?#include?
?#include?
?#include?
?#include?
?#include?
#define?PI?3.14
#define?BIN_SIZE?20
#define?BIN_NVM?9
#define?NORM_WIDTH?130
#define?NORM_HEIGHT?82
#define?CELL_SIZE?8
#define?BLOCK_SIZE?2
#define?PIC_CELL_WH?50
#define?CELL_W_NVM??（（NORM_WIDTH-2）?/?CELL_SIZE）
#define?CELL_H_NVM??（（NORM_HEIGHT-2）?/?CELL_SIZE）
#define?BLOCK_W_NVM??（CELL_W_NVM?-?BLOCK_SIZE?+?1）
#define?BLOCK_H_NVM??（CELL_H_NVM?-?BLOCK_SIZE?+?1）
#define?CELL_NVM?（CELL_W_NVM?*?CELL_H_NVM）
#define?BLOCK_NVM?（BLOCK_W_NVM?*?BLOCK_H_NVM）
#define?ARRAY_ALL?（BLOCK_W_NVM?*?BLOCK_H_NVM?*?BLOCK_SIZE?*?BLOCK_SIZE?*?BIN_NVM）


void??func（int?i_x?int?i_y?int?i_w?IplImage*?Img_in?float*?fbin）
{
	memset（fbin?0?9*sizeof（float））;
	float?f_x?=?0.0f?f_y?=?0.0f?f_Nvm?=?0.0f?f_theta?=?0.0f;
	for?（int?ii?=?i_y;?ii?	{
		for?（int?jj?=?i_x;?jj?		{
			uchar*?pData?=?（uchar*）（Img_in->imageData?+?ii?*?Img_in->widthStep?+?jj）;
			f_x?=?pData[1]?-?pData[-1];
			f_y?=?pData[Img_in->widthStep]-?pData[-Img_in->widthStep];
			f_Nvm?=?pow（?f_x*f_x?+?f_y*f_y??0.5f）;?

			float?fAngle?=?90.0f;
			if?（f_x?==?0.0f）
			{
				if?（f_y?>?0）
				{
					fAngle?=?90.0f;
				}
			}
			else?if?（f_y?==?0.0f）
			{
				if?（f_x?>?0）
				{
					fAngle?==?0.0f;
				}
				else?if?（f_x?				{
					fAngle?==?180.0f;
				}
			}
			else
			{
				f_theta?=?atan（f_y/f_x）;?////?atan（）?范圍為?-Pi/2?到?pi/2?所有9個bin范圍是?0~180°
				fAngle?=?（BIN_SIZE*BIN_NVM?*?f_theta）/PI;
			}

			if?（fAngle?			{
				fAngle?+=?180;
			}

			int?iWhichBin?=?fAngle/BIN_SIZE;
			fbin[iWhichBin]?+=?f_Nvm;
		}
	}
}
?
?void?main（）
?{
?	IplImage*?img?=?cvLoadImage（“./003.jpg“）;
?	IplImage?*img1?=?cvCreateImage（cvGetSize（img）IPL_DEPTH_8U1）;
?	IplImage?*img2?=?cvCreateImage（cvGetSize（img）IPL_DEPTH_8U1）;
?	CvMat*?mat?=?cvCreateMat（img->width?img->heightCV_32FC1）;

	////?灰度圖
?	cvCvtColor（imgimg1CV_BGR2GRAY）;?
?	cvNamedWindow（“GrayImage“CV_WINDOW_AUTOSIZE）;
?	cvShowImage（“GrayImage“img1）;?

	////?gamma校正
?	uchar*?uData??=?（uchar*）（img1->imageData）;
?	float*?fMat?=?mat->data.fl;
?
?	for?（int?ii?=?0;?ii?imageSize;?ii++）
?	{
?		fMat[ii]?=?pow（?uData[ii]??0.5f）;?
?		（（uchar*）img2->imageData）[ii]?=?（uchar）（fMat[ii]）;
?	}?

