104 search results - page 15 / 21 » Detection of LSB Steganography based on Image Smoothness |
ICPR
2006
IEEE
16 years 21 days ago
2006
IEEE
This paper presents a system that detects humans climbing fences. After extracting a binary blob contour, the system models the human with an extended star-skeleton representation...
94
Voted
PRL
2006
14 years 11 months ago
2006
Corners and junctions are landmarks characterized by the lack of differentiability in the unit tangent to the image level curve. Detectors based on differential operators are not,...
102
click to vote
ICIP
2002
IEEE
16 years 1 months ago
2002
IEEE
This paper presents an efficient method to integrate various spatial-temporal constraints to regularize the contour tracking. The global shape of the contour is represented in a p...
JAT
2010
14 years 10 months ago
2010
We consider H¨older smoothness classes of surfaces for which we construct piecewise polynomial approximation networks, which are graphs with polynomial pieces as nodes and edges ...
ICPR
2006
IEEE
16 years 21 days ago
2006
IEEE
This paper proposes a novel method for estimating the geospatial trajectory of a moving camera. The proposed method uses a set of reference images with known GPS (global positioni...