Apply the Canny edge-detection method to an image.

Number of Coefficients—An integer value greater than 0 that specifies the number of coefficients in the Canny filter.

Sigma—A floating point value greater than 0.0 that specifies the standard deviation used in the Canny operator.

Create New Image—If this option is selected, the processed data is used to create a new image. Enter a suffix for the new image variable name in the text field provided.

Overwrite Image—If this option is selected, the current image is overwritten by the processed data.

Variable Suffix—If the Create New Image option is selected, enter a suffix for the new image variable name. This suffix is added to the original variable name.

OK—Filter the image and exit the dialog box.

Apply—Filter the image, but do not exit the dialog box.

Cancel—Dismiss the dialog box without taking any action.

Help—Display online Help on the dialog box.