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MU Series (Windows)
User’s Manual
Process Menu Tools
Filter
There are various opon parameters available, depending on which lter is selected.
If the “Erode,” “Dilate,” “Open,” or “Close” lters are selected, the parameters available will refer to the kernel
size and shape, such as :
2x2 Square - Uses a 2x2 square kernel.
3x1 Row - Uses a 3x1 row kernel conguraon.
3x3 Cross - Uses a 3x3 cross shaped kernel.
5x5 Circle - Uses a 5x5 circle shaped kernel.
7x7 Circle - Uses a 7x7 circle shaped kernel.
11x11 Circle - Uses an 11x11 circular kernel, which is a three-pass lter using a 5x5 circle, another 5x5 circle,
and a 3x3 cross.
The “Passes” parameter sets how many mes the lter will process over the image sequenally.
Note: Circular kernels are eecve on round objects (cells, grains, etc) because their circular conguraon pre-
serves the circular shape of objects beer than square ones when processing.
If the “Tophat,” “Well,” or “Gradient” lters are selected, the parameters will also relate to kernal size and
shape, with the following opons:
3x3 - Uses a 3x3 square kernel
5x5 - Uses a 5x5 square kernel
7x7 - Uses a 757 square kernel
If the “Watershed,” “Thinning,” or “Distance” lters are selected, the parameters will alter the threshold of
each lter. The “Threshold” slider allows the user to enter a percentage value from 1-100 that species the in-
tensity value of image binarizaon. The image is presented in gray value, and the percentage and below num-
ber of gray values will be set to black, whereas the rest will be set to white. 100% would turn everything white,
0% would turn everything black.
Kernel - The nal tab for the “Filters” menu are the kernel les for morphological and convoluon style lters.
This menu allows advanced users to alter the kernels to customize the lter use. Note that this is for advanced
users only--if unsure how any of these work, we recommend leaving this secon alone, as deleng or modify-
ing a core kernel without creang a new kernel will require a reinstallaon to x.
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