33 search results - page 2 / 7 » Efficient image reconstruction using partial 2D Fourier tran... |
PAMI
2008
13 years 4 months ago
2008
This paper presents an efficient algorithm for iris recognition using phase-based image matching--an image matching technique using phase components in 2D Discrete Fourier Transfor...
ICIP
2004
IEEE
14 years 6 months ago
2004
IEEE
Using the concepts of two-dimensional Hilbert transform and analytic signal, we construct a new quaternion wavelet transform (QWT). The QWT forms a tight frame and can be efficien...
ICIP
2010
IEEE
13 years 2 months ago
2010
IEEE
The Fast Fourier Transform (FFT) allows the Discrete Time Fourier Transform (DTFT) to be efficiently sampled on a uniform grid in frequency. In many applications, including Magnet...
ICIP
2006
IEEE
14 years 6 months ago
2006
IEEE
The standard separable two-dimensional (2-D) wavelet transform (WT) has recently achieved a great success in image processing because it provides a sparse representation of smooth...
ICASSP
2011
IEEE
12 years 8 months ago
2011
IEEE
Sparse recovery techniques have been shown to produce very accurate acoustic images, significantly outperforming traditional deconvolution approaches. However, so far these propo...