#include "ltwrappr.h"

virtual L_INT LBitmap::MICRDetection(Inrc, Outrc, Flags)

Automatically detects Magnetic Ink Character Recognition (MICR) zone in document image.



Represents the searching area.

L_RECT* Outrc

Represents the location of the detected MRZ zone.

L_UINT Flags

Reserved for future use.


Value Meaning
SUCCESS The function was successful.
< 1 An error occurred. Refer to Return Codes.


This function searches and detects MICR code inside a given L_RECT zone.

This function searches for MICR code inside Inrc zone and it does not support regions.

This function supports 8,12, 16-bit grayscale images and 24, 32-bit colored images.

Required DLLs and Libraries


Win32, x64.

See Also


This example loads a bitmap and applies MICR detection filter.

L_INT LBitmap__MICRDetectionFilterBitmapExample(L_VOID) 
    L_INT nRet ; 
    LBitmap LeadBitmap ; 
    nRet = LeadBitmap.Load(MAKE_IMAGE_PATH(TEXT("MICR_SAMPLE.tif.jpg")), 0,ORDER_BGR); 
    if(nRet !=SUCCESS) 
        return nRet; 
   /* Apply a MICR detection filter and return the location of the MICR code in Outrc rect*/ 
   L_RECT Inrc  = { 0, 0, 0, 0 } ; 
   L_RECT Outrc = { 0, 0, 0, 0 } ; 
   nRet = LeadBitmap.MICRDetection(Inrc, &Outrc, 0); 
   return nRet; 

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