Machine interpretation of line drawings
Machine interpretation of line drawings
An architecture for general purpose physical system simulation—Integrating geometry, dynamics, and control
Qualitative spatial reasoning: the CLOCK project
Artificial Intelligence - Special issue: Qualitative reasoning about physical systems II
Naive physics, event perception, lexical semantics, and language acquisition
Naive physics, event perception, lexical semantics, and language acquisition
Numerical recipes in C (2nd ed.): the art of scientific computing
Numerical recipes in C (2nd ed.): the art of scientific computing
The acquisition of lexical semantics for spatial terms: a connectionist model of perceptual categorization
The computational perception of scene dynamics
Computer Vision and Image Understanding - Special issue on physics-based modeling and reasoning in computer vision
Physics-based visual understanding
Computer Vision and Image Understanding - Special issue on physics-based modeling and reasoning in computer vision
Symbolic visual learning
Language and Spatial Cognition
Language and Spatial Cognition
Understanding Natural Language
Understanding Natural Language
Computational Perception of Scene Dynamics
ECCV '96 Proceedings of the 4th European Conference on Computer Vision-Volume II - Volume II
A Maximum-Likelihood Approach to Visual Event Classification
ECCV '96 Proceedings of the 4th European Conference on Computer Vision-Volume II - Volume II
Visual Event Classification via Force Dynamics
Proceedings of the Seventeenth National Conference on Artificial Intelligence and Twelfth Conference on Innovative Applications of Artificial Intelligence
Towards Natural Language Description of Real-World Image Sequences
GI - 12. Jahrestagung
On Defining Motion Verbs and Spatial Prepositions
Repräsentation und Verarbeitung räumlichen Wissens
Coupled hidden Markov models for complex action recognition
CVPR '97 Proceedings of the 1997 Conference on Computer Vision and Pattern Recognition (CVPR '97)
Action Recognition Using Probabilistic Parsing
CVPR '98 Proceedings of the IEEE Computer Society Conference on Computer Vision and Pattern Recognition
Towards the Computational Perception of Action
CVPR '98 Proceedings of the IEEE Computer Society Conference on Computer Vision and Pattern Recognition
Understanding manipulation in video
FG '96 Proceedings of the 2nd International Conference on Automatic Face and Gesture Recognition (FG '96)
Boundaries of Visual Motion
The fourteen primitive actions and their inferences.
The fourteen primitive actions and their inferences.
A learning of object structures by verbalism
COLING '82 Proceedings of the 9th conference on Computational linguistics - Volume 1
Cognitive models for computer vision
COLING '82 Proceedings of the 9th conference on Computational linguistics - Volume 1
Grounding the lexical semantics of verbs in visual perception using force dynamics and event logic
Journal of Artificial Intelligence Research
IBAL: a probabilistic rational programming language
IJCAI'01 Proceedings of the 17th international joint conference on Artificial intelligence - Volume 1
The "Inverse hollywood problem": from video to scripts and storyboards via causal analysis
AAAI'97/IAAI'97 Proceedings of the fourteenth national conference on artificial intelligence and ninth conference on Innovative applications of artificial intelligence
Effective Bayesian inference for stochastic programs
AAAI'97/IAAI'97 Proceedings of the fourteenth national conference on artificial intelligence and ninth conference on Innovative applications of artificial intelligence
Relational sequential inference with reliable observations
ICML '04 Proceedings of the twenty-first international conference on Machine learning
Sequential inference with reliable observations: learning to construct force-dynamic models
Artificial Intelligence
Pattern Recognition Letters
Searching for Complex Human Activities with No Visual Examples
International Journal of Computer Vision
Histogram of oriented rectangles: A new pose descriptor for human action recognition
Image and Vision Computing
Problem solving through imitation
Image and Vision Computing
A simple-transition model for relational sequences
IJCAI'05 Proceedings of the 19th international joint conference on Artificial intelligence
Sequential inference with reliable observations: Learning to construct force-dynamic models
Artificial Intelligence
Learning to recognize video-based spatiotemporal events
IEEE Transactions on Intelligent Transportation Systems
Human action recognition using distribution of oriented rectangular patches
Proceedings of the 2nd conference on Human motion: understanding, modeling, capture and animation
Unsupervised symbol grounding and cognitive bootstrapping in cognitive vision
ICIAP'05 Proceedings of the 13th international conference on Image Analysis and Processing
Representation and reasoning about general solid rectangles
IJCAI'13 Proceedings of the Twenty-Third international joint conference on Artificial Intelligence
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This paper presents a method for recovering the support, contact, and attachment (i.e., force dynamic) relations between objects depicted in video sequences. It first presents a stability-analysis procedure that determines whether a configuration of observed objects is stable under a given interpretation using a reduction to linear programming. It then presents a model-reconstruction procedure for searching the space of admissible interpretations to find the simplest stable interpretations or models. These stability-analysis and model-reconstruction procedures have been implemented as part of a system that recovers force-dynamic interpretations from video sequences and uses those interpretations to classify the events that occur in those sequences. This paper presents the details of the stability-analysis and model-reconstruction procedures and illustrates their operation on sample video sequences.