Image processing

1

Kuwait College of Science and Technology Name: ID:

Image Processing

Lecturer: Dr. Gamal Fahmy

Homework

Q1: Calculate the Transformation matrix for the following equation

𝑋(𝑘1,𝑘2) = ∑ ∑ 𝑥(𝑛1,𝑛2)cos(𝜋𝑛1𝑘1)𝑒 𝐾2𝑛2

𝑁2−1

𝑛2=0

𝑁1−1

𝑛1=0

𝑁1 = 𝑁2 = 3

Q2

1. What is meant by top down approach and Bottom up approach in Edge Detection?

2. What is meant by edge in an image, a Laplacian of Gaussian gradient, and a single gradient operator?

3. What is the difference between Canny and Marr in edge detection?

4. What is meant by image segmentation, whether edge detection is an important step?

5. What is meant by Image enhancement, what are problems with it ?

6. What is Image Restoration?