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» Generalized real analysis and its applications
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NIPS
2003
13 years 11 months ago
Sparse Representation and Its Applications in Blind Source Separation
In this paper, sparse representation (factorization) of a data matrix is first discussed. An overcomplete basis matrix is estimated by using the K−means method. We have proved ...
Yuanqing Li, Andrzej Cichocki, Shun-ichi Amari, Se...
SIGMOD
2012
ACM
223views Database» more  SIGMOD 2012»
12 years 7 days ago
MaskIt: privately releasing user context streams for personalized mobile applications
The rise of smartphones equipped with various sensors has enabled personalization of various applications based on user contexts extracted from sensor readings. At the same time i...
Michaela Götz, Suman Nath, Johannes Gehrke
CVIU
2010
89views more  CVIU 2010»
13 years 10 months ago
Spherical approximation for multiple cameras in motion estimation: Its applicability and advantages
Estimating motions of a multi-camera system which may not have overlapping fields of view is generally complex and computationally expensive because of the non-zero offset between...
Jun-Sik Kim, Myung Hwangbo, Takeo Kanade
MMSEC
2006
ACM
129views Multimedia» more  MMSEC 2006»
14 years 3 months ago
Digital invisible ink and its applications in steganography
A novel information-hiding methodology denoted as digital invisible ink is introduced. The proposed approach is inspired by the invisible ink in the real world and can be regarded...
Chun-Hsiang Huang, Shang-Chih Chuang, Ja-Ling Wu
INTERSPEECH
2010
13 years 4 months ago
Data-dependent evaluator modeling and its application to emotional valence classification from speech
Practical supervised learning scenarios involving subjectively evaluated data have multiple evaluators, each giving their noisy version of the hidden ground truth. Majority logic ...
Kartik Audhkhasi, Shrikanth S. Narayanan