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227 lines
8.6 KiB
C++
227 lines
8.6 KiB
C++
#include <string>
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#include <iostream>
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#include <sstream>
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#include <stdexcept>
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#include "opencv2/core/core.hpp"
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#include "opencv2/video/video.hpp"
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#include "opencv2/imgproc/imgproc.hpp"
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#include "opencv2/highgui/highgui.hpp"
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#include "opencv2/videostab/videostab.hpp"
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using namespace std;
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using namespace cv;
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using namespace cv::videostab;
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Ptr<Stabilizer> stabilizer;
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double outputFps;
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string outputPath;
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void run();
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void printHelp();
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void run()
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{
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VideoWriter writer;
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Mat stabilizedFrame;
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while (!(stabilizedFrame = stabilizer->nextFrame()).empty())
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{
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if (!outputPath.empty())
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{
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if (!writer.isOpened())
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writer.open(outputPath, CV_FOURCC('X','V','I','D'), outputFps, stabilizedFrame.size());
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writer << stabilizedFrame;
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}
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imshow("stabilizedFrame", stabilizedFrame);
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char key = static_cast<char>(waitKey(3));
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if (key == 27)
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break;
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}
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cout << "\nfinished\n";
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}
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void printHelp()
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{
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cout << "OpenCV video stabilizer.\n"
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"Usage: videostab <file_path> [arguments]\n\n"
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"Arguments:\n"
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" -m, --model=(transl|transl_and_scale|affine)\n"
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" Set motion model. The default is affine.\n"
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" --outlier-ratio=<float_number>\n"
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" Outliers ratio in motion estimation. The default is 0.5.\n"
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" --min-inlier-ratio=<float_number>\n"
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" Minimum inlier ratio to decide if estimated motion is OK. The default is 0.1,\n"
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" but you may want to increase it.\n"
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" -r, --radius=<int_number>\n"
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" Set smoothing radius. The default is 15.\n"
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" --stdev=<float_number>\n"
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" Set smoothing weights standard deviation. The default is sqrt(radius).\n"
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" --deblur=(yes|no)\n"
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" Do deblurring.\n"
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" --deblur-sens=<float_number>\n"
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" Set deblurring sensitivity (from 0 to +inf). The default is 0.1.\n"
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" -t, --trim-ratio=<float_number>\n"
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" Set trimming ratio (from 0 to 0.5). The default is 0.\n"
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" --est-trim=(yes|no)\n"
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" Estimate trim ratio automatically. The default is yes (that leads to two passes,\n"
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" you can turn it off if you want to use one pass only).\n"
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" --incl-constr=(yes|no)\n"
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" Ensure the inclusion constraint is always satisfied. The default is no.\n"
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" --border-mode=(replicate|const)\n"
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" Set border extrapolation mode. The default is replicate.\n"
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" --mosaic=(yes|no)\n"
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" Do consistent mosaicing. The default is no.\n"
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" --mosaic-stdev=<float_number>\n"
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" Consistent mosaicing stdev threshold. The default is 10.\n"
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" --motion-inpaint=(yes|no)\n"
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" Do motion inpainting (requires GPU support). The default is no.\n"
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" --color-inpaint=(yes|no)\n"
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" Do color inpainting. The defailt is no.\n"
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" -o, --output=<file_path>\n"
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" Set output file path explicitely. The default is stabilized.avi.\n"
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" --fps=<int_number>\n"
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" Set output video FPS explicitely. By default the source FPS is used.\n"
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" -h, --help\n"
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" Print help.\n"
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"\n";
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}
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int main(int argc, const char **argv)
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{
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try
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{
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const char *keys =
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"{ 1 | | | | }"
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"{ m | model | | }"
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"{ | min-inlier-ratio | | }"
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"{ | outlier-ratio | | }"
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"{ r | radius | | }"
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"{ | stdev | | }"
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"{ | deblur | | }"
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"{ | deblur-sens | | }"
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"{ | est-trim | | }"
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"{ t | trim-ratio | | }"
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"{ | incl-constr | | }"
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"{ | border-mode | | }"
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"{ | mosaic | | }"
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"{ | mosaic-stdev | | }"
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"{ | motion-inpaint | | }"
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"{ | color-inpaint | | }"
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"{ o | output | stabilized.avi | }"
