231 search results - page 39 / 47 » Robust perceptual image hashing using feature points |
ICPR
2006
IEEE
14 years 8 months ago
2006
IEEE
The fundamental matrix (FM) represents the perspective transform between two or more uncalibrated images of a stationary scene, and is traditionally estimated based on 2parameter ...
ICIAP
2005
ACM
14 years 7 months ago
2005
ACM
Facial image analysis is very useful in many applications such as video compression, talking heads, or biometrics. During the last few years, many algorithms have been proposed in ...
ISMAR
2006
IEEE
14 years 1 months ago
2006
IEEE
One of the key requirements of augmented reality systems is a robust real-time camera pose estimation. In this paper we present a robust approach, which does neither depend on ofï...
CVPR
2010
IEEE
14 years 4 months ago
2010
IEEE
The classical optical flow assumes that a feature point maintains constant brightness across the frames. For fluidtype motions such as smoke or clouds, the constant brightness ass...
CMIG
2011
12 years 11 months ago
2011
In this paper, a method is described to automatically estimate the visible body region of a computed tomography (CT) volume image. In order to quantify the body region, a body coo...