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ACM Transactions on Graphics 31, 3 (2012)
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Surface Flows for Image-based Shading Design
Romain Vergne 1, Pascal Barla ( ) 2, 3, 4, Roland Fleming 1, Xavier Granier 2, 3, 4
(2012-08-05)

We present a novel method for producing convincing pictures of shaded objects based entirely on 2D image operations. This approach, which we call image-based shading design, offers direct artistic control in the picture plane by deforming image primitives so that they appear to conform to specific 3D shapes. Using a differential analysis of reflected radiance, we identify the two types of surface flows involved in the depiction of shaded objects, which are consistent with recent perceptual studies. We then introduce two novel deformation operators that closely mimic surface flows while providing direct artistic controls in real-time.
1:  Abteilung Allgemeine Psychologie [Giessen]
Justus-Liebig-Universität Giessen
2:  Laboratoire Bordelais de Recherche en Informatique (LaBRI)
CNRS : UMR5800 – Université Sciences et Technologies - Bordeaux I – École Nationale Supérieure d'Électronique, Informatique et Radiocommunications de Bordeaux (ENSEIRB) – Université Victor Segalen - Bordeaux II
3:  Laboratoire Photonique, Numérique et Nanosciences (LP2N)
Institut d'Optique Graduate School (IOGS) – CNRS : UMR5298 – Université Sciences et Technologies - Bordeaux I
4:  MANAO (INRIA Bordeaux - Sud-Ouest)
INRIA
lp2n-05
Computer Science/Computer Graphics and Virtual Reality
Shading – differential analysis – image deformation
Attached file list to this document: 
PDF
paper.pdf(26.8 MB)
ANNEX
supmat.pdf(44 MB)
IMG
anchor01.jpg(218.6 KB)
anchor02.jpg(226.4 KB)
anchor03.jpg(230.7 KB)
brush-shading01.jpg(109.8 KB)
brush-shading02.jpg(115.3 KB)
brush-shading03.jpg(111.2 KB)
brush-texture01.jpg(123.9 KB)
brush-texture02.jpg(134.7 KB)
brush-texture03.jpg(161.6 KB)
car-shadows-tm.jpg(709.1 KB)
clipart01.jpg(77 KB)
clipart02.jpg(82.8 KB)
clipart03.jpg(71.2 KB)
comp01-nonlinear-anchor1.jpg(179.9 KB)
comp02-nonlinear-anchor2.jpg(179.7 KB)
comp03-linear-anchor1.jpg(195 KB)
comp04-linear-anchor2.jpg(194.1 KB)
failure04-correct.jpg(102.2 KB)
failure05-correct.jpg(101.5 KB)
failure06-incorrect.jpg(102.5 KB)
fig01-alpha0-beta0-gamma0-new.jpg(78.7 KB)
fig02-alpha0-beta0-gamma1-new.jpg(87.8 KB)
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fig05-alpha-0dot8-beta0-gamma0-new.jpg(95.3 KB)
fig06-alpha-0dot8-beta1dot5-gamma0-new.jpg(89.2 KB)
fig-comp-real01-mirror-our.jpg(214.1 KB)
fig-comp-real01-mirror-pbrt.jpg(210.2 KB)
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fig-comp-real03-transparent-our.jpg(205.2 KB)
fig-comp-real03-transparent-pbrt.jpg(200.9 KB)
fig-depth.jpg(36.6 KB)
fig-lumo.jpg(605.5 KB)
fig-normals.jpg(110.6 KB)
fig-teaser01-mix-cropped.jpg(554.5 KB)
fig-teaser02-mix-saturated-tm.jpg(919.8 KB)
fig-teaser03-mix-tm.jpg(438.6 KB)
fig-teaser04-mix-cropped-saturated-tm.jpg(726.8 KB)
grad01.jpg(109.1 KB)
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ibme.jpg(524.1 KB)
material-plastic01.jpg(193.7 KB)
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material-transparent0.jpg(374.6 KB)
material-velvet03.jpg(87.5 KB)
material-velvet06.jpg(79.6 KB)
material-velvet09.jpg(94.4 KB)
rgbn.jpg(1.9 MB)
shading-3d-rendering.jpg(268.8 KB)
shading-3d-structure-tensor-sharp.jpg(297.3 KB)
shading-lfs-rendering.jpg(259.1 KB)
shading-lfs-structure-tensor-sharp.jpg(295.9 KB)
teaser07-shadows-mix-tm.jpg(551.2 KB)
texture01.jpg(307 KB)
texture02.jpg(311.2 KB)
texture-3d-rendering.jpg(317.7 KB)
texture-3d-structure-tensor-sharp.jpg(298 KB)
texture-lfs-rendering.jpg(344.7 KB)
texture-lfs-structure-tensor-sharp.jpg(295.4 KB)
translucency-tm.jpg(615 KB)
VIDEO
c99-f99_2-a563-suppvideo-v1.flv(36.9 MB)