Muhammad Sohaib
18-Arid-570
BSCS-7B
Assignment 4 of DIP
Q.1 What is the difference between Image Restoration and Image
Enhancement? Describe any three restoration filters.
Answer:
Image Enhancement Image Restoration
1
.
As the name suggests, in Image
Enhancement, the original image is processed
so that the resultant image is more suitable
than the original for specific applications.
The aim of image restoration is to bring
the image towards what it would have
been if it had been recorded without
degradation.
2
.
Image enhancement makes a picture look
better, without regard to how it really truly
should look.
Image restoration tries to fix the image
to get back to the real, true image.
3
.
Image enhancement means improving the
image to show some hidden details.
Image restoration means improving the
image to match the original image.
4
.
Image enhancement is a purely subjective
processing technique.
Image restoration is an objective
process.
5
.
Image enhancement is a cosmetic procedure
i.e. it does not add any extra information to the
original image. It merely improves the
subjective quality of the images by work in with
Restoration tries to reconstruct by using
a priori knowledge of the degradation
phenomena. Restoration hence deals
with getting an optimal estimate of the
