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/calib3d/doc/calib3d.bib

@@ -0,0 +1,62 @@
+@article{lepetit2009epnp,
+  title={Epnp: An accurate o (n) solution to the pnp problem},
+  author={Lepetit, Vincent and Moreno-Noguer, Francesc and Fua, Pascal},
+  journal={International journal of computer vision},
+  volume={81},
+  number={2},
+  pages={155--166},
+  year={2009},
+  publisher={Springer}
+}
+
+@article{gao2003complete,
+  title={Complete solution classification for the perspective-three-point problem},
+  author={Gao, Xiao-Shan and Hou, Xiao-Rong and Tang, Jianliang and Cheng, Hang-Fei},
+  journal={Pattern Analysis and Machine Intelligence, IEEE Transactions on},
+  volume={25},
+  number={8},
+  pages={930--943},
+  year={2003},
+  publisher={IEEE}
+}
+
+@inproceedings{hesch2011direct,
+  title={A direct least-squares (DLS) method for PnP},
+  author={Hesch, Joel and Roumeliotis, Stergios and others},
+  booktitle={Computer Vision (ICCV), 2011 IEEE International Conference on},
+  pages={383--390},
+  year={2011},
+  organization={IEEE}
+}
+
+@article{penate2013exhaustive,
+  title={Exhaustive linearization for robust camera pose and focal length estimation},
+  author={Penate-Sanchez, Adrian and Andrade-Cetto, Juan and Moreno-Noguer, Francesc},
+  journal={Pattern Analysis and Machine Intelligence, IEEE Transactions on},
+  volume={35},
+  number={10},
+  pages={2387--2400},
+  year={2013},
+  publisher={IEEE}
+}
+
+@inproceedings{Terzakis20,
+  author = {Terzakis, George and Lourakis, Manolis},
+  year = {2020},
+  month = {09},
+  pages = {},
+  title = {A Consistently Fast and Globally Optimal Solution to the Perspective-n-Point Problem}
+}
+
+@inproceedings{strobl2011iccv,
+  title={More accurate pinhole camera calibration with imperfect planar target},
+  author={Strobl, Klaus H. and Hirzinger, Gerd},
+  booktitle={2011 IEEE International Conference on Computer Vision (ICCV)},
+  pages={1068-1075},
+  month={Nov},
+  year={2011},
+  address={Barcelona, Spain},
+  publisher={IEEE},
+  url={https://elib.dlr.de/71888/1/strobl_2011iccv.pdf},
+  doi={10.1109/ICCVW.2011.6130369}
+}