Recognition.java 文件源码

/**
 * 
* @Title: reconstructFace 
* @Description: 从输入的预处理图像在人脸模型中重构人脸
* @param model 包含预处理的人脸模型
* @param preprocessedFace 输入的预处理过的图像
* @return
* Mat 
* @throws
 */
public static Mat reconstructFace(BasicFaceRecognizer model, Mat preprocessedFace){
    try {
        // 获取每个人脸的特征值
        Mat eigenvectors = model.getEigenVectors();
        // 获取平均人脸
        Mat averageFaceRow = model.getMean();
        int faceHeight = preprocessedFace.rows();
        // subspaceProject将人脸图像投影到特征空间
        Mat projection = subspaceProject(eigenvectors, averageFaceRow, preprocessedFace.reshape(1, 1));
        // subspaceReconstruct从特征空间重构图像
        Mat reconstructionRow = subspaceReconstruct(eigenvectors, averageFaceRow, projection);

        Mat reconstructionMat = reconstructionRow.reshape(1, faceHeight);
        Mat reconstructedFace = new Mat(reconstructionMat.size(), CvType.CV_8U);
        reconstructionMat.convertTo(reconstructedFace, CvType.CV_8U, 1, 0);

        return reconstructedFace;
    } catch(CvException e) {
        e.printStackTrace();
    }
    return null;
}