944 search results - page 103 / 189 » An evaluation of image based steganography methods |
110
Voted
ICCV
2009
IEEE
14 years 10 months ago
2009
IEEE
Most methods for object class segmentation are formulated as a labelling problem over a single choice of quantisation of an image space - pixels, segments or group of segments. It...
104
Voted
ICPR
2002
IEEE
15 years 5 months ago
2002
IEEE
We present a fast method for locating iris features in frontal face images based on the Hough transform. It consists of an initial iris detection step and a tracking step which us...
72
Voted
ICPR
2008
IEEE
15 years 7 months ago
2008
IEEE
In this study Principal Component Analysis (PCA), Non-negative Matrix Factorization (NMF) and Nonnegative Tensor Factorization (NTF) are applied as dimension reduction methods in ...
125
Voted
ICIP
2005
IEEE
16 years 2 months ago
2005
IEEE
We investigate the implications of a unified spatiotemporal-chromatic basis for compression and reconstruction of image sequences. Different adaptive methods (PCA and ICA) are app...
99
Voted
ICIP
2006
IEEE
16 years 2 months ago
2006
IEEE
Three-directional box-splines are particularly well-suited to interpolate and approximate hexagonally sampled data. In this paper, we propose a computationally efficient end-toend...