%Aigaion2 BibTeX export from Idiap Publications
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@TECHREPORT{chen-rr0216,
         author = {Chen, Datong and Odobez, Jean-Marc},
       projects = {Idiap},
          month = {4},
          title = {{A} {N}ew {M}ethod of {C}ontrast Normalization for {V}erification of Extracted {V}ideo {T}ext Having {C}omplex {B}ackgrounds},
           type = {Idiap-RR},
         number = {Idiap-RR-16-2002},
           year = {2002},
    institution = {IDIAP},
       abstract = {One of the difficulties of extracting text contained in images or videos comes from the variation of the grayscale values of the text and backgrounds. In this paper we propose a new method to normalize the contrast between text characters and backgrounds so that a trained machine learning tool can verify characters of grayscale values that have never been seen before. Experiments show that the proposed method used in training either a multilayer perceptrons or a support vector machine yields better text verification comparing with other typical contrast measures.},
            pdf = {https://publications.idiap.ch/attachments/reports/2002/rr02-16.pdf},
     postscript = {ftp://ftp.idiap.ch/pub/reports/2002/rr02-16.ps.gz},
ipdmembership={vision},
}