The field hockey hit is an important but poorly understood stroke. In this study, we investigated the planarity of the stickface motion during the downswing to better characterize the kinematics and to assess the suitability of planar pendulum models for simulating the hit. Thirteen experienced female field hockey players were filmed executing hits with a single approach step, and the kinematic...

Vision tasks with constrained camera motion have been discussed for a long time since Active Vision appeared. As an example, Camera under planar motion can often simplify the works, like camera self-calibration, scene reconstruction and robot self-location. In this paper, we provide detail information on the algebraic characteristic and geometric interpretation of planar motion. It does help to...

Let R be the Wiener sausage of radius about a planar Brownian motion run to time 1. Let P be the probability that R contains the line segment [0, 1] on the x-axis. Upper and lower estimates are given for P . The upper estimate implies that the range of a planar Brownian motion contains no line segment.

We give an upper bound for the Green functions of conditioned Brownian motion in planar domains. A corollary is the conditional gauge theorem in bounded planar domains. Short title: Conditioned Brownian motion AMS Subject Classification (1985): Primary 60J50; Secondary 60J45, 60J65

The proposed research will explore human motion perception and navigation through a combination of neural modeling and experiments. A neural model is proposed in which optic flow is mapped to visual cortex via the cortical magnification factor, and this mapping serves as a basis for cell selectivity in the dorsal medial superior temporal cortex (MSTd). MSTd cells have large receptive fields, re...

As part of our continuing studies of the neuronal correlates of optic flow, we noted their illusory transformation by overlapping patterns of planar motion (Duffy & Wurtz, 1993). We observed that planar motion, overlapping an outward radial pattern, caused the focus of expansion (FOE) in the radial pattern to appear to be shifted in the direction of the planar motion. In their current commentar...