37 search results - page 2 / 8 » Distortion Estimation Techniques in Solving Visual CAPTCHAs |
CVPR
2007
IEEE
14 years 7 months ago
2007
IEEE
Texture flow estimation is a valuable step in a variety of vision related tasks, including texture analysis, image segmentation, shape-from-texture and texture remapping. This pap...
NIPS
2004
13 years 6 months ago
2004
We consider the problem of recovering an underwater image distorted by surface waves. A large amount of video data of the distorted image is acquired. The problem is posed in term...
TOG
2008
13 years 5 months ago
2008
We propose a tone-mapping operator that can minimize visible contrast distortions for a range of output devices, ranging from e-paper to HDR displays. The operator weights contras...
ISBI
2006
IEEE
14 years 6 months ago
2006
IEEE
One of the key factors affecting functional MRI image reconstruction is field inhomogeneity. It is desirable to estimate both the distortion-free MRI image and field map simultane...
ICCV
2009
IEEE
14 years 10 months ago
2009
IEEE
In this paper we propose an algorithm to estimate missing
values in tensors of visual data. The values can be missing
due to problems in the acquisition process, or because
the ...