#include <highgui.h>

#include <math.h>

#include <cv.h>

IplImage *Igray = 0, *It = 0, *Iat;

int main( int argc, char** argv )

{

	//输入命令行

	double threshold = (double)atof( argv[1] ); //convert string to double

	int threshold_type = atoi( argv[2] ) ? CV_THRESH_BINARY : CV_THRESH_BINARY_INV;

	int adaptive_method = atoi( argv[3] ) ? CV_ADAPTIVE_THRESH_MEAN_C : CV_ADAPTIVE_THRESH_GAUSSIAN_C;

	int block_size = atoi( argv[4] );

	double offset = (double)atof( argv[5] );

	//加载灰度图

	if( ( Igray = cvLoadImage( argv[6], CV_LOAD_IMAGE_GRAYSCALE ) ) == 0 )

	{

		return -1;

	}

	//创建同样大小8位灰度图用于输出

	It = cvCreateImage( cvSize( Igray -> width, Igray -> height ), IPL_DEPTH_8U, 1 ); //单通道8位灰度图

	Iat = cvCreateImage( cvSize( Igray -> width, Igray -> height ), IPL_DEPTH_8U, 1 );

	//阈值化

	cvThreshold( Igray, It, threshold, 255, threshold_type );

	cvAdaptiveThreshold( Igray, Iat, 255, adaptive_method, threshold_type, block_size, offset );

	//命名窗体输出

	cvNamedWindow( "Raw", 1 );

	cvNamedWindow( "Threshold", 1 );

	cvNamedWindow( "Adaptive Threshold", 1 );

	cvShowImage( "Raw", Igray );

	cvShowImage( "Threshold", It );

	cvShowImage( "Adaptive Threshold", Iat );

	cvWaitKey(0);

	//回收内存

	cvReleaseImage( &Igray );

	cvReleaseImage( &It );

	cvReleaseImage( &Iat );

	cvDestroyWindow( "Raw" );

	cvDestroyWindow( "Threshold" );

	cvDestroyWindow( "Adaptive Threshold" );

	return 0;

}