Use cleanup commands to correct errors that occur during the scanning process.
Misaligned drawings, dust on the scanning bed, and mistakes with scanning software can all be corrected using the following Cleanup commands:
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Deskew. Rotate an image so that it matches the rotation angle of a vector drawing or another image.
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Despeckle. Remove speckles or stray pixels that can appear in an image when you scan drawings or blueprints that are dirty or wrinkled.
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Bias. Correct distortions in an image aspect ratio. If, for instance, the image is distorted due to paper shrinkage or optical distortions in the scanning process, the Bias tool can correct the aspect ratio by resizing the image in one or two dimensions.
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Invert. Reverse the light and dark shades of an image. You can invert bitonal, color, and grayscale images. Inversion reverses the dark and light areas of an image.
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Mirror. Flip an image along either the horizontal or vertical axis to correct problems that occur when scanning software reverses drawings, or when the back of the drawing is scanned by mistake.
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Touchup. Edit lines at the pixel level, using a square, circular, or diagonal shaped brush tool that you can resize.