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Spatial data from image sequencesWilliams, Mark, n/a January 2007 (has links)
There are many existing methods for capturing three dimensional data from two dimensional images. Methods based on images captured from multiple view-points require solving the correspondence problem: establishing which points in each image represent the same points in the scene. Most attempts at solving the correspondence problem require carefully controlled lighting and reference points within the scene.
A new method captures many consecutive images to form a dense spatiotemporal volume as the camera-or scene-undergoes controlled motion. Feature points in the scene move along predictable paths within this volume. Analysing the exact motion of features determines their three dimensional position in the scene.
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Chinese Painting in 3D: An Artistic Study of the Use of the Traditional Chinese Painting Aesthetic in Three-Dimensional Computer GraphicsStrickland, Stephanie Ann 2010 December 1900 (has links)
This thesis presents a study of both traditional Chinese painting and threedimensional
(3D) digital non-photorealistic shading techniques, the results of which are used
to create a short animation illustrating an environment that maintains the aesthetic of a
Chinese painting while exploring a two-dimensional art style in a new way through camera
movement and parallax.
Traditional Chinese painting uses alternative methods to communicate depth, such as
value range, water-to-ink ratio and vertical placement of objects. In contrast, perspective and
parallax are native characteristics of 3D digital technology and are easily generated using a
virtual camera. When combining these two mediums to inject linear perspective into the
Chinese painting style, it is equally important to maintain the integrity of the aesthetic by
adhering to the stylistic and compositional rules throughout the animation. As a result, the
final project may be paused at many key frames and appear to follow these rules closely.
This study also describes the methodology of translating the Chinese painting
aesthetic into a 3D digital medium, which can also be used in the interpretation of other
traditional art styles.
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Rigging skeletal perissodactyl and artiodactyl ungulate limbs using analytic inverse kinematic-based solutions for a feature film production environmentTelford, William Lawrence, Jr 25 April 2007 (has links)
The goal of this thesis is to develop and construct a repeatable, scalable, and portable
rigging solution for the skeletal limbs of ungulates, maximizing functionality while
streamlining intuitive interface controls for a feature film production pipeline. The
research presents a methodology for breaking down character reference materials
commonly available to feature film productions like artwork, anatomical drawings,
photographs, and client provided performance criteria. It then presents a modular
methodology and approach for successfully evaluating and applying the character
reference to the construction of skeletal limbs using ungulates as the primary example.
Each limb is broken down into modules that more easily translate into the digital world.
The methodology then further defines how to combine and apply digital rigging tools
such as constraints and inverse and forward kinematic techniques in a layered and
modular way in order to achieve a robust character rig. The resulting ungulate limb rig
provides an efficient, intuitive, and robust solution capable of replicating the given
performance criteria as well as an example of a scalable approach applicable to non-ungulates. In application of the repeatable modular approach presented, huge efficiency
gains have been realized in feature film production pipelines. Animation studios are
under increasing pressure to create larger quantities of work, at higher quality, with
shorter timetables, and smaller relative budgets. This methodology successfully meets
those criteria.
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Nonlinear dimensionality reduction using probabilistic principal surfaces /Chang, Kui-yu, January 2000 (has links)
Thesis (Ph. D.)--University of Texas at Austin, 2000. / Vita. Includes bibliographical references (leaves 187-201). Available also in a digital version from Dissertation Abstracts.
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Panorama interpolation for novel view compositionYeung, Kwok-ho. January 2000 (has links)
Thesis (M. Phil.)--University of Hong Kong, 2001. / Includes bibliographical references (leaves 78-80).
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Multiresolution techniques on a parallel multidisplay multiresolution image compositing systemBlanke, William John, January 2001 (has links)
Thesis (Ph. D.)--University of Texas at Austin, 2001. / Vita. Includes bibliographical references. Available also from UMI/Dissertation Abstracts International.
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Efficient occlusion culling and non-refractive transparency rendering for interactive computer visualization /Poon, Chun-ho. January 2000 (has links)
Thesis (M. Phil.)--University of Hong Kong, 2001. / Includes bibliographical references (leaves 55-57).
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Multiresolution techniques on a parallel multidisplay multiresolution image compositing system /Blanke, William John, January 2001 (has links)
Thesis (Ph. D.)--University of Texas at Austin, 2001. / Vita. Includes bibliographical references (leaves 182-189). Available also in a digital version from Dissertation Abstracts.
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Scalable isocontour visualization for large datasets /Zhang, Xiaoyu, January 2001 (has links)
Thesis (Ph. D.)--University of Texas at Austin, 2001. / Vita. Includes bibliographical references (leaves 151-163). Available also in a digital version from Dissertation Abstracts.
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Sampling-sensitive multiresolution hierarchy for irregular meshes /Au, Kin Chung. January 2003 (has links)
Thesis (M. Phil.)--Hong Kong University of Science and Technology, 2003. / Includes bibliographical references (leaves 57-59). Also available in electronic version. Access restricted to campus users.
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