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ICIP
2001
IEEE
15 years 11 months ago
Orthogonal quincunx wavelets with fractional orders
We present a new family of 2D orthogonal wavelets which uses quincunx sampling. The orthogonal refinement filters have a simple analytical expression in the Fourier domain as a fu...
Manuela Feilner, Mathews Jacob, Michael Unser
ICPR
2002
IEEE
15 years 10 months ago
Fingerprint Enhancement with Dyadic Scale-Space
Fingerprint enhancement is a critical step in automatic fingerprint verification system. Most of the existing enhancement uses a set of contextual filters to enhance fingerprint. ...
Jiangang Cheng, Jie Tian, Tanghui Zhang
PR
2000
129views more  PR 2000»
14 years 9 months ago
Personal identification based on handwriting
In this paper, a novel algorithm is presented for writer identification from handwritings. Principal Component Analysis is applied to the gray-scale handwriting images to find a s...
H. E. S. Said, T. N. Tan, Keith D. Baker
CVPR
2012
IEEE
13 years 2 days ago
KNN matting
We are interested in a general alpha matting approach for the simultaneous extraction of multiple image layers; each layer may have disjoint segments for material matting not limi...
Qifeng Chen, Dingzeyu Li, Chi-Keung Tang
ICIP
2009
IEEE
15 years 10 months ago
Monotone Operator Splitting For Optimization Problems In Sparse Recovery
This work focuses on several optimization problems involved in recovery of sparse solutions of linear inverse problems. Such problems appear in many fields including image and sig...