328 search results - page 48 / 66 » Edge noise in document images |
ECCV
2010
Springer
14 years 2 months ago
2010
Springer
Abstract. In this paper, we propose a novel type of explicit image filter - guided filter. Derived from a local linear model, the guided filter generates the filtering output b...
ICIP
1998
IEEE
14 years 2 months ago
1998
IEEE
The method of wavelet thresholding for removing noise, or denoising, has been researched extensively due to its effectiveness and simplicity. Much of the literature has focused on ...
ICDAR
2009
IEEE
14 years 4 months ago
2009
IEEE
In this paper, we propose an efficient text detection method based on the Laplacian operator. The maximum gradient difference value is computed for each pixel in the Laplacian-fil...
ICPR
2010
IEEE
14 years 2 months ago
2010
IEEE
Shape representation is a difficult task because of several symbol distortions, such as occlusions, elastic deformations, gaps or noise. In this paper, we propose a new descriptor ...
ICDAR
2009
IEEE
13 years 7 months ago
2009
IEEE
In this paper, we propose a method for recognizing lowresolution characters using a super-resolution technique. Although portable digital cameras can be used for camerabased chara...