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Journals and Conferences
In this paper, we present Art of Defense (AoD), a cooperative handheld augmented reality (AR) game. AoD is an example of what we call an AR Board Game, a class of tabletop games that combine handheld computers (such as camera phones) with physical game pieces to create a merged physical/virtual game on the table-top. This paper discusses the technical… (More)
We present a new algorithm for enforcing incompressibility for Smoothed Particle Hydrodynamics (SPH) by preserving uniform density across the domain. We propose a hybrid method that uses a Poisson solve on a coarse grid to enforce a divergence free velocity field, followed by a local density correction of the particles. This avoids typical grid artifacts… (More)
We present an approach for artist-directed animation of liquids using multiple levels of control over the simulation, ranging from the overall tracking of desired shapes to highly detailed secondary effects such as dripping streams, separating sheets of fluid, surface waves and ripples. The first portion of our technique is a volume preserving morph that… (More)
Interactive media not only should enhance human-to-human communication, but also human-to-animal communication. We promote a new type of media interaction allowing human users to interact and play with their small pets (like hamsters) remotely via Internet through a mixed-reality-based game system “Metazoa Ludens”. To examine the systems effectiveness:… (More)
We present a method for smoothly blending between existing liquid animations. We introduce a semi-automatic method for matching two existing liquid animations, which we use to create new fluid motion that plausibly interpolates the input. Our contributions include a new space-time non-rigid iterative closest point algorithm that incorporates user guidance,… (More)
The traditional use of Curcuma caesia leaves by farmers to stimulate rice seed germination is scientifically concirmed in this article.
In this thesis, we focus on surface representations for particle-based fluid simulators such as Smoothed Particle Hydrodynamics (SPH). We first present a new surface reconstruction algorithm that formulates the implicit function as a sum of anisotropic smoothing kernels. The direction of anisotropy at a particle is determined by performing Weighted… (More)
In this paper, we present two approaches to determine a subset of disks that are visible from a specified viewpoint. We analyze their characteristics and relative performance. Our results show that the exact visibility is superior to the sampling approach in terms of precision as well as performance for large number of disks.