How to discriminate shapes using shape vector
Pattern Recognition Letters
Time series: theory and methods
Time series: theory and methods
Invariant Image Recognition by Zernike Moments
IEEE Transactions on Pattern Analysis and Machine Intelligence
An Efficiently Computable Metric for Comparing Polygonal Shapes
IEEE Transactions on Pattern Analysis and Machine Intelligence
Fundamentals of speech recognition
Fundamentals of speech recognition
Subspace algorithms for the stochastic identification problem
Automatica (Journal of IFAC)
Digital signal processing (3rd ed.): principles, algorithms, and applications
Digital signal processing (3rd ed.): principles, algorithms, and applications
EigenTracking: Robust Matching and Tracking of Articulated Objects Using a View-Based Representation
International Journal of Computer Vision
The visual analysis of human movement: a survey
Computer Vision and Image Understanding
Shape Matching and Object Recognition Using Shape Contexts
IEEE Transactions on Pattern Analysis and Machine Intelligence
Representation and Self-Similarity of Shapes
IEEE Transactions on Pattern Analysis and Machine Intelligence
International Journal of Computer Vision
The Softassign Procrustes Matching Algorithm
IPMI '97 Proceedings of the 15th International Conference on Information Processing in Medical Imaging
SSPR '98/SPR '98 Proceedings of the Joint IAPR International Workshops on Advances in Pattern Recognition
The Gait Identification Challenge Problem: Data Sets and Baseline Algorithm
ICPR '02 Proceedings of the 16 th International Conference on Pattern Recognition (ICPR'02) Volume 1 - Volume 1
Silhouette-Based Human Identification from Body Shape and Gait
FGR '02 Proceedings of the Fifth IEEE International Conference on Automatic Face and Gesture Recognition
Automatic gait recognition using area-based metrics
Pattern Recognition Letters
Learning Pedestrian Models for Silhouette Refinement
ICCV '03 Proceedings of the Ninth IEEE International Conference on Computer Vision - Volume 2
Performance analysis of time-distance gait parameters under different speeds
AVBPA'03 Proceedings of the 4th international conference on Audio- and video-based biometric person authentication
Gait shape estimation for identification
AVBPA'03 Proceedings of the 4th international conference on Audio- and video-based biometric person authentication
A model for dynamic shape and its applications
CVPR'04 Proceedings of the 2004 IEEE computer society conference on Computer vision and pattern recognition
What image information is important in silhouette-based gait recognition?
CVPR'04 Proceedings of the 2004 IEEE computer society conference on Computer vision and pattern recognition
Modelling the effects of walking speed on appearance-based gait recognition
CVPR'04 Proceedings of the 2004 IEEE computer society conference on Computer vision and pattern recognition
CVPR'04 Proceedings of the 2004 IEEE computer society conference on Computer vision and pattern recognition
Identification of humans using gait
IEEE Transactions on Image Processing
IEEE Transactions on Image Processing
Improved Gait Recognition by Gait Dynamics Normalization
IEEE Transactions on Pattern Analysis and Machine Intelligence
A survey of advances in vision-based human motion capture and analysis
Computer Vision and Image Understanding - Special issue on modeling people: Vision-based understanding of a person's shape, appearance, movement, and behaviour
Towards a measure of deformability of shape sequences
Pattern Recognition Letters
Activity representation using 3D shape models
Journal on Image and Video Processing - Anthropocentric Video Analysis: Tools and Applications
People tracking and segmentation using spatiotemporal shape constraints
VNBA '08 Proceedings of the 1st ACM workshop on Vision networks for behavior analysis
Activity Representation in Crowd
SSPR & SPR '08 Proceedings of the 2008 Joint IAPR International Workshop on Structural, Syntactic, and Statistical Pattern Recognition
Unsupervised view and rate invariant clustering of video sequences
Computer Vision and Image Understanding
Nonlinear Characterisation of Fronto-Normal Gait for Human Recognition
PCM '08 Proceedings of the 9th Pacific Rim Conference on Multimedia: Advances in Multimedia Information Processing
IEEE Transactions on Information Technology in Biomedicine - Special section on computational intelligence in medical systems
Rate-invariant recognition of humans and their activities
IEEE Transactions on Image Processing
Recognition of human activities using SVM multi-class classifier
Pattern Recognition Letters
Group Action Recognition Using Space-Time Interest Points
ISVC '09 Proceedings of the 5th International Symposium on Advances in Visual Computing: Part II
