Let P be a simple polygon with N vertices, each assigned a weight c (0<i<N) with c€{0 , l } . We define the weight C of P as the added weight of its vertices, i.e., C = c 1 +. . . + c A r Making the assumption that the vertices of P have been sorted along some axis -which can be done in 0(Mog AO time-, we prove that it is possible, in O(N) time, to find two vertices a,b in P, such that the segm...

The paper summarizes a project to increase the sense of presence within a driving simulator while interacting with autonomous trafŽc. The project sought to model natural variations in ambient trafŽc to emulate identiŽable driving styles for different categories of driver. Probability distributions combined with decision histories were employed to characterize speed choice while providing a mech...

Experimental observations show that the presence of small tabs on the edge of a hot, compressible jet exiting into a slower moving, colder ambient ow can increase the rate of spreading of the jet. This suggests that the rate of mixing of the jet and the ambient uid is also increased. In order to elucidate the physical mechanism responsible for the increased spreading rate a set of calculations ...

For enjoying 3D video to its full extent, access and consumption of 3D content should be user centric, which in turn ensures enhanced quality of user experience. The experience nevertheless is easily influenced by several factors, including content characteristics, users’ preferences, contexts prevailing in various usage environments, etc. Utilizing ambient illumination as an environmental cont...

Using controlled environmental growth chambers, whole plants of soybean, cv. ‘Clark’, were examined during early development (7–20 days after sowing) at both ambient (μ 350 μL L–1) and elevated (μ 700 μL L–1) carbon dioxide and a range of air temperatures (20, 25, 30, and 35 °C) to determine if future climatic change (temperature or CO2 concentration) could alter the ratio of carbon lost by dar...

Recently, ambient backscatter communications has been introduced as a cutting-edge technology which enables smart devices to communicate by utilizing ambient radio frequency (RF) signals without requiring active RF transmission. This technology is especially effective in addressing communication and energy efficiency problems for low-power communications systems such as sensor networks. It is e...

We consider the determination of the optimal ne for noncompliance by a legislator who anticipates the inspection game between an autonomous inspection agency and polluting rms. This agency can make the inspection of individual rms contingent on ambient pollution. The agency's autonomy implies that it cannot commit itself to announced inspection probabilities. If the legislator centralizes the d...

Daily office work is often a mix of concentrated desktop work and scheduled meetings and appointments. However, constantly checking the clock and alarming popups interrupt the flow of creative work as they require the user's focused attention. We present Ambient Timer, an ambient light display designed to unobtrusively remind users of upcoming events. The light display mounted around the monito...

Ambient Assisted Living (AAL) is a societal imperative in many countries due to their aged demographic profile. Ambient Intelligence (AmI) offers a viable and intuitive framework by which such systems may realised in practice. However, a number of issues must be addressed if AmI is to become sufficiently mature and robust to support AAL. One such issue is the seamless combination of services, b...