34 search results - page 1 / 7 » Image compression with adaptive local cosines: a comparative... |
TIP
2002
13 years 10 months ago
2002
Abstract--The goal of this work is twofold. First, we demonstrate that an advantage can be gained by using local cosine bases over wavelets to encode images that contain periodic t...
IDA
2009
Springer
14 years 5 months ago
2009
Springer
In this paper, an algorithm for image coding based on a sparse 3-dimensional Discrete Cosine Transform (3D DCT) is studied. The algorithm is essentially a method for achieving a su...
ICASSP
2009
IEEE
14 years 5 months ago
2009
IEEE
Local features are widely used for content-based image retrieval and object recognition. We present an efficient method for encoding digital images suitable for local feature extr...
ISCIS
2003
Springer
14 years 4 months ago
2003
Springer
This paper presents a postprocessing technique based on the theory of projections onto convex sets (POCS) to reduce the blocking artifacts in low bit rate BDCT-coded images. In the...
JMM2
2008
13 years 11 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...