Question

对不起，我的英语太差了。

我已经包含了头文件：

#include "cv.h"
#include "opencv/cv.hpp"
#include "opencv2/face.hpp"

using namespace std;
using namespace cv;
using namespace cv::face;

我声明变量如下：

vector<UMat> images;

vector<int> labels;

Ptr<BasicFaceRecognizer> modelPCA = createEigenFaceRecognizer();

将照片读到UMat：

for(...) {
    UMat t_image = imread(t_imagePath.toStdString(), 0).getUMat(ACCESS_FAST);
    images.push_back(t_image);
    labels.push_back(label);
}

但是当我在训练时：

modelPCA->train(images, labels);

发布错误：

OpenCV Error: Bad argument (The data is expected as InputArray::STD_VECTOR_MAT (a std::vector<Mat>) or _InputArray::STD_VECTOR_VECTOR (a std::vector< std::vector<...> >).) in asRowMatrix, file C:\opencv\opencv_contrib-3.2.0\modules\face\src\face_basic.hpp, line 43
terminate called after throwing an instance of 'cv::Exception'
  what():  C:\opencv\opencv_contrib-3.2.0\modules\face\src\face_basic.hpp:43: error: (-5) The data is expected as InputArray::STD_VECTOR_MAT (a std::vector<Mat>) or _InputArray::STD_VECTOR_VECTOR (a std::vector< std::vector<...> >). in function asRowMatrix

我该如何解决？

Answer 1

也许opencv还不支持

if(src.kind() != _InputArray::STD_VECTOR_MAT && src.kind() != _InputArray::STD_VECTOR_VECTOR) {
    String error_message = "The data is expected as InputArray::STD_VECTOR_MAT (a std::vector<Mat>) or _InputArray::STD_VECTOR_VECTOR (a std::vector< std::vector<...> >).";
    CV_Error(Error::StsBadArg, error_message);
}

如何在opencv3中使用UMat来训练人脸识别

1 个答案: