67 search results - page 8 / 14 » Spatially Adaptive Wavelet Thresholding for Image Watermarki... |
JDCTA
2010
13 years 2 months ago
2010
Preprocessing, a major component of Character Recognition System, has direct effect on the recognition system by its performance. Using wavelet transform, this paper mainly focuse...
BILDMED
2007
13 years 9 months ago
2007
The projection data measured in computed tomography (CT) and, consequently, the slices reconstructed from these data are noisy. For a reliable diagnosis and subsequent image proces...
ICIP
2010
IEEE
13 years 5 months ago
2010
IEEE
We propose a novel algorithm for denoising Poisson-corrupted images, that performs a signal-adaptive thresholding of the undecimated Haar wavelet coefficients. A Poisson's un...
DICTA
2003
13 years 8 months ago
2003
Abstract. This paper proposes a new adaptive wavelet-based Magnetic Resonance images denoising algorithm. A Rician distribution for background-noise modelling is introduced and a M...
ARTCOM
2009
IEEE
13 years 5 months ago
2009
IEEE
A new adaptive multispectral image compression technique based on the regions identified is proposed. The algorithm is adaptive in the sense that according to the data type class ...