Lights from highlights and shadows
I3D '92 Proceedings of the 1992 symposium on Interactive 3D graphics
Radioptimization: goal based rendering
SIGGRAPH '93 Proceedings of the 20th annual conference on Computer graphics and interactive techniques
Lighting controls for computer cinematography
Journal of Graphics Tools
A user interface for interactive cinematic shadow design
Proceedings of the 29th annual conference on Computer graphics and interactive techniques
ECCV '02 Proceedings of the 7th European Conference on Computer Vision-Part IV
Sketching Shadows and Highlights to Position Lights
CGI '97 Proceedings of the 1997 Conference on Computer Graphics International
All-frequency shadows using non-linear wavelet lighting approximation
ACM SIGGRAPH 2003 Papers
Shadow matting and compositing
ACM SIGGRAPH 2003 Papers
An approximate global illumination system for computer generated films
ACM SIGGRAPH 2004 Papers
Triple product wavelet integrals for all-frequency relighting
ACM SIGGRAPH 2004 Papers
A quadrilateral rendering primitive
Proceedings of the ACM SIGGRAPH/EUROGRAPHICS conference on Graphics hardware
BRDF-Shop: Creating Physically Correct Bidirectional Reflectance Distribution Functions
IEEE Computer Graphics and Applications
All-frequency relighting of glossy objects
ACM Transactions on Graphics (TOG)
Real-time BRDF editing in complex lighting
ACM SIGGRAPH 2006 Papers
Generalized wavelet product integral for rendering dynamic glossy objects
ACM SIGGRAPH 2006 Papers
Direct-to-indirect transfer for cinematic relighting
ACM SIGGRAPH 2006 Papers
ACM Transactions on Graphics (TOG)
Proceedings of the 5th international symposium on Non-photorealistic animation and rendering
The lightspeed automatic interactive lighting preview system
ACM SIGGRAPH 2007 papers
Interactive relighting with dynamic BRDFs
ACM SIGGRAPH 2007 papers
Real-time shading with filtered importance sampling
ACM SIGGRAPH 2007 sketches
Image-Based Proxy Accumulation for Real-Time Soft Global Illumination
PG '07 Proceedings of the 15th Pacific Conference on Computer Graphics and Applications
Illumination Brush: Interactive Design of All-Frequency Lighting
PG '07 Proceedings of the 15th Pacific Conference on Computer Graphics and Applications
A precomputed polynomial representation for interactive BRDF editing with global illumination
ACM Transactions on Graphics (TOG)
Interactive relighting of dynamic refractive objects
ACM SIGGRAPH 2008 papers
Affine double- and triple-product wavelet integrals for rendering
ACM Transactions on Graphics (TOG)
SubEdit: a representation for editing measured heterogeneous subsurface scattering
ACM SIGGRAPH 2009 papers
Interactive reflection editing
ACM SIGGRAPH Asia 2009 papers
A programmable system for artistic volumetric lighting
ACM SIGGRAPH 2011 papers
Volume stylizer: tomography-based volume painting
Proceedings of the ACM SIGGRAPH Symposium on Interactive 3D Graphics and Games
Path-space manipulation of physically-based light transport
ACM Transactions on Graphics (TOG) - SIGGRAPH 2013 Conference Proceedings
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We present an approach for editing shadows in all-frequency lighting environments. To support artistic control, we propose to decouple shadowing from lighting and focus on providing intuitive controls to edit the former. To accomplish this task, we precompute and store scene visibility information separately from lighting and BRDFs and allow artists to edit visibility directly, by providing operations to select shadows and edit their shape. To facilitate a wider range of editing operations, we generalize visibility from binary to three-channel floating point quantities and introduce a novel shadow representation based on computation of visibility ratios between the original render and the edited one. We demonstrate our results for diffuse and glossy surfaces, still scenes and animations.