Keywords

Computer Graphics, Rendering, Appearance Modeling

Abstract

Photorealistic rendering focuses on creating images with a computer that imitates pictures of reallife scenes as faithfully as possible. To achieve this, rendering algorithms require incorporating accurate modeling of how light interacts with various types of matter. For most objects, this model needs to account for the scattering of the light rays. However, this model falls short when rendering objects of sizes smaller or comparable to the wavelength of the incident light. In this case, new phenomena such as diffraction or interference are observed and have been characterized in optics. Digital rendering of those phenomena involve different light representations than the approximate light ray optics properties traditionally used in rendering. A first part of this work has been dedicated to creating analytical models to account for appearance phenomena which occur when light is interacting with small objects, namely, hair fibers, thin film coatings and quantum dots. A second part of this work focuses on measured material appearance models and how to find a parametrization over the appearance which can be used for editing.

Completion Date

2023

Semester

Fall

Committee Chair

Pattanaik, Sumanta

Degree

Doctor of Philosophy (Ph.D.)

College

College of Engineering and Computer Science

Department

Computer Science

Degree Program

Computer Science

Format

application/pdf

Identifier

DP0028010

URL

https://purls.library.ucf.edu/go/DP0028010

Language

English

Release Date

December 2023

Length of Campus-only Access

None

Access Status

Doctoral Dissertation (Open Access)

Campus Location

Orlando (Main) Campus

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