PVLI: potentially visible layered image for real-time ray tracing

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21230%2F23%3A00368600" target="_blank" >RIV/68407700:21230/23:00368600 - isvavai.cz</a>
Result on the web
<a href="https://doi.org/10.1007/s00371-023-03007-5" target="_blank" >https://doi.org/10.1007/s00371-023-03007-5</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1007/s00371-023-03007-5" target="_blank" >10.1007/s00371-023-03007-5</a>

Result language
angličtina
Original language name
PVLI: potentially visible layered image for real-time ray tracing
Original language description
Novel view synthesis is frequently employed in video streaming, temporal upsampling, or virtual reality. We propose a new representation, potentially visible layered image (PVLI), that uses a combination of a potentially visible set of the scene geometry and layered color images. PVLI encodes the depth implicitly and enables cheap run-time reconstruction. Furthermore, PVLI can also be used to reconstruct pixel and layer connectivities, which is crucial for filtering and post-processing of the rendered images. We use PVLIs to achieve local and server-based real-time ray tracing. In the first case, PVLIs are used as a basis for temporal and spatial upsampling of ray-traced illumination. In the second case, PVLIs are compressed, streamed over the network, and then used by a thin client to perform temporal and spatial upsampling and to hide latency. To shade the view, we use path tracing, accounting for effects such as soft shadows, global illumination, and physically based refraction. Our method supports dynamic lighting, and up to a limited extent, it also handles view-dependent surface interactions.
Czech name
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Czech description
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Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10201 - Computer sciences, information science, bioinformathics (hardware development to be 2.2, social aspect to be 5.8)

Project
Result was created during the realization of more than one project. More information in the Projects tab.
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2023
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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