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Comparison of Depth Buffer Techniques for Large and Detailed 3D Scenes

Gilg, Jonas and Zander, Sebastian and Schneegans, Simon and Ahlers, Volker and Gerndt, Andreas (2021) Comparison of Depth Buffer Techniques for Large and Detailed 3D Scenes. In: 2021 GI VR/AR. GI VR/AR 2021, 09-10 Sep 2021, Virtual.

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Official URL: https://dl.gi.de/handle/20.500.12116/38679


Large scale 3D scenes in applications like space simulations are often subject to depth buffer related issues and visual artefacts like Z-fighting and spatial jittering. These issues are primarily a result of indistinguishable depth buffer values. To mitigate these issues, many techniques have been developed over time to better distribute depth values over the clipping range. These techniques range from simple adjustments of the projection matrix to complex solutions like multistage rendering with layered depth buffers. This work presents, compares and evaluates commonly used approaches found in iterature and real world applications. An experiment is set up to compare the presented depth buffer techniques using the metric of minimum triangle separation (MTS). The gathered results are presented and evaluated, to give a good overview on which techniques are well suited for the use in applications with large scale 3D scenes.

Item URL in elib:https://elib.dlr.de/187280/
Document Type:Conference or Workshop Item (Speech)
Additional Information:https://dl.gi.de/handle/20.500.12116/38679
Title:Comparison of Depth Buffer Techniques for Large and Detailed 3D Scenes
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Gilg, JonasGerman Aerospace Center (DLR), Germanyhttps://orcid.org/0000-0001-9130-0778
Zander, SebastianUniversity of Applied Sciences and Arts, HannoverUNSPECIFIED
Schneegans, SimonGerman Aerospace Center (DLR), Germanyhttps://orcid.org/0000-0003-1847-4135
Ahlers, VolkerUniversity of Applied Sciences and Arts, Hannoverhttps://orcid.org/0000-0003-2307-6553
Gerndt, AndreasUniversity of Bremen, German Aerospace Center (DLR), Germanyhttps://orcid.org/0000-0002-0409-8573
Date:9 September 2021
Journal or Publication Title:2021 GI VR/AR
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In ISI Web of Science:No
Keywords:depth buffer, depth mapping, projection matrices, Z-fighting, spatial jittering
Event Title:GI VR/AR 2021
Event Location:Virtual
Event Type:Workshop
Event Dates:09-10 Sep 2021
Organizer:Gesellschaft für Informatik und Hochschule Bonn-Rhein-Sieg
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Space System Technology
DLR - Research area:Raumfahrt
DLR - Program:R SY - Space System Technology
DLR - Research theme (Project):R - Tasks SISTEC
Location: Braunschweig
Institutes and Institutions:Institute for Software Technology > Software for Space Systems and Interactive Visualisation
Institute for Software Technology
Deposited By: Gilg, Jonas
Deposited On:22 Jul 2022 07:15
Last Modified:29 Sep 2022 11:39

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