m_hDIB =Template(m_hDIB,tem ,3,3, xishu);

	//显示图像
	CDC* pDC=GetDC();
	DisplayDIB(pDC,m_hDIB);
	
}

void CChildView::OnGass() 
{
	// TODO: Add your command handler code here
   
	//设定模板参数
	double tem[9]={1,2,1,
		           2,4,2,
				   1,2,1};

    //设定模板系数
    double  xishu = 0.0625;   

    //进行模板操作
	m_hDIB =Template(m_hDIB,tem ,3,3, xishu);

	//显示图像
	CDC* pDC=GetDC();
	DisplayDIB(pDC,m_hDIB);
}

void CChildView::OnMid() 
{
	// TODO: Add your command handler code here
	//进行中值滤波
	m_hDIB =MidFilter(m_hDIB,3,3);

	//显示图像
	CDC* pDC=GetDC();
	DisplayDIB(pDC,m_hDIB);
}

void CChildView::OnImgprcEqualize() 
{
	Equalize(m_hDIB);

	//显示图像
	CDC* pDC=GetDC();
	DisplayDIB(pDC,m_hDIB);
}