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FFT Maker » History » Version 1

Amber Herold, 04/23/2010 09:56 AM

1 1 Amber Herold
h1. FFT Maker
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The FFT Maker calculates power spectrums of input images.
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Required bindings:
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<highlights>
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<simplelist>
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<member> Acquisition - (AcquisitionImagePublishEvent) -> FFT Maker</member>
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</simplelist>
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</highlights>
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There are two FFT Maker nodes in MSI, Exposure FFT and Focus FFT. Both of these FFT Maker
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nodes need to be bound with events from different acquisition nodes. Exposure FFT (with a hint
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from its name) is bound to the Exposure (Acquisition) node. Likewise, Focus FFT is bound to
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the Focus node (that has Acquisition node behavior embedded within it).
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h2.  Settings
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*  Calculate FFT and save to the database = when enabled, the input image will have
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its FFT calculated and existence stored in the database
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*  Mask radius "1" % of image width = this percentage refers to how much of the
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center of the FFT (with the high intesity base frequency) will be masked out in order
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to make the rest of the FFT features more visable on the computer screen.
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*  Images in Database: Find images in this session with label "" = *Currently this
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feature is not used.