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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

SIMD and GPU-Accelerated Rendering of Implicit Models

Shirazian, Pourya 20 January 2015 (has links)
Implicit models inherently support automatic blending and trivial collision detection which makes them an effective tool for designing complex organic shapes with many applications in various areas of research including surgical simulation systems. However, slow rendering speeds can adversely affect the performance of simulation and modelling systems. In addition, when the models are incorporated in a surgical simulation system, interactive and smooth cutting becomes a required feature for many procedures. In this research, we propose a comprehensive framework for high-performance rendering and physically-based animation of tissues modelled using implicit surfaces. Our goal is to address performance and scalability issues that arise in rendering complex implicit models as well as in dynamic interactions between surgical tool and models. Complex models can be created with implicit primitives, blending operators, affine transformations, deformations and constructive solid geometry in a design environment that organizes all these in a scene graph data structure called the BlobTree. We show that the BlobTree modelling approach provides a very compact data structure which supports the requirements above, as well as incremental changes and trivial collision detection. A GPU-assisted surface extraction algorithm is proposed to support interactive modelling of complex BlobTree models. Using a finite element approach we discretize those models for accurate physically-based animation. Our system provides an interactive cutting ability using smooth intersection surfaces. We show an application of our system in a human skull craniotomy simulation. / Graduate / 0984 / pourya.shirazian@gmail.com
2

Exosymmetry

Jarness, Johanna January 2023 (has links)
This is a study that aims to challenge conventional garment construction through the use of a design method, based on using non-body-related shapes as a starting point to create wearable hybrids. The idea behind this project was to find ways to create inclusive and alternative ways of dressing by creating garments that allow all body types to interact with the garments dynamically and allow each body to create a unique interplay with them.
3

Life Forms

Woxinger Sköld, Linnea January 2013 (has links)
Life Forms is an examination of organic shapes in textile material and garments. The clothes deals with questions of tactile and emotional attraction in fashion, while the project as a whole is an attempt to constantly let creativity and curiosity be a part of the process.By using a method of letting go of the control and see what chance and the properties of the material might lead to, this work has become a growing organism of its own.The end result is a group of unique pieces, all in different materials and colour shades. They’re held together by concept as well as relations in tone and cuts. The collection could be viewed as a visual statement or worn with lots of care and love. / Program: Modedesignutbildningen

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