24 search results - page 1 / 5 » Digital Camera Resolution: An Improved Heisenberg-Gabor Test... |
ISM
2006
IEEE
13 years 11 months ago
2006
IEEE
The paper demonstrates a method of simultaneously testing the spatial and tonal resolution of a camera. Unlike the modulation transfer function which has been used in the past, th...
DPHOTO
2009
13 years 2 months ago
2009
We present a method to improve the validity of noise and resolution measurements on digital cameras. If non-linear adaptive noise reduction is part of the signal processing in the...
ICDAR
2009
IEEE
13 years 2 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...
ICPR
2006
IEEE
14 years 6 months ago
2006
IEEE
As camera resolution increases, high-speed non-contact text capture through a digital camera is opening up a new channel for document capture and understanding. Unfortunately, per...
VCIP
2003
13 years 6 months ago
2003
In this paper, we present a simple method to almost quadruple the spatial resolution of aliased images. From a set of four low resolution, undersampled and shifted images, a new i...