Click here to Skip to main content
15,885,435 members
Articles / Desktop Programming / MFC

Neural Network for Recognition of Handwritten Digits

Rate me:
Please Sign up or sign in to vote.
4.97/5 (240 votes)
5 Dec 200668 min read 2M   57.5K   571  
A convolutional neural network achieves 99.26% accuracy on a modified NIST database of hand-written digits.
#if !defined(AFX_WNDGRAPHICMSE_H__68A13782_32AC_4A66_B46A_3D3475E7CA82__INCLUDED_)
#define AFX_WNDGRAPHICMSE_H__68A13782_32AC_4A66_B46A_3D3475E7CA82__INCLUDED_


// diable warning C4284: return type for 'std::deque<double,class std::allocator<double> >::const_iterator::operator ->'
// is 'const double *' (ie; not a UDT or reference to a UDT.  Will produce errors if applied using infix notation)

#pragma warning( push )
#pragma warning( disable:4284 )

#include <deque>

using namespace std;

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000
// WndGraphicMSE.h : header file
//

/////////////////////////////////////////////////////////////////////////////
// CWndGraphicMSE window

class CWndGraphicMSE : public CWnd
{
// Construction
public:
	CWndGraphicMSE();

// Attributes
public:

// Operations
public:

// Overrides
	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CWndGraphicMSE)
	//}}AFX_VIRTUAL

// Implementation
public:
	void AddNewestPoint( double newest );
	void EraseAllPoints();
	virtual ~CWndGraphicMSE();

	// Generated message map functions
protected:
	void Initialize();
	std::deque< double >  m_Points;  // holds 200 points, one MSE value per every 100 patterns
	//{{AFX_MSG(CWndGraphicMSE)
	afx_msg int OnCreate(LPCREATESTRUCT lpCreateStruct);
	afx_msg void OnNcDestroy();
	afx_msg void OnPaint();
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

/////////////////////////////////////////////////////////////////////////////


#pragma warning( pop )


//{{AFX_INSERT_LOCATION}}
// Microsoft Visual C++ will insert additional declarations immediately before the previous line.



#endif // !defined(AFX_WNDGRAPHICMSE_H__68A13782_32AC_4A66_B46A_3D3475E7CA82__INCLUDED_)

By viewing downloads associated with this article you agree to the Terms of Service and the article's licence.

If a file you wish to view isn't highlighted, and is a text file (not binary), please let us know and we'll add colourisation support for it.

License

This article has no explicit license attached to it but may contain usage terms in the article text or the download files themselves. If in doubt please contact the author via the discussion board below.

A list of licenses authors might use can be found here


Written By
United States United States
Mike O'Neill is a patent attorney in Southern California, where he specializes in computer and software-related patents. He programs as a hobby, and in a vain attempt to keep up with and understand the technology of his clients.

Comments and Discussions