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ICPR
2008
IEEE
15 years 22 days 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
15 years 22 days 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
15 years 22 days 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
15 years 22 days 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
15 years 22 days 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
ICPR
2008
IEEE
15 years 22 days ago
Local Regularized Least-Square Dimensionality Reduction
In this paper, we propose a new nonlinear dimensionality reduction algorithm by adopting regularized least-square criterion on local areas of the data distribution. We first propo...
Changshui Zhang, Yangqing Jia
ICPR
2008
IEEE
15 years 22 days ago
Motion capture data retrieval using an artist's doll
In this paper, we present a keyframe-based human motion capture data retrieval system which uses a wooden doll as the input device. A user inputs a keyframe by posing an artist�...
Bolan Jiang, James Davis, Prabath Gunawardane, Tie...
ICPR
2008
IEEE
15 years 22 days ago
Trajectories normalization for viewpoint invariant gait recognition
This paper proposes a method to obtain frontoparallel (side-view) body part trajectories for a walk observed from an arbitrary view. The method is based on homography transformati...
Alexandra Branzan Albu, Frédéric Jea...
ICPR
2008
IEEE
15 years 22 days ago
Real-time abnormal motion detection in surveillance video
Video surveillance systems produce huge amounts of data for storage and display. Long-term human monitoring of the acquired video is impractical and ineffective. Automatic abnorma...
Nahum Kiryati, Shay Rochel, Tammy Riklin-Raviv, Ya...
ICPR
2008
IEEE
15 years 22 days ago
On segmentation evaluation metrics and region counts
Five image segmentation algorithms are evaluated: mean shift, normalised cuts, efficient graph-based segmentation, hierarchical watershed, and waterfall. The evaluation is done us...
Allan Hanbury, Julian Stöttinger