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Expressive Skinning Methods for 3D C...

Toothman, Nicholas.

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Expressive Skinning Methods for 3D Character Animation.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Expressive Skinning Methods for 3D Character Animation./
Author:	Toothman, Nicholas.
Published:	Ann Arbor : ProQuest Dissertations & Theses, : 2020,
Description:	97 p.
Notes:	Source: Dissertations Abstracts International, Volume: 82-04, Section: B.
Contained By:	Dissertations Abstracts International82-04B.
Subject:	Computer science. -
Online resource:	https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=27829710
ISBN:	9798672162447

Expressive Skinning Methods for 3D Character Animation.
Toothman, Nicholas.

Expressive Skinning Methods for 3D Character Animation. - Ann Arbor : ProQuest Dissertations & Theses, 2020 - 97 p.

Source: Dissertations Abstracts International, Volume: 82-04, Section: B.

Thesis (Ph.D.)--University of California, Davis, 2020.

This item must not be sold to any third party vendors.

Real-time three-dimensional (3D) character animation has benefited greatly from advancements in skinning and surface deformation. While both fields offer tremendous techniques for controlling character shape over time, few methods address the needs of both. I propose such a method to enable greater artistic control and expressive potential. First, I introduce a skinning algorithm to address common artifacts and offer configurable shape behavior around joints. Second, I discuss embedding surface deformations in the skinning process. Both of these operate by adjusting scale vectors to provide the character's final shape. These vectors run from attachment points located within the mesh volume to vertex positions. Smooth skinning is achievable by combining a rigid transformation on the attachment point and a blended transformation on the scale vector. Further adjustments to scale vectors can produce surface deformation. This representation permits a variety of surface deformation methods. To demonstrate the effectiveness of the approach, I have written a graphics processing unit (GPU)-accelerated implementation of the deformation method, a rendering pipeline built to support and compare various skinning methods, and an input system well-suited for authoring character animations. Future work includes furthering shape control in the skinning method, developing more expressive deformation tools, and incorporating virtual reality (VR) support to provide an embodied interface for 3D animation using my deformation methods.

ISBN: 9798672162447Subjects--Topical Terms:

523869
Computer science.
Subjects--Index Terms:

3D graphics

Expressive Skinning Methods for 3D Character Animation.
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500 $a Source: Dissertations Abstracts International, Volume: 82-04, Section: B.
500 $a Advisor: Neff, Michael.
502 $a Thesis (Ph.D.)--University of California, Davis, 2020.
506 $a This item must not be sold to any third party vendors.
520 $a Real-time three-dimensional (3D) character animation has benefited greatly from advancements in skinning and surface deformation. While both fields offer tremendous techniques for controlling character shape over time, few methods address the needs of both. I propose such a method to enable greater artistic control and expressive potential. First, I introduce a skinning algorithm to address common artifacts and offer configurable shape behavior around joints. Second, I discuss embedding surface deformations in the skinning process. Both of these operate by adjusting scale vectors to provide the character's final shape. These vectors run from attachment points located within the mesh volume to vertex positions. Smooth skinning is achievable by combining a rigid transformation on the attachment point and a blended transformation on the scale vector. Further adjustments to scale vectors can produce surface deformation. This representation permits a variety of surface deformation methods. To demonstrate the effectiveness of the approach, I have written a graphics processing unit (GPU)-accelerated implementation of the deformation method, a rendering pipeline built to support and compare various skinning methods, and an input system well-suited for authoring character animations. Future work includes furthering shape control in the skinning method, developing more expressive deformation tools, and incorporating virtual reality (VR) support to provide an embodied interface for 3D animation using my deformation methods.
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653 $a 3D graphics
653 $a Animation
653 $a Interface
653 $a Sketch
653 $a Skinning
653 $a Virtual reality
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690 $a 0464
690 $a 0708
710 2 $a University of California, Davis. $b Computer Science. $3 1671200
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