1613 search results - page 4 / 323 » Invariant representation in image processing |
ICASSP
2011
IEEE
12 years 10 months ago
2011
IEEE
This paper presents a new wavelet based retrieval approach based on Spherically Invariant Random Vector (SIRV) modeling of wavelet subbands. Under this multivariate model, wavelet...
ICIP
2004
IEEE
14 years 8 months ago
2004
IEEE
In this paper we propose an image retrieval scheme based on projectively invariant features. Since cross-ratio is the fundamental invariant feature under projective transformation...
WSCG
2004
13 years 8 months ago
2004
Image registrations have been a subject of extensive study over the last decade. They appear in numerous applications including Computer Vision, Pattern Recognition, Medical Image...
ICIP
2004
IEEE
14 years 8 months ago
2004
IEEE
In this paper we suggest viewing images (as well as attacks on them) as a sequence of linear operators and propose novel hashing algorithms employing transforms that are based on ...
IJCV
2007
13 years 6 months ago
2007
Abstract. Inspired by the early visual system of many mammalians we consider the construction of-and reconstruction from- an orientation score Uf : R2 ×S1 → C as a local orienta...