Campus Event Calendar
Event Entry
New for: D1, D2, D3, INET, D4, D5, D6
What and Who
Realistic Modeling and Rendering of Fabrics
Zahra Montazeri
University of Manchester
AG4 Talk
Zahra is a lecturer (Assistant Professor) at the University of Manchester in the department of Computer Science. Her field of research is physics-based computer graphics with a focus on photorealistic rendering and appearance modelling for complex materials such as cloth, hair and fur. Currently, she works with Disney Research through consultancy and collaborates with WetaDigital on joint research projects.
She holds a PhD in Computer Science from the University of California, Irvine, advised by Shuang Zhao and worked with Professor Henrik Wann Jensen. During her studies, she worked at Pixar Animation Studios, Industrial Light & Magic (ILM), DreamWorks Animation and for two years at Luxion (makers of KeyShot). She received her M.Sc. in Computer Science from the University of California, Irvine in 2017 and her B.Sc. in Computer Engineering from Sharif University of Technology in 2015, Iran.
AG 1, AG 2, AG 3, INET, AG 4, AG 5, D6, SWS, RG1, MMCI
MPI Audience
English
Note: We use this to send email in the morning.
Date, Time and Location
Monday, 11 July 2022
11:00
60 Minutes
E1 4
024
Saarbrücken
Abstract
Modeling cloth appearance, an active research topics in computer graphics for decades,
generally boils down to representing the geometry and optics of a fabric. Existing models can
be broadly classified into two categories. Surface-based models depict cloth geometry using
smooth 2D sheets and optics using specialized reflectance models.
Micro-appearance models, on the other hand, express cloth geometry at the microscale
down to individual micron-diameter fibers and optics by utilizing volumetric or fiber-based
light scattering models.
In practice, both categories have their own advantages and disadvantages. The surface-based
models are typically light-weight, easy to edit, and can faithfully reproduce the appearance
of fabric at the macro-scale. Thus, they have been widely used in the computer graphics
industry. However, these models lack the fine-grained details that are crucial for cloth
rendering under close-up views. The micro-appearance models, in contrast, are capable of
generating renderings with remarkably high fidelity and details. Unfortunately, as these
models are highly data-intensive and usually difficult to manipulate, their practical use has
been quite limited.
In this talk, we present a family of new techniques to efficiently build and render
fabric models with fiber-level details. Our first contribution tackles the challenge an extension
of the micro-structure models by supporting fabric mechanics. Our second contribution focuses
on a practical appearance model for woven fabrics that represents the cloth in ply-level and
offers an interactive rendering process. Lastly, our third contribution aims for extending this
practical model for knitted fabrics. We also believe the techniques discussed
in this talk can inspire insights for other materials beyond fabrics such as hair and fur.
generally boils down to representing the geometry and optics of a fabric. Existing models can
be broadly classified into two categories. Surface-based models depict cloth geometry using
smooth 2D sheets and optics using specialized reflectance models.
Micro-appearance models, on the other hand, express cloth geometry at the microscale
down to individual micron-diameter fibers and optics by utilizing volumetric or fiber-based
light scattering models.
In practice, both categories have their own advantages and disadvantages. The surface-based
models are typically light-weight, easy to edit, and can faithfully reproduce the appearance
of fabric at the macro-scale. Thus, they have been widely used in the computer graphics
industry. However, these models lack the fine-grained details that are crucial for cloth
rendering under close-up views. The micro-appearance models, in contrast, are capable of
generating renderings with remarkably high fidelity and details. Unfortunately, as these
models are highly data-intensive and usually difficult to manipulate, their practical use has
been quite limited.
In this talk, we present a family of new techniques to efficiently build and render
fabric models with fiber-level details. Our first contribution tackles the challenge an extension
of the micro-structure models by supporting fabric mechanics. Our second contribution focuses
on a practical appearance model for woven fabrics that represents the cloth in ply-level and
offers an interactive rendering process. Lastly, our third contribution aims for extending this
practical model for knitted fabrics. We also believe the techniques discussed
in this talk can inspire insights for other materials beyond fabrics such as hair and fur.
Contact
Gurprit Singh
+49 681 9325 4108
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Virtual Meeting Details
Zoom
966 9159 4859
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Uwe Brahm, 07/18/2022 17:37 -- Created document.