Plans and situated actions: the problem of human-machine communication
Plans and situated actions: the problem of human-machine communication
Context and consciousness: activity theory and human-computer interaction
Context and consciousness: activity theory and human-computer interaction
W4: Real-Time Surveillance of People and Their Activities
IEEE Transactions on Pattern Analysis and Machine Intelligence
Personal and Ubiquitous Computing
Activity and Location Recognition Using Wearable Sensors
IEEE Pervasive Computing
The Challenges of Wearable Computing: Part 2
IEEE Micro
Inferring Activities from Interactions with Objects
IEEE Pervasive Computing
Fine-Grained Activity Recognition by Aggregating Abstract Object Usage
ISWC '05 Proceedings of the Ninth IEEE International Symposium on Wearable Computers
Proceedings of the working conference on Advanced visual interfaces
A hybrid discriminative/generative approach for modeling human activities
IJCAI'05 Proceedings of the 19th international joint conference on Artificial intelligence
Bathroom activity monitoring based on sound
PERVASIVE'05 Proceedings of the Third international conference on Pervasive Computing
Colosseum3D: authoring framework for virtual environments
EGVE'05 Proceedings of the 11th Eurographics conference on Virtual Environments
Office activity recognition using hand posture cues
BCS-HCI '08 Proceedings of the 22nd British HCI Group Annual Conference on People and Computers: Culture, Creativity, Interaction - Volume 2
Activity recognition based on intra and extra manipulation of everyday objects
UCS'07 Proceedings of the 4th international conference on Ubiquitous computing systems
Towards an activity-aware wearable computing platform based on an egocentric interaction model
UCS'07 Proceedings of the 4th international conference on Ubiquitous computing systems
An activity-centered wearable computing infrastructure for intelligent environment applications
EUC'07 Proceedings of the 2007 international conference on Embedded and ubiquitous computing
Environmental user-preference learning for smart homes: An autonomous approach
Journal of Ambient Intelligence and Smart Environments
Object interaction detection using hand posture cues in an office setting
International Journal of Human-Computer Studies
The global interaction research initiative at the IT university of Copenhagen, Denmark
Proceedings of the ACM 2011 conference on Computer supported cooperative work
Activity inference for rfid-based assisted living applications
Journal of Mobile Multimedia
Modeling human activity semantics for improved recognition performance
UIC'11 Proceedings of the 8th international conference on Ubiquitous intelligence and computing
Egocentric interaction as a tool for designing ambient ecologies-The case of the easy ADL ecology
Pervasive and Mobile Computing
Modeling actions based on a situative space model for recognizing human activities
AIMSA'12 Proceedings of the 15th international conference on Artificial Intelligence: methodology, systems, and applications
Towards user-authored agent dialogues for assessment in personalised ambient assisted living
International Journal of Web Engineering and Technology
Multimedia Tools and Applications
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This paper presents an activity recognition approach based on the tracking of a specific human actor's current object manipulation actions, complemented by two kinds of situational information: 1) the set of objects that are visually observable (inside the "observable space") and 2) technically graspable (inside the "manipulable space"). This "egocentric" model is inspired by situated action theory and offers the advantage of not depending on technology for absolute positioning of neither the human nor the objects. Applied in an immersive Virtual Reality environment, the proposed activity recognition approach shows a recognition precision of 89% on the activity-level and 76% on the action-level among 10 everyday home activities.