LBitmap::BlurDetection

Summary

Determines whether image is blurred or not.

Syntax

#include "ltwrappr.h"

virtual L_INT LBitmap::BlurDetection(Blurred, BlurExtent)

Parameters

L_BOOL* Blurred

Pointer to a variable to be updated with the value showing whether the image is blurred. Possible values are:

Value	Meaning
TRUE	The image is blurred.
FALSE	The image is not blurred.

L_DOUBLE* BlurExtent

Pointer to a variable to be updated with the amount of blur extent. Possible values are range from 0 to 1.0.

Returns

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

Comments

The amount of blur extent will be computed if the image is blurred; otherwise, the value is useless.

This function can only process entire images. It does not support regions.

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

Required DLLs and Libraries

LTDIS
LTFIL
LTIMGCOR
For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application.

Platforms

Win32, x64.

Example

#if defined (LEADTOOLS_V19_OR_LATER) 
L_INT LBitmap__BlurDetectionExample(L_VOID) 
{ 
    L_INT nRet; 
    LBitmap LeadBitmap; 
 
    nRet =LeadBitmap.Load(MAKE_IMAGE_PATH(TEXT("cannon.jpg")), 0,ORDER_BGR); 
    if(nRet !=SUCCESS) 
        return nRet ; 
 
    /* Apply a blur detector */ 
    L_BOOL Blurred ; 
    L_DOUBLE BlurExtent ; 
    nRet = LeadBitmap.BlurDetection(&Blurred, &BlurExtent); 
 
    return nRet; 
} 
#endif // LEADTOOLS_V19_OR_LATER