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» Image Denoising with Directional Bases
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ICIP
2009
IEEE
15 years 10 months ago
Adaptive Directional Wavelet Transform Using Pre-directional Filtering
This paper proposes a computationally efficient approach of adaptive directional wavelet transform (AD WT). The AD WT is based on lifting implementation of WT, and it is able to t...
ICB
2009
Springer
137views Biometrics» more  ICB 2009»
15 years 4 months ago
Palmprint Recognition Based on Regional Rank Correlation of Directional Features
Abstract. Automatic personal identification based on palmprints has been considered as a promising technology in biometrics family during recent years. In pursuit of accurate palmp...
Yufei Han, Zhenan Sun, Tieniu Tan, Ying Hao
ICPR
2004
IEEE
15 years 11 months ago
Extracting a Gaze Region with the History of View Directions
We propose a method for extracting a gaze region from an observed image by analyzing human's view directions and image information. The view direction of the user, which is r...
Norimichi Ukita, Akihito Sakakihara, Masatsugu Kid...
ICASSP
2011
IEEE
14 years 1 months ago
Directional Color Filter Array interpolation based on multiscale color gradients
Single sensor digital cameras capture one color value for every pixel location. The remaining two color channel values need to be estimated to obtain a complete color image. This ...
Ibrahim Pekkucuksen, Yucel Altunbasak
PG
2002
IEEE
15 years 2 months ago
Estimation of Multiple Directional Light Sources for Synthesis of Mixed Reality Images
We present a new method for the detection and estimation of multiple directional illuminants, using a single image of any object with known geometry and Lambertian reflectance. W...
Yang Wang, Dimitris Samaras