1995
DOI: 10.1109/34.476511
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Goal-directed evaluation of binarization methods

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Cited by 530 publications
(212 citation statements)
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“…Some are based on the local variance of the image intensity. More specifically, the threshold for each pixel is calculated according to the local mean and variance in a window of a pre-determined size [25]- [27]. The formulation is simple and straight forward; however, the results are easily corrupted by the presence of spurious local intensity maxima.…”
Section: Introductionmentioning
confidence: 99%
“…Some are based on the local variance of the image intensity. More specifically, the threshold for each pixel is calculated according to the local mean and variance in a window of a pre-determined size [25]- [27]. The formulation is simple and straight forward; however, the results are easily corrupted by the presence of spurious local intensity maxima.…”
Section: Introductionmentioning
confidence: 99%
“…To conserve local details and handle local illumination level one requires small window size but if choose too small window size then it will not cover object and eliminate noise in the gray image. Window size of 15 9 15 and k = -0.2 was recommended by Trier and Jain [5].…”
Section: Niblack's Methodsmentioning
confidence: 99%
“…Trier Jain [5] evaluated goal directed binarization Methods and shown that all well known existing algorithms work good on constant illuminated document images but fails in case of varying illumination. In general, global thresholding performs well for documents where there is a clear separation between foreground and background.…”
Section: Introductionmentioning
confidence: 99%
“…Furthermore, Trier's evaluation tests [24] identify Niblack's technique, with a post-processing step, as the best. Kamel and Zhao [18] use six evaluation aspects (subjective evaluation, memory, speed, SW restriction, number of parameters of each technique) to evaluate and analyse seven character/graphics extraction based binarisation techniques.…”
Section: Introductionmentioning
confidence: 99%