#include?“opencvtest.h“

using?namespace?std;
using?namespace?cv;

//?HOGDescriptor?visual_imagealizer
//?adapted?for?arbitrary?size?of?feature?sets?and?training?images
Mat?get_hogdescriptor_visual_image（Mat&?origImg
	vector&?descriptorValues//hog特征向量
	Size?winSize//圖片窗口大小
	Size?cellSize?????????????
	int?scaleFactor//縮放背景圖像的比例
	double?viz_factor）//縮放hog特征的線長比例
{???
	Mat?visual_image;//最后可視化的圖像大小
	resize（origImg?visual_image?Size（origImg.cols*scaleFactor?origImg.rows*scaleFactor））;

	int?gradientBinSize?=?9;
	//?dividing?180°?into?9?bins?how?large?（in?rad）?is?one?bin?
	float?radRangeForOneBin?=?3.14/（float）gradientBinSize;?//pi=3.14對應180°

	//?prepare?data?structure:?9?orientation?/?gradient?strenghts?for?each?cell
	int?cells_in_x_dir?=?winSize.width?/?cellSize.width;//x方向上的cell個數
	int?cells_in_y_dir?=?winSize.height?/?cellSize.height;//y方向上的cell個數
	int?totalnrofcells?=?cells_in_x_dir?*?cells_in_y_dir;//cell的總個數
	//注意此處三維數組的定義格式
	//int?***b;
	//int?a[2][3][4];
	//int?（*b）[3][4]?=?a;
	//gradientStrengths[cells_in_y_dir][cells_in_x_dir][9]
	float***?gradientStrengths?=?new?float**[cells_in_y_dir];
	int**?cellUpdateCounter???=?new?int*[cells_in_y_dir];
	for?（int?y=0;?y	{
		gradientStrengths[y]?=?new?float*[cells_in_x_dir];
		cellUpdateCounter[y]?=?new?int[cells_in_x_dir];
		for?（int?x=0;?x		{
			gradientStrengths[y][x]?=?new?float[gradientBinSize];
			cellUpdateCounter[y][x]?=?0;

			for?（int?bin=0;?bin				gradientStrengths[y][x][bin]?=?0.0;//把每個cell的9個bin對應的梯度強度都初始化為0
		}
	}

	//?nr?of?blocks?=?nr?of?cells?-?1
	//?since?there?is?a?new?block?on?each?cell?（overlapping?blocks!）?but?the?last?one
	//相當于blockstride?=?（88）
	int?blocks_in_x_dir?=?cells_in_x_dir?-?1;
	int?blocks_in_y_dir?=?cells_in_y_dir?-?1;

	//?compute?gradient?strengths?per?cell
	int?descriptorDataIdx?=?0;
	int?cellx?=?0;
	int?celly?=?0;

	for?（int?blockx=0;?blockx	{
		for?（int?blocky=0;?blocky		{
			//?4?cells?per?block?...
			for?（int?cellNr=0;?cellNr<4;?cellNr++）
			{
				//?compute?corresponding?cell?nr
				int?cellx?=?blockx;
				int?celly?=?blocky;
				if?（cellNr==1）?celly++;
				if?（cellNr==2）?cellx++;
				if?（cellNr==3）
				{
					cellx++;
					celly++;
				}

				for?（int?bin=0;?bin				{
					float?gradientStrength?=?descriptorValues[?descriptorDataIdx?];
					descriptorDataIdx++;

					gradientStrengths[celly][cellx][bin]?+=?gradientStrength;//因為C是按行存儲

				}?//?for?（all?bins）


				//?note:?overlapping?blocks?lead?to?multiple?updates?of?this?sum!
				//?we?therefore?keep?track?how?often?a?cell?was?updated
				//?to?compute?average?gradient?strengths
				cellUpdateCounter[celly][cellx]++;//由于block之間有重疊，所以要記錄哪些cell被多次計算了

