37 search results - page 4 / 8 » Classifying covert photographs |
ICCV
2007
IEEE
14 years 9 months ago
2007
IEEE
Why does placing an object from one photograph into another often make the colors of that object suddenly look wrong? One possibility is that humans prefer distributions of colors...
ICIP
2006
IEEE
14 years 9 months ago
2006
IEEE
In this paper we present an approach for lip motion analysis that can be used in conjunction with a person authentication system based on face recognition, to avoid attacks on the...
ICDAR
2009
IEEE
14 years 2 months ago
2009
IEEE
The system presented in this paper finds images and line-drawings in scanned pages; it is a crucial processing step in the creation of a large-scale system to detect and index ima...
ICMCS
2005
IEEE
14 years 1 months ago
2005
IEEE
Principal Component Analysis (PCA) has been widely used to extract features for pattern recognition problems such as object recognition. Oliva and Torralba used “spatial envelop...
DAS
2008
Springer
13 years 9 months ago
2008
Springer
We report an improved methodology for training a sequence of classifiers for document image content extraction, that is, the location and segmentation of regions containing handwr...