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ICIP
1999
IEEE
14 years 7 months ago
Efficient Approximation of Gray-Scale Images Through Bounded Error Triangular Meshes
This paper presents an iterative algorithm for approximating gray-scale images with adaptive triangular meshes ensuring a given tolerance. At each iteration, the algorithm applies...
Angel Domingo Sappa, Boris Xavier Vintimilla, Migu...
MVA
1996
177views Computer Vision» more  MVA 1996»
13 years 6 months ago
An Adaptive Threshold Method for Gray Scale Character Images
Gray-scale document images are binarized in order to perform optical character recognition (OCR). To perform this binarization, a variety of techniques have been proposed for perf...
Ming Yu, Shinji Ozawa
CVIU
2007
146views more  CVIU 2007»
13 years 5 months ago
Face detection in gray scale images using locally linear embeddings
The problem of face detection remains challenging because faces are non-rigid objects that have a high degree of variability with respect to head rotation, illumination, facial ex...
Samuel Kadoury, Martin D. Levine
CIARP
2005
Springer
13 years 11 months ago
Automatic Window Design for Gray-Scale Image Processing Based on Entropy Minimization
David Correa Martins Jr., Roberto M. Cesar, Junior...