Levenhuk C800 NG Digital Camera, USB 2.0 - Manual (Page 90)

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better than square configurations.
2. If the Tophat , Well , or Gradient filter is selected, the options will relate to kernel
size and shape. The following options will be presented:
3 x 3 Check to use the 3x3 square kernel configurations.
5 x 5 Check to use the 5x5 square kernel configurations.
7 x 7 Check to use the 7x7 square kernel configurations.
3. If Watershed , Thinning , or Distance filter is checked, the options will relate to the
threshold. The following option will be presented:
Threshold
Enter a percentage value from 1-100 that specifies the intensity value to
binarize the image. For example, a Threshold of 50% on a
Gray Scale
image would set all values ≤127 to 0 (black) and all values ≥128 to the
maximum value for that image class (white).
12.1.4 Kernel
The Kernel page allows edit the kernel files for the morphological and convolution
filters.
Note : The HiPass , LowPass , Laplacian and Unsharp kernel files are used by the
HiPass , LowPass , Laplacian , and Sharpen options listed in the Image Enhancement
Filters page dialog window (i.e. there is no difference between selecting one of these
kernel files and selecting its Option button in the Filter window -- the two methods
ultimately do the same thing). Because these kernel files are essential to the