Acquisition, Synthesis, and Rendering of Bidirectional Texture Functions

One of the main challenges in computer graphics is still the realistic rendering of complex materials such as fabric or skin. The difficulty arises from the complex meso structure and reflectance behavior defining the unique look‐and‐feel of a material. A wide class of such realistic materials can b...

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Bibliographic Details
Published in:Computer graphics forum Vol. 24; no. 1; pp. 83 - 109
Main Authors: Müller, G., Meseth, J., Sattler, M., Sarlette, R., Klein, R.
Format: Journal Article
Language:English
Published: 9600 Garsington Road , Oxford , OX4 2DQ , UK Blackwell Publishing Ltd 01.03.2005
Subjects:
and texture
bidirectional texture function
Computer graphics
Computer simulation
Data imaging
Guidelines
I.3.3 Picture/Image Generation: Digitizing and scanning
I.3.7 [Three-Dimensional Graphics and Realism]: Color
I.3.7 [Three‐Dimensional Graphics and Realism]: Color, shading, shadowing, and texture
I.4.1 Digitization and Image Capture: Reflectance
image-based rendering
Materials science
reflectance measurement
shading
shadowing
surface appearance
ISSN:0167-7055, 1467-8659
Online Access:Get full text
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Summary:One of the main challenges in computer graphics is still the realistic rendering of complex materials such as fabric or skin. The difficulty arises from the complex meso structure and reflectance behavior defining the unique look‐and‐feel of a material. A wide class of such realistic materials can be described as 2D‐texture under varying light‐ and view direction, namely, the Bidirectional Texture Function (BTF). Since an easy and general method for modeling BTFs is not available, current research concentrates on image‐based methods, which rely on measured BTFs (acquired real‐world data) in combination with appropriate synthesis methods. Recent results have shown that this approach greatly improves the visual quality of rendered surfaces and therefore the quality of applications such as virtual prototyping. This state‐of‐the‐art report (STAR) will present the techniques for the main tasks involved in producing photo‐realistic renderings using measured BTFs in details.
Bibliography:ArticleID:CGF830
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ISSN:0167-7055
1467-8659
DOI:10.1111/j.1467-8659.2005.00830.x