#pragma?once
#include?“BilateralFilter.h“

BilateralFilter::BilateralFilter（）
{
	this->distance_sigma?=?3.0;
	this->similar_sigma?=?30.0;
}

void?BilateralFilter::bilateral_filter_process（IplImage*?img_src?IplImage*?img_dest）
{
	/*?get?properties?of?source?image?*/
	data_src?=?（uchar?*）img_src->imageData;
	img_width?=?img_src->width;
	img_height?=?img_src->height;
	step_src?=?img_src->widthStep;
	
	/*?get?properties?of?destination?image?*/
	data_dest?=?（uchar?*）img_dest->imageData;
	step_dest?=?img_dest->widthStep;

	build_distance_weight_table（）;
	build_similar_weight_table（）;

	for（int?i=0;?i	{
		for（int?j=0;?j		{
			data_dest[i?*?step_dest?+?j]?=?count_pixel（i?j）;	
		}
	}
}


uchar?BilateralFilter::count_pixel（int?row?int?column）
{
	double?sum_pixel?=?0;
	double?sum_weight?=?0;

	int?center_pixel_index?=?row?*?step_src?+?column;

	for（int?i=-kernel_radius;?i<=kernel_radius;?i++）
	{
		for（int?j=-kernel_radius;?j<=kernel_radius;?j++）
		{
			int?temp_row?=?row?+?i;
			if（temp_row?				temp_row?=?0;
			else?if（temp_row?>?img_height?-?1）
				temp_row?=?img_height?-?1;

			int?temp_column?=?column?+?j;
			if（temp_column?				temp_column?=?0;
			else?if（temp_column?>?img_width?-?1）
				temp_column?=?img_width?-?1;

			int?temp_pixel_index?=?temp_row?*??step_src?+?temp_column;

			double?distance_weight?=?distance_weight_table[i?+?kernel_radius][j?+?kernel_radius];
			double?similar_weight?=?similar_weight_table[abs（data_src[center_pixel_index]?-?data_src[temp_pixel_index]）];
			double?weight?=?distance_weight?*?similar_weight;??//雙邊濾波
	//		double?weight?=?distance_weight;???//高斯濾波

			sum_pixel?+=?data_src[temp_pixel_index]?*?weight;
			sum_weight?+=?weight;
		}
	}

	sum_pixel?/=?sum_weight;

	uchar?pixel?=?（uchar）sum_pixel;
	return?pixel;
}

//建立距離高斯權重表（Weight?Table）
void?BilateralFilter::build_distance_weight_table（）
{
	for（int?i=-kernel_radius;?i<=kernel_radius;?i++）
	{
		for（int?j=-kernel_radius;?j<=kernel_radius;?j++）
		{
			distance_weight_table[i?+?kernel_radius][j?+?kernel_radius]?=?exp（-（i*i?+?j*j）/（2?*?distance_sigma?*?distance_sigma））;		
		}
	}
}

//建立像素灰度差值高斯權重表（Weight?Table）
void?BilateralFilter::build_similar_weight_table（）
{
	for（int?i=0;?i<256;?i++）
	{
		similar_weight_table[i]?=?exp（（-i*i）/（2?*?similar_sigma?*?similar_sigma））;
	}
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件????5591040??2013-06-18?15:53??Bilateral_Filter\BilateralFilter.sdf

?????文件????????904??2012-12-10?20:51??Bilateral_Filter\BilateralFilter.sln

????..A..H.?????16896??2013-06-18?15:53??Bilateral_Filter\BilateralFilter.suo

?????文件??????82416??2012-11-07?14:52??Bilateral_Filter\opencv_test\1.png

?????文件?????141388??2012-11-07?14:52??Bilateral_Filter\opencv_test\2.png

?????文件???????2458??2012-12-18?21:06??Bilateral_Filter\opencv_test\BilateralFilter.cpp

?????文件????????717??2012-11-07?22:18??Bilateral_Filter\opencv_test\BilateralFilter.h

?????文件?????104130??2012-11-12?11:14??Bilateral_Filter\opencv_test\Debug\BilateralFilter.obj

?????文件???????2142??2012-11-12?11:15??Bilateral_Filter\opencv_test\Debug\cl.command.1.tlog

?????文件??????95272??2012-11-12?11:15??Bilateral_Filter\opencv_test\Debug\CL.read.1.tlog

?????文件???????1752??2012-11-12?11:15??Bilateral_Filter\opencv_test\Debug\CL.write.1.tlog

?????文件??????????2??2012-11-12?11:15??Bilateral_Filter\opencv_test\Debug\link-cvtres.read.1.tlog

?????文件??????????2??2012-11-12?11:15??Bilateral_Filter\opencv_test\Debug\link-cvtres.write.1.tlog

?????文件??????????2??2012-11-12?11:15??Bilateral_Filter\opencv_test\Debug\link.2260-cvtres.read.1.tlog

?????文件??????????2??2012-11-12?11:15??Bilateral_Filter\opencv_test\Debug\link.2260-cvtres.write.1.tlog

?????文件??????????2??2012-11-12?11:15??Bilateral_Filter\opencv_test\Debug\link.2260.read.1.tlog

?????文件??????????2??2012-11-12?11:15??Bilateral_Filter\opencv_test\Debug\link.2260.write.1.tlog

?????文件??????????2??2012-11-12?11:15??Bilateral_Filter\opencv_test\Debug\link.4192-cvtres.read.1.tlog

?????文件??????????2??2012-11-12?11:15??Bilateral_Filter\opencv_test\Debug\link.4192-cvtres.write.1.tlog

?????文件??????????2??2012-11-12?11:15??Bilateral_Filter\opencv_test\Debug\link.4192.read.1.tlog

?????文件??????????2??2012-11-12?11:15??Bilateral_Filter\opencv_test\Debug\link.4192.write.1.tlog

?????文件??????????2??2012-11-12?11:15??Bilateral_Filter\opencv_test\Debug\link.5004-cvtres.read.1.tlog

?????文件??????????2??2012-11-12?11:15??Bilateral_Filter\opencv_test\Debug\link.5004-cvtres.write.1.tlog

?????文件??????????2??2012-11-12?11:15??Bilateral_Filter\opencv_test\Debug\link.5004.read.1.tlog

?????文件??????????2??2012-11-12?11:15??Bilateral_Filter\opencv_test\Debug\link.5004.write.1.tlog

?????文件???????3926??2012-11-12?11:15??Bilateral_Filter\opencv_test\Debug\link.command.1.tlog

?????文件???????7848??2012-11-12?11:15??Bilateral_Filter\opencv_test\Debug\link.read.1.tlog

?????文件???????1880??2012-11-12?11:15??Bilateral_Filter\opencv_test\Debug\link.write.1.tlog

?????文件????????842??2012-11-12?11:15??Bilateral_Filter\opencv_test\Debug\mt.command.1.tlog

?????文件????????722??2012-11-12?11:15??Bilateral_Filter\opencv_test\Debug\mt.read.1.tlog

............此處省略27個文件信息