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» Dequantizing image orientation
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DAS
2004
Springer
15 years 9 months ago
Word Grouping in Document Images Based on Voronoi Tessellation
Voronoi tessellation of image elements provides an intuitive and appealing definition of proximity, which has been suggested as an effective tool for the description of relations...
Yue Lu, Zhe Wang, Chew Lim Tan
TCSV
2002
292views more  TCSV 2002»
15 years 3 months ago
Document image segmentation using wavelet scale-space features
In this paper, an efficient and computationally fast method for segmenting text and graphics part of document images based on textural cues is presented. We assume that the graphic...
Mausumi Acharyya, Malay K. Kundu
CVPR
2003
IEEE
16 years 6 months ago
Constraint on Five Points in Two Images
It is well-known that epipolar geometry relating two uncalibrated images is determined by at least seven correspondences. If there are more than seven of them, their positions can...
Tomás Werner
144
Voted
IJCNN
2008
IEEE
15 years 10 months ago
Unsupervised learning of dependencies between local luminance and contrast in natural images
Abstract— Separate processing of local luminance and contrast in biological visual systems has been argued to be due to the independence of these two properties in natural image ...
Jussi T. Lindgren, Jarmo Hurri, Aapo Hyvärine...
CVPR
2005
IEEE
16 years 6 months ago
Camera Calibration and Light Source Estimation from Images with Shadows
In this paper, we describe how camera parameters and light source orientation can be recovered from two perspective views of a scene given only two vertical lines and their cast s...
Xiaochun Cao, Mubarak Shah