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CVPR
2009
IEEE
17 years 5 days ago
Locally Time-Invariant models of Human Activities using Trajectories on the Grassmanian
Human activity analysis is an important problem in computer vision with applications in surveillance and summarization and indexing of consumer content. Complex human activities...
Pavan Turaga, Rama Chellappa
UCS
2007
Springer
15 years 11 months ago
Activity Recognition Based on Intra and Extra Manipulation of Everyday Objects
Recognizing activities based on an actor’s interaction with everyday objects is an important research approach within ubiquitous computing. We present a recognition approach whic...
Dipak Surie, Fabien Lagriffoul, Thomas Pederson, D...
CSCW
2002
ACM
15 years 4 months ago
Articulating User Needs in Collaborative Design: Towards an Activity-Theoretical Approach
This paper analyses the collaborative design of a high-technology product, a neuromagnetometer used in the analysis of the activity of the human cortex. The producer, Neuromag Com...
Reijo Miettinen, Mervi Hasu
DEXA
2004
Springer
103views Database» more  DEXA 2004»
15 years 10 months ago
Characterizing Database User's Access Patterns
Much work has been done on characterizing the workload of a database system. Previous studies focused on providing different types of statistical summaries, and modeling the run-ti...
Qingsong Yao, Aijun An
SIGMOD
2012
ACM
202views Database» more  SIGMOD 2012»
13 years 7 months ago
MCJoin: a memory-constrained join for column-store main-memory databases
There exists a need for high performance, read-only mainmemory database systems for OLAP-style application scenarios. Most of the existing works in this area are centered around t...
Steven Keith Begley, Zhen He, Yi-Ping Phoebe Chen