setRansacParams(RansacParams::homography2dMotionStd());
setMaxRmse(0.5f);
setMinInlierRatio(0.1f);
+ setGridSize(Size(0,0));
}
{
detector_->detect(frame0, keypointsPrev_);
+ // add extra keypoints
+ if (gridSize_.width > 0 && gridSize_.height > 0)
+ {
+ float dx = (float)frame0.cols / (gridSize_.width + 1);
+ float dy = (float)frame0.rows / (gridSize_.height + 1);
+ for (int x = 0; x < gridSize_.width; ++x)
+ for (int y = 0; y < gridSize_.height; ++y)
+ keypointsPrev_.push_back(KeyPoint((x+1)*dx, (y+1)*dy, 0.f));
+ }
+
+ /*Mat img;
+ drawKeypoints(frame0, keypointsPrev_, img);
+ imshow("frame0_keypoints", img);
+ waitKey(3);*/
+
pointsPrev_.resize(keypointsPrev_.size());
for (size_t i = 0; i < keypointsPrev_.size(); ++i)
pointsPrev_[i] = keypointsPrev_[i].pt;
" -m, --model=(transl|transl_and_scale|linear_sim|affine|homography)\n"
" Set motion model. The default is affine.\n"
" --outlier-ratio=<float_number>\n"
- " Motion estimation outlier ratio hypothesis. The default is 0.5."
+ " Motion estimation outlier ratio hypothesis. The default is 0.5.\n"
" --min-inlier-ratio=<float_number>\n"
- " Minimum inlier ratio to decide if estimated motion is OK. The default is 0.1.\n\n"
+ " Minimum inlier ratio to decide if estimated motion is OK. The default is 0.1.\n"
+ " --nkps=<int_number>\n"
+ " Number of keypoints to find in each frame. The default is 1000.\n"
+ " --extra-kps=<int_number>\n"
+ " Extra keypoint grid size for motion estimation. The default is 0.\n\n"
" -sm, --save-motions=(<file_path>|no)\n"
" Save estimated motions into file. The default is no.\n"
" -lm, --load-motions=(<file_path>|no)\n"
" Minimum inlier ratio to decide if estimated motion is OK. The default is 0.1.\n"
" --ws-outlier-ratio=<float_number>\n"
" Motion estimation outlier ratio hypothesis. The default is 0.5.\n"
+ " --ws-nkps=<int_number>\n"
+ " Number of keypoints to find in each frame. The default is 1000.\n"
+ " --ws-extra-kps=<int_number>\n"
+ " Extra keypoint grid size for motion estimation. The default is 0.\n\n"
" -sm2, --save-motions2=(<file_path>|no)\n"
" Save motions estimated for wobble suppression. The default is no.\n"
" -lm2, --load-motions2=(<file_path>|no)\n"
"{ m | model | affine| }"
"{ | min-inlier-ratio | 0.1 | }"
"{ | outlier-ratio | 0.5 | }"
+ "{ | nkps | 1000 | }"
+ "{ | extra-kps | 0 | }"
"{ sm | save-motions | no | }"
"{ lm | load-motions | no | }"
"{ r | radius | 15 | }"
"{ | ws-model | homography | }"
"{ | ws-min-inlier-ratio | 0.1 | }"
"{ | ws-outlier-ratio | 0.5 | }"
+ "{ | ws-nkps | 1000 | }"
+ "{ | ws-extra-kps | 0 | }"
"{ sm2 | save-motions2 | no | }"
"{ lm2 | load-motions2 | no | }"
"{ o | output | stabilized.avi | }"
throw runtime_error("unknown wobble suppression motion model: " + arg("ws-model"));
}
+ est->setDetector(new GoodFeaturesToTrackDetector(argi("ws-nkps")));
RansacParams ransac = est->ransacParams();
ransac.eps = argf("ws-outlier-ratio");
est->setRansacParams(ransac);
est->setMinInlierRatio(argf("ws-min-inlier-ratio"));
- ws->setMotionEstimator(est);
+ est->setGridSize(Size(argi("ws-extra-kps"), argi("ws-extra-kps")));
+ ws->setMotionEstimator(est);
MotionModel model = est->motionModel();
if (arg("load-motions2") != "no")
throw runtime_error("unknown motion model: " + arg("model"));
}
+ est->setDetector(new GoodFeaturesToTrackDetector(argi("nkps")));
RansacParams ransac = est->ransacParams();
ransac.eps = argf("outlier-ratio");
est->setRansacParams(ransac);
est->setMinInlierRatio(argf("min-inlier-ratio"));
+ est->setGridSize(Size(argi("extra-kps"), argi("extra-kps")));
stabilizer->setMotionEstimator(est);
MotionModel model = stabilizer->motionEstimator()->motionModel();