track the trajectory with noise

This commit is contained in:
gfuse
2021-05-29 16:53:00 +02:00
parent cd6f0c5b97
commit faf00a6aad
20 changed files with 201 additions and 247 deletions
@@ -16,12 +16,11 @@
namespace svo {
class VisionFactor: public gtsam::NoiseModelFactor2<gtsam::Pose3,gtsam::Point3> {
class VisionFactor: public gtsam::NoiseModelFactor1<gtsam::Pose3> {
private:
// measurement information
gtsam::Point3 feature; ///<Unit-bearing vector of the feature.
int level; ///< Image pyramid level where feature was extracted.
gtsam::Pose3 pose; ///<Estimated pose in svo after GaussNewton optimization.
public:
/// shorthand for a smart pointer to a factor
@@ -29,36 +28,28 @@ namespace svo {
/**
* Constructor
* @param feature Unit-bearing vector of the feature.
* @param model is the standard deviation
* @param pose Camera pose.
* @param pointKey is the index of the landmark
* @param poseKey is the index of the camera pose
* @param landmark 3D position of the landmark
* @param body_P_sensor is the transform from body to sensor frame (default identity)
* @param level Image pyramid level where feature was extracted.
*/
VisionFactor(const gtsam::Point3& feature,const int level,
VisionFactor(const gtsam::Pose3& pose,
const gtsam::SharedNoiseModel& H,
gtsam::Key poseKey,gtsam::Key landKey ) :
gtsam::NoiseModelFactor2<gtsam::Pose3,gtsam::Point3>(H, poseKey,landKey), feature(feature),level(level){}
gtsam::Key poseKey) :
gtsam::NoiseModelFactor1<gtsam::Pose3>(H, poseKey), pose(pose){}
virtual ~VisionFactor(){}
/// error function
/// @param p the Estimated pose in Pose3
/// @param H the optional Jacobian matrix, which use boost optional and has default null pointer
gtsam::Vector evaluateError(const gtsam::Pose3& p,const gtsam::Point3& l,
boost::optional<gtsam::Matrix&> H1 = boost::none,boost::optional<gtsam::Matrix&> H2 = boost::none) const {
gtsam::Vector evaluateError(const gtsam::Pose3& p
,boost::optional<gtsam::Matrix&> H1 = boost::none) const {
// note that use boost optional like a pointer
// only calculate jacobian matrix when non-null pointer exists
gtsam::Matrix26 J1;
gtsam::Matrix23 J2;
gtsam::Point3 point(p*l);
svo::Frame::jacobian_xyz2uv(point, J1);
svo::Frame::jacobian_l2uv(point, J2);
Vector2d e=(vk::project2d(feature) - vk::project2d(point))*1.0 / (1<<level);
if(H1)(*H1) = (gtsam::Matrix(2,6)<< J1*1.0 / (1<<level)).finished();
if(H2)(*H2) = (gtsam::Matrix(2,3)<< J2*1.0 / (1<<level)).finished();
return e;
Eigen::Matrix<double,3,3> E_r=0.5*(p.rotation().matrix().transpose()*pose.rotation().matrix()-pose.rotation().matrix().transpose()*p.rotation().matrix());
Vector3d e_t=p.translation()-pose.translation();
if(H1)(*H1) = (gtsam::Matrix(3,6)<< 1,0,0,0,0,0,
0,0,1,0,0,0,
0,0,0,0,1,0).finished();
return (gtsam::Matrix(3,1)<<e_t.x(),e_t.z(),-E_r(0,2)).finished();
}
// The second is a 'clone' function that allows the factor to be copied. Under most
// circumstances, the following code that employs the default copy constructor should