328 search results - page 53 / 66 » Edge noise in document images |
ICASSP
2011
IEEE
13 years 1 months ago
2011
IEEE
We propose a sinogram restoration method which consists of a patch-wise non-linear processing, based on a sparsity prior in terms of a learned dictionary. An off-line learning pro...
ICDAR
2005
IEEE
14 years 3 months ago
2005
IEEE
In this article, we focus on the problem of caption detection in video sequences. Contrary to most of existing approaches based on a single detector followed by an ad hoc and cost...
ICPR
2002
IEEE
14 years 2 months ago
2002
IEEE
Computer vision requires the solution of many ill-posed problems such as optical flow, structure from motion, shape from shading, surface reconstruction, image restoration and ed...
PCM
2010
Springer
13 years 8 months ago
2010
Springer
Abstract. Content retrieval of scanned line drawing images is a difficult problem, especially from real-life large scale databases. Existing algorithms don’t work well due to th...
CVPR
2008
IEEE
14 years 11 months ago
2008
IEEE
We propose a new method for sampling camera response functions: temporally mixing two uncalibrated irradiances within a single camera exposure. Calibration methods rely on some kn...