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ISBI
2009
IEEE
15 years 6 months 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
CGF
1999
159views more  CGF 1999»
14 years 11 months ago
Fast Polyhedral Cell Sorting for Interactive Rendering of Unstructured Grids
Direct volume rendering based on projective methods works by projecting, in visibility order, the polyhedral cells of a mesh onto the image plane, and incrementally compositing th...
João Comba, James T. Klosowski, Nelson L. M...
ICIP
2010
IEEE
14 years 9 months ago
Fast object detection using boosted co-occurrence histograms of oriented gradients
Co-occurrence histograms of oriented gradients (CoHOG) are powerful descriptors in object detection. In this paper, we propose to utilize a very large pool of CoHOG features with ...
Haoyu Ren, Cher-Keng Heng, Wei Zheng, Luhong Liang...
ICIP
2003
IEEE
16 years 1 months ago
Fast face detection by lifting dyadic wavelet filters
This paper presents a fast algorithm for detecting facial parts such as nose, eyes and lips in an image by using lifting dyadic wavelet filters. Free parameters in the lifting fil...
Turghunjan Abdukirim, Koichi Niijima, Shigeru Taka...
ICIP
2009
IEEE
14 years 9 months ago
A multi-modal automatic image registration technique based on complex wavelets
Image registration is considered one of the most fundamental and crucial pre-processing tasks in digital imaging. This paper describes a fast multimodal automatic image registrati...
Milad Ghantous, Soumik Ghosh, Magdy Bayoumi