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» Stable Estimation of Image Orientation
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AND
2009
13 years 8 months ago
Cohen's class distributions for skew angle estimation in noisy ancient Arabic documents
This paper presents an adaptive method for the skew angle estimation of noisy handwritten Arabic documents using the energy distributions of Cohen’s class. The presence of noise...
Nazih Ouwayed, Abdel Belaïd, François ...
CVPR
2008
IEEE
15 years 1 months ago
Boosting ordinal features for accurate and fast iris recognition
In this paper, we present a novel iris recognition method based on learned ordinal features.Firstly, taking full advantages of the properties of iris textures, a new iris represen...
Zhaofeng He, Zhenan Sun, Tieniu Tan, Xianchao Qiu,...
PAMI
2010
127views more  PAMI 2010»
13 years 9 months ago
The Structure of Multiplicative Motions in Natural Imagery
—A theoretical investigation of the frequency structure of multiplicative image motion signals is presented, e.g., as associated with translucency phenomena. Previous work has cl...
Konstantinos G. Derpanis, Richard P. Wildes
ICPR
2000
IEEE
15 years 2 days ago
Detecting Rotational Symmetries Using Normalized Convolution
Perceptual experiments indicate that corners and curvature are very important features in the process of recognition. This paper presents a new method to detect rotational symmetr...
Björn Johansson, Gösta H. Granlund, Hans...
CLEAR
2006
Springer
176views Biometrics» more  CLEAR 2006»
14 years 2 months ago
Head Pose Detection Based on Fusion of Multiple Viewpoint Information
Abstract. This paper presents a novel approach to the problem of determining head pose estimation and face 3D orientation of several people in low resolution sequences from multipl...
Cristian Canton-Ferrer, Josep R. Casas, Montse Par...