616 search results - page 30 / 124 » DCT Based High Quality Image Compression |
AVBPA
2005
Springer
14 years 3 months ago
2005
Springer
Abstract. Anti-spoofing protection of biometric systems is always a serious issue in real-life applications of an automatic personal verification system. Despite the fact that face...
CORR
2010
Springer
13 years 10 months ago
2010
Springer
In Image Compression, the researchers' aim is to reduce the number of bits required to represent an image by removing the spatial and spectral redundancies. Recently discrete...
ICPR
2000
IEEE
14 years 11 months ago
2000
IEEE
: Lossy transform compression of images is successful and widespread. The JPEG standard uses the discrete cosine transform on blocks of the image and a bit allocation process that ...
ICMCS
2005
IEEE
14 years 3 months ago
2005
IEEE
In this paper, we present a novel reversible watermarking scheme for image authentication for JPEG/JPEG-2000 coded images. Since the watermarking scheme is reversible, the exact o...
WSCG
2004
13 years 11 months ago
2004
We present an accurate, interactive silhouette extraction mechanism for texture-based volume rendering. Compared to previous approaches, our system guarantees silhouettes of a use...