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ORL
2010
98views more  ORL 2010»
13 years 9 months ago
A facial reduction algorithm for finding sparse SOS representations
Facial reduction algorithm reduces the size of the positive semidefinite cone in SDP. The elimination method for a sparse SOS polynomial ([3]) removes unnecessary monomials for a...
Hayato Waki, Masakazu Muramatsu
SIAMJO
2010
100views more  SIAMJO 2010»
13 years 5 months ago
Explicit Sensor Network Localization using Semidefinite Representations and Facial Reductions
The sensor network localization, SNL , problem in embedding dimension r, consists of locating the positions of wireless sensors, given only the distances between sensors that are ...
Nathan Krislock, Henry Wolkowicz
CIVR
2006
Springer
121views Image Analysis» more  CIVR 2006»
14 years 2 months ago
Finding Faces in Gray Scale Images Using Locally Linear Embeddings
The problem of face detection remains challenging because faces are non-rigid objects that have a high degree of variability with respect to head rotation, illumination, facial exp...
Samuel Kadoury, Martin D. Levine