Lights from highlights and shadows
I3D '92 Proceedings of the 1992 symposium on Interactive 3D graphics
SIGGRAPH '93 Proceedings of the 20th annual conference on Computer graphics and interactive techniques
A limited memory algorithm for bound constrained optimization
SIAM Journal on Scientific Computing
A non-photorealistic lighting model for automatic technical illustration
Proceedings of the 25th annual conference on Computer graphics and interactive techniques
Toward a psychophysically-based light reflection model for image synthesis
Proceedings of the 27th annual conference on Computer graphics and interactive techniques
A microfacet-based BRDF generator
Proceedings of the 27th annual conference on Computer graphics and interactive techniques
I3D '01 Proceedings of the 2001 symposium on Interactive 3D graphics
A practical model for subsurface light transport
Proceedings of the 28th annual conference on Computer graphics and interactive techniques
A practical model for subsurface light transport
Proceedings of the 28th annual conference on Computer graphics and interactive techniques
Proceedings of the 29th annual conference on Computer graphics and interactive techniques
A user interface for interactive cinematic shadow design
Proceedings of the 29th annual conference on Computer graphics and interactive techniques
Maximum entropy light source placement
Proceedings of the conference on Visualization '02
All-frequency shadows using non-linear wavelet lighting approximation
ACM SIGGRAPH 2003 Papers
Machine Vision and Applications - Special issue: Human modeling, analysis, and synthesis
Perceiving translucent materials
APGV '04 Proceedings of the 1st Symposium on Applied perception in graphics and visualization
A signal-processing framework for reflection
ACM Transactions on Graphics (TOG)
IEEE Transactions on Visualization and Computer Graphics
ACM SIGGRAPH 2006 Papers
Real-time BRDF editing in complex lighting
ACM SIGGRAPH 2006 Papers
Exaggerated shading for depicting shape and detail
ACM SIGGRAPH 2006 Papers
ACM Transactions on Graphics (TOG)
Illumination Brush: Interactive Design of All-Frequency Lighting
PG '07 Proceedings of the 15th Pacific Conference on Computer Graphics and Applications
Light warping for enhanced surface depiction
ACM SIGGRAPH 2009 papers
Toward evaluating lighting design interface paradigms for novice users
ACM SIGGRAPH 2009 papers
envyLight: an interface for editing natural illumination
ACM SIGGRAPH 2010 papers
Physically Based Rendering, Second Edition: From Theory To Implementation
Physically Based Rendering, Second Edition: From Theory To Implementation
Depicting stylized materials with vector shade trees
ACM Transactions on Graphics (TOG) - SIGGRAPH 2013 Conference Proceedings
User-assisted image compositing for photographic lighting
ACM Transactions on Graphics (TOG) - SIGGRAPH 2013 Conference Proceedings
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We present an automated system for optimizing and synthesizing environment maps that enhance the appearance of materials in a scene. We first identify a set of lighting design principles for material depiction. Each principle specifies the distinctive visual features of a material and describes how environment maps can emphasize those features. We express these principles as linear or quadratic image quality metrics, and present a general optimization framework to solve for the environment map that maximizes these metrics. We accelerate metric evaluation using an approach dual to precomputed radiance transfer (PRT). In contrast to standard PRT that integrates light transport over the lighting domain to generate an image, we pre-integrate light transport over the image domain to optimize for lighting. Finally we present two techniques for transforming existing photographic environment maps to better emphasize materials. We demonstrate the effectiveness of our approach by generating environment maps that enhance the depiction of a variety of materials including glass, metal, plastic, marble and velvet.