80 search results - page 4 / 16 » Subspaces of Quantization Artifacts for Image Transform Comp... |
ICMCS
2007
IEEE
14 years 1 months ago
2007
IEEE
This paper introduces a ¢¤£ discrete, non-separable transform for image processing, which can be regarded as a combination of the well known Discrete Cosine Transform (DCT) wit...
ICIP
2001
IEEE
14 years 8 months ago
2001
IEEE
Given a color image that was quantized in some hidden color space (termed compression color space) during previous JPEG compression, we aim to estimate this unknown compression co...
ICIP
2005
IEEE
14 years 8 months ago
2005
IEEE
JPEG 2000 is a lossy integer-to-integer transform-based compression method that first quantizes the separable 2-D wavelet transform coefficients, then entropy codes them. The imag...
ICIP
2000
IEEE
14 years 8 months ago
2000
IEEE
In a variety of applications (including automatic target recognition) image classification algorithms operate on compressed image data. This paper explores the design of optimal t...
ISCIS
2003
Springer
13 years 12 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...