80 search results - page 1 / 16 » Subspaces of Quantization Artifacts for Image Transform Comp... |
ICIP
2000
IEEE
14 years 7 months ago
2000
IEEE
This paper presents a new algorithm for reducing quantization artifacts in transform coded images. For transform coded signals, we analytically show that one can determine linear ...
ICIP
2001
IEEE
14 years 7 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...
TCSV
2002
13 years 5 months ago
2002
A novel frequency-domain technique for image blocking artifact detection and reduction is presented in this paper. The algorithm first detects the regions of the image which presen...
ISM
2008
IEEE
13 years 12 months ago
2008
IEEE
Many popular image compression schemes are based on block-transform coding, a technique where images are broken into small blocks of pixels prior to transformation and compression...
TIP
1998
13 years 5 months ago
1998
Abstract—A postprocessing algorithm is proposed to reduce the blocking artifacts of Joint Photographic Experts Group (JPEG) decompressed images. The reconstructed images from JPE...