#include?
#include?
#include?“opencv2/imgcodecs.hpp“
#include?
#include?
#include?

using?namespace?cv;
using?namespace?cv::ml;
using?namespace?std;

//大端轉小端
int?reverseInt（int?i）;

void?main（）
{
	//讀取測試樣本集
	ifstream?if_testImags（“t10k-images-idx3-ubyte“?ios::binary）;
	//讀取失敗
	if?（true?==?if_testImags.fail（））
	{
		cout?<		return;
	}
	int?magic_num?testImgsNum?nrows?ncols;
	//讀取magic?number
	if_testImags.read（（char*）&magic_num?sizeof（magic_num））;
	magic_num?=?reverseInt（magic_num）;
	cout?<	//讀取測試圖像總數
	if_testImags.read（（char*）&testImgsNum?sizeof（testImgsNum））;
	testImgsNum?=?reverseInt（testImgsNum）;
	cout?<	//讀取圖像的行大小
	if_testImags.read（（char*）&nrows?sizeof（nrows））;
	nrows?=?reverseInt（nrows）;
	cout?<	//讀取圖像的列大小
	if_testImags.read（（char*）&ncols?sizeof（ncols））;
	ncols?=?reverseInt（ncols）;
	cout?<
	//讀取測試圖像
	int?imgVectorLen?=?nrows?*?ncols;
	Mat?testFeatures?=?Mat::zeros（testImgsNum?imgVectorLen?CV_32FC1）;
	Mat?temp?=?Mat::zeros（nrows?ncols?CV_8UC1）;
	for?（int?i?=?0;?i?	{
		if_testImags.read（（char*）temp.data?imgVectorLen）;
		Mat?tempFloat;
		//由于SVM需要的測試數據格式是CV_32FC1，在這里進行轉換
		temp.convertTo（tempFloat?CV_32FC1）;
		memcpy（testFeatures.data?+?i*imgVectorLen?*?sizeof（float）?tempFloat.data?imgVectorLen?*?sizeof（float））;
	}
	//歸一化
	testFeatures?=?testFeatures?/?255;
	//讀取測試圖像對應的分類標簽
	ifstream?if_testLabels（“t10k-labels-idx1-ubyte“?ios::binary）;
	//讀取失敗
	if?（true?==?if_testLabels.fail（））
	{
		cout?<		return;
	}
	int?magic_num_2?testLblsNum;
	//讀取magic?number
	if_testLabels.read（（char*）&magic_num_2?sizeof（magic_num_2））;
	magic_num_2?=?reverseInt（magic_num_2）;
	cout?<	//讀取測試圖像的分類標簽的數量
	if_testLabels.read（（char*）&testLblsNum?sizeof（testLblsNum））;
	testLblsNum?=?reverseInt（testLblsNum）;
	cout?<
	//由于SVM需要輸入的標簽類型是CV_32SC1，在這里進行轉換
	Mat?testLabels?=?Mat::zeros（testLblsNum?1?CV_32SC1）;
	Mat?readLabels?=?Mat::zeros（testLblsNum?1?CV_8UC1）;
	if_testLabels.read（（char*）readLabels.data?testLblsNum?*?sizeof（char））;
	readLabels.convertTo（testLabels?CV_32SC1）;

	//載入訓練好的SVM模型
	Ptr?svm?=?SVM::load（“mnist.xml“）;
	int?sum?=?0;
	//對每一個測試圖像進行SVM分類預測
	for?（int?i?=?0;?i?	{
		Mat?predict_mat?=?Mat::zeros（1?imgVectorLen?CV_32FC1）;
		memcpy（predict_mat.data?testFeatures.data?+?i*imgVectorLen?*?sizeof（float）?im

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

????..A..H.?????31744??2018-05-08?14:35??SVM_MNIST\.vs\SVM_MNIST\v14\.suo

?????文件???????3190??2018-05-07?20:49??SVM_MNIST\svmtest\2.bmp

?????文件???????1862??2018-05-07?20:49??SVM_MNIST\svmtest\7.bmp

?????文件???31409497??2018-05-08?09:54??SVM_MNIST\svmtest\mnist.xml

?????文件???????5783??2018-05-08?14:24??SVM_MNIST\svmtest\svmtest.vcxproj

?????文件????????950??2018-05-08?14:09??SVM_MNIST\svmtest\svmtest.vcxproj.filters

?????文件????7840016??2018-05-04?23:16??SVM_MNIST\svmtest\t10k-images-idx3-ubyte

?????文件??????10008??2018-05-04?23:16??SVM_MNIST\svmtest\t10k-labels-idx1-ubyte

?????文件???47040016??2018-05-04?23:16??SVM_MNIST\svmtest\train-images-idx3-ubyte

?????文件??????60008??2018-05-04?23:16??SVM_MNIST\svmtest\train-labels-idx1-ubyte

?????文件???????6008??2018-05-08?14:20??SVM_MNIST\svmtest\traintest.cpp

?????文件???????1145??2018-05-08?14:24??SVM_MNIST\svmtest\x64\Debug\svmtest.log

?????文件????????586??2018-05-08?14:24??SVM_MNIST\svmtest\x64\Debug\svmtest.tlog\CL.command.1.tlog

?????文件??????20094??2018-05-08?14:24??SVM_MNIST\svmtest\x64\Debug\svmtest.tlog\CL.read.1.tlog

?????文件????????552??2018-05-08?14:24??SVM_MNIST\svmtest\x64\Debug\svmtest.tlog\CL.write.1.tlog

?????文件???????1260??2018-05-08?14:24??SVM_MNIST\svmtest\x64\Debug\svmtest.tlog\link.command.1.tlog

?????文件???????3268??2018-05-08?14:24??SVM_MNIST\svmtest\x64\Debug\svmtest.tlog\link.read.1.tlog

?????文件????????528??2018-05-08?14:24??SVM_MNIST\svmtest\x64\Debug\svmtest.tlog\link.write.1.tlog

?????文件????????204??2018-05-08?14:24??SVM_MNIST\svmtest\x64\Debug\svmtest.tlog\svmtest.lastbuildstate

?????文件?????480379??2018-05-08?14:24??SVM_MNIST\svmtest\x64\Debug\traintest.obj

?????文件?????535552??2018-05-08?14:24??SVM_MNIST\svmtest\x64\Debug\vc140.idb

?????文件?????815104??2018-05-08?14:24??SVM_MNIST\svmtest\x64\Debug\vc140.pdb

?????文件???31409497??2018-05-08?14:23??SVM_MNIST\SVM_MNIST\mnist.xml

?????文件???????3149??2018-05-08?14:03??SVM_MNIST\SVM_MNIST\svmtrain.cpp

?????文件???????5784??2018-05-08?13:35??SVM_MNIST\SVM_MNIST\SVM_MNIST.vcxproj

?????文件????????949??2018-05-08?13:35??SVM_MNIST\SVM_MNIST\SVM_MNIST.vcxproj.filters

?????文件????7840016??2018-05-04?23:16??SVM_MNIST\SVM_MNIST\t10k-images-idx3-ubyte

?????文件??????10008??2018-05-04?23:16??SVM_MNIST\SVM_MNIST\t10k-labels-idx1-ubyte

?????文件???47040016??2018-05-04?23:16??SVM_MNIST\SVM_MNIST\train-images-idx3-ubyte

?????文件??????60008??2018-05-04?23:16??SVM_MNIST\SVM_MNIST\train-labels-idx1-ubyte

............此處省略37個文件信息