AutoVISION Quick Start Guide December 2020 5.5. Use Count Tool This tool detects the number of objects based on color or shape information. In this example, verify that two small holes are in the gasket. a. Select the [Count Tool] icon to add this tool to the job. b. Resize the Count Blobs tool ROI around the left gasket. Enable rotation for this tool. c. Change the Blob settings to find the desired objects. Each blob will have a yellow perimeter with a crosshair ( + ) in the center. In the parameter settings on right side of screen: i. Set [Polarity] to [Light on Dark] ii. Adjust [Min and Max blob size] to count the two smaller white circles on each gasket. iii.
Change the max and min range of the [Tolerance] to 2 2 to make sure the tool only passes if it finds the correct number of holes, which is 2 in this case. Additional Information To detect optimal maximum/minimum blob size This tool does not provide you the number of pixels of each blob. You will easily detect the size of each blob by using [Presence/Absence tool] stated in next section. You can also change the Min and Max size to determine empirically the correct value. a b c b