	////?縮放原有圖片
	IplImage*?img3?=?0;
	CvSize?dst_cvsize;
	dst_cvsize.width?=?NORM_WIDTH;
	dst_cvsize.height?=?NORM_HEIGHT;
	img3?=?cvCreateImage（dst_cvsize?IPL_DEPTH_8U1?）;
	cvResize（img2?img3?CV_INTER_LINEAR）;

	////?計算每個cell每個梯度的大小和方向
	int?i_binNvm?=?0;
	float?f_bin_out[CELL_NVM][BIN_NVM];
	float?i_AllbinNvm[][BLOCK_SIZE*BLOCK_SIZE*BIN_NVM]?=?{0.0f};
	int?ii_nvm1?=?0?ii_nvm2?=?0;
	for?（int?ii?=?1;?ii?+?CELL_SIZE?height;?ii+=CELL_SIZE）
	{
		for?（int?jj?=?1;?jj?+?CELL_SIZE?width;?jj+=CELL_SIZE）
		{
			func（jj?ii?CELL_SIZE?img3?f_bin_out[i_binNvm++]）;
		}
	}

	////?創建了一個img?畫每個cell的9個bin的方向大小?注意?X正方形向右?Y正方

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2015-07-15?08:49??cHog\
?????目錄???????????0??2015-07-21?16:22??cHog\MyTest_Hog\
?????文件???????49685??2015-07-21?11:14??cHog\MyTest_Hog\003.jpg
?????目錄???????????0??2015-07-21?15:47??cHog\MyTest_Hog\Debug\
?????文件???????15572??2015-07-21?15:47??cHog\MyTest_Hog\Debug\CL.read.1.tlog
?????文件?????????728??2015-07-21?15:47??cHog\MyTest_Hog\Debug\CL.write.1.tlog
?????文件????????1527??2015-07-16?15:34??cHog\MyTest_Hog\Debug\Hog.obj
?????文件????????3164??2015-07-16?15:34??cHog\MyTest_Hog\Debug\MyTest_Hog.Build.CppClean.log
?????文件???????35840??2015-07-21?15:47??cHog\MyTest_Hog\Debug\MyTest_Hog.exe
?????文件?????????406??2015-07-16?15:34??cHog\MyTest_Hog\Debug\MyTest_Hog.exe.embed.manifest
?????文件?????????472??2015-07-16?15:34??cHog\MyTest_Hog\Debug\MyTest_Hog.exe.embed.manifest.res
?????文件?????????381??2015-07-21?15:47??cHog\MyTest_Hog\Debug\MyTest_Hog.exe.intermediate.manifest
?????文件??????430024??2015-07-21?15:47??cHog\MyTest_Hog\Debug\MyTest_Hog.ilk
?????文件??????????57??2015-07-21?15:47??cHog\MyTest_Hog\Debug\MyTest_Hog.lastbuildstate
?????文件????????3599??2015-07-21?15:47??cHog\MyTest_Hog\Debug\MyTest_Hog.log
?????文件???????42501??2015-07-21?15:47??cHog\MyTest_Hog\Debug\MyTest_Hog.obj
?????文件??????617472??2015-07-21?15:47??cHog\MyTest_Hog\Debug\MyTest_Hog.pdb
?????文件?????????210??2015-07-16?15:34??cHog\MyTest_Hog\Debug\MyTest_Hog_manifest.rc
?????文件????????1702??2015-07-21?15:47??cHog\MyTest_Hog\Debug\cl.command.1.tlog
?????文件???????????2??2015-07-21?15:47??cHog\MyTest_Hog\Debug\link-cvtres.read.1.tlog
?????文件???????????2??2015-07-21?15:47??cHog\MyTest_Hog\Debug\link-cvtres.write.1.tlog
?????文件???????????2??2015-07-21?15:47??cHog\MyTest_Hog\Debug\link.11180-cvtres.read.1.tlog
?????文件???????????2??2015-07-21?15:47??cHog\MyTest_Hog\Debug\link.11180-cvtres.write.1.tlog
?????文件???????????2??2015-07-21?15:47??cHog\MyTest_Hog\Debug\link.11180.read.1.tlog
?????文件???????????2??2015-07-21?15:47??cHog\MyTest_Hog\Debug\link.11180.write.1.tlog
?????文件???????????2??2015-07-21?15:47??cHog\MyTest_Hog\Debug\link.14316-cvtres.read.1.tlog
?????文件???????????2??2015-07-21?15:47??cHog\MyTest_Hog\Debug\link.14316-cvtres.write.1.tlog
?????文件???????????2??2015-07-21?15:47??cHog\MyTest_Hog\Debug\link.14316.read.1.tlog
?????文件???????????2??2015-07-21?15:47??cHog\MyTest_Hog\Debug\link.14316.write.1.tlog
?????文件???????????2??2015-07-21?15:47??cHog\MyTest_Hog\Debug\link.4416-cvtres.read.1.tlog
?????文件???????????2??2015-07-21?15:47??cHog\MyTest_Hog\Debug\link.4416-cvtres.write.1.tlog
............此處省略52個文件信息