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welcome|Use IDL's image processing features
showing|to help you to find inconsistencies
feature|or similarities within your image data.
zoom1|Click on the image to relocate
zoom2|the zoom window.
blank| 
width1|Select the filter width
width2|with the slider.
byte1|Select the minimum and maximum 
byte2|byte range with the sliders.
smooth1|Select the smoothing width; width is
smooth2|inversely proportional to resolution.
dlterd0|A grayscale threshold mask is shown.
dlterd1|Click "Break Mask" to
dlterd2|erode and dilate the mask.
dlterd3|Click "Fuse Mask" to
dlterd4|dilate and erode the mask.
dlterd5|Click "Neighborhood Mins." to calculate
dlterd6|(using erode and dilate) neighborhood 
dlterd7|minimums for the image where masked.
dlterd8|The resulting image has bridges and
dlterd9|other details removed.
conv1|Click on the grid squares to define
conv2|the kernel.  Then click "Convolve".