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
2022-05-10 09:54:44 +08:00
parent ecdd171c6f
commit 718c41634f
10018 changed files with 3593797 additions and 186748 deletions
--- a/3rdparty/opencv-4.5.4/samples/gpu/bgfg_segm.cpp
+++ b/3rdparty/opencv-4.5.4/samples/gpu/bgfg_segm.cpp
@ -0,0 +1,143 @@
+#include <iostream>
+#include <string>
+
+#include "opencv2/core.hpp"
+#include "opencv2/core/utility.hpp"
+#include "opencv2/cudabgsegm.hpp"
+#include "opencv2/video.hpp"
+#include "opencv2/highgui.hpp"
+
+using namespace std;
+using namespace cv;
+using namespace cv::cuda;
+
+enum Method
+{
+    MOG,
+    MOG2,
+};
+
+int main(int argc, const char** argv)
+{
+    cv::CommandLineParser cmd(argc, argv,
+        "{ c camera |                    | use camera }"
+        "{ f file   | ../data/vtest.avi  | input video file }"
+        "{ m method | mog                | method (mog, mog2) }"
+        "{ h help   |                    | print help message }");
+
+    if (cmd.has("help") || !cmd.check())
+    {
+        cmd.printMessage();
+        cmd.printErrors();
+        return 0;
+    }
+
+    bool useCamera = cmd.has("camera");
+    string file = cmd.get<string>("file");
+    string method = cmd.get<string>("method");
+
+    if (method != "mog"
+        && method != "mog2")
+    {
+        cerr << "Incorrect method" << endl;
+        return -1;
+    }
+
+    Method m = method == "mog" ? MOG :
+               method == "mog2" ? MOG2 :
+                                  (Method)-1;
+    CV_Assert(m != (Method)-1);
+
+    VideoCapture cap;
+
+    if (useCamera)
+        cap.open(0);
+    else
+        cap.open(file);
+
+    if (!cap.isOpened())
+    {
+        cerr << "can not open camera or video file" << endl;
+        return -1;
+    }
+
+    Mat frame;
+    cap >> frame;
+
+    GpuMat d_frame(frame);
+
+    Ptr<BackgroundSubtractor> mog = cuda::createBackgroundSubtractorMOG();
+    Ptr<BackgroundSubtractor> mog2 = cuda::createBackgroundSubtractorMOG2();
+
+    GpuMat d_fgmask;
+    GpuMat d_fgimg;
+    GpuMat d_bgimg;
+
+    Mat fgmask;
+    Mat fgimg;
+    Mat bgimg;
+
+    switch (m)
+    {
+    case MOG:
+        mog->apply(d_frame, d_fgmask, 0.01);
+        break;
+
+    case MOG2:
+        mog2->apply(d_frame, d_fgmask);
+        break;
+    }
+
+    namedWindow("image", WINDOW_NORMAL);
+    namedWindow("foreground mask", WINDOW_NORMAL);
+    namedWindow("foreground image", WINDOW_NORMAL);
+    namedWindow("mean background image", WINDOW_NORMAL);
+
+    for(;;)
+    {
+        cap >> frame;
+        if (frame.empty())
+            break;
+        d_frame.upload(frame);
+
+        int64 start = cv::getTickCount();
+
+        //update the model
+        switch (m)
+        {
+        case MOG:
+            mog->apply(d_frame, d_fgmask, 0.01);
+            mog->getBackgroundImage(d_bgimg);
+            break;
+
+        case MOG2:
+            mog2->apply(d_frame, d_fgmask);
+            mog2->getBackgroundImage(d_bgimg);
+            break;
+        }
+
+        double fps = cv::getTickFrequency() / (cv::getTickCount() - start);
+        std::cout << "FPS : " << fps << std::endl;
+
+        d_fgimg.create(d_frame.size(), d_frame.type());
+        d_fgimg.setTo(Scalar::all(0));
+        d_frame.copyTo(d_fgimg, d_fgmask);
+
+        d_fgmask.download(fgmask);
+        d_fgimg.download(fgimg);
+        if (!d_bgimg.empty())
+            d_bgimg.download(bgimg);
+
+        imshow("image", frame);
+        imshow("foreground mask", fgmask);
+        imshow("foreground image", fgimg);
+        if (!bgimg.empty())
+            imshow("mean background image", bgimg);
+
+        char key = (char)waitKey(30);
+        if (key == 27)
+            break;
+    }
+
+    return 0;
+}