Image Processing Reference
In-Depth Information
Fig 10.5 an onionskin rotoscope image.
Fig 10.6 an onionskin comparison in Dragon Stop Motion for eyeline.
You can also take one image into Photoshop then open the second image. You
have to do a rough cut out of the key element in the second image with the
lasso tool and drag that element onto the first image. This gives you a quick
and general idea about how the images might match in lighting and position.
Clean, Clean, Clean
To composite images together requires several steps beyond match
lighting and eyeline considerations. You may choose to use visible rigs
that need to be cleaned out or removed for final viewing. You may have
some unwanted dirt or shadows that somehow crept into your shot. The
solution absolutely essential for this kind of cleaning is called the clean
plate . The clean plate is a shot (often two or three) of the background set or
image without the figure or moving object in the foreground of the frame.
This clean plate needs to maintain the same lighting and background
elements that you use during the animation. It is often shot just before the
animation of your figure or object begins. For safety, it is smart to shoot a
second clean plate just after you finish the animation (after removing the
foreground image or figure).
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