Procedural texture mapping is a powerful technique, and use of the Perlin noise function makes procedural textures appear so realistic and interesting. It is also an expensive technique, and executing a texturing procedure on a per-pixel basis is costly, and usually prevents the method from being used in real time applications. In this paper, we present a method for computing the Perlin noise f...

The web is a complicated world where users are demanding and where small optimizations can make a big difference. Users want the information fast, but they also want the best quality. In terms of images, there is a well documented solution to that; Virtual Texturing. But when it comes to browsers and web application very few documentation exist and they lack technical details. This leads to my ...

The wealth of details in real scenes is far beyond the capabilities of explicit optical and geometrical modeling. In order to simulate the complex color or shape variations of such scenes, so-called texturing methods are often used. Unfortunately, they have some important drawbacks : speciicity to a particular phenomenon, mutual incompatibility, and worse, lack of extensibility and portability....

We present a new hybrid rendering method for interactive walkthroughs in photometrically complex environments. The display process starts from some approximation of the scene rendered at high frame rates using graphics hardware. Additional computation power is used to correct this rendering towards a high quality ray tracing solution during the walkthrough. This is achieved by applying correcti...

Article history: Laser surface texturing can Received 19 October 2007 Received in revised form 29 April 2008 Accepted 5 May 2008 Available online 16 May 2008

An amount of 3.0 mol% NaNbO3 seeds was used to align the grains 0.96(Na0.5K0.5)(Nb0.93Sb0.07)O3-(0.04−x)SrZrO3-x(Bi0.5Ag0.5)ZrO3 [NKNS-(0.04−x)SZ-xBAZ] thick films (0.0 ≤ x 0.04) along [001] direction. All textured had large Lotgering factors (>95%). The NKNS-0.02SZ-0.02BAZ film has a rhombohedral-orthorhombic-tetragonal (R-O-T) structure with proportion R-O (>80%) and nanodomains (0.7 nm...

The Challenge Realistic modeling, simulation, and rendering of fluid media have applications in various domains including virtual reality training, engineering visualization, medical simulation, computer animation, and electronic games. Often the computational expense involved in simulating complex fluid phenomena limits the resolution at which these simulations can be performed. This limitatio...

In this paper we address the need to automatically texture 3D objects. The currently accepted approach is to submit the 3D object to a sophisticated 3D modelling package. Then with a lot of user know-how, correctly cut and parameterise the mesh so as to minimise the overall distortion. In the presented framework, this is completely automated, even the texture discontinuities across the mesh sea...