WACV
2012
IEEE
12 years 2 days ago
2012
IEEE
The growing ubiquity of cameras in hand-held devices and the prevalence of electronic displays in signage creates a novel framework for wireless communications. Traditionally, the...
ICASSP
2011
IEEE
12 years 8 months ago
2011
IEEE
A commonly considered image manipulation is to conceal undesirable objects or people in the scene with a region of pixels copied from the same image. Forensic mechanisms aimed at ...
TSMC
2010
12 years 11 months ago
2010
Feature-based image watermarking schemes, which aim to survive various geometric distortions, have attracted great attention in recent years. Existing schemes have shown robustness...
IVC
2006
13 years 4 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...
SSWMC
2004
13 years 5 months ago
2004
We present in this paper the results of our study on the human perception of geometric distortions in images. The ultimate goal of this study is to devise an objective measurement...
AAAI
2007
13 years 6 months ago
2007
The popularity of current hand-held digital imaging devices such as camera phones, PDAs, camcorders has promoted the use of digital cameras to capture document images for daily in...
DAGM
2003
Springer
13 years 9 months ago
2003
Springer
We define strong r-similarity and the morphing distance to bound geometric distortions between shapes of equal topology. We then derive a necessary and sufficient condition for a ...
IH
2005
Springer
13 years 10 months ago
2005
Springer
We examine the problem of watermarking schemes robust against geometric distortions from a complexity theoretic point of view. The main results presented are polynomial time reduct...
ICPR
2006
IEEE
14 years 5 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...
CVPR
2007
IEEE
14 years 6 months ago
2007
IEEE
In order to achieve seamless imagery in a planar multiprojector display, geometric distortions and misalignment of images within and across projectors have to be removed. Camera-b...