NDLI: Artistic relighting of paintings and drawings

Content Provider	Springer Nature Link
Author	Henz, Bernardo Oliveira, Manuel M.
Copyright Year	2015
Abstract	We present a practical solution to the problem of subject relighting in paintings and drawings. Our interactive technique uses 3-D shading proxies and can be applied to objects with arbitrary geometries. Given a user-provided guess for the shading of an object in a painting/drawing and its corresponding target shading, we refine them using shading-color correlation and a multi-scale scheme. These refined shadings are then used to create a multi-channel shading-ratio image to perform relighting, while taking into account the colors used by the artists to convey shading information. We demonstrate the effectiveness of our solution on a variety of artistic styles, including paintings with strong brush strokes and unconventional shading encodings, drawings, and other types of artwork. Our method is the first to perform relighting of paintings and drawings and, in addition to relighting, can transfer smooth normal and depth maps from 3-D proxies to images.
Starting Page	33
Ending Page	46
Page Count	14
File Format	PDF
ISSN	01782789
Journal	The Visual Computer
Volume Number	33
Issue Number	1
e-ISSN	14322315
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2015-08-25
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Image relighting Painting relighting Drawing relighting Normal and depth map transfer Computer Graphics Computer Science Artificial Intelligence (incl. Robotics) Image Processing and Computer Vision
Content Type	Text
Resource Type	Article
Subject	Computer Graphics and Computer-Aided Design Computer Vision and Pattern Recognition Software

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