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|Title:||A survey of Image-based Relighting techniques|
|Publisher:||INSTICC-INST SYST TECHNOLOGIES INFORMATION CONTROL & COMMUNICATION|
|Citation:||GRAPP 2006: Proceedings of the First International Conference on Computer Graphics Theory and Applications,176-183|
|Abstract:||Image-based Relighting (IBRL) has recently attracted a lot of research interest for its ability to relight real objects or scenes, from novel illuminations captured in natural/synthetic environments. Complex lighting effects such as subsurface scattering, interreflection, shadowing, mesostructural self-occlusion, refraction and other relevant phenomena can be generated using IBRL. The main advantage of Image-based graphics is that the rendering time is independent of scene complexity as the rendering is actually a process of manipulating image pixels, instead of simulating light transport. The goal of this paper is to provide a complete and systematic overview of the research in Image-based Relighting. We observe that essentially all IBRL techniques can be broadly classified into three categories, based on how the scene/illumination information is captured: Reflectance function based, Basis function based, and Plenoptic function based. We discuss the characteristics of each of these categories and their representative methods. We also discuss about sampling density and types of light source, relevant issues of IBRL.|
|Appears in Collections:||Proceedings papers|
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