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SIAMIS
2011
12 years 10 months ago
On the Illumination Invariance of the Level Lines under Directed Light: Application to Change Detection
We analyze the illumination invariance of the level lines of an image. We show that if the scene surface has Lambertian reflectance and the light is directed, then a necessary and...
Pierre Weiss, Alexandre Fournier, Laure Blanc-F&ea...
SBIA
2000
Springer
13 years 11 months ago
Linguistic Relations Encoding in a Symbolic-Connectionist Hybrid Natural Language Processor
In recent years, the Natural Language Processing scene has witnessed the steady growth of interest in connectionist modeling. The main appeal of such an approach is that one does n...
João Luís Garcia Rosa, Edson Fran&cc...
GRAPHICSINTERFACE
2000
13 years 9 months ago
Multiscale Shaders for the Efficient Realistic Rendering of Pine-Trees
The frame of our work is the efficient realistic rendering of scenes containing a huge amount of data for which an a priori knowledge is available. In this paper, we present a new...
Alexandre Meyer, Fabrice Neyret
AI
2008
Springer
13 years 7 months ago
Properties of tree convex constraints
It is known that a tree convex network is globally consistent if it is path consistent. However, if a tree convex network is not path consistent, enforcing path consistency on it ...
Yuanlin Zhang, Eugene C. Freuder
CAIP
2009
Springer
257views Image Analysis» more  CAIP 2009»
13 years 5 months ago
On the Recovery of Depth from a Single Defocused Image
Abstract. In this paper we address the challenging problem of recovering the depth of a scene from a single image using defocus cue. To achieve this, we first present a novel appro...
Shaojie Zhuo, Terence Sim