26 search results - page 1 / 6 » Quality Constrained Compression Using DWT-Based Image Qualit... |
TCSV
2008
13 years 4 months ago
2008
A quality constrained compression algorithm based on Discrete Wavelet Transform (DWT) is proposed. The spatial-frequency decomposition property of DWT provides possibility for not...
ICASSP
2007
IEEE
13 years 11 months ago
2007
IEEE
Perceptual image quality metrics have explicitly accounted for perceptual characteristics of the human visual system (HVS) by modeling sensitivity to subband noise as the just-not...
ICIP
2007
IEEE
14 years 6 months ago
2007
IEEE
This paper discusses the disadvantages of several existing objective quality evaluation methods for frame interpolation techniques. Samples show that these disadvantages lead the ...
ICC
2007
IEEE
13 years 11 months ago
2007
IEEE
—In this paper, we present an original image quality metric for open-loop transcoding architectures based on frequency selective transmission. The proposed metric computes the no...
ICIP
2002
IEEE
14 years 6 months ago
2002
IEEE
This paper presents an objective metric for the perceived quality of low bit rate compressed video. Frames are decomposed into several frequency bands at multiple scales and a mot...