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ICIP
2000
IEEE
14 years 10 months ago
Acceleration of Filtering and Enhancement Operations Through Geometric Processing of Gray-Level Images
This paper describes an algorithm to implement image filtering and enhancement operations by processing adaptive triangular meshes that represent gray-level images. Experimental r...
Boris Xavier Vintimilla, Miguel Angel Garcí...
ICIAR
2010
Springer
14 years 1 months ago
Face Detection in Low-Resolution Color Images
In low-resolution images, people at large distance appear very small and we may be interested in detecting the subject’s face for recognition or analysis. However, recent face de...
Jun Zheng, Geovany A. Ramírez, Olac Fuentes
DPHOTO
2010
127views Hardware» more  DPHOTO 2010»
13 years 9 months ago
Visibility of uncorrelated image noise
In this study, we evaluated the effect that pixel size has upon people's preferences for images. We used multispectral images of faces as the scene data and simulated the res...
Jiajing Xu, Reno Bowen, Jing Wang, Joyce E. Farrel...
ICPR
2006
IEEE
14 years 10 months ago
A Method for the Identification of Noisy Regions in Normalized Iris Images
In this paper we propose a new method for the identification of noisy regions in normalized iris images. Starting from a normalized and dimensionless iris image in the polar coord...
Hugo Proença, Luís A. Alexandre
ICDS
2009
IEEE
14 years 3 months ago
Local Contrast Segmentation to Binarize Images
—In this paper, a new binarization algorithm for degraded document images is proposed. The method is based on positive and negative pixel energies using the Laplacian of an image...
Marco Block, Raúl Rojas