Question

What is the purpose of thresholding in scanning?

a.

To convert a grayscale image into a monochrome image

b.

To adjust the brightness and contrast of the scanned image

c.

To interpolate additional pixels for higher resolution

d.

To distinguish between different colors on a monochrome scanner

Posted under Human Computer Interaction

Answer: (a).To convert a grayscale image into a monochrome image Explanation:Thresholding is used to convert a grayscale image into a binary image by turning pixels darker than a specific value black and the rest white.

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