Results Of the 3,789 participants sent a 60-month questionnaire in the pen group, 3,500 (92.4%) returned it compared with 3,462/3,793 (91.3%) in the control group (OR 1.16, 95% CI 0.98 to 1.37, p=0.08). There was evidence of a reduction of the number of reminders required (p=0.02) and the time taken to respond (p=0.01) in the pen group. Some difference was found in the completeness of the prima...

A couple of experiments are here presented to clarify the impact of slow light on light-matter interaction. The experiments are designed, so that the process generating slow light and the probed light-matter interaction only present a marginal cross-effect. The impact of slow light on simple molecular absorption could be separately evaluated under either material or structural slow light propag...

We report on search for Θ + (1540) and Ξ 3/2 (1860) pentaquark candidates in proton-induced reactions on various nuclear targets at √ s=41.6 GeV/c 2. The analyzed data sample consists of 200 million minimum bias events recorded at HERA-B which is a fixed target experiment having acceptance at mid-rapidity. No evidence for narrow (σ ≈ 5 MeV/c 2) signals in Θ + → pK 0 S and Ξ 3/2 → Ξπ channels is...

We present in this paper a novel calibration method that uses cross ratio t o compute world points falling onto any given light stripe plane of a structured light system. We show that, by using 4 known non-coplanar sets of 3 collinear world points, the direct 4 x 3 imageto-world transformation matrix for each light stripe plane can also be recovered from plane-to-plane homography. Preliminary e...

Our research goal is to improve stylus operability by utilizing the human knowledge and skills applied when a user uses a pen. Such knowledge and skills include, for example, the way a person holds a pen to apply a generous amount of ink to draw a thick line with a brush pen. We propose a form of interaction, Finger Action, which uses input operations applying such knowledge and skills. Finger ...

We propose a scheme to resolve handwriting from background printing. The scheme detects the indentations made by the pen in the paper. Photometric stereo is used to recover the surface; a matched /lter and classi/er are used to detect the stroke indentation. We assess the e0ect of uniform and textured backgrounds on the recovery of the stroke and test the scheme on practical examples. The techn...

This paper studies the problem of light estimation using a specular sphere. Most existing work on light estimation assumes distant point light sources, while this work considers an area light source which is estimated in 3D space by reconstructing its edges. An empirical analysis on existing methods for line estimation from a single view is carried out, and it is shown that line estimation for ...

genus to an abstract essence one would vary several coloured objects and discover that colour belongs to all of them as a highly abstract moment. In 80 other words, one would discover that colour is not an independent, real object; it presupposes extension in order to exist. For Husserl, Lockean dependencies between general concepts and their variants merely serve as a vast playground, or netwo...

We describe a lighting design system driven by sketching on 3D virtual models. Conventional lighting design tools simulate the lighting effects of design decisions such as window locations, surface treatments, and fixture placement. Light Pen takes the inverse approach by allowing the designer to indicate desired illumination on a 3D model. This serves as input to a knowledge-based lighting des...

We present a novel interaction device tracked in 6 degrees of freedom by two commodity cameras. The inexpensive Light Chisel is statically illuminated with two LEDs, and uses no additional sensor (e.g. inertial or magnetic) or means of communication or synchronization. Its form factor is well suited for a screwdriver or chisel grip, allowing the Light Chisel to be rolled between the fingers. Th...