A multifragment renderer for material aging visualization (Master thesis)

Αδαμόπουλος, Γεώργιος


We report on the development of a visualization tool for material aging of cultural heritage artifacts. The tool is aimed at curators, archaeologists and other users that wishtoobserve,visualizeandpreventtheprocessofmaterialaginginartworkobjects. The tool combines state of the art multi-fragment and physical-based rendering techniques and is built based on conclusions drawn from measurements on naturally or artificially aged objects which are comprised of multiple layers. We introduce a method for realistically rendering outer surfaces and inner stratification with the use of transparency in real-time. The method works in three rendering passes using three buffers for storing and manipulating fragments (fragments are parts of the mesh that correspond to one pixel). The algorithms have been tuned to provide better interaction and comprehension of the results by the user. We offer a comparative evaluation of performance and rendering quality with existing techniques.
Institution and School/Department of submitter: Πανεπιστήμιο Ιωαννίνων. Πολυτεχνική Σχολή. Τμήμα Μηχανικών Η/Υ & Πληροφορικής
Subject classification: Rendering (Computer graphics)
Keywords: Σύνθετα υλικά,Απόδοση,Γραφικά υπολογιστών,Rendering,Multifragment,Photorealistic
URI: http://olympias.lib.uoi.gr/jspui/handle/123456789/29029
Appears in Collections:Διατριβές Μεταπτυχιακής Έρευνας (Masters)

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