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ICPR
2008
IEEE
14 years 10 months ago
Distance transformation, reverse distance transformation and discrete medial axis on toric spaces
In this paper, we present optimal in time algorithms to compute the distance transform, the reverse distance transform and the discrete medial axis on digital objects embedded on ...
David Coeurjolly
ICPR
2008
IEEE
14 years 10 months ago
Visual planes-based simultaneous localization and model refinement for augmented reality
This paper presents a method for camera pose tracking that uses a partial knowledge about the scene. The method is based on monocular vision Simultaneous Localization And Mapping ...
Éric Marchand, Fabien Servant, Isabelle Mar...
ICPR
2008
IEEE
14 years 10 months ago
Scale-invariant medial features based on gradient vector flow fields
We propose a novel set of medial feature interest points based on gradient vector flow (GVF) fields [18]. We exploit the long ranging GVF fields for symmetry estimation by calcula...
Cristóbal Curio, David Engel
ICPR
2008
IEEE
14 years 10 months ago
Compact algorithm for strictly ML ellipse fitting
Kenichi Kanatani, Yasuyuki Sugaya
ICPR
2008
IEEE
14 years 10 months ago
Refining PTZ camera calibration
Due to the increased need for security and surveillance, PTZ cameras are now being widely used in many domains. Therefore, it is very important for the applications like video mos...
Hassan Foroosh, Imran N. Junejo
ICPR
2008
IEEE
14 years 10 months ago
A method of feature selection using contribution ratio based on boosting
AdaBoost and support vector machines (SVM) algorithms are commonly used in the field of object recognition. As classifiers, their classification performance is sensitive to affect...
Masamitsu Tsuchiya, Hironobu Fujiyoshi
ICPR
2008
IEEE
14 years 10 months ago
Detecting global motion patterns in complex videos
Learning dominant motion patterns or activities from a video is an important surveillance problem, especially in crowded environments like markets, subways etc., where tracking of...
Min Hu, Mubarak Shah, Saad Ali
ICPR
2008
IEEE
14 years 10 months ago
A novel approach for the recognition of a wide Arabic handwritten word lexicon
This paper introduces a novel approach for the recognition of a wide vocabulary of Arabic handwritten words. Note that there is an essential difference between the global and anal...
Abdel Belaïd, Afef Kacem, Imen Ben Cheikh
ICPR
2008
IEEE
14 years 10 months ago
Semantic grouping of visual features
Many current object class models build on visual parts that constitute an object. However, visually different entities may actually refer to the same object part. This may be harm...
Alexandra Teynor, Hans Burkhardt
ICPR
2008
IEEE
14 years 10 months ago
3D human posture estimation using the HOG features from monocular image
In this paper, we propose a method to estimate the 3D human posture from monocular image without using the markers. A 3D human body is expressed by a multi-joint model, and a set ...
Katsunori Onishi, Tetsuya Takiguchi, Yasuo Ariki