Dense and accurate motion tracking is an important requirement for many video feature extraction algorithms. In this paper we provide a method for computing point trajectories based on a fast parallel implementation of a recent optical flow algorithm that tolerates fast motion. The parallel implementation of large displacement optical flow runs about 78× faster than the serial C++ version. This...

A common problem in experimental mechanics is that when a sample is studied in, e.g. a tensile test machine, the sample is often simultaneously exposed to rigid body motions as small deformations occur. These two movements, the rigid body motion and the deformation, are often talked about as displacement fields. The sought deformation field is often in the micrometer range, while rigid body mot...

To generate large-scale digital elevation models (DEMs) and displacement maps from interferometric SAR (InSAR) data, the operator intervention must be minimized. One labour intensive processing step is traditionally utilization of tiepoints. For ERS, however, ground control points (GCPs) can be tied accurately to radar line number and range pixel without operator intervention. By combining prec...

References: [1] Brox, T., Malik, J.: Large displacement optical fow: descriptor matching in variational motion estimation. IEEE Transactions on Pattern Analysis and Machine Intelligence 33(3), 500-513 (2011) [2] Alvarez, L., Deriche, R., Papadopoulo, T., Sanchez, J.: Symmetrical Dense Optical Flow Estimation with Occlusions Detection. International Journal of Computer Vision 75(3), 371-385 (200...

Searching for small targets in large spaces is a common problem in the sciences. Because blind search is inadequate for such searches, it needs to be supplemented with additional information, thereby transforming a blind search into an assisted search. This additional information can be quantified and indicates that assisted searches themselves result from searching higher-level search spaces–b...

We present a method for the analysis of functional properties of large-scale DNA strand displacement (DSD) circuits based on Satisfiability Modulo Theories that enables us to prove the functional correctness of DNA circuit designs for arbitrary inputs, and provides significantly improved scalability and expressivity over existing methods. We implement this method as an extension to the Visual D...

The aim of the current study was to determine the retinotopic organization of a patient with congenital cortical dysgenesis and normal visual function. Using functional magnetic resonance imaging (fMRI), detailed retinotopic maps corresponding to the four visual field quadrants were projected onto cortical surfaces. Similar to control subjects, the upper right visual field mapped onto ventral l...