quiz 1 (img)

Question 1

What is the result of applying the opening operation to an image?

Accepted Answer

Erosion followed by dilation

Question 2

Which of the following is NOT a fundamental morphological operation?

Accepted Answer

Filtering

Question 3

What is a structuring element in morphological operations?

Accepted Answer

A small image used as a moving window

Question 4

What is the main effect of the opening operation?

Accepted Answer

Breaks narrow joints and removes salt noise

Question 5

How is erosion defined mathematically?

Accepted Answer

A⊖B={z∣Bz⊆A}A⊖B={z∣Bz​⊆A}

Question 6

What is a structuring element in morphological operations?

Accepted Answer

A small image used as a moving window

Question 7

Which morphological operation "grows" or "thickens" objects in a binary image?

Accepted Answer

Dilation

Question 8

What does the term "fit" refer to in the context of structuring elements?

Accepted Answer

All pixels in the structuring element cover on pixels in the image

Question 9

Which morphological operation "shrinks" or "thins" objects in a binary image?

Accepted Answer

Erosion

Question 10

What does the term "hit" refer to in the context of structuring elements?

Accepted Answer

Any pixel in the structuring element covers any on pixel in the image

Question 11

What is the main purpose of mathematical morphology?

Accepted Answer

Extracting image component useful in representing & describing regionshapes

Question 12

What is the primary purpose of morphological operations in image processing?

Accepted Answer

Shape extraction and description

Question 13

How is dilation defined mathematically?

Accepted Answer

A⊕B={z∣B^z​∩A=∅}

Question 14

What is the effect of dilation on binary images?

Accepted Answer

Objects become larger

Question 15

What happens during the erosion of a binary image?

Accepted Answer

Objects shrink

Questions 15