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Gray image thresholding using the Triangle Method 1.0

  Date Added: August 19, 2013  |  Visits: 266

Gray image thresholding using the Triangle Method

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The Triangle method is due to Zack (Zack GW, Rogers WE, Latt SA (1977), "Automatic measurement of sister chromatid exchange frequency", J. Histochem. Cytochem. 25 (7): 741d-deOCt53. A line is constructed between the maximum of the histogram at b on the gray level axis and the lowest (or highest depending on context) value a on the gray level axis where the histogram is significantly larger than 0. The distance L normal to the line and between the line and the histogram is computed for all values from a to b. The level where the distance between the histogram and the line is maximal is the threshold value (level). This technique is particularly effective when the object pixels produce a weak peak in the histogram.

Requirements: No special requirements
Platforms: Matlab
Keyword: Computed Context Distance Larger Maximal Normal Significantly Values
Users rating: 0/10

License: Shareware Size: 10 KB
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