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CVPR
2008
IEEE
16 years 6 hour ago
Closing the loop in scene interpretation
Image understanding involves analyzing many different aspects of the scene. In this paper, we are concerned with how these tasks can be combined in a way that improves the perform...
Derek Hoiem, Alexei A. Efros, Martial Hebert
ICCV
2007
IEEE
15 years 12 months ago
Using Color Compatibility for Assessing Image Realism
Why does placing an object from one photograph into another often make the colors of that object suddenly look wrong? One possibility is that humans prefer distributions of colors...
Alexei A. Efros, Jean-François Lalonde
ICCV
2007
IEEE
15 years 12 months ago
Uninitialized, Globally Optimal, Graph-Based Rectilinear Shape Segmentation The Opposing Metrics Method
We present a new approach for the incorporation of shape information into a segmentation algorithm. Unlike previous approaches to the problem, our method requires no initializatio...
Ali Kemal Sinop, Leo Grady
ICCV
2005
IEEE
15 years 12 months ago
Can Two Specular Pixels Calibrate Photometric Stereo?
Lambertian photometric stereo with unknown light source parameters is ambiguous. Provided that the object imaged constitutes a surface, the ambiguity is represented by the group o...
Ondrej Drbohlav, Mike J. Chantler
ICCV
2005
IEEE
15 years 12 months ago
A Hierarchical Field Framework for Unified Context-Based Classification
We present a two-layer hierarchical formulation to exploit different levels of contextual information in images for robust classification. Each layer is modeled as a conditional f...
Sanjiv Kumar, Martial Hebert