#include "ltwrappr.h"

L_INT LBitmap::AutoLineRemove()

Detects and removes the straight lines from the document image.

This function is available in the Document and Medical Imaging toolkits.


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


This function does not support signed data images. It returns the error code ERROR_SIGNED_DATA_NOT_SUPPORTED if a signed data image is passed to this function.

This function internally converts image into 1-bit black and white images.

This function does not support region.

Required DLLs and Libraries


Win32, x64.

See Also




This example loads a bitmap and applies auto line remove filter.

L_INT LBitmap__AutoLineRemoveFilterBitmapExample(L_VOID) 
    L_INT nRet; 
    LBitmap LeadBitmap; 
    nRet =LeadBitmap.Load(MAKE_IMAGE_PATH(TEXT("clean.tif")), 0,ORDER_BGR); 
    if(nRet !=SUCCESS) 
        return nRet; 
    /* Apply auto line remove filter to remove vertical and horizontal lines */ 
    nRet = LeadBitmap.AutoLineRemove(); 
    return nRet ; 

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