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CHI
2009
ACM
16 years 5 months ago
Conversation clusters: grouping conversation topics through human-computer dialog
Conversation Clusters explores the use of visualization to highlight salient moments of live conversation while archiving a meeting. Cheaper storage and easy access to recording d...
Tony Bergstrom, Karrie Karahalios
127
Voted
CVPR
2008
IEEE
15 years 11 months ago
Segmentation of multiple, partially occluded objects by grouping, merging, assigning part detection responses
We propose a method that detects and segments multiple, partially occluded objects in images. A part hierarchy is defined for the object class. Whole-object segmentor and part de...
Bo Wu, Ram Nevatia, Yuan Li
ICC
2008
IEEE
110views Communications» more  ICC 2008»
15 years 11 months ago
On the Eigenvalue Distribution of Ricean MIMO Channels by Character Expansion of Groups
Abstract— Joint eigenvalue distribution of the noncentral complex Wishart matrix, i.e. HH∗ where H is the nonzero-mean complex Gaussian random channel matrix of a multiple-inpu...
Alireza Ghaderipoor, Chintha Tellambura
ICMCS
2007
IEEE
151views Multimedia» more  ICMCS 2007»
15 years 10 months ago
Exploring Contextual Information in a Layered Framework for Group Action Recognition
Contextual information is important for sequence modeling. Hidden Markov Models (HMMs) and extensions, which have been widely used for sequence modeling, make simplifying, often u...
Dong Zhang, Samy Bengio
MM
2005
ACM
188views Multimedia» more  MM 2005»
15 years 10 months ago
Detecting group activities using rigidity of formation
Most work in human activity recognition is limited to relatively simple behaviors like sitting down, standing up or other dramatic posture changes. Very little has been achieved i...
Saad M. Khan, Mubarak Shah