231 search results - page 6 / 47 » Robust perceptual image hashing using feature points |
ICIP
2006
IEEE
14 years 9 months ago
2006
IEEE
This paper presents a feature-based watermarking scheme which is robust to geometric and common image processing attacks. The improved Harris corner detector is used to find the r...
MICCAI
2004
Springer
14 years 8 months ago
2004
Springer
Abstract. In this work, we present a method for the integration of feature and intensity information for non rigid registration. Our method is based on a free-form deformation mode...
ICCV
2005
IEEE
14 years 1 months ago
2005
IEEE
When an image is viewed at varying resolutions, it is known to create discrete perceptual jumps or transitions amid the continuous intensity changes. In this paper, we study a per...
IPMI
1999
Springer
14 years 8 months ago
1999
Springer
Abstract. Inter-subjectnon-rigid registration of cortical anatomical structures as seen in MR is a challenging problem. The variability of the sulcal and gyral patterns across pati...
MMSEC
2006
ACM
14 years 1 months ago
2006
ACM
We present an efficient JPEG2000-based image authentication scheme, which is robust to JPEG compression and other allowed signal processing operations. Positive wavelet-based wate...