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Computer graphics applications usually treat appearance in different ways, depending on whether they start from scratch, from 3D scenes or from videos. I argue that a common model of appearance would better serve such applications: it would greatly help the creation of complex appearance patterns in drawing applications; it would permit to connect physical descriptions to appearance percepts in rendering; and it would give a rich basis for image analysis at the compositing stage. Such a model should describe appearance in a perceptually plausible manner, directly identifying invariants across different lighting or motion conditions. This requires to draw connections with Human Vision; but there is also potentially room for graphics to inspire new perceptual investigations.
- A Vectorial Solver for Free-form Vector Gradient Simon Boyé, Pascal Barla, Gael Guennebaud. Transaction on Graphics, ACM, 2012, Proceedings of Siggraph Asia 2012.
- Surface Flows for Image-Based Shading Design, Romain Vergne, Pascal Barla, Xavier Granier, Roland Fleming, ACM Transactions on Graphics (Proceedings of Siggraph 2012).
- Light Warping for Enhanced Surface Depiction, Romain Vergne, Romain Pacanowski, Pascal Barla, Xavier Granier, Christophe Schlick, ACM Transaction on Graphics (Proceedings of SIGGRAPH 2009), Volume 28, Number 3 – Aug 2009