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MM
2003
ACM
160views Multimedia» more  MM 2003»
14 years 2 months ago
VideoQA: question answering on news video
When querying a news video archive, the users are interested in retrieving precise answers in the form of a summary that best answers the query. However, current video retrieval s...
Hui Yang, Lekha Chaisorn, Yunlong Zhao, Shi-Yong N...
SOUPS
2010
ACM
14 years 1 months ago
A closer look at recognition-based graphical passwords on mobile devices
Graphical password systems based on the recognition of photographs are candidates to alleviate current over-reliance on alphanumeric passwords and PINs. However, despite being bas...
Paul Dunphy, Andreas P. Heiner, N. Asokan
RIAO
2000
13 years 10 months ago
Speaker change detection using joint audio-visual statistics
In this paper, we present an approach for speaker change detection in broadcast video using joint audio-visual scene change statistics. Our experiments indicate that using joint a...
Giridharan Iyengar, Chalapathy Neti, Sankar Basu
IMC
2009
ACM
14 years 3 months ago
Characterizing user behavior in online social networks
Understanding how users behave when they connect to social networking sites creates opportunities for better interface design, richer studies of social interactions, and improved ...
Fabrício Benevenuto, Tiago Rodrigues, Meeyo...
CIKM
2005
Springer
14 years 2 months ago
Opportunity map: a visualization framework for fast identification of actionable knowledge
Data mining techniques frequently find a large number of patterns or rules, which make it very difficult for a human analyst to interpret the results and to find the truly interes...
Kaidi Zhao, Bing Liu, Thomas M. Tirpak, Weimin Xia...