Fast Parallel Discrete Approximation Algorithms for the Radon Transform.
Martin L. BradyWhanki YongPublished in: SPAA (1992)
Keyphrases
- approximation algorithms
- radon transform
- discrete radon transform
- ridgelet transform
- image reconstruction
- discrete fourier transform
- np hard
- fourier transform
- noisy images
- special case
- worst case
- straight line
- feature detection
- tomographic reconstruction
- approximation ratio
- hough transform
- pattern analysis
- vertex cover
- signal processing
- np hardness
- texture images
- cone beam
- frequency domain
- multiscale
- objective function
- constant factor
- pattern recognition
- image analysis
- image processing