no code implementations • 2 Jul 2018 • Jan Rühaak, Thomas Polzin, Stefan Heldmann, Ivor J. A. Simpson, Heinz Handels, Jan Modersitzki, Mattias P. Heinrich
Our method is designed for large respiratory motion by integrating sparse keypoint correspondences into a dense continuous optimization framework.
no code implementations • 27 Apr 2018 • Lars König, Jan Rühaak, Alexander Derksen, Jan Lellmann
Based on this analysis, we derive equivalent matrix-free closed-form expressions for derivative computations, eliminating the need for storing intermediate results and the costs of sparse matrix arithmetic.