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() First off, I use Photoshop and a crappy HP scanner that links from Photoshop to "import" a scanned image.
I load the scanner glass with chips and keep them at least a 1/4" apart. (Ideally, all the chips are the same diameter, but not a requirement.)
Once scanned, the image appears in a Photoshop window. (I typically don't bother Saving this image, I just use it to copy and paste from.)
Using the circle marquee tool I place the cursor at about 10:30, just outside of the chip I am going to copy and shift, click-drag towards the 4:30 position. This action will draw a circle about the chip and while it will be slightly off-center, I eye-ball when the circle size is about the size of the chip, and then un-click.
In Photoshop I can move that circle by dragging it or arrow key pushing, and I center the chip in the circle.
Next, using key-strokes only, I copy (ctrl+c), create New (ctrl+n), hit ENTER (with or without still holding down the ctrl key, as it makes no difference) to use the default name (untitled), paste (ctrl+v)and then Save (ctrl+s) type in a file name and click Save. I do get a window asking what quality .jpg to save (I select 12, the highest, which is also a default) and click OK.
With the first chip you will tell it where to save these files and doing that once will keep them all together.
I then ctrl-w to close that window and reply "No" to, do I want to save the changes. This in response to the Photoshop version of the image.
Now I am back to the original scan of all the chips and the chip I just Saved still has the circle marquee around it. I then drag the circle over the next chip and repeat the copy, New, name, paste and Save, and don't Save the old version.
I then repeat this until all the chips are copied and saved.
Two thing can interupt this action.
The first is a chip that is not oriented correctly. In Photoshop this is easy to correct just after the paste operation (just before Save). Under the Edit menu select Rotate and using that tool, rotate the image to the desired position, "apply" the change and then return to the sequence (Save).
The second interuption is when a chip is larger or smaller than the marquee circle. It is best to do all the chips that are the same size first and then create a new circle, as described in the beginning.
NOTE: Instead of eye-balling the circle size, you can calibrate the Photoshop ruler to millimeters (mm). Then, you can set the circle marquee tool to a fixed size, say 39mm x 39mm. This automatically gives you a circle marquee that is 39mm in diameter. Use 40mm for BandG, etc.
BTW-I didn't say it was simple, just rythmically quick! 
Jim
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