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CSCW
2011
ACM
13 years 5 months ago
Your time zone or mine?: a study of globally time zone-shifted collaboration
We conducted interviews with sixteen members of teams that worked across global time zone differences. Despite time zone differences of about eight hours, collaborators still foun...
John C. Tang, Chen Zhao, Xiang Cao, Kori Inkpen
IJRR
2011
78views more  IJRR 2011»
13 years 5 months ago
Online and Incremental Appearance-based SLAM in Highly Dynamic Environments
This paper presents a novel method for online and incremental appearance-based localization and mapping in a highly dynamic environment. Using position-invariant robust features (...
Aram Kawewong, Noppharit Tongprasit, Sirinart Tang...
TASLP
2011
13 years 5 months ago
Time-Frequency Cepstral Features and Heteroscedastic Linear Discriminant Analysis for Language Recognition
Abstract—The shifted delta cepstrum (SDC) is a widely used feature extraction for language recognition (LRE). With a high context width due to incorporation of multiple frames, S...
Weiqiang Zhang, Liang He, Yan Deng, Jia Liu, M. T....
TASLP
2011
13 years 5 months ago
A Probabilistic Interaction Model for Multipitch Tracking With Factorial Hidden Markov Models
—We present a simple and efficient feature modeling approach for tracking the pitch of two simultaneously active speakers. We model the spectrogram features of single speakers u...
Michael Wohlmayr, Michael Stark, Franz Pernkopf
TIP
2011
123views more  TIP 2011»
13 years 5 months ago
Spatial Sparsity-Induced Prediction (SIP) for Images and Video: A Simple Way to Reject Structured Interference
We propose a prediction technique that is geared toward forming successful estimates of a signal based on a correlated anchor signal that is contaminated with complex interference...
Gang Hua, Onur G. Guleryuz