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Chapter 6 Average Intensity Tool

Chapter 6 Average Intensity Tool. Synopsis.

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Chapter 6 Average Intensity Tool

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  1. Chapter 6Average Intensity Tool Synopsis This chapter will guide you through the process of setting up the Average Intensity Tool. The images are of a plastic mold press. The Average Intensity tool calculates the average grey level intensity of pixels in one or more ROIs, calculates whether that intensity is within a user-specified tolerance, then passes or fails each ROI, and the tool, based on that calculation. A Setup is available for this tool, which simplifies basic configuration.

  2. 1-Launch VPM 2-Connect to the emulator 3-Load the Average Intensity images into the File Camera. The image file names are, Image 01, Flow Complete, Image 02, Flow Complete, etc. 4-Click on the orange IMPACT icon.

  3. 1-Click Create a New Vision Program. Notice how it the New Program button turns orange. 2-Click the New Program Button.

  4. 1-Drag and drop Average Intensity Tool 2-Position Circle ROIs as shown here Note: Copy/Pasting

  5. Uniform Tolerance: If Tolerance Type is Use Uniform Tolerance, this tolerance value is applied to the average intensity of each of the ROIs. Use this value when there is one ROI or all ROIs are expected to have the same intensity. Click Train to set this value to the overall average intensity of all the ROIs. The parameters are minus, nominal, and plus. Nominal Intensity List: If the Tolerance Type is Use Nominal Intensity List and +- tolerances, this list of values is used as the Nominal Intensity value for each of the ROIs. The Plus and Minus Tolerance values are applied to each Nominal value in the list to set the allowed average intensity for each ROI. Use this mode when each ROI is expected to have a different intensity, but you want Plus and Minus Tolerances that apply to all ROIs, even as you add them. Click Train to recalculate the values in this list. If this property is linked, training has no effect. Tolerance List: If the Tolerance Type is Use Tolerance List, this list of values, along with the Plus Tolerance and Minus Tolerance values, is used as the Nominal Intensity value for each of the ROIs. Use this mode when you want to set the plus and minus tolerance of each ROI separately. Click Train to recalculate the nominal value of each tolerance in the list. You must adjust the Plus and Minus Tolerance manually. If this property is linked, training has no effect.

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