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ISBI
2006
IEEE
14 years 4 months ago
A comparative study of popular interpolation and integration methods for use in computed tomography
We compare various popular methods available for projection and backprojection in CT. Assuming linear rays and a simple density integration along them, we consider both line- and ...
Fang Xu, Klaus Mueller
JEI
2010
127views more  JEI 2010»
13 years 9 months ago
Modified edge-directed interpolation for images
A modification of the new edge-directed interpolation method is presented. The modification eliminates the prediction error accumulation problem with adopting a modified traini...
Wing-Shan Tam, Chi-Wah Kok, Wan-Chi Siu
ICIP
2003
IEEE
15 years 10 days ago
Halftone visual cryptography
This paper considers the problem of encoding a secret binary image SI into n shares of meaningful halftone images within the scheme of visual cryptography (VC). Secret pixels enco...
Z. Zhou, Gonzalo R. Arce, Giovanni Di Crescenzo
ICIP
2007
IEEE
14 years 2 months ago
A Novel Facial Feature Point Localization Method on 3D Faces
Although 2D-based face recognition methods have made great progress in the past decades, there are also some unsolved problems such as PIE. Recently, more and more researchers hav...
Peng Guan, Yaoliang Yu, Liming Zhang
CVPR
2012
IEEE
12 years 1 months ago
Detecting texts of arbitrary orientations in natural images
With the increasing popularity of practical vision systems and smart phones, text detection in natural scenes becomes a critical yet challenging task. Most existing methods have f...
Cong Yao, Xiang Bai, Wenyu Liu, Yi Ma, Zhuowen Tu