			}?//?for?（all?cells）


		}?//?for?（all?block?x?pos）
	}?//?for?（all?block?y?pos）

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

?????文件??????36686??2016-03-24?18:56??HOGvisualize\Debug\hogvisualize.jpg

?????文件???????2064??2016-03-24?14:53??HOGvisualize\Debug\objimg.jpg

?????文件??????91136??2016-03-24?21:48??HOGvisualize\Debug\opencvtest.exe

?????文件?????529968??2016-03-24?21:48??HOGvisualize\Debug\opencvtest.ilk

?????文件????2239488??2016-03-24?21:48??HOGvisualize\Debug\opencvtest.pdb

?????文件???????3566??2016-03-24?21:48??HOGvisualize\opencvtest\Debug\cl.command.1.tlog

?????文件?????141614??2016-03-24?21:48??HOGvisualize\opencvtest\Debug\CL.read.1.tlog

?????文件???????2560??2016-03-24?21:48??HOGvisualize\opencvtest\Debug\CL.write.1.tlog

?????文件?????294985??2016-03-21?20:57??HOGvisualize\opencvtest\Debug\facedetect.obj

?????文件?????361847??2016-03-21?20:58??HOGvisualize\opencvtest\Debug\facematch.obj

?????文件??????????2??2016-03-24?21:48??HOGvisualize\opencvtest\Debug\link-cvtres.read.1.tlog

?????文件??????????2??2016-03-24?21:48??HOGvisualize\opencvtest\Debug\link-cvtres.write.1.tlog

?????文件??????????2??2016-03-24?21:48??HOGvisualize\opencvtest\Debug\link-rc.read.1.tlog

?????文件??????????2??2016-03-24?21:48??HOGvisualize\opencvtest\Debug\link-rc.write.1.tlog

?????文件??????????2??2016-03-24?21:48??HOGvisualize\opencvtest\Debug\link.4028-cvtres.read.1.tlog

?????文件??????????2??2016-03-24?21:48??HOGvisualize\opencvtest\Debug\link.4028-cvtres.write.1.tlog

?????文件??????????2??2016-03-24?21:48??HOGvisualize\opencvtest\Debug\link.4028-rc.read.1.tlog

?????文件??????????2??2016-03-24?21:48??HOGvisualize\opencvtest\Debug\link.4028-rc.write.1.tlog

?????文件??????????2??2016-03-24?21:48??HOGvisualize\opencvtest\Debug\link.4028.read.1.tlog

?????文件??????????2??2016-03-24?21:48??HOGvisualize\opencvtest\Debug\link.4028.write.1.tlog

?????文件??????????2??2016-03-24?21:48??HOGvisualize\opencvtest\Debug\link.4432-cvtres.read.1.tlog

?????文件??????????2??2016-03-24?21:48??HOGvisualize\opencvtest\Debug\link.4432-cvtres.write.1.tlog

?????文件??????????2??2016-03-24?21:48??HOGvisualize\opencvtest\Debug\link.4432-rc.read.1.tlog

?????文件??????????2??2016-03-24?21:48??HOGvisualize\opencvtest\Debug\link.4432-rc.write.1.tlog

?????文件??????????2??2016-03-24?21:48??HOGvisualize\opencvtest\Debug\link.4432.read.1.tlog

?????文件??????????2??2016-03-24?21:48??HOGvisualize\opencvtest\Debug\link.4432.write.1.tlog

?????文件??????????2??2016-03-24?21:48??HOGvisualize\opencvtest\Debug\link.7284-cvtres.read.1.tlog

?????文件??????????2??2016-03-24?21:48??HOGvisualize\opencvtest\Debug\link.7284-cvtres.write.1.tlog

?????文件??????????2??2016-03-24?21:48??HOGvisualize\opencvtest\Debug\link.7284-rc.read.1.tlog

?????文件??????????2??2016-03-24?21:48??HOGvisualize\opencvtest\Debug\link.7284-rc.write.1.tlog

............此處省略63個文件信息