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» A Fast Algorithm of Image Layer-Presentation
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106
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MICCAI
1999
Springer
15 years 6 months ago
Understanding the "Demon's Algorithm": 3D Non-rigid Registration by Gradient Descent
The “Demons Algorithm” in increasingly used for non-rigid registration of 3D medical images. However, if it is fast and usually accurate, the algorithm is based on intuitive id...
Xavier Pennec, Pascal Cachier, Nicholas Ayache
108
Voted
ECCV
2010
Springer
15 years 7 months ago
Fast Covariance Computation and Dimensionality Reduction for Sub-Window Features in Images
This paper presents algorithms for efficiently computing the covariance matrix for features that form sub-windows in a large multidimensional image. For example, several image proc...
89
Voted
ICPR
2008
IEEE
15 years 9 months ago
A device enhancing and denoising algorithm for X-ray cardiac fluoroscopy
In X-ray interventional imaging, improved denoising enables lower X-ray dose and better visualization, resulting in increased confidence in the therapeutic act. This article focu...
Vincent Bismuth, Régis Vaillant
SIGGRAPH
2000
ACM
15 years 7 months ago
Time-dependent visual adaptation for fast realistic image display
Human vision takes time to adapt to large changes in scene intensity, and these transient adjustments have a profound effect on visual appearance. This paper offers a new operator...
Sumanta N. Pattanaik, Jack Tumblin, Yangli Hector ...
103
Voted
CVPR
2010
IEEE
15 years 10 months ago
A Square-Root Sampling Approach to Fast Histogram-Based Search
We present an efficient pixel-sampling technique for histogram-based search. Given a template image as a query, a typical histogram-based algorithm aims to find the location of ...
Huang-Wei Chang, Hwann-Tzong Chen