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/imgproc/perf/opencl/perf_pyramid.cpp

@@ -0,0 +1,134 @@
+/*M///////////////////////////////////////////////////////////////////////////////////////
+//
+//  IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
+//
+//  By downloading, copying, installing or using the software you agree to this license.
+//  If you do not agree to this license, do not download, install,
+//  copy or use the software.
+//
+//
+//                           License Agreement
+//                For Open Source Computer Vision Library
+//
+// Copyright (C) 2010-2012, Multicoreware, Inc., all rights reserved.
+// Copyright (C) 2010-2012, Advanced Micro Devices, Inc., all rights reserved.
+// Third party copyrights are property of their respective owners.
+//
+// @Authors
+//    Fangfang Bai, fangfang@multicorewareinc.com
+//    Jin Ma,       jin@multicorewareinc.com
+//
+// Redistribution and use in source and binary forms, with or without modification,
+// are permitted provided that the following conditions are met:
+//
+//   * Redistribution's of source code must retain the above copyright notice,
+//     this list of conditions and the following disclaimer.
+//
+//   * Redistribution's in binary form must reproduce the above copyright notice,
+//     this list of conditions and the following disclaimer in the documentation
+//     and/or other materials provided with the distribution.
+//
+//   * The name of the copyright holders may not be used to endorse or promote products
+//     derived from this software without specific prior written permission.
+//
+// This software is provided by the copyright holders and contributors as is and
+// any express or implied warranties, including, but not limited to, the implied
+// warranties of merchantability and fitness for a particular purpose are disclaimed.
+// In no event shall the Intel Corporation or contributors be liable for any direct,
+// indirect, incidental, special, exemplary, or consequential damages
+// (including, but not limited to, procurement of substitute goods or services;
+// loss of use, data, or profits; or business interruption) however caused
+// and on any theory of liability, whether in contract, strict liability,
+// or tort (including negligence or otherwise) arising in any way out of
+// the use of this software, even if advised of the possibility of such damage.
+//
+//M*/
+
+#include "../perf_precomp.hpp"
+#include "opencv2/ts/ocl_perf.hpp"
+
+#ifdef HAVE_OPENCL
+
+namespace opencv_test {
+namespace ocl {
+
+///////////// PyrDown //////////////////////
+
+typedef Size_MatType PyrDownFixture;
+
+OCL_PERF_TEST_P(PyrDownFixture, PyrDown,
+            ::testing::Combine(OCL_TEST_SIZES, OCL_TEST_TYPES_134))
+{
+    const Size_MatType_t params = GetParam();
+    const Size srcSize = get<0>(params);
+    const int type = get<1>(params);
+    const Size dstSize((srcSize.height + 1) >> 1, (srcSize.width + 1) >> 1);
+    const double eps = CV_MAT_DEPTH(type) <= CV_32S ? 1 : 1e-5;
+
+    checkDeviceMaxMemoryAllocSize(srcSize, type);
+    checkDeviceMaxMemoryAllocSize(dstSize, type);
+
+    UMat src(srcSize, type), dst(dstSize, type);
+    declare.in(src, WARMUP_RNG).out(dst);
+
+    OCL_TEST_CYCLE() cv::pyrDown(src, dst);
+
+    SANITY_CHECK(dst, eps);
+}
+
+///////////// PyrUp ////////////////////////
+
+typedef Size_MatType PyrUpFixture;
+
+OCL_PERF_TEST_P(PyrUpFixture, PyrUp,
+            ::testing::Combine(OCL_TEST_SIZES, OCL_TEST_TYPES_134))
+{
+    const Size_MatType_t params = GetParam();
+    const Size srcSize = get<0>(params);
+    const int type = get<1>(params);
+    const Size dstSize(srcSize.height << 1, srcSize.width << 1);
+    const double eps = CV_MAT_DEPTH(type) <= CV_32S ? 1 : 1e-5;
+
+    checkDeviceMaxMemoryAllocSize(srcSize, type);
+    checkDeviceMaxMemoryAllocSize(dstSize, type);
+
+    UMat src(srcSize, type), dst(dstSize, type);
+    declare.in(src, WARMUP_RNG).out(dst);
+
+    OCL_TEST_CYCLE() cv::pyrUp(src, dst);
+
+    SANITY_CHECK(dst, eps);
+}
+
+///////////// buildPyramid ////////////////////////
+
+typedef Size_MatType BuildPyramidFixture;
+
+OCL_PERF_TEST_P(BuildPyramidFixture, BuildPyramid,
+                ::testing::Combine(OCL_TEST_SIZES, OCL_TEST_TYPES_134))
+{
+    const Size_MatType_t params = GetParam();
+    const Size srcSize = get<0>(params);
+    const int type = get<1>(params), maxLevel = 5;
+    const double eps = CV_MAT_DEPTH(type) <= CV_32S ? 1 : 1e-5;
+
+    checkDeviceMaxMemoryAllocSize(srcSize, type);
+
+    std::vector<UMat> dst(maxLevel);
+    UMat src(srcSize, type);
+    declare.in(src, WARMUP_RNG);
+
+    OCL_TEST_CYCLE() cv::buildPyramid(src, dst, maxLevel);
+
+    UMat dst0 = dst[0], dst1 = dst[1], dst2 = dst[2], dst3 = dst[3], dst4 = dst[4];
+
+    SANITY_CHECK(dst0, eps);
+    SANITY_CHECK(dst1, eps);
+    SANITY_CHECK(dst2, eps);
+    SANITY_CHECK(dst3, eps);
+    SANITY_CHECK(dst4, eps);
+}
+
+} } // namespace opencv_test::ocl
+
+#endif // HAVE_OPENCL