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» Synchronous Image restoration
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ISCAS
2003
IEEE
97views Hardware» more  ISCAS 2003»
14 years 2 months ago
Watermark re-synchronization using log-polar mapping of image autocorrelation
Many watermarking algorithms embed the watermark into the image as contiguous non-overlapping tiles. This tiling structure forms an implicit synchronization template that can be r...
Adnan M. Alattar, Joel Meyer
ICIP
1999
IEEE
14 years 10 months ago
Hyperparameter Estimation for Emission Computed Tomography Data
Over the last years many statistical models have been proposed to restore tomographical images. However, their use in medical environment has been limited due to several factors. ...
Aggelos K. Katsaggelos, Antonio López, Rafa...
SCALESPACE
2009
Springer
14 years 3 months ago
An Edge-Preserving Multilevel Method for Deblurring, Denoising, and Segmentation
We present a fast edge-preserving cascadic multilevel image restoration method for reducing blur and noise in contaminated images. The method also can be applied to segmentation. O...
Serena Morigi, Lothar Reichel, Fiorella Sgallari
CVPR
2010
IEEE
14 years 2 months ago
Using Optical Defocus to Denoise
Effective reduction of noise is generally difficult because of the possible tight coupling of noise with high-frequency image structure. The problem is worse under low-light cond...
Qi Shan, Jiaya Jia, Sing Bing Kang, Zenglu Qin
CVPR
2006
IEEE
14 years 11 months ago
Image Pre-Conditioning for Out-of-Focus Projector Blur
We present a technique to reduce image blur caused by out-of-focus regions in projected imagery. Unlike traditional restoration algorithms that operate on a blurred image to recov...
Michael S. Brown, Peng Song, Tat-Jen Cham