نتایج جستجو برای: timeworn texture

تعداد نتایج: 41453  

Journal: :CoRR 2013
Branko Malesevic Ratko Obradovic Bojan Banjac Ivana Jovovic Milica Makragic

In this paper we present modern texture mapping techniques and several applications of polynomial texture mapping in cultural heritage programs. We also consider some well‐known and some new methods for mathematical procedure that is involved in generation of polynomial texture maps.

2008
Michal Haindl Vojtech Havlícek Jirí Grim

A new generative multispectral texture model based on discrete distribution mixtures is introduced. Statistical texture properties are represented by a discrete distribution mixture of product components. A natural colour or multispectral texture is spectrally factorized and discrete mixtures models are learned and used to synthesize single orthogonal monospectral components. Texture synthesis ...

1999
Yizhou Yu

Projective texture-mapping is a powerful tool for image-based rendering. However, visibility information must be obtained in order to project correct textures onto the geometric sturcture. This paper presents a novel visibility algorithm for determining which polygons are visible from each camera position. It has object-space precision, but operates in both image-space and object-space to get b...

Journal: :Computers & Graphics 1999
Yizhou Yu

Projective texture-mapping is a powerful tool for image-based rendering. However, visibility information must be obtained in order to project correct textures onto the geometric sturcture. This paper presents a novel visibility algorithm for determining which polygons are visible from each camera position. It has object-space precision, but operates in both image-space and object-space to get b...

2003
Antonio Haro Irfan A. Essa

Realistic rendering of computer modeled three dimensional surfaces typically involves estimation of the reflectance properties of the material to be used for rendering the surface, or use of photographs of the material for texturing instead. Bidirectional texture functions (BTFs) can be used for this purpose, however, full coverage of all viewing and lighting directions desired must be acquired...

2004
Claire Gallagher Anil Kokaram

This paper presents a new algorithm for synthesising image texture. Texture synthesis is an important process in image post-production. The best previous approaches have used non-parametric methods for synthesising texture. Unfortunately, these methods generally suffer from high computational cost and difficulty in handling scale in the synthesis process. This paper introduces a new idea of usi...

2005
Takahiro KAWABE Kayo MIURA

This paper reviews the literature on texture segregation and texture transparency, and proposes a new account of texture transparency based on the theory of texture segregation. To date, it has been suggested that the perception of transparency might stem from perceptual grouping or spacing effects between texture elements. Based on recent data, this paper argues that texture transparency shoul...

2005
Tuen-Young Ng Conghua Wen Tiow Seng Tan Xinyu Zhang Young J. Kim

This paper presents an effective approach to generate a set of small textures from an input texture that can be tiled together to synthesize large textures. Such a small set can be useful in texturing any large area realistically and efficiently while consuming only a small amount of texture memory. Our approach is advantageous in its ability to generate a smaller number of tiles that can embed...

Journal: :journal of ultrafine grained and nanostructured materials 2015
s.m. fatemi abbas zarei-hanzaki

the evolution of texture was discussed during the formation of ultra-fine and nano grains in a magnesium alloy severely deformed through accumulative back extrusion (abe). the microstructure and texture obtained after applying multiple deformation passes at temperatures of 100 and 250°c were characterized. the results showed that after single abe pass at 100°c an ultrafine/nano grained microstr...

Journal: :Tetsu-to-Hagane 1984

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