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From Dusk till Dawn:Modeling in the Dark
Filip Radenović Johannes L. Schönberger Dinghuang JiJan-Michael Frahm Ondřej Chum Jiří Matas
CVPR 2016
Modeling in the Dark
Modeling in the Dark
We cannot do this, BUT…
Separate Day & Night Dense Reconstructions
Standard DenseDay & Night Images
Separate Day & Night Dense Reconstructions
Standard DenseDay & Night Images
Artifacts
Separate Day & Night Dense Reconstructions
Standard Dense
Day Dense
Night Dense
Day & Night Images
Artifacts
Clean
Clean
Separate Day & Night Dense Reconstructions
Standard Dense Day Dense Night Dense
Separate Day & Night Dense Reconstructions
Standard Dense Day Dense Night Dense
Artifacts
Separate Day & Night Dense Reconstructions
Standard Dense Day Dense Night Dense
Artifacts
Separate Day & Night Dense Reconstructions
Standard Dense Day Dense Night Dense
Artifacts
Day & Night Dense Models
Day ModelNight Model
Day & Night Dense Models
Day ModelNight Model
Fused Geometry
Geometric Fusion
Recoloring
Fused Geometry Night Illumination
Image Dataset
Clustering into Day & Night
Image Dataset
SfM Clustering
Sparse Model
Clustering into Day & Night
Image Dataset
SfM Clustering
Day/Night ImagesScene GraphSparse Model
Clustering into Day & Night
Clustering into Day & Night
Image Dataset
SfM Clustering
Day/Night ImagesScene GraphSparse Model
• Images and 3D points in sparse scene graph
Clustering into Day & Night
Image Dataset
SfM Clustering
Day/Night ImagesScene GraphSparse Model
• Images and 3D points in sparse scene graph
• Color histogram of images
Clustering into Day & Night
day day night night
Image Dataset
SfM Clustering
Day/Night ImagesScene GraphSparse Model
• Images and 3D points in sparse scene graph
• Color histogram of images
• Graph-cut
day day night night
Separate Dense Reconstruction of Day & Night
Day/Night Clusters
Day
Night
Dense Model
Image Dataset
SfM Clustering
Day/Night ImagesScene GraphSparse Model
• Images and 3D points in sparse scene graph
• Color histogram of images
• Graph-cut
Day ModelNight Model
Geometric Fusion & RecoloringDay/Night Clusters
Day
Night
Dense Model
Image Dataset
SfM Clustering
Day/Night ImagesScene GraphSparse Model
Geometric Fusion & Recoloring
• Merge point clouds
Day/Night Clusters
Day
Night
Dense Model
Image Dataset
SfM Clustering
Day/Night ImagesScene GraphSparse Model
Fused Geometry Night Illumination
Geometric Fusion & Recoloring
• Merge point clouds
Day/Night Clusters
Day
Night
Dense Model
Image Dataset
SfM Clustering
Day/Night ImagesScene GraphSparse Model
• Automatic reconstruction of day & night images
Contributions
• Automatic reconstruction of day & night images
• Geometric fusion of day & night dense models
Contributions
• Automatic reconstruction of day & night images
• Geometric fusion of day & night dense models
• Color transfer to recolor unreconstructed areas
Contributions
ResultsDay Image Day Model Night Model Fused Night Model Night Image
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