328 search results - page 9 / 66 » Edge noise in document images |
VIP
2003
13 years 11 months ago
2003
Real images are often corrupted by noise from various sources. Bilateral filtering is a nonlinear filter that considers intensity variations as well as spatial closeness in the no...
ICICIC
2006
IEEE
14 years 3 months ago
2006
IEEE
Traditional nonlinear filtering techniques are observed in underutilization of blur identification techniques, and vice versa. To improve blind image restoration, a designed edg...
ICIP
2007
IEEE
14 years 4 months ago
2007
IEEE
In this paper, we propose a new method to perform the first derivative estimation of a discrete intensity distribution. This approach is based on a non-additive aggregation proce...
ICIAP
1997
ACM
14 years 1 months ago
1997
ACM
Nonlinear filtering based on a two concentric circular windows operator is introduced as a simple and effective way to find edges in image processing. The dual windows edge detecto...
IEICET
2006
13 years 9 months ago
2006
In this paper, we propose an enlargement method for images with Gaussian noise based on the Laplacian pyramid (LP) representation. Unlike lowpass preprocessing approaches to the L...