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/samples/cpp/tutorial_code/ImgProc/HitMiss/HitMiss.cpp

@@ -0,0 +1,44 @@
+#include <opencv2/core.hpp>
+#include <opencv2/imgproc.hpp>
+#include <opencv2/highgui.hpp>
+
+using namespace cv;
+
+int main(){
+    Mat input_image = (Mat_<uchar>(8, 8) <<
+        0, 0, 0, 0, 0, 0, 0, 0,
+        0, 255, 255, 255, 0, 0, 0, 255,
+        0, 255, 255, 255, 0, 0, 0, 0,
+        0, 255, 255, 255, 0, 255, 0, 0,
+        0, 0, 255, 0, 0, 0, 0, 0,
+        0, 0, 255, 0, 0, 255, 255, 0,
+        0, 255, 0, 255, 0, 0, 255, 0,
+        0, 255, 255, 255, 0, 0, 0, 0);
+
+    Mat kernel = (Mat_<int>(3, 3) <<
+        0, 1, 0,
+        1, -1, 1,
+        0, 1, 0);
+
+    Mat output_image;
+    morphologyEx(input_image, output_image, MORPH_HITMISS, kernel);
+
+    const int rate = 50;
+    kernel = (kernel + 1) * 127;
+    kernel.convertTo(kernel, CV_8U);
+
+    resize(kernel, kernel, Size(), rate, rate, INTER_NEAREST);
+    imshow("kernel", kernel);
+    moveWindow("kernel", 0, 0);
+
+    resize(input_image, input_image, Size(), rate, rate, INTER_NEAREST);
+    imshow("Original", input_image);
+    moveWindow("Original", 0, 200);
+
+    resize(output_image, output_image, Size(), rate, rate, INTER_NEAREST);
+    imshow("Hit or Miss", output_image);
+    moveWindow("Hit or Miss", 500, 200);
+
+    waitKey(0);
+    return 0;
+}