Added GPU version of PyrLK based global motion estimator (videostab)
This commit is contained in:
Alexey Spizhevoy
65
modules/gpu/src/cuda/global_motion.cu
Normal file
65
modules/gpu/src/cuda/global_motion.cu
Normal file
@@ -0,0 +1,65 @@
|
||||
/*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, Willow Garage Inc., all rights reserved.
|
||||
// Copyright (C) 1993-2011, NVIDIA Corporation, 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 bpied warranties, including, but not limited to, the bpied
|
||||
// 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 "thrust/device_ptr.h"
|
||||
#include "thrust/remove.h"
|
||||
#include "thrust/functional.h"
|
||||
#include "internal_shared.hpp"
|
||||
|
||||
using namespace thrust;
|
||||
|
||||
namespace cv { namespace gpu { namespace device {
|
||||
|
||||
int compactPoints(int N, float *points0, float *points1, const uchar *mask)
|
||||
{
|
||||
thrust::device_ptr<float2> dpoints0((float2*)points0);
|
||||
thrust::device_ptr<float2> dpoints1((float2*)points1);
|
||||
thrust::device_ptr<const uchar> dmask(mask);
|
||||
|
||||
return thrust::remove_if(thrust::make_zip_iterator(thrust::make_tuple(dpoints0, dpoints1)),
|
||||
thrust::make_zip_iterator(thrust::make_tuple(dpoints0 + N, dpoints1 + N)),
|
||||
dmask, thrust::not1(thrust::identity<uchar>()))
|
||||
- make_zip_iterator(make_tuple(dpoints0, dpoints1));
|
||||
}
|
||||
|
||||
}}}
|
||||
75
modules/gpu/src/global_motion.cpp
Normal file
75
modules/gpu/src/global_motion.cpp
Normal file
@@ -0,0 +1,75 @@
|
||||
/*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, 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 GpuMaterials 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 bpied warranties, including, but not limited to, the bpied
|
||||
// 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 "precomp.hpp"
|
||||
|
||||
using namespace std;
|
||||
using namespace cv;
|
||||
using namespace cv::gpu;
|
||||
|
||||
#ifndef HAVE_CUDA
|
||||
|
||||
void cv::gpu::compactPoints(GpuMat&, GpuMat&, const GpuMat&) { throw_nogpu(); }
|
||||
|
||||
#else
|
||||
|
||||
namespace cv { namespace gpu { namespace device {
|
||||
|
||||
int compactPoints(int N, float *points0, float *points1, const uchar *mask);
|
||||
|
||||
}}}
|
||||
|
||||
void cv::gpu::compactPoints(GpuMat &points0, GpuMat &points1, const GpuMat &mask)
|
||||
{
|
||||
CV_Assert(points0.rows == 1 && points1.rows == 1 && mask.rows == 1);
|
||||
CV_Assert(points0.type() == CV_32FC2 && points1.type() == CV_32FC2 && mask.type() == CV_8U);
|
||||
CV_Assert(points0.cols == mask.cols && points1.cols == mask.cols);
|
||||
|
||||
int npoints = points0.cols;
|
||||
int remaining = cv::gpu::device::compactPoints(
|
||||
npoints, (float*)points0.data, (float*)points1.data, mask.data);
|
||||
|
||||
points0 = points0.colRange(0, remaining);
|
||||
points1 = points1.colRange(0, remaining);
|
||||
}
|
||||
|
||||
#endif
|
||||
Reference in New Issue
Block a user