Detection of stable contacts for human motion analysis
Proceedings of the 4th ACM international workshop on Video surveillance and sensor networks
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
Matching actions in presence of camera motion
Computer Vision and Image Understanding - Special issue on modeling people: Vision-based understanding of a person's shape, appearance, movement, and behaviour
Free viewpoint action recognition using motion history volumes
Computer Vision and Image Understanding - Special issue on modeling people: Vision-based understanding of a person's shape, appearance, movement, and behaviour
A 3-dimensional sift descriptor and its application to action recognition
Proceedings of the 15th international conference on Multimedia
IEEE Transactions on Pattern Analysis and Machine Intelligence
IEEE Transactions on Pattern Analysis and Machine Intelligence
A differential geometric approach to representing the human actions
Computer Vision and Image Understanding
Human Action Recognition Using a Modified Convolutional Neural Network
ISNN '07 Proceedings of the 4th international symposium on Neural Networks: Part II--Advances in Neural Networks
State-of-the-art on spatio-temporal information-based video retrieval
Pattern Recognition
Covered body analysis in application to patient monitoring
CSTST '08 Proceedings of the 5th international conference on Soft computing as transdisciplinary science and technology
View-invariant action recognition using interest points
MIR '08 Proceedings of the 1st ACM international conference on Multimedia information retrieval
VNBA '08 Proceedings of the 1st ACM workshop on Vision networks for behavior analysis
Using decision trees to recognize visual events
AREA '08 Proceedings of the 1st ACM workshop on Analysis and retrieval of events/actions and workflows in video streams
Analysis of Human Actions for Video Indexing
PCM '08 Proceedings of the 9th Pacific Rim Conference on Multimedia: Advances in Multimedia Information Processing
Motion Primitives and Probabilistic Edit Distance for Action Recognition
Gesture-Based Human-Computer Interaction and Simulation
View Invariant Human Action Recognition Based on Factorization and HMMs
IEICE - Transactions on Information and Systems
International Journal of Computer Vision
Action categorization with modified hidden conditional random field
Pattern Recognition
IEEE Transactions on Circuits and Systems for Video Technology
Recognition of human activities using SVM multi-class classifier
Pattern Recognition Letters
On the Apparent Transparency of a Motion Blurred Object
International Journal of Computer Vision
View-Invariant Human Action Recognition Using Exemplar-Based Hidden Markov Models
ICIRA '09 Proceedings of the 2nd International Conference on Intelligent Robotics and Applications
A multidimensional approach to detect action scene in video data
ACST '08 Proceedings of the Fourth IASTED International Conference on Advances in Computer Science and Technology
Research on bank intelligent video image processing and monitoring control system based on OpenCV
ASID'09 Proceedings of the 3rd international conference on Anti-Counterfeiting, security, and identification in communication
Human behavior analysis based on a new motion descriptor
IEEE Transactions on Circuits and Systems for Video Technology
Human action recognition using boosted EigenActions
Image and Vision Computing
View-independent human action recognition with Volume Motion Template on single stereo camera
Pattern Recognition Letters
Volumetric Features for Video Event Detection
International Journal of Computer Vision
Action recognition for surveillance applications using optic flow and SVM
ACCV'07 Proceedings of the 8th Asian conference on Computer vision - Volume Part II
Proceedings of the ACM International Conference on Image and Video Retrieval
Dynamic textures for human movement recognition
Proceedings of the ACM International Conference on Image and Video Retrieval
Advances in view-invariant human motion analysis: a review
IEEE Transactions on Systems, Man, and Cybernetics, Part C: Applications and Reviews
Visual event recognition using decision trees
Multimedia Tools and Applications
Human action recognition using ordinal measure of accumulated motion
EURASIP Journal on Advances in Signal Processing - Special issue on video analysis for human behavior understanding
Action and gait recognition from recovered 3-D human joints
IEEE Transactions on Systems, Man, and Cybernetics, Part B: Cybernetics - Special issue on gait analysis
View-invariant gesture recognition using 3D optical flow and harmonic motion context
Computer Vision and Image Understanding
Human activity analysis: A review
ACM Computing Surveys (CSUR)
Novel kernel-based recognizers of human actions
EURASIP Journal on Advances in Signal Processing - Special issue on video analysis for human behavior understanding
A survey of vision-based methods for action representation, segmentation and recognition
