User`s guide

Correcting for Nonuniform Illumination
The image without the estimated background appears in the Video Viewer2
window. The fo llow ing image is show n a t its true size.
The preceding image is too dark. The Constant block provides an offset
value that you used to brighten the image.
The corrected image, which has even lighting, appears in the Video Viewer3
window. The fo llow ing image is show n a t its true size.
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