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"{ | fps | | }"
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"{ h | help | false | }";
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CommandLineParser cmd(argc, argv, keys);
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// parse command arguments
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if (cmd.get<bool>("help"))
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{
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printHelp();
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return 0;
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}
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stabilizer = new Stabilizer();
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string inputPath = cmd.get<string>("1");
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if (inputPath.empty())
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throw runtime_error("specify video file path");
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VideoFileSource *frameSource = new VideoFileSource(inputPath);
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outputFps = frameSource->fps();
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stabilizer->setFrameSource(frameSource);
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cout << "frame count: " << frameSource->frameCount() << endl;
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PyrLkRobustMotionEstimator *motionEstimator = new PyrLkRobustMotionEstimator();
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if (cmd.get<string>("model") == "transl")
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motionEstimator->setMotionModel(TRANSLATION);
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else if (cmd.get<string>("model") == "transl_and_scale")
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motionEstimator->setMotionModel(TRANSLATION_AND_SCALE);
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else if (cmd.get<string>("model") == "affine")
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motionEstimator->setMotionModel(AFFINE);
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else if (!cmd.get<string>("model").empty())
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throw runtime_error("unknow motion mode: " + cmd.get<string>("model"));
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if (!cmd.get<string>("outlier-ratio").empty())
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{
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RansacParams ransacParams = motionEstimator->ransacParams();
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ransacParams.eps = atof(cmd.get<string>("outlier-ratio").c_str());
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motionEstimator->setRansacParams(ransacParams);
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}
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if (!cmd.get<string>("min-inlier-ratio").empty())
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motionEstimator->setMinInlierRatio(atof(cmd.get<string>("min-inlier-ratio").c_str()));
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stabilizer->setMotionEstimator(motionEstimator);
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int smoothRadius = -1;
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float smoothStdev = -1;
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if (!cmd.get<string>("radius").empty())
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smoothRadius = atoi(cmd.get<string>("radius").c_str());
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if (!cmd.get<string>("stdev").empty())
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smoothStdev = atof(cmd.get<string>("stdev").c_str());
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if (smoothRadius > 0 && smoothStdev > 0)
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stabilizer->setMotionFilter(new GaussianMotionFilter(smoothRadius, smoothStdev));
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else if (smoothRadius > 0 && smoothStdev < 0)
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stabilizer->setMotionFilter(new GaussianMotionFilter(smoothRadius, sqrt(smoothRadius)));
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if (cmd.get<string>("deblur") == "yes")
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{
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WeightingDeblurer *deblurer = new WeightingDeblurer();
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if (!cmd.get<string>("deblur-sens").empty())
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deblurer->setSensitivity(atof(cmd.get<string>("deblur-sens").c_str()));
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stabilizer->setDeblurer(deblurer);
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}
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if (!cmd.get<string>("est-trim").empty())
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stabilizer->setEstimateTrimRatio(cmd.get<string>("est-trim") == "yes");
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if (!cmd.get<string>("trim-ratio").empty())
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stabilizer->setTrimRatio(atof(cmd.get<string>("trim-ratio").c_str()));
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stabilizer->setInclusionConstraint(cmd.get<string>("incl-constr") == "yes");
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if (cmd.get<string>("border-mode") == "replicate")
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stabilizer->setBorderMode(BORDER_REPLICATE);
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else if (cmd.get<string>("border-mode") == "const")
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stabilizer->setBorderMode(BORDER_CONSTANT);
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else if (!cmd.get<string>("border-mode").empty())
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throw runtime_error("unknown border extrapolation mode: " + cmd.get<string>("border-mode"));
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InpaintingPipeline *inpainters = new InpaintingPipeline();
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if (cmd.get<string>("mosaic") == "yes")
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{
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ConsistentMosaicInpainter *inpainter = new ConsistentMosaicInpainter();
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if (!cmd.get<string>("mosaic-stdev").empty())
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inpainter->setStdevThresh(atof(cmd.get<string>("mosaic-stdev").c_str()));
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inpainters->pushBack(inpainter);
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}
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if (cmd.get<string>("motion-inpaint") == "yes")
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inpainters->pushBack(new MotionInpainter());
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if (cmd.get<string>("color-inpaint") == "yes")
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inpainters->pushBack(new ColorAverageInpainter());
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if (!inpainters->empty())
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stabilizer->setInpainter(inpainters);
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stabilizer->setLog(new LogToStdout());
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outputPath = cmd.get<string>("output");
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if (!cmd.get<string>("fps").empty())
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outputFps = atoi(cmd.get<string>("fps").c_str());
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// run video processing
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run();
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}
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catch (const exception &e)
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{
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cout << e.what() << endl;
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stabilizer.release();
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return -1;
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}
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stabilizer.release();
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return 0;
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}
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