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Refactored videostab module. Added normalization into motion estimators.

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This commit is contained in:
Alexey Spizhevoy
2012-04-11 14:02:10 +00:00
parent 258afe7cc2
commit 9d871abd32
5 changed files with 126 additions and 57 deletions
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23
modules/videostab/include/opencv2/videostab/global_motion.hpp
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@@ -66,8 +66,7 @@ enum MotionModel
};
CV_EXPORTS Mat estimateGlobalMotionLeastSquares(
const std::vector<Point2f> &points0, const std::vector<Point2f> &points1,
int model = AFFINE, float *rmse = 0);
int npoints, Point2f *points0, Point2f *points1, int model = AFFINE, float *rmse = 0);
struct CV_EXPORTS RansacParams
{
@@ -80,16 +79,24 @@ struct CV_EXPORTS RansacParams
RansacParams(int size, float thresh, float eps, float prob)
: size(size), thresh(thresh), eps(eps), prob(prob) {}
static RansacParams translation2dMotionStd() { return RansacParams(1, 0.5f, 0.5f, 0.99f); }
static RansacParams translationAndScale2dMotionStd() { return RansacParams(2, 0.5f, 0.5f, 0.99f); }
static RansacParams linearSimilarity2dMotionStd() { return RansacParams(2, 0.5f, 0.5f, 0.99f); }
static RansacParams affine2dMotionStd() { return RansacParams(3, 0.5f, 0.5f, 0.99f); }
static RansacParams homography2dMotionStd() { return RansacParams(4, 0.5f, 0.5f, 0.99f); }
static RansacParams default2dMotion(MotionModel model)
{
CV_Assert(model < UNKNOWN);
if (model == TRANSLATION)
return RansacParams(1, 0.5f, 0.5f, 0.99f);
if (model == TRANSLATION_AND_SCALE)
return RansacParams(2, 0.5f, 0.5f, 0.99f);
if (model == LINEAR_SIMILARITY)
return RansacParams(2, 0.5f, 0.5f, 0.99f);
if (model == AFFINE)
return RansacParams(3, 0.5f, 0.5f, 0.99f);
return RansacParams(4, 0.5f, 0.5f, 0.99f);
}
};
CV_EXPORTS Mat estimateGlobalMotionRobust(
const std::vector<Point2f> &points0, const std::vector<Point2f> &points1,
int model = AFFINE, const RansacParams &params = RansacParams::affine2dMotionStd(),
int model = AFFINE, const RansacParams &params = RansacParams::default2dMotion(AFFINE),
float *rmse = 0, int *ninliers = 0);
class CV_EXPORTS GlobalMotionEstimatorBase