242 search results - page 26 / 49 » Optimized Fast Algorithms for the Quaternionic Fourier Trans... |
CRV
2011
IEEE
12 years 8 months ago
2011
IEEE
—We present an algorithm that finds the rotation which best aligns a given configuration of directions on an unsorted set of directions. Using a cost function that we derive in...
SIAMREV
2010
13 years 3 months ago
2010
Computational Convex Analysis algorithms have been rediscovered several times in the past by researchers from different fields. To further communications between practitioners, we ...
SIGMOD
2006
ACM
14 years 9 months ago
2006
ACM
We introduce a method to discover optimal local patterns, which concisely describe the main trends in a time series. Our approach examines the time series at multiple time scales ...
PLDI
2005
ACM
14 years 2 months ago
2005
ACM
A critical optimization in the domain of linear signal transforms, such as the discrete Fourier transform (DFT), is loop merging, which increases data locality and reuse and thus ...
ICIP
2007
IEEE
14 years 3 months ago
2007
IEEE
In a wide variety of imaging applications (especially medical imaging), we obtain a partial set or subset of the Fourier transform of an image. From these Fourier measurements, we...