NDLI: A New Method for Writer Identification Based on Histogram Symbolic Representation

Content Provider	IEEE Xplore Digital Library
Author	Alaei, A. Roy, P.P.
Copyright Year	2014
Description	Author affiliation: Adv. Software Group, Samsung India, Noida, India (Roy, P.P.) \|\| Lab. d'Inf. (LI EA6300), Univ. Francois-Rabelais de Tours, Tours, France (Alaei, A.)
Abstract	In this paper, a new model-based writer identification scheme using histogram symbolic representation approach is proposed. In the proposed scheme, initially, some pre-processing techniques are employed to enhance image quality and extract text-lines from each handwritten document image. For each extracted text-line, a set of 92 features are computed based on analysis of connected component, enclosed region, lower and upper contours, fractal code, and Curve let. Considering the extracted feature vectors, a histogram is created for each feature of every writer as a histogram-valued symbolic data. This process results in a handwriting style model for each individual that consists of a set of histograms. To evaluate the proposed scheme, two different handwritten datasets written in two different scripts (Kannada as an Indian based script and English) were used. The first dataset contains 228 pages written in Kannada by 57 people. The other one is the dataset used in SigWiComp2013 composed of 330 document pages written in English by 55 individuals. The same criteria used in the SigWiComp2013 were followed in our evaluation strategy. Concerning the Kannada dataset, an F-measure of 92.79% was obtained when 114 documents were used in learning stage and the rest (114) were used for testing. For the SigWiComp2013 dataset an F-measure of 26.67% was obtained that is fairly comparable to the best result reported in the literature.
Starting Page	216
Ending Page	221
File Size	328009
Page Count	6
File Format	PDF
ISBN	9781479943357
ISSN	21676445
e-ISBN	9781479943340
DOI	10.1109/ICFHR.2014.44
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-09-01
Publisher Place	Greece
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Feature extraction Histograms Frequency modulation Computational modeling Data models Training Hidden Markov models English and Kannada Handwritten Documents Writer Identification/Verification Histogram Symbolic Representation Similarity Measure
Content Type	Text
Resource Type	Article

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