java - FaceRecognizer 类 Unresolved java.lang.UnsatisfiedLinkError

Question

早上好!

我正在使用 java 进行人脸识别项目，但在 FaceRecognizer 类上遇到此错误:

Exception in thread "main" java.lang.UnsatisfiedLinkError: com.compa.opencv.nativec.FisherFaceRecognizerID.createFisherFaceRecognizer_1()J
    at com.compa.opencv.nativec.FisherFaceRecognizerID.createFisherFaceRecognizer_1(Native Method)
    at com.compa.opencv.nativec.FisherFaceRecognizerID.<init>(FisherFaceRecognizerID.java:15)
    at com.compa.opencv.PlayMain.createRecognizer(PlayMain.java:128)
    at com.compa.opencv.PlayMain.cameraRecognize(PlayMain.java:88)
    at com.compa.opencv.PlayMain.main(PlayMain.java:33)

我已尝试以下链接中的解决方案，但没有成功:s

Getting 'java.lang.UnsatisfiedLinkError': no lwjgl in java.library.path

Exception in thread "main" java.lang.UnsatisfiedLinkError: no openalprjni in java.library.path

Exception in thread "main" java.lang.UnsatisfiedLinkError"

这是包含错误的代码部分:

package com.compa.opencv.nativec;

import org.opencv.contrib.FaceRecognizer;

public class FisherFaceRecognizerID extends FaceRecognizer{

    private static native long createFisherFaceRecognizer_1();

    private static native long createFisherFaceRecognizer_1(int num_components);

    private static native long createFisherFaceRecognizer_2(int num_components,
            double threshold);

    public FisherFaceRecognizerID() {
        super(createFisherFaceRecognizer_1());
    }

    public FisherFaceRecognizerID(int num_components) {
        super(createFisherFaceRecognizer_1(num_components));
    }

    public FisherFaceRecognizerID(int num_components, double threshold) {
        super(createFisherFaceRecognizer_2(num_components, threshold));
    }

}

完整代码:https://www.dropbox.com/s/pa415f6lz3zbco7/DemoFaceRecognize-master%20%282%29.zip?dl=0

如果有任何帮助，我将不胜感激。

Answer 1

在我看来，您正在使用依赖于 native 二进制文件的第三方人脸识别库。

您必须将这些 native 二进制文件添加到您的类路径中，例如(Windows 中为*.dll 文件，unix 或linux 中为*.so)

UnsatisfiedLinkError - 通常意味着 Java native 接口(interface) (JNI) 调用无法找到 native 二进制文件。

这是 Eclipse 上的屏幕截图，您可以在源代码中看到 native 库，您可以单击“编辑”并选择 DLL 或 so 文件所在的文件夹。