feat: 切换后端至PaddleOCR-NCNN，切换工程为CMake

1.项目后端整体迁移至PaddleOCR-NCNN算法，已通过基本的兼容性测试
2.工程改为使用CMake组织，后续为了更好地兼容第三方库，不再提供QMake工程
3.重整权利声明文件，重整代码工程，确保最小化侵权风险

Log: 切换后端至PaddleOCR-NCNN，切换工程为CMake
Change-Id: I4d5d2c5d37505a4a24b389b1a4c5d12f17bfa38c

3rdparty/opencv-4.5.4/modules/objdetect/misc/java/test/CascadeClassifierTest.java

@@ -0,0 +1,104 @@
+package org.opencv.test.objdetect;
+
+import org.opencv.core.Mat;
+import org.opencv.core.MatOfRect;
+import org.opencv.core.Size;
+import org.opencv.imgproc.Imgproc;
+import org.opencv.objdetect.CascadeClassifier;
+import org.opencv.objdetect.Objdetect;
+import org.opencv.test.OpenCVTestCase;
+import org.opencv.test.OpenCVTestRunner;
+
+public class CascadeClassifierTest extends OpenCVTestCase {
+
+    private CascadeClassifier cc;
+
+    @Override
+    protected void setUp() throws Exception {
+        super.setUp();
+
+        cc = null;
+    }
+
+    public void testCascadeClassifier() {
+        cc = new CascadeClassifier();
+        assertNotNull(cc);
+    }
+
+    public void testCascadeClassifierString() {
+        cc = new CascadeClassifier(OpenCVTestRunner.LBPCASCADE_FRONTALFACE_PATH);
+        assertNotNull(cc);
+    }
+
+    public void testDetectMultiScaleMatListOfRect() {
+        CascadeClassifier cc = new CascadeClassifier(OpenCVTestRunner.LBPCASCADE_FRONTALFACE_PATH);
+        MatOfRect faces = new MatOfRect();
+
+        Mat greyLena = new Mat();
+        Imgproc.cvtColor(rgbLena, greyLena, Imgproc.COLOR_RGB2GRAY);
+        Imgproc.equalizeHist(greyLena, greyLena);
+
+        cc.detectMultiScale(greyLena, faces, 1.1, 3, Objdetect.CASCADE_SCALE_IMAGE, new Size(30, 30), new Size());
+        assertEquals(1, faces.total());
+    }
+
+    public void testDetectMultiScaleMatListOfRectDouble() {
+        fail("Not yet implemented");
+    }
+
+    public void testDetectMultiScaleMatListOfRectDoubleInt() {
+        fail("Not yet implemented");
+    }
+
+    public void testDetectMultiScaleMatListOfRectDoubleIntInt() {
+        fail("Not yet implemented");
+    }
+
+    public void testDetectMultiScaleMatListOfRectDoubleIntIntSize() {
+        fail("Not yet implemented");
+    }
+
+    public void testDetectMultiScaleMatListOfRectDoubleIntIntSizeSize() {
+        fail("Not yet implemented");
+    }
+
+    public void testDetectMultiScaleMatListOfRectListOfIntegerListOfDouble() {
+        fail("Not yet implemented");
+    }
+
+    public void testDetectMultiScaleMatListOfRectListOfIntegerListOfDoubleDouble() {
+        fail("Not yet implemented");
+    }
+
+    public void testDetectMultiScaleMatListOfRectListOfIntegerListOfDoubleDoubleInt() {
+        fail("Not yet implemented");
+    }
+
+    public void testDetectMultiScaleMatListOfRectListOfIntegerListOfDoubleDoubleIntInt() {
+        fail("Not yet implemented");
+    }
+
+    public void testDetectMultiScaleMatListOfRectListOfIntegerListOfDoubleDoubleIntIntSize() {
+        fail("Not yet implemented");
+    }
+
+    public void testDetectMultiScaleMatListOfRectListOfIntegerListOfDoubleDoubleIntIntSizeSize() {
+        fail("Not yet implemented");
+    }
+
+    public void testDetectMultiScaleMatListOfRectListOfIntegerListOfDoubleDoubleIntIntSizeSizeBoolean() {
+        fail("Not yet implemented");
+    }
+
+    public void testEmpty() {
+        cc = new CascadeClassifier();
+        assertTrue(cc.empty());
+    }
+
+    public void testLoad() {
+        cc = new CascadeClassifier();
+        cc.load(OpenCVTestRunner.LBPCASCADE_FRONTALFACE_PATH);
+        assertFalse(cc.empty());
+    }
+
+}

