EURASIP Journal on Advances in Signal Processing

Table 1 Comparison of F-measure for seven methods

From: An innovative document image binarization approach driven by the non-local p-Laplacian

FM %	2009	2010	2011	2012	Average
OTSU [3]	78.48	83.69	74.71	74.35	77.81
Niblack [5]	52.70	46.16	49.88	47.15	48.97
Bernsen [4]	32.45	22.11	30.16	21.63	26.59
Sauvola et al. [6]	80.66	63.37	79.27	68.42	72.93
Singh et al. [8]	69.81	74.92	70.36	66.92	70.50
Lu et al. [9]	82.75	83.48	76.55	80.98	80.94
Proposed	88.34	88.80	88.63	88.89	88.66

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