39 search results - page 3 / 8 » Contextual Restoration of Severely Degraded Document Images |
ICIP
2001
IEEE
14 years 9 months ago
2001
IEEE
Perspective distortion always occurs while scanning thick, bound documents. This distortion mainly causes two sources of degradation for the scanned grayscale image ? i) shade alo...
MMSP
2008
IEEE
14 years 1 months ago
2008
IEEE
—Illumination distortion due to uncontrolled lighting can severely degrade the color appearance of a photo. Frequently, the desired colors for objects in a newly taken query imag...
SIGPRO
2002
13 years 7 months ago
2002
Image restoration from degraded images lies at the foundation of image processing, pattern recognition, and computer vision, so it has been extensively studied. A large number of ...
CVPR
2010
IEEE
14 years 3 months ago
2010
IEEE
In image restoration tasks, a heavy-tailed gradient distribution of natural images has been extensively exploited as an image prior. Most image restoration algorithms impose a spa...
ICDAR
2003
IEEE
14 years 23 days ago
2003
IEEE
In this paper, we propose a generalized shock model for the enhancement and restoration of degraded gray-level character images. This model is a quasi-linear hyperbolic partial di...