Suppose you have a large collection of photos from your trips, including photos of yourself alone, photos of yourself with other people, photos of other people without you, as well as photos without people. These images look more sharp or more detailed if we are able to perceive all the objects and their shapes correctly in it. For example. An image with a face, looks clear when we are able to identify eyes, ears, nose, lips, forehead e.t.c very clear. This shape of an object is due to its edges. So in blurring, we simple reduce the edge content and makes the transition form one color to the other very smooth. a) In your own words, briefly explain a blurred image and why it is sometimes useful to blur an image. EV(6) b) Distinguish between blurring and zooming in your own words and provide in each case practical examples. EV(5) c) Identify and describe the three common types of filters that are used to perform blurring by illustrating with appropriate examples.
Suppose you have a large collection of photos from your trips, including photos
of yourself alone, photos of yourself with other people, photos of other people
without you, as well as photos without people. These images look more sharp
or more detailed if we are able to perceive all the objects and their shapes
correctly in it.
For example. An image with a face, looks clear when we are able to identify
eyes, ears, nose, lips, forehead e.t.c very clear. This shape of an object is due to
its edges. So in blurring, we simple reduce the edge content and makes the
transition form one color to the other very smooth.
a) In your own words, briefly explain a blurred image and why it is sometimes
useful to blur an image.
EV(6)
b) Distinguish between blurring and zooming in your own words and provide
in each case practical examples.
EV(5)
c) Identify and describe the three common types of filters that are used to
perform blurring by illustrating with appropriate examples.
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