32 search results - page 4 / 7 » A method for restoration of low-resolution document images |
ICPR
2004
IEEE
14 years 8 months ago
2004
IEEE
While scanning pages from a thick, bound book, there are two sources of distortion in the document images: 1) shade along the book `spine', and 2) warping of the book surface...
IVC
2006
13 years 7 months ago
2006
As camera resolution increases, high-speed non-contact text capture through a digital camera is opening up a new channel for text capture and understanding. Unfortunately, the cap...
ICPR
2006
IEEE
14 years 8 months ago
2006
IEEE
For document images captured by a digital camera, perspective and geometric distortions make it hard to recognize the document content properly. In this paper, we propose an integ...
ICDAR
2007
IEEE
14 years 1 months ago
2007
IEEE
In this paper we present a method to locate and recognize graphical symbols appearing in real images. A vectorial signature is defined to describe graphical symbols. It is formul...
ICPR
2010
IEEE
14 years 2 months ago
2010
IEEE
This paper presents a non-rigid registration method for the restoration of double-sided historical manuscripts. Firstly, the gradient direction maps of the two images of a manuscr...