29 search results - page 2 / 6 » Astronomical image restoration using an improved anisotropic... |
CBMS
2008
IEEE
14 years 3 months ago
2008
IEEE
This paper presents a method aimed to noise
removal in MRI (Magnetic Resonance Imaging). We
propose an improvement of Perona and Malik's
anisotropic diffusion filter. In ou...
ICMCS
2006
IEEE
13 years 11 months ago
2006
IEEE
- Restoration of color-quantized images in which error diffusion is involved is rarely addressed in the literature. Conventional restoration algorithms were generally proposed for ...
CVPR
2005
IEEE
13 years 10 months ago
2005
IEEE
Ultrasound images provide the clinician with noninvasive, low cost, and real-time images that can help them in diagnosis, plannnig and therapy. However, although the human eye is ...
IJCV
2002
13 years 4 months ago
2002
We are interested in regularizing fields of orthonormal vector sets, using constraint-preserving anisotropic diffusion PDE's. Each point of such a field is defined by multiple...
ICIAP
2003
ACM
14 years 5 months ago
2003
ACM
To be able to enlarge a digital image from a single frame preserving the perceptive cues is a relevant research issue. The best algorithms take into account the presence of edges ...