274 search results - page 38 / 55 » Anti-forensics of JPEG compression |
VLSM
2005
Springer
14 years 1 months ago
2005
Springer
While methods based on partial differential equations (PDEs) and variational techniques are powerful tools for denoising and inpainting digital images, their use for image compress...
IDEAL
2004
Springer
14 years 1 months ago
2004
Springer
Abstract. Image compression methods such as JPEG use quantisation of discrete cosine transform (DCT) coefficients of image blocks to produce lossy compression. During decoding, an...
ICIP
2010
IEEE
13 years 5 months ago
2010
IEEE
This paper proposes a hybrid approximate pattern matching/ transform-based compression engine. The idea is to use regular video interframe prediction as a pattern matching algorit...
ICASSP
2010
IEEE
13 years 8 months ago
2010
IEEE
This paper presents a novel algorithm for computing the relative motion between images from compressed linear measurements. We propose a geometry based correlation model that desc...
JMM2
2008
13 years 7 months ago
2008
In this work, an adaptive image compression algorithm is proposed based on the prediction of AC coefficients in Discrete Cosine Transform (DCT) block during reconstruction of image...