274 search results - page 32 / 55 » Anti-forensics of JPEG compression |
ICIP
2000
IEEE
14 years 9 months ago
2000
IEEE
This paper investigates the robustness of the wavelet transform, implemented by means of the Lifting Scheme (LS), with respect to numerical errors in the representation and calcul...
ICIP
1999
IEEE
14 years 9 months ago
1999
IEEE
As wavelet-based image coding is set to become more widely used (e.g. with the completion of the JPEG2000 standard), memory efficiency for wavelet-based coding is becoming an incr...
ICIP
2009
IEEE
14 years 8 months ago
2009
IEEE
This paper proposes an image coding method based on adaptive downsampling which not only uses the pixel redundancy but also considers visual redundancy. At the encoder side, codec...
ICMCS
2005
IEEE
14 years 1 months ago
2005
IEEE
In this paper, a method for content-based retrieval of JPEG images is presented, utilizing features directly from the discrete cosine transform (DCT) domain. Image indexing is ach...
ICIP
1999
IEEE
14 years 9 months ago
1999
IEEE
We present a new image compression technique called DjVu" that is speci cally geared towards the compression of scanned documents in color at high resolution. With DjVu, a ma...