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May 2008 Image of the Month...
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Particle Analysis


Step1: Prepare Your Image
Step2: Select Grain Analysis Function
Step3: Set The Threshold
Step4: Search and Count Grains
Step5: Report Grain Analysis Results


Step 4: Search and Count Particles


Count Button: After a proper threshold level is defined, Click the "Count" button. All objects are defined, highlighted and counted.





Segment Option: The method for selecting segments may be modified. This is done by clicking the “Option” button in the search group. The “Segment Option” dialog box then appears.





Highlight: An object can be highlighted in the following three different styles:




Separated by: Particles can be separated by one of two methods:

• 4-Connected: only objects that share a corner pixel will be counted separately.
• 8-Connected: objects that are connected in any way will be counted as one.




Boundary (in pixel): Adjusts the boundary of the image to determine the inclusion of partial objects.



Smooth: Provides three different filtering kernels for pre-processing the image.

Sort By: Label of the objects can be sorted in area, perimeter, length, or width. The number is ordered from large to small. The default is a searching order.

Sorting by area. The object will be labeled from largest area to smallest area.

After finishing all changes, click Apply button, the new segment option will affect counted objects.



Show Result: After object counting, Results can by shown by checking this box:




Segment Edit: After counting objects, user is able to edit objects in the image.

Figure 16: Segment Edit Dialog Box



Measurement
: After counting objects, a few parameters will be measured



After counting objects, a few parameters will be measured.




Option: With this option a user is able to choose his own parameters that are displyed in the Report Dialog Box. When an item is selected on the left side, an illustration is presented on the right side.


 
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