* Creates an empty pair */

create keyframe online

* Empty constructor */

* Empty constructors */

* Recursively create directory if `path` not exists. * Return 0 if success. ****************************************************************

* Returns the Hamming distance between two descriptors * @param a first descriptor vector * @param b second descriptor vector * @return hammi

* \brief Apply distortion to input point (from the normalised plane) * * \param p_u undistorted coordinates of point on the normalised plane * \r

* \brief Apply distortion to input point (from the normalised plane) * * \param p_u undistorted coordinates of point on the normalised plane * \ret

* Returns whether all the possible values between min and max were * already given. If get() is called when empty() is true, the behaviour * is