Quadrotor

	/**

		Example of extracting and filtering the blobs of an image

	*/

	// object that will contain blobs of inputImage

	CBlobResult blobs;

	// Extract the blobs using a threshold of 100 in the image

	blobs = CBlobResult( inputImage, NULL, 100, true );

	// create a file with some of the extracted features

	blobs.PrintBlobs( "c:\\tmp\\blobs.txt" );

	// discard the blobs with less area than 5000 pixels

	// ( the criteria to filter can be any class derived from COperadorBlob )

	blobs.Filter( blobs, B_INCLUDE, CBlobGetArea(), B_GREATER, 5000 );

	// create a file with filtered results

	blobs.PrintBlobs( "c:\\tmp\\filteredBlobs.txt" );

	// object with the blob with most perimeter in the image

	// ( the criteria to select can be any class derived from COperadorBlob )

	CBlob blobWithBiggestPerimeter, CBlob blobWithLessArea;

	// from the filtered blobs, get the blob with biggest perimeter

	blobs.GetNthBlob( CBlobGetPerimeter(), 0, blobWithBiggestPerimeter );

	// get the blob with less area

	blobs.GetNthBlob( CBlobGetArea(), blobs.GetNumBlobs() - 1, blobWithLessArea );