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ICIP
2009
IEEE
15 years 1 months ago
Locality preserving constraints for super-resolution with neighbor embedding
In this paper, we revisit the manifold assumption which has been widely adopted in the learning-based image superresolution. The assumption states that point-pairs from the high-r...
Bo Li, Hong Chang, Shiguang Shan, Xilin Chen
ACCV
2010
Springer
14 years 10 months ago
Optimizing Visual Vocabularies Using Soft Assignment Entropies
The state of the art for large database object retrieval in images is based on quantizing descriptors of interest points into visual words. High similarity between matching image r...
Yubin Kuang, Kalle Åström, Lars Kopp, M...
160
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PAMI
2011
14 years 10 months ago
Overcoming Shadows in 3-Source Photometric Stereo
—Light occlusions are one of the most significant difficulties of photometric stereo methods. When three or more images are available without occlusion, the local surface orien...
Carlos Hernández, George Vogiatzis, Roberto...
3DIM
2011
IEEE
14 years 3 months ago
Stereo Reconstruction of Building Interiors with a Vertical Structure Prior
—Image-based computation of a 3D map for an indoor environment is a very challenging task, but also a useful step for vision-based navigation and path planning for autonomous sys...
Bernhard Zeisl, Christopher Zach, Marc Pollefeys
CVPR
2005
IEEE
16 years 5 months ago
Reflections on the Generalized Bas-Relief Ambiguity
Prior work has argued that when a Lambertian surface in fixed pose is observed in multiple images under varying distant illumination, there is an equivalence class of surfaces giv...
Manmohan Krishna Chandraker, Fredrik Kahl, David J...