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SIGPRO
2010
293views more  SIGPRO 2010»
15 years 2 months ago
Image denoising by bounded block matching and 3D filtering
The block-matching with 3D transform domain collaborative filtering (BM3D) achieves very good performance in image denoising. However, BM3D becomes ineffective when an image is h...
Qian Chen, Dapeng Wu
ICCV
2009
IEEE
15 years 2 months ago
Component analysis approach to estimation of tissue intensity distributions of 3D images
Many segmentation problems in medical imaging rely on accurate modeling and estimation of tissue intensity probability density functions. Gaussian mixture modeling, currently the ...
Arridhana Ciptadi, Cheng Chen, Vitali Zagorodnov
TIFS
2011
252views Education» more  TIFS 2011»
14 years 11 months ago
Quality Assessment of Degraded Iris Images Acquired in the Visible Wavelength
—Data quality assessment is a key issue, in order to broad the applicability of iris biometrics to unconstrained imaging conditions. Previous research efforts sought to use visib...
Hugo Proença
CORR
2011
Springer
203views Education» more  CORR 2011»
14 years 8 months ago
Comparing Haar-Hilbert and Log-Gabor Based Iris Encoders on Bath Iris Image Database
This papers introduces a new family of iris encoders which use 2-dimensional Haar Wavelet Transform for noise attenuation, and Hilbert Transform to encode the iris texture. In orde...
Nicolaie Popescu-Bodorin, Valentina E. Balas
ICDAR
2011
IEEE
14 years 4 months ago
Edge-Based Features for Localization of Artificial Urdu Text in Video Images
—Content-based video indexing and retrieval has become an interesting research area with the tremendous growth in the amount of digital media. In addition to the audio-visual con...
Akhtar Jamil, Imran Siddiqi, Fahim Arif, Ahsen Raz...