114 search results - page 1 / 23 » Localized filtering for artifact removal in compressed image... |
ICASSP
2011
IEEE
12 years 8 months ago
2011
IEEE
The paper proposes a novel method for coding artifact reduction in compressed images. For removing blocking artifacts, a localized DCT-based filter with condition on the similari...
ICIP
2005
IEEE
13 years 10 months ago
2005
IEEE
A method for detecting and reducing reverberation artifacts in ultrasound image sequences is described. A reverberation artifact localization map is produced using local Rf-bandwi...
ICIP
2007
IEEE
13 years 11 months ago
2007
IEEE
In this paper, an integrated resolution up-conversion and compression artifacts removal algorithm is proposed. Local image patterns are classified into object details or coding ar...
ICIP
2005
IEEE
14 years 6 months ago
2005
IEEE
We propose a high-performance, nonlinear, loop filter that reduces quantization noise over video frames composed of locally uniform regions (smooth, high frequency, texture, etc.)...
ICIP
2001
IEEE
14 years 6 months ago
2001
IEEE
In lossy image compression schemes utilizing the discrete cosine transform (DCT), quantization of the DCT coefficients introduces error in the image representation and a loss of s...