1995
DOI: 10.1109/34.368197
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Evaluation of binarization methods for document images

Abstract: This paper presents an evaluation of eleven locally adaptive binarization methods for gray scale images with low contrast, variable background intensity and noise. Niblack's method with the addition of the postprocessing step of Yanowitz and Bruckstein's method added performed the best, and was also one of the fastest binarization methods.

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Cited by 341 publications
(142 citation statements)
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“…Choice of threshold selection method is the central step in the design of any adaptive thresholding algorithm, and many approaches have been put forward as suitable for use in the binarisation of line drawing images [1][2][3][4][5][6][7][8][9]. Most work from a grey level histogram of some image area, assuming the grey level distribution to comprise two normally distributed components; one centred on plain (white) paper and the other on inked (black) regions.…”
Section: Threshold Selection For Line Drawing Interpretationmentioning
confidence: 99%
See 1 more Smart Citation
“…Choice of threshold selection method is the central step in the design of any adaptive thresholding algorithm, and many approaches have been put forward as suitable for use in the binarisation of line drawing images [1][2][3][4][5][6][7][8][9]. Most work from a grey level histogram of some image area, assuming the grey level distribution to comprise two normally distributed components; one centred on plain (white) paper and the other on inked (black) regions.…”
Section: Threshold Selection For Line Drawing Interpretationmentioning
confidence: 99%
“…Many thresholding schemes have been proposed [1][2][3][4][5][6], Static, adaptive thresholding methods are the most commonly used in line drawing interpretation. A threshold value is defined as a function of (only) the grey level distribution of a local image region.…”
Section: Introductionmentioning
confidence: 99%
“…7.1.3), a fixed threshold may lead to gross errors in some situations. Adaptive binarization [27] would most likely improve results, but at a heavier computational cost. This is, in fact, one of the principal advantage of using color markers: robust detection of carefully chosen color patterns is achievable with very few operations per pixel under any illuminant.…”
Section: Processing Timementioning
confidence: 99%
“…It is obvious that differ-ent values of the PS lead to different binarization results, which means that there is not a set of proper PS values for all types of document images. This has already proved by many evaluations that have been made so far [24][25][26][27]. Therefore, for every technique, to achieve the best binarization result the proper PS values must initially be estimated.…”
Section: Introductionmentioning
confidence: 99%