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Understanding the influence of multiple parameters in a complex simulation setting is a difficult task. In the ideal case, the scientist can freely steer such a simulation and is immediately presented with the results for a certain configuration of the input parameters. Such an exploration process is however not possible if the simulation is computationally too expensive. For these cases we present...
Water simulation and terrain change are both important aspects in computer graphics and useful in producing realistic interactive environment. We present a step to combine the two phenomena together. In our system terrain is carefully organized to make it can be modified easily. The water flow is calculated by the shallow water simulation, which is a 2D simplification of Navier-Stocks equations. When...
Visual attention is a complex concept that includes many processes to find the region of concentration in a visual scene. In this paper, we discuss a spatio-temporal visual saliency model where the visual information contained in videos is divided into two types: static and dynamic that are processed by two separate pathways. These pathways produce intermediate saliency maps that are merged together...
We present a method to couple particle-based fluid simulation methods such as Smoothed Particle Hydrodynamics (SPH) and volume rendering in order to visualize the fluid. A volume is generated from the fluid's implicit density field so volume raycasting can be performed to render the surface on the GPU. The volume generation algorithm is also implemented in the GPU and is suitable to be used with both...
This paper presents a method for implementing the ESM visual tracker proposed by Malis et al. on a GPU to realize fast and accurate visual tracking. The ESM tracker is effective especially for the images in which feature points are difficult to obtain, since it uses entire image pixels of the target image region. Although its ordinary CPU implementation runs fairly fast, our GPU implementation enables...
A low-cost excavator simulator has been developed in this paper for training human operators and evaluating control strategies for heavy-duty hydraulic machines. In such a system, the operator controls a virtual excavator by means of a joystick while experiencing realistic operating feelings through force feedback, graphical displays, and sound effects in virtual operating environments. A GPU (graphics...
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