38 search results - page 8 / 8 » Lossy to lossless image compression using allpass filters |
ICIP
2002
IEEE
14 years 6 months ago
2002
IEEE
In this paper we present a generic content-based solution targeting at authenticating image in a semi-fragile way, which integrates watermarking-based approach with signature-base...
SPIESR
1998
13 years 6 months ago
1998
An approach to embedding gray scale images using a discrete wavelet transform is proposed. The proposed scheme enables using signature images that could be as much as 25% of the h...
WCE
2007
13 years 6 months ago
2007
—The JPEG 2000 image coding standard employs the biorthogonal 9/7 wavelet for lossy compression. The performance of hardware implementation of 9/7-filter bank depends on accuracy...