Scene reassembly after multimodal digitization and
pipeline evaluation using photorealistic rendering
Posted on 2017-09-19 - 12:16
Transparent objects require acquisition modalities that are very different from the ones used for objects
with more diffuse reflectance properties. Digitizing a scene where objects must be acquired with different
modalities, requires scene reassembly after reconstruction of the object surfaces. This reassembly of
a scene that was picked apart for scanning seems unexplored. We contribute with a multimodal digitization
pipeline for scenes that require this step of reassembly. Our pipeline includes measurement of
bidirectional reflectance distribution functions (BRDFs) and high dynamic range (HDR) imaging of the
lighting environment. This enables pixelwise comparison of photographs of the real scene with renderings
of the digital version of the scene. Such quantitative evaluation is useful for verifying acquired
material appearance and reconstructed surface geometry, which is an important aspect of digital content
creation. It is also useful for identifying and improving issues in the different steps of the pipeline. In
this work, we use it to improve reconstruction, apply analysis by synthesis to estimate optical properties,
and to develop our method for scene reassembly.
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Stets, Jonathan; Dal Corso, Alessandro; Nielsen, Jannik; Lyngby, Rasmus; Jensen, Sebastian; Wilm, Jakob; et al. (2017). Scene reassembly after multimodal digitization and
pipeline evaluation using photorealistic rendering. Optica Publishing Group. Collection. https://doi.org/10.6084/m9.figshare.c.3854413.v1
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AUTHORS (10)
JS
Jonathan Stets
AD
Alessandro Dal Corso
JN
Jannik Nielsen
RL
Rasmus Lyngby
SJ
Sebastian Jensen
JW
Jakob Wilm
MD
Mads Doest
CG
Carsten Gundlach
EE
Eythor Runar Eiriksson
KC
Knut Conradsen