45 search results - page 1 / 9 » New image-quality measure based on wavelets |
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...
TIM
2010
12 years 11 months ago
2010
The accuracy of automated face recognition systems is greatly affected by intraclass variations between enrollment and identification stages. In particular, changes in lighting con...
ICASSP
2010
IEEE
13 years 4 months ago
2010
IEEE
Sharpness is one of the most determining factors in the perceptual assessment of image quality. Objective image sharpness measures may play important roles in the design and optim...
MAMMO
2010
Springer
13 years 3 months ago
2010
Springer
Recently, detective quantum efficiency (DQE) arising from the concept of signal-to-noise ratio (SNR) has been used for assessing digital x-ray imaging systems. Using a phase-shift ...
JEI
2010
13 years 3 months ago
2010
Abstract. We present an innovative approach to the objective quality evaluation that could be computed using the mean difference between the original and tested images in different...