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0xC000001D: Illegal Instruction when running cvHaarDetectObjects

asked 2012-11-28 23:31:46 -0600

jeng gravatar image

I get 0xC000001D: Illegal Instruction when running cvHaarDetectObject. Below is my code

int main() {

IplImage* img;
img = cvLoadImage( "lena.jpg",1);

CvMemStorage* storage = cvCreateMemStorage(0);
CvHaarClassifierCascade* cascade = (CvHaarClassifierCascade*)cvLoad( "haarcascade_frontalface_alt2.xml" );


static CvScalar colors[] = { {{0,0,255}}, {{0,128,255}}, {{0,255,255}}, 
{{0,255,0}}, {{255,128,0}}, {{255,255,0}}, {{255,0,0}}, {{255,0,255}} };

// Detect objects
cvClearMemStorage( storage );
CvSeq* objects = cvHaarDetectObjects( img, cascade, storage, 1.1, 2, 0, cvSize(40, 40) );

CvRect* r;
// Loop through objects and draw boxes
for( int i = 0; i < (objects ? objects->total : 0 ); i++ ){
    r = ( CvRect* )cvGetSeqElem( objects, i );
    cvRectangle( img, cvPoint( r->x, r->y ), cvPoint( r->x + r->width, r->y + r->height ),
        colors[i%8]);
}

cvNamedWindow( "Output" );
cvShowImage( "Output", img );
cvWaitKey();


cvReleaseImage( &img );

return 0;

}

Is it something wrong with setup? I can compile the code, but when i run it, i get this error. ANy idea want cause this error?

Thanks and Best Regards

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Hi! Can you debug this and say, which line causes the error?

Daniil Osokin gravatar imageDaniil Osokin ( 2012-11-29 01:45:39 -0600 )edit

this line: CvSeq* objects = cvHaarDetectObjects( img, cascade, storage, 1.1, 2, 0, cvSize(40, 40) );

i step into function, after the program enter cvSize() function twice, then error pop up show " 0xC000001D: Illegal Instruction"

jeng gravatar imagejeng ( 2012-11-30 02:57:42 -0600 )edit

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answered 2012-12-03 07:48:27 -0600

Hi!I have the same question like yours, but I find that "haarcascade_frontalface_alt2.xml" works well, so maybe you can chang "haarcascade_frontalface_alt.xml" to "haarcascade_frontalface_alt2.xml". Wish it will help you!

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Thank You, It works for me too.

Nikola gravatar imageNikola ( 2013-01-15 18:35:50 -0600 )edit

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Asked: 2012-11-28 23:31:46 -0600

Seen: 2,077 times

Last updated: Dec 03 '12