Home | History | Annotate | Download | only in videostab 
      1 /*M///////////////////////////////////////////////////////////////////////////////////////
      2 //
      3 //  IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
      4 //
      5 //  By downloading, copying, installing or using the software you agree to this license.
      6 //  If you do not agree to this license, do not download, install,
      7 //  copy or use the software.
      8 //
      9 //
     10 //                           License Agreement
     11 //                For Open Source Computer Vision Library
     12 //
     13 // Copyright (C) 2000-2008, Intel Corporation, all rights reserved.
     14 // Copyright (C) 2009-2011, Willow Garage Inc., all rights reserved.
     15 // Third party copyrights are property of their respective owners.
     16 //
     17 // Redistribution and use in source and binary forms, with or without modification,
     18 // are permitted provided that the following conditions are met:
     19 //
     20 //   * Redistribution's of source code must retain the above copyright notice,
     21 //     this list of conditions and the following disclaimer.
     22 //
     23 //   * Redistribution's in binary form must reproduce the above copyright notice,
     24 //     this list of conditions and the following disclaimer in the documentation
     25 //     and/or other materials provided with the distribution.
     26 //
     27 //   * The name of the copyright holders may not be used to endorse or promote products
     28 //     derived from this software without specific prior written permission.
     29 //
     30 // This software is provided by the copyright holders and contributors "as is" and
     31 // any express or implied warranties, including, but not limited to, the implied
     32 // warranties of merchantability and fitness for a particular purpose are disclaimed.
     33 // In no event shall the Intel Corporation or contributors be liable for any direct,
     34 // indirect, incidental, special, exemplary, or consequential damages
     35 // (including, but not limited to, procurement of substitute goods or services;
     36 // loss of use, data, or profits; or business interruption) however caused
     37 // and on any theory of liability, whether in contract, strict liability,
     38 // or tort (including negligence or otherwise) arising in any way out of
     39 // the use of this software, even if advised of the possibility of such damage.
     40 //
     41 //M*/
     42 
     43 #ifndef __OPENCV_VIDEOSTAB_WOBBLE_SUPPRESSION_HPP__
     44 #define __OPENCV_VIDEOSTAB_WOBBLE_SUPPRESSION_HPP__
     45 
     46 #include <vector>
     47 #include "opencv2/core.hpp"
     48 #include "opencv2/core/cuda.hpp"
     49 #include "opencv2/videostab/global_motion.hpp"
     50 #include "opencv2/videostab/log.hpp"
     51 
     52 namespace cv
     53 {
     54 namespace videostab
     55 {
     56 
     57 //! @addtogroup videostab
     58 //! @{
     59 
     60 class CV_EXPORTS WobbleSuppressorBase
     61 {
     62 public:
     63     WobbleSuppressorBase();
     64 
     65     virtual ~WobbleSuppressorBase() {}
     66 
     67     void setMotionEstimator(Ptr<ImageMotionEstimatorBase> val) { motionEstimator_ = val; }
     68     Ptr<ImageMotionEstimatorBase> motionEstimator() const { return motionEstimator_; }
     69 
     70     virtual void suppress(int idx, const Mat &frame, Mat &result) = 0;
     71 
     72 
     73     // data from stabilizer
     74 
     75     virtual void setFrameCount(int val) { frameCount_ = val; }
     76     virtual int frameCount() const { return frameCount_; }
     77 
     78     virtual void setMotions(const std::vector<Mat> &val) { motions_ = &val; }
     79     virtual const std::vector<Mat>& motions() const { return *motions_; }
     80 
     81     virtual void setMotions2(const std::vector<Mat> &val) { motions2_ = &val; }
     82     virtual const std::vector<Mat>& motions2() const { return *motions2_; }
     83 
     84     virtual void setStabilizationMotions(const std::vector<Mat> &val) { stabilizationMotions_ = &val; }
     85     virtual const std::vector<Mat>& stabilizationMotions() const { return *stabilizationMotions_; }
     86 
     87 protected:
     88     Ptr<ImageMotionEstimatorBase> motionEstimator_;
     89     int frameCount_;
     90     const std::vector<Mat> *motions_;
     91     const std::vector<Mat> *motions2_;
     92     const std::vector<Mat> *stabilizationMotions_;
     93 };
     94 
     95 class CV_EXPORTS NullWobbleSuppressor : public WobbleSuppressorBase
     96 {
     97 public:
     98     virtual void suppress(int idx, const Mat &frame, Mat &result);
     99 };
    100 
    101 class CV_EXPORTS MoreAccurateMotionWobbleSuppressorBase : public WobbleSuppressorBase
    102 {
    103 public:
    104     virtual void setPeriod(int val) { period_ = val; }
    105     virtual int period() const { return period_; }
    106 
    107 protected:
    108     MoreAccurateMotionWobbleSuppressorBase() { setPeriod(30); }
    109 
    110     int period_;
    111 };
    112 
    113 class CV_EXPORTS MoreAccurateMotionWobbleSuppressor : public MoreAccurateMotionWobbleSuppressorBase
    114 {
    115 public:
    116     virtual void suppress(int idx, const Mat &frame, Mat &result);
    117 
    118 private:
    119     Mat_<float> mapx_, mapy_;
    120 };
    121 
    122 #if defined(HAVE_OPENCV_CUDAWARPING)
    123 class CV_EXPORTS MoreAccurateMotionWobbleSuppressorGpu : public MoreAccurateMotionWobbleSuppressorBase
    124 {
    125 public:
    126     void suppress(int idx, const cuda::GpuMat &frame, cuda::GpuMat &result);
    127     virtual void suppress(int idx, const Mat &frame, Mat &result);
    128 
    129 private:
    130     cuda::GpuMat frameDevice_, resultDevice_;
    131     cuda::GpuMat mapx_, mapy_;
    132 };
    133 #endif
    134 
    135 //! @}
    136 
    137 } // namespace videostab
    138 } // namespace cv
    139 
    140 #endif
    141