diff options
Diffstat (limited to 'thirdparty1/linux/include/opencv2/videostab/fast_marching_inl.hpp')
| -rw-r--r-- | thirdparty1/linux/include/opencv2/videostab/fast_marching_inl.hpp | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/thirdparty1/linux/include/opencv2/videostab/fast_marching_inl.hpp b/thirdparty1/linux/include/opencv2/videostab/fast_marching_inl.hpp new file mode 100644 index 0000000..fdd488a --- /dev/null +++ b/thirdparty1/linux/include/opencv2/videostab/fast_marching_inl.hpp @@ -0,0 +1,165 @@ +/*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) 2000-2008, Intel Corporation, all rights reserved. +// Copyright (C) 2009-2011, Willow Garage Inc., all rights reserved. +// Third party copyrights are property of their respective owners. +// +// 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*/ + +#ifndef OPENCV_VIDEOSTAB_FAST_MARCHING_INL_HPP +#define OPENCV_VIDEOSTAB_FAST_MARCHING_INL_HPP + +#include "opencv2/videostab/fast_marching.hpp" + +namespace cv +{ +namespace videostab +{ + +template <typename Inpaint> +Inpaint FastMarchingMethod::run(const cv::Mat &mask, Inpaint inpaint) +{ + using namespace cv; + + CV_Assert(mask.type() == CV_8U); + + static const int lut[4][2] = {{-1,0}, {0,-1}, {1,0}, {0,1}}; + + mask.copyTo(flag_); + flag_.create(mask.size()); + dist_.create(mask.size()); + index_.create(mask.size()); + narrowBand_.clear(); + size_ = 0; + + // init + for (int y = 0; y < flag_.rows; ++y) + { + for (int x = 0; x < flag_.cols; ++x) + { + if (flag_(y,x) == KNOWN) + dist_(y,x) = 0.f; + else + { + int n = 0; + int nunknown = 0; + + for (int i = 0; i < 4; ++i) + { + int xn = x + lut[i][0]; + int yn = y + lut[i][1]; + + if (xn >= 0 && xn < flag_.cols && yn >= 0 && yn < flag_.rows) + { + n++; + if (flag_(yn,xn) != KNOWN) + nunknown++; + } + } + + if (n>0 && nunknown == n) + { + dist_(y,x) = inf_; + flag_(y,x) = INSIDE; + } + else + { + dist_(y,x) = 0.f; + flag_(y,x) = BAND; + inpaint(x, y); + + narrowBand_.push_back(DXY(0.f,x,y)); + index_(y,x) = size_++; + } + } + } + } + + // make heap + for (int i = size_/2-1; i >= 0; --i) + heapDown(i); + + // main cycle + while (size_ > 0) + { + int x = narrowBand_[0].x; + int y = narrowBand_[0].y; + heapRemoveMin(); + + flag_(y,x) = KNOWN; + for (int n = 0; n < 4; ++n) + { + int xn = x + lut[n][0]; + int yn = y + lut[n][1]; + + if (xn >= 0 && xn < flag_.cols && yn >= 0 && yn < flag_.rows && flag_(yn,xn) != KNOWN) + { + dist_(yn,xn) = std::min(std::min(solve(xn-1, yn, xn, yn-1), solve(xn+1, yn, xn, yn-1)), + std::min(solve(xn-1, yn, xn, yn+1), solve(xn+1, yn, xn, yn+1))); + + if (flag_(yn,xn) == INSIDE) + { + flag_(yn,xn) = BAND; + inpaint(xn, yn); + heapAdd(DXY(dist_(yn,xn),xn,yn)); + } + else + { + int i = index_(yn,xn); + if (dist_(yn,xn) < narrowBand_[i].dist) + { + narrowBand_[i].dist = dist_(yn,xn); + heapUp(i); + } + // works better if it's commented out + /*else if (dist(yn,xn) > narrowBand[i].dist) + { + narrowBand[i].dist = dist(yn,xn); + heapDown(i); + }*/ + } + } + } + } + + return inpaint; +} + +} // namespace videostab +} // namespace cv + +#endif |