Computer Vision and Image Understanding
A new pose-based representation for recognizing actions from multiple cameras
Computer Vision and Image Understanding
Hierarchical visual event pattern mining and its applications
Data Mining and Knowledge Discovery
Boosted multi-class semi-supervised learning for human action recognition
Pattern Recognition
Semantic classification of human behaviors in video surveillance systems
WSEAS Transactions on Computers
Recognition and segmentation of 3-d human action using HMM and multi-class adaboost
ECCV'06 Proceedings of the 9th European conference on Computer Vision - Volume Part IV
AMDO'06 Proceedings of the 4th international conference on Articulated Motion and Deformable Objects
Action recognition using motion primitives and probabilistic edit distance
AMDO'06 Proceedings of the 4th international conference on Articulated Motion and Deformable Objects
Multi-view human movement recognition based on fuzzy distances and linear discriminant analysis
Computer Vision and Image Understanding
Learning semantic features for action recognition via diffusion maps
Computer Vision and Image Understanding
Human action recognition using non-separable oriented 3D dual-tree complex wavelets
ACCV'09 Proceedings of the 9th Asian conference on Computer Vision - Volume Part III
Dynamic events as mixtures of spatial and temporal features
ICVGIP'06 Proceedings of the 5th Indian conference on Computer Vision, Graphics and Image Processing
Discriminative actions for recognising events
ICVGIP'06 Proceedings of the 5th Indian conference on Computer Vision, Graphics and Image Processing
A Self-Training Approach for Visual Tracking and Recognition of Complex Human Activity Patterns
International Journal of Computer Vision
Using SAX representation for human action recognition
Journal of Visual Communication and Image Representation
Fitting distal limb segments for accurate skeletonization in human action recognition
Journal of Ambient Intelligence and Smart Environments
Action recognition using subtensor constraint
ECCV'12 Proceedings of the 12th European conference on Computer Vision - Volume Part III
View-Invariant action recognition using latent kernelized structural SVM
ECCV'12 Proceedings of the 12th European conference on Computer Vision - Volume Part V
An improved method of action recognition based on sparse spatio-temporal features
AIMSA'12 Proceedings of the 15th international conference on Artificial Intelligence: methodology, systems, and applications
The co-attention model for tiny activity analysis
Neurocomputing
Human action recognition employing negative space features
Journal of Visual Communication and Image Representation
STV-based video feature processing for action recognition
Signal Processing
Tracking in object action space
Computer Vision and Image Understanding
Action disambiguation analysis using normalized google-like distance correlogram
ACCV'12 Proceedings of the 11th Asian conference on Computer Vision - Volume Part III
Human activities recognition using depth images
Proceedings of the 21st ACM international conference on Multimedia
Human action recognition by fast dense trajectories
Proceedings of the 21st ACM international conference on Multimedia
Exploring trace transform for robust human action recognition
Pattern Recognition
Large scale continuous visual event recognition using max-margin Hough transformation framework
Computer Vision and Image Understanding
Editor's Choice Article: Human activity recognition in videos using a single example
Image and Vision Computing
Pattern Recognition Letters
Action recognition using 3D DAISY descriptor
Machine Vision and Applications
Silhouette-based human action recognition using SAX-Shapes
The Visual Computer: International Journal of Computer Graphics
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In this paper, we propose to model an action based on both the shape and the motion of the performing object. When the object performs an action in 3D, the points on the outer boundary of the object are projected as 2D (x, y) contour in the image plane. A sequence of such 2D contours with respect to time generates a spatiotemporal volume (STV) in (x, y, t), which can be treated as 3D object in the (x, y, t) space. We analyze STV by using the differential geometric surface properties to identify action descriptors capturing both spatial and temporal properties. A set of action descriptors is called an action sketch. The first step in our approach is to generate STV by solving the point correspondence problem between consecutive frames. The correspondences are determined using a two-step graph theoretical approach. After the STV is generated, actions descriptors are computed by analyzing the differential geometric properties of STV. Finally, using these descriptors, we perform action recognition, which is also formulated as graph theoretical problem. Several experimental results are presented to demonstrate our approach.