An L-vertex, the point at which two contours coterminate, provides highly reliable evidence that a surface terminates at that vertex, thus providing the strongest constraint on the extraction of shape from images (Guzman, 1968). Such vertices are pervasive in our visual world but the importance of a statistical regularity about them has been underappreciated: The contours defining the vertex ar...

conclusions ma is nowadays the most accurate stereotactic anatomic guide for targeting the human na. it is a representative example of how stereotactic microanatomy could serve the development of stereotactic microneurosurgery. following the currently used trajectory through the alic, a dbs electrode placement within the na, targeting the ma, is feasible, allowing either na or alic stimulation....

In this paper a closing lemma for C1 nonsingular endomorphisms equivariant under free actions of finite-groups is proved. Hence a recurrent trajectory, as well as all of its symmetric conjugates, of a C1 nonsingular endomorphism equivariant under a free action of a finite group can be closed up simultaneously by an arbitrarily small C1 equivariant perturbation.

In this first paper, we consider how to putt a golf ball on an uneven green so that it arrives at the cup with minimal speed.

background:  the  current study examined race and ethnic differences in the separate and combined (additive) effects of anxiety, depression and problem drinking on the baseline and trajectory of subjective health among adult men in the united states. methods:  this longitudinal study used data from the fragile families and child well-being study. we included 4655 men, composed of 2407 blacks, 1...

In this paper we compare the reliability of numerical simulations given by the classical symplectic integrator (SI) and the clean numerical simulation (CNS) for chaotic Hamiltonian systems. The chaotic Hénon-Heiles system and the famous three-body problem are used as examples for comparison. It is found that the numerical simulations given by the symplectic integrator indeed preserves the conse...

Wheeled mobile robots are increasingly present in industrial and service robotics, requiring adequate solutions for the motion control problem. With reference to the unicycle kinematics, several control strategies for trajectory tracking and posture stabilization are reviewed and compared on simulation and experimental level. Experiments are reported for BellyBot, a two-wheel differentially-dri...

This paper proposes the extraction scheme of global motion and object trajectory in a video shot for content-based video retrieval. Motion is the key feature representing temporal information of videos. And it is more objective and consistent compared to other features such as color, texture, etc. Efficient motion feature extraction is an important step for content-based video retrieval. Some a...

Priority rules are one of the most promising approaches to aircraft conflict resolution. This paper deals with the problem of priority assignment in autonomous Air Traffic Management with imperfect trajectory prediction. A robust solution is presented that relies on onboard traffic pattern classification using a data base common to all aircraft. The method allows reaching a common consensus in ...