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93
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IROS
2006
IEEE
108views Robotics» more  IROS 2006»
15 years 6 months ago
Sparse appearance based modeling for robot localization
— In appearance based robot localization a new image is matched with every image in the database. In this paper we describe how to reduce the number of images in this database wi...
Olaf Booij, Zoran Zivkovic, Ben J. A. Kröse
73
Voted
ICIP
2003
IEEE
16 years 2 months ago
Colour quantisation through dithering techniques
Most colour image printing and display devices do not have the capacity to deal with true-colours. To display the image anyway, they need to apply a quantisation method to reduce ...
Clemence Alasseur, Anthony G. Constantinides, Lion...
ICIP
2009
IEEE
15 years 9 months ago
Removing Shadows from a Single Real-World Color Image
In this paper, we propose a new algorithm to remove shadow from a single color image. We first project log-log chromaticity coordinates onto an angle of illumination-invariant dire...
Kang Yao, Junyu Dong
106
Voted
CVPR
2010
IEEE
15 years 9 months ago
Estimation of Image Bias Field with Sparsity Constraints
We propose a new scheme to estimate image bias field through introducing two sparsity constraints. One is that the bias-free image has concise representation with image gradients o...
Yuanjie Zheng and James C. Gee
ICDAR
1999
IEEE
15 years 5 months ago
Robust Skew Estimation on Low-Resolution Document Images
In this paper, we present a new technique for estimating an arbitrary skew angle using a simple and efficient text row accumulation based on the statistics of the 1st and 2nd orde...
Oleg Okun, Matti Pietikäinen, Jaakko J. Sauvo...