3rdparty/opencv-4.5.4/modules/objdetect/misc/java/test/HOGDescriptorTest.java

@@ -0,0 +1,259 @@
+package org.opencv.test.objdetect;
+
+import org.opencv.objdetect.HOGDescriptor;
+import org.opencv.test.OpenCVTestCase;
+
+public class HOGDescriptorTest extends OpenCVTestCase {
+
+    public void testCheckDetectorSize() {
+        fail("Not yet implemented");
+    }
+
+    public void testComputeGradientMatMatMat() {
+        fail("Not yet implemented");
+    }
+
+    public void testComputeGradientMatMatMatSize() {
+        fail("Not yet implemented");
+    }
+
+    public void testComputeGradientMatMatMatSizeSize() {
+        fail("Not yet implemented");
+    }
+
+    public void testComputeMatListOfFloat() {
+        fail("Not yet implemented");
+    }
+
+    public void testComputeMatListOfFloatSize() {
+        fail("Not yet implemented");
+    }
+
+    public void testComputeMatListOfFloatSizeSize() {
+        fail("Not yet implemented");
+    }
+
+    public void testComputeMatListOfFloatSizeSizeListOfPoint() {
+        fail("Not yet implemented");
+    }
+
+    public void testDetectMatListOfPoint() {
+        fail("Not yet implemented");
+    }
+
+    public void testDetectMatListOfPointDouble() {
+        fail("Not yet implemented");
+    }
+
+    public void testDetectMatListOfPointDoubleSize() {
+        fail("Not yet implemented");
+    }
+
+    public void testDetectMatListOfPointDoubleSizeSize() {
+        fail("Not yet implemented");
+    }
+
+    public void testDetectMatListOfPointDoubleSizeSizeListOfPoint() {
+        fail("Not yet implemented");
+    }
+
+    public void testDetectMatListOfPointListOfDouble() {
+        fail("Not yet implemented");
+    }
+
+    public void testDetectMatListOfPointListOfDoubleDouble() {
+        fail("Not yet implemented");
+    }
+
+    public void testDetectMatListOfPointListOfDoubleDoubleSize() {
+        fail("Not yet implemented");
+    }
+
+    public void testDetectMatListOfPointListOfDoubleDoubleSizeSize() {
+        fail("Not yet implemented");
+    }
+
+    public void testDetectMatListOfPointListOfDoubleDoubleSizeSizeListOfPoint() {
+        fail("Not yet implemented");
+    }
+
+    public void testDetectMultiScaleMatListOfRect() {
+        fail("Not yet implemented");
+    }
+
+    public void testDetectMultiScaleMatListOfRectDouble() {
+        fail("Not yet implemented");
+    }
+
+    public void testDetectMultiScaleMatListOfRectDoubleSize() {
+        fail("Not yet implemented");
+    }
+
+    public void testDetectMultiScaleMatListOfRectDoubleSizeSize() {
+        fail("Not yet implemented");
+    }
+
+    public void testDetectMultiScaleMatListOfRectDoubleSizeSizeDouble() {
+        fail("Not yet implemented");
+    }
+
+    public void testDetectMultiScaleMatListOfRectDoubleSizeSizeDoubleDouble() {
+        fail("Not yet implemented");
+    }
+
+    public void testDetectMultiScaleMatListOfRectDoubleSizeSizeDoubleDoubleBoolean() {
+        fail("Not yet implemented");
+    }
+
+    public void testDetectMultiScaleMatListOfRectListOfDouble() {
+        fail("Not yet implemented");
+    }
+
+    public void testDetectMultiScaleMatListOfRectListOfDoubleDouble() {
+        fail("Not yet implemented");
+    }
+
+    public void testDetectMultiScaleMatListOfRectListOfDoubleDoubleSize() {
+        fail("Not yet implemented");
+    }
+
+    public void testDetectMultiScaleMatListOfRectListOfDoubleDoubleSizeSize() {
+        fail("Not yet implemented");
+    }
+
+    public void testDetectMultiScaleMatListOfRectListOfDoubleDoubleSizeSizeDouble() {
+        fail("Not yet implemented");
+    }
+
+    public void testDetectMultiScaleMatListOfRectListOfDoubleDoubleSizeSizeDoubleDouble() {
+        fail("Not yet implemented");
+    }
+
+    public void testDetectMultiScaleMatListOfRectListOfDoubleDoubleSizeSizeDoubleDoubleBoolean() {
+        fail("Not yet implemented");
+    }
+
+    public void testGet_blockSize() {
+        fail("Not yet implemented");
+    }
+
+    public void testGet_blockStride() {
+        fail("Not yet implemented");
+    }
+
+    public void testGet_cellSize() {
+        fail("Not yet implemented");
+    }
+
+    public void testGet_derivAperture() {
+        fail("Not yet implemented");
+    }
+
+    public void testGet_gammaCorrection() {
+        fail("Not yet implemented");
+    }
+
+    public void testGet_histogramNormType() {
+        fail("Not yet implemented");
+    }
+
+    public void testGet_L2HysThreshold() {
+        fail("Not yet implemented");
+    }
+
+    public void testGet_nbins() {
+        fail("Not yet implemented");
+    }
+
+    public void testGet_nlevels() {
+        fail("Not yet implemented");
+    }
+
+    public void testGet_svmDetector() {
+        fail("Not yet implemented");
+    }
+
+    public void testGet_winSigma() {
+        fail("Not yet implemented");
+    }
+
+    public void testGet_winSize() {
+        fail("Not yet implemented");
+    }
+
+    public void testGetDaimlerPeopleDetector() {
+        fail("Not yet implemented");
+    }
+
+    public void testGetDefaultPeopleDetector() {
+        fail("Not yet implemented");
+    }
+
+    public void testGetDescriptorSize() {
+        fail("Not yet implemented");
+    }
+
+    public void testGetWinSigma() {
+        fail("Not yet implemented");
+    }
+
+    public void testHOGDescriptor() {
+        HOGDescriptor hog = new HOGDescriptor();
+
+        assertNotNull(hog);
+        assertEquals(HOGDescriptor.DEFAULT_NLEVELS, hog.get_nlevels());
+    }
+
+    public void testHOGDescriptorSizeSizeSizeSizeInt() {
+        fail("Not yet implemented");
+    }
+
+    public void testHOGDescriptorSizeSizeSizeSizeIntInt() {
+        fail("Not yet implemented");
+    }
+
+    public void testHOGDescriptorSizeSizeSizeSizeIntIntDouble() {
+        fail("Not yet implemented");
+    }
+
+    public void testHOGDescriptorSizeSizeSizeSizeIntIntDoubleInt() {
+        fail("Not yet implemented");
+    }
+
+    public void testHOGDescriptorSizeSizeSizeSizeIntIntDoubleIntDouble() {
+        fail("Not yet implemented");
+    }
+
+    public void testHOGDescriptorSizeSizeSizeSizeIntIntDoubleIntDoubleBoolean() {
+        fail("Not yet implemented");
+    }
+
+    public void testHOGDescriptorSizeSizeSizeSizeIntIntDoubleIntDoubleBooleanInt() {
+        fail("Not yet implemented");
+    }
+
+    public void testHOGDescriptorString() {
+        fail("Not yet implemented");
+    }
+
+    public void testLoadString() {
+        fail("Not yet implemented");
+    }
+
+    public void testLoadStringString() {
+        fail("Not yet implemented");
+    }
+
+    public void testSaveString() {
+        fail("Not yet implemented");
+    }
+
+    public void testSaveStringString() {
+        fail("Not yet implemented");
+    }
+
+    public void testSetSVMDetector() {
+        fail("Not yet implemented");
+    }
+
+}

3rdparty/opencv-4.5.4/modules/objdetect/misc/java/test/ObjdetectTest.java

@@ -0,0 +1,42 @@
+package org.opencv.test.objdetect;
+
+import org.opencv.test.OpenCVTestCase;
+
+public class ObjdetectTest extends OpenCVTestCase {
+
+    public void testGroupRectanglesListOfRectListOfIntegerInt() {
+        fail("Not yet implemented");
+        /*
+        final int NUM = 10;
+        MatOfRect rects = new MatOfRect();
+        rects.alloc(NUM);
+
+        for (int i = 0; i < NUM; i++)
+            rects.put(i, 0, 10, 10, 20, 20);
+
+        int groupThreshold = 1;
+        Objdetect.groupRectangles(rects, null, groupThreshold);//TODO: second parameter should not be null
+        assertEquals(1, rects.total());
+        */
+    }
+
+    public void testGroupRectanglesListOfRectListOfIntegerIntDouble() {
+        fail("Not yet implemented");
+        /*
+        final int NUM = 10;
+        MatOfRect rects = new MatOfRect();
+        rects.alloc(NUM);
+
+        for (int i = 0; i < NUM; i++)
+            rects.put(i, 0, 10, 10, 20, 20);
+
+        for (int i = 0; i < NUM; i++)
+            rects.put(i, 0, 10, 10, 25, 25);
+
+        int groupThreshold = 1;
+        double eps = 0.2;
+        Objdetect.groupRectangles(rects, null, groupThreshold, eps);//TODO: second parameter should not be null
+        assertEquals(2, rects.size());
+        */
+    }
+}

3rdparty/opencv-4.5.4/modules/objdetect/misc/java/test/QRCodeDetectorTest.java

@@ -0,0 +1,48 @@
+package org.opencv.test.objdetect;
+
+import java.util.List;
+import org.opencv.core.Mat;
+import org.opencv.objdetect.QRCodeDetector;
+import org.opencv.imgcodecs.Imgcodecs;
+import org.opencv.test.OpenCVTestCase;
+import java.util.Arrays;
+import java.util.ArrayList;
+import java.util.HashSet;
+import java.util.List;
+
+public class QRCodeDetectorTest extends OpenCVTestCase {
+
+    private final static String ENV_OPENCV_TEST_DATA_PATH = "OPENCV_TEST_DATA_PATH";
+    private String testDataPath;
+
+    @Override
+    protected void setUp() throws Exception {
+        super.setUp();
+
+        testDataPath = System.getenv(ENV_OPENCV_TEST_DATA_PATH);
+        if (testDataPath == null)
+            throw new Exception(ENV_OPENCV_TEST_DATA_PATH + " has to be defined!");
+    }
+
+    public void testDetectAndDecode() {
+        Mat img = Imgcodecs.imread(testDataPath + "/cv/qrcode/link_ocv.jpg");
+        assertFalse(img.empty());
+        QRCodeDetector detector = new QRCodeDetector();
+        assertNotNull(detector);
+        String output = detector.detectAndDecode(img);
+        assertEquals(output, "https://opencv.org/");
+    }
+
+    public void testDetectAndDecodeMulti() {
+        Mat img = Imgcodecs.imread(testDataPath + "/cv/qrcode/multiple/6_qrcodes.png");
+        assertFalse(img.empty());
+        QRCodeDetector detector = new QRCodeDetector();
+        assertNotNull(detector);
+        List < String > output = new ArrayList< String >();
+        boolean result = detector.detectAndDecodeMulti(img, output);
+        assertTrue(result);
+        assertEquals(output.size(), 6);
+        List < String > expectedResults = Arrays.asList("SKIP", "EXTRA", "TWO STEPS FORWARD", "STEP BACK", "QUESTION", "STEP FORWARD");
+        assertEquals(new HashSet<String>(output), new HashSet<String>(expectedResults));
+    }
+}