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+// Copyright (c) 2011 libmv authors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to
+// deal in the Software without restriction, including without limitation the
+// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+// sell copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+// IN THE SOFTWARE.
+
+#ifndef LIBMV_SIMPLE_PIPELINE_BUNDLE_H
+#define LIBMV_SIMPLE_PIPELINE_BUNDLE_H
+
+#include "libmv/numeric/numeric.h"
+
+namespace libmv {
+
+class CameraIntrinsics;
+class EuclideanReconstruction;
+class ProjectiveReconstruction;
+class Tracks;
+
+struct BundleEvaluation {
+ BundleEvaluation() :
+ num_cameras(0),
+ num_points(0),
+ evaluate_jacobian(false) {
+ }
+
+ // Number of cameras appeared in bundle adjustment problem
+ int num_cameras;
+
+ // Number of points appeared in bundle adjustment problem
+ int num_points;
+
+ // When set to truth, jacobian of the problem after optimization
+ // will be evaluated and stored in \parameter jacobian
+ bool evaluate_jacobian;
+
+ // Contains evaluated jacobian of the problem.
+ // Parameters are ordered in the following way:
+ // - Intrinsics block
+ // - Cameras (for each camera rotation goes first, then translation)
+ // - Points
+ Mat jacobian;
+};
+
+/*!
+ Refine camera poses and 3D coordinates using bundle adjustment.
+
+ This routine adjusts all cameras and points in \a *reconstruction. This
+ assumes a full observation for reconstructed tracks; this implies that if
+ there is a reconstructed 3D point (a bundle) for a track, then all markers
+ for that track will be included in the minimization. \a tracks should
+ contain markers used in the initial reconstruction.
+
+ The cameras and bundles (3D points) are refined in-place.
+
+ \note This assumes an outlier-free set of markers.
+ \note This assumes a calibrated reconstruction, e.g. the markers are
+ already corrected for camera intrinsics and radial distortion.
+
+ \sa EuclideanResect, EuclideanIntersect, EuclideanReconstructTwoFrames
+*/
+void EuclideanBundle(const Tracks &tracks,
+ EuclideanReconstruction *reconstruction);
+
+/*!
+ Refine camera poses and 3D coordinates using bundle adjustment.
+
+ This routine adjusts all cameras positions, points, and the camera
+ intrinsics (assumed common across all images) in \a *reconstruction. This
+ assumes a full observation for reconstructed tracks; this implies that if
+ there is a reconstructed 3D point (a bundle) for a track, then all markers
+ for that track will be included in the minimization. \a tracks should
+ contain markers used in the initial reconstruction.
+
+ The cameras, bundles, and intrinsics are refined in-place.
+
+ Constraints denotes which blocks to keep constant during bundling.
+ For example it is useful to keep camera translations constant
+ when bundling tripod motions.
+
+ If evaluaiton is not null, different evaluation statistics is filled in
+ there, plus all the requested additional information (like jacobian) is
+ also calculating there. Also see comments for BundleEvaluation.
+
+ \note This assumes an outlier-free set of markers.
+
+ \sa EuclideanResect, EuclideanIntersect, EuclideanReconstructTwoFrames
+*/
+enum BundleIntrinsics {
+ BUNDLE_NO_INTRINSICS = 0,
+ BUNDLE_FOCAL_LENGTH = 1,
+ BUNDLE_PRINCIPAL_POINT = 2,
+ BUNDLE_RADIAL_K1 = 4,
+ BUNDLE_RADIAL_K2 = 8,
+ BUNDLE_RADIAL = 12,
+ BUNDLE_TANGENTIAL_P1 = 16,
+ BUNDLE_TANGENTIAL_P2 = 32,
+ BUNDLE_TANGENTIAL = 48,
+};
+enum BundleConstraints {
+ BUNDLE_NO_CONSTRAINTS = 0,
+ BUNDLE_NO_TRANSLATION = 1,
+};
+void EuclideanBundleCommonIntrinsics(
+ const Tracks &tracks,
+ const int bundle_intrinsics,
+ const int bundle_constraints,
+ EuclideanReconstruction *reconstruction,
+ CameraIntrinsics *intrinsics,
+ BundleEvaluation *evaluation = NULL);
+
+/*!
+ Refine camera poses and 3D coordinates using bundle adjustment.
+
+ This routine adjusts all cameras and points in \a *reconstruction. This
+ assumes a full observation for reconstructed tracks; this implies that if
+ there is a reconstructed 3D point (a bundle) for a track, then all markers
+ for that track will be included in the minimization. \a tracks should
+ contain markers used in the initial reconstruction.
+
+ The cameras and bundles (homogeneous 3D points) are refined in-place.
+
+ \note This assumes an outlier-free set of markers.
+ \note This assumes that radial distortion is already corrected for, but
+ does not assume that that other intrinsics are.
+
+ \sa ProjectiveResect, ProjectiveIntersect, ProjectiveReconstructTwoFrames
+*/
+void ProjectiveBundle(const Tracks &tracks,
+ ProjectiveReconstruction *reconstruction);
+
+} // namespace libmv
+
+#endif // LIBMV_SIMPLE_PIPELINE_BUNDLE_H
+