1987 search results - page 51 / 398 » Directional filtering transform |
112
Voted
ICIP
2009
IEEE
16 years 3 months ago
2009
IEEE
We introduce an Nth-order extension of the Riesz transform in d dimensions. We prove that this generalized transform has the following remarkable properties: shift-invariance, sca...
124
Voted
ICIAP
2009
ACM
16 years 3 months ago
2009
ACM
Abstract. We exploit the recurrence of structures at different locations, orientations and scales in an image to perform denoising. While previous methods based on "nonlocal f...
ISCAS
2003
IEEE
15 years 7 months ago
2003
IEEE
An analog QRS complex detection circuit, for pacemaker applications, based on the Wavelet Transform (WT) is presented. The system detects the wavelet modulus maxima of the QRS com...
188
Voted
EDBT
2011
ACM
14 years 6 months ago
2011
ACM
Graph clustering has generally concerned itself with clustering undirected graphs; however the graphs from a number of important domains are essentially directed, e.g. networks of...
122
Voted
ICIP
2005
IEEE
16 years 4 months ago
2005
IEEE
In 3D subband coding, Motion-Compensated Temporal Filtering (MCTF) technique, especially with the adaptive 5/3 wavelet kernel, efficiently exploits the temporal correlation among n...