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ISBI
2009
IEEE
14 years 8 days ago
Accelerating Regularized Iterative CT Reconstruction on Commodity Graphics Hardware (GPU)
Iterative reconstruction algorithms augmented with regularization can produce high-quality reconstructions from few views and even in the presence of significant noise. In this pa...
Wei Xu, Klaus Mueller
ISBI
2009
IEEE
14 years 8 days ago
Fast Algorithms for Nonconvex Compressive Sensing: MRI Reconstruction from Very Few Data
Compressive sensing is the reconstruction of sparse images or signals from very few samples, by means of solving a tractable optimization problem. In the context of MRI, this can ...
Rick Chartrand
ISBI
2009
IEEE
14 years 8 days ago
Prior Affinity Measures on Matches for ICP-Like Nonlinear Registration of Free-Form Surfaces
In this paper, we show that several well-known nonlinear surface registration algorithms can be put in an ICP-like framework, and thus boil down to the successive estimation of po...
Benoît Combès, Sylvain Prima
ISBI
2009
IEEE
14 years 8 days ago
Bridging the Semantic Gap Using Ranking Svm for Image Retrieval
One of the main challenges for Content-Based Image Retrieval (CBIR) is to achieve meaningful mappings between the high-level semantic concepts and the low-level visual features in...
Haiying Guan, Sameer Antani, L. Rodney Long, Georg...
ISBI
2009
IEEE
14 years 8 days ago
Improved Semi-Automated Segmentation of Cardiac CT and MR Images
This paper presents a semi-automated segmentation method for short-axis cardiac CT and MR images. The main contributions of this work are: 1) using two different energy functional...
Chao Li, Xiao Jia, Ying Sun