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ICPR
2008
IEEE
14 years 2 months ago
Illuminant dependence of PCA, NMF and NTF in spectral color imaging
In this study Principal Component Analysis (PCA), Non-negative Matrix Factorization (NMF) and Nonnegative Tensor Factorization (NTF) are applied as dimension reduction methods in ...
Alexey Andriyashin, Jussi Parkkinen, Timo Jaaskela...
SMI
2003
IEEE
131views Image Analysis» more  SMI 2003»
14 years 1 months ago
Watermarking 2D Vector Maps in the Mesh-Spectral Domain
This paper proposes a digital watermarking algorithm for 2D vector digital maps. The watermark is a robust, informed-detection watermark to be used to prevent such abuses as an in...
Ryutarou Ohbuchi, Hiroo Ueda, Shuh Endoh
TMI
2008
68views more  TMI 2008»
13 years 7 months ago
Myocardial Perfusion Characterization From Contrast Angiography Spectral Distribution
Despite recovering a normal coronary flow after acute myocardial infarction, percutaneous coronary intervention does not guarantee a proper perfusion (irrigation) of the infarcted ...
Debora Gil, Oriol Rodriguez-Leor, Petia Radeva, Jo...
ICDAR
2003
IEEE
14 years 1 months ago
On-line Signature Verification Using Local Shape Analysis
This paper presents a novel approach to the on-line signature verification using local shape Analysis. First, segment the input signature into several segments using HMM (Hidden M...
Mingfu Zou, Jianjun Tong, Changping Liu, Zhenglian...
DAS
2008
Springer
13 years 9 months ago
A Comparison of Clustering Methods for Word Image Indexing
In this paper we explore the effectiveness of three clustering methods used to perform word image indexing. The three methods are: the Self-Organazing Map (SOM), the Growing Hiera...
Simone Marinai, Emanuele Marino, Giovanni Soda