644 search results - page 12 / 129 » Wavelet Based Automatic Thresholding for Image Segmentation |
VIS
2004
IEEE
15 years 11 months ago
2004
IEEE
Noise reduction is an important preprocessing step for many visualization techniques that make use of feature extraction. We propose a method for denoising 2-D vector fields that ...
ICIP
2008
IEEE
15 years 4 months ago
2008
IEEE
This paper introduces a novel approach to the problem of active contour-based segmentation through the use of complexvalued wavelets. In traditional active contour-based segmentat...
ICIAP
2001
Springer
15 years 9 months ago
2001
Springer
In this article a texturefeature extraction scheme based on M-band waveletpacketframes is investigated. Thefeatures so extracted are usedfor segmentation of satellite images which...
97
Voted
ISBI
2004
IEEE
15 years 10 months ago
2004
IEEE
Wavelet-based statistical analysis methods for fMRI are able to detect brain activity without smoothing the data. Typically, the statistical inference is performed in the wavelet ...
73
Voted
BILDMED
2007
14 years 11 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...