Improved gait recognition by multiple-projections normalization
Machine Vision and Applications
Statistical Methods and Models for Video-Based Tracking, Modeling, and Recognition
Foundations and Trends in Signal Processing
A survey on vision-based human action recognition
Image and Vision Computing
Capturing human activity by a curve
ICIP'09 Proceedings of the 16th IEEE international conference on Image processing
A shape descriptor for real time 3D foot pose estimation
ISCGAV'10 Proceedings of the 10th WSEAS international conference on Signal processing, computational geometry and artificial vision
Tracking and activity recognition through consensus in distributed camera networks
IEEE Transactions on Image Processing - Special section on distributed camera networks: sensing, processing, communication, and implementation
Compressive acquisition of dynamic scenes
ECCV'10 Proceedings of the 11th European conference on Computer vision: Part I
Activity recognition by integrating the physics of motion with a neuromorphic model of perception
WMVC'09 Proceedings of the 2009 international conference on Motion and video computing
Query-based retrieval of complex activities using "strings of motion-words"
WMVC'09 Proceedings of the 2009 international conference on Motion and video computing
Gait recognition based on improved dynamic Bayesian networks
Pattern Recognition
The human action image and its application to motion recognition
Proceedings of the Seventh Indian Conference on Computer Vision, Graphics and Image Processing
Nearest-neighbor search algorithms on non-Euclidean manifolds for computer vision applications
Proceedings of the Seventh Indian Conference on Computer Vision, Graphics and Image Processing
Robust sequence alignment for actor-object interaction recognition: Discovering actor-object states
Computer Vision and Image Understanding
Computer Vision and Image Understanding
Entropy based region selection for moving object detection
Pattern Recognition Letters
Person authentication using 3D human motion
J-HGBU '11 Proceedings of the 2011 joint ACM workshop on Human gesture and behavior understanding
Target tracking and positioning on video sequence from a moving video camera
PSIVT'06 Proceedings of the First Pacific Rim conference on Advances in Image and Video Technology
Human activity modeling as brownian motion on shape manifold
SSVM'11 Proceedings of the Third international conference on Scale Space and Variational Methods in Computer Vision
Image and Vision Computing
Advances in matrix manifolds for computer vision
Image and Vision Computing
Spaces and manifolds of shapes in computer vision: An overview
Image and Vision Computing
Exploring probabilistic localized video representation for human action recognition
Multimedia Tools and Applications
Human activity modeling on shape manifold
EG 3DOR'11 Proceedings of the 4th Eurographics conference on 3D Object Retrieval
Walker recognition without gait cycle estimation
ICB'07 Proceedings of the 2007 international conference on Advances in Biometrics
Reducing the effect of noise on human contour in gait recognition
ICB'07 Proceedings of the 2007 international conference on Advances in Biometrics
Uniprojective features for gait recognition
ICB'07 Proceedings of the 2007 international conference on Advances in Biometrics
Vector field analysis for multi-object behavior modeling
Image and Vision Computing
Human gesture recognition on product manifolds
The Journal of Machine Learning Research
Gait recognition based on shape and motion analysis of silhouette contours
Computer Vision and Image Understanding
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We present an approach for comparing two sequences of deforming shapes using both parametric models and nonparametric methods. In our approach, Kendall's definition of shape is used for feature extraction. Since the shape feature rests on a non-Euclidean manifold, we propose parametric models like the autoregressive model and autoregressive moving average model on the tangent space and demonstrate the ability of these models to capture the nature of shape deformations using experiments on gait-based human recognition. The nonparametric model is based on Dynamic Time-Warping. We suggest a modification of the Dynamic time-warping algorithm to include the nature of the non-Euclidean space in which the shape deformations take place. We also show the efficacy of this algorithm by its application to gait-based human recognition. We exploit the shape deformations of a person's silhouette as a discriminating feature and provide recognition results using the nonparametric model. Our analysis leads to some interesting observations on the role of shape and kinematics in automated gait-